CONGRESS ASSET MANAGEMENT CO

$14.0B reported 13(f) long value · latest quarter 2026-06-30 · CIK 897378 · EDGAR ↗

sum of disclosed values for 2026-03-31; 0 positions carry a NULL value and are excluded from the sum, surfaced here rather than folded away: $14.0B
ALL retained default holdings for this (filer, period), including NULL-value ones: 417
positions with no comparable holding in the prior quarter (kind new), 2026-03-31: 60
positions absent from this quarter's filing after being held last quarter (kind exit), 2026-03-31 — inferred from absence, not a sale record: 24

A quarter-end snapshot. Filed up to 45 days later, so this page is not current holdings and never a complete portfolio. what a 13F is — and is not ↓ methodology §13F ↗

Position changes — into 2026-03-31

by shares · Δ value · filing link · how changes are classified §

Position changes into quarter 2026-03-31
position matched across quarters by exact reported CUSIP over a registry gap — producer-reconciled identity, never a name match `identity_reconciled_by_cusip`	the reported share count is unchanged across the pair; this build's data classified the change from its reported value; builds from 2026-09-10 on read it as NO CHANGE `classified_by_value` · EXIT = absent this quarter: disposed, delisted, under confidential treatment, or reported instead by an affiliated manager — the filing does not say which · change not classifiable: value undisclosed on one side of the quarter pair, or neither shares nor value can classify it · NO CHANGE = the share count is identical in both quarters; the value moved only with price, so the row is mark-to-market and never an ADD or a TRIM (NEW / ADD / TRIM / EXIT / NO CHANGE) · NO PRIOR = this filer has no comparable holdings list for the previous quarter on record — a first filing under this registration, or a quarter reported inside an affiliated manager's filing — so the position is not called a new stake	derived by Public Filings from the published aggregate; NULL means the source did not disclose a usable value — never zero	reported unit changed across the pair (SH↔PRN); the share delta is withheld rather than fabricated `shares_unit_mismatch`	Prev value	Curr value	Prev shares	Curr shares
position key `pos:15642` · issuer key `iss:1334` COM	TRIM	−$35.4M	−27,044	$473M	$438M	2,537,072	2,510,028
position key `pos:13215` · issuer key `iss:144` COM	TRIM	−$32.8M	−12,072	$447M	$414M	1,643,557	1,631,485
position key `pos:15142` · issuer key `iss:89` COM	TRIM	−$30.6M	−11,960	$334M	$303M	1,066,514	1,054,554
position key `pos:11825` · issuer key `iss:1225` COM	TRIM	−$74.8M	−4,999	$311M	$236M	643,106	638,107
position key `pos:12827` · issuer key `iss:323` COM	ADD	−$18.6M	+26,381	$253M	$235M	731,350	757,731
position key `pos:12030` · issuer key `iss:525` COM	TRIM	+$27.7M	−1,451	$188M	$215M	217,475	216,024
position key `pos:11577` · issuer key `iss:167` COM	TRIM	−$17.6M	−25,449	$230M	$213M	1,758,303	1,732,854
position key `pos:17743` · issuer key `iss:1718` COM	ADD	+$58.8M	+27,898	$144M	$202M	469,200	497,098
position key `pos:17899` · issuer key `iss:1745` COM	TRIM	+$4.4M	−19,000	$188M	$192M	1,222,988	1,203,988
position key `pos:14175` · issuer key `iss:95` COM	TRIM	−$21.3M	−4,182	$209M	$188M	907,302	903,120
position key `pos:14429` · issuer key `iss:923` COM	TRIM	+$18.3M	−9,613	$165M	$184M	806,017	796,404
position key `pos:17839` · issuer key `iss:2093` COM	TRIM	+$18.3M	−4,402	$162M	$180M	508,130	503,728
position key `pos:11390` · issuer key `iss:720` COM	TRIM	−$27.8M	−1,611	$202M	$174M	305,525	303,914
position key `pos:17386` · issuer key `iss:806` COM	ADD	+$48.3M	+7,163	$125M	$174M	191,662	198,825
position key `pos:12848` · issuer key `iss:1921` COM	TRIM	−$29.2M	−5,615	$199M	$170M	567,708	562,093
position key `pos:11938` · issuer key `iss:834` COM	TRIM	−$65.1M	−66,900	$225M	$160M	256,315	189,415
position key `pos:17976` · issuer key `iss:547` COM	TRIM	+$6.4M	−42,050	$149M	$155M	269,885	227,835
position key `pos:11177` · issuer key `iss:1956` COM	TRIM	+$8.5M	−3,130	$140M	$148M	753,330	750,200
position key `pos:15730` · issuer key `iss:1746` COM	ADD	+$32.5M	+180,876	$114M	$147M	546,930	727,806
position key `pos:16805` · issuer key `iss:997` COM	TRIM	−$34.1M	−2,121	$178M	$144M	314,531	312,410
position key `pos:10128` · issuer key `iss:1413` COM	TRIM	−$21.3M	−27,185	$164M	$143M	186,361	159,176
position key `pos:10427` · issuer key `iss:1241` COM	ADD	+$65.1M	+81,820	$75.9M	$141M	568,853	650,673
position key `pos:11403` · issuer key `iss:1342` COM	TRIM	+$541K	−12,456	$140M	$141M	1,537,113	1,524,657
position key `pos:13590` · issuer key `iss:1189` COM	TRIM	−$9.1M	−1,663	$149M	$140M	239,634	237,971
position key `pos:12883` · issuer key `iss:2178` COM	TRIM	+$14.7M	−35,208	$118M	$133M	1,156,999	1,121,791
position key `pos:15560` · issuer key `iss:1973` COM	TRIM	+$21.5M	−25,097	$111M	$132M	1,844,968	1,819,871
position key `pos:16716` · issuer key `iss:633` COM	TRIM	−$386K	−7,794	$127M	$126M	482,232	474,438
position key `pos:15235` · issuer key `iss:125` COM	ADD	−$7.9M	+4,731	$130M	$122M	962,561	967,292
position key `pos:16738` · issuer key `iss:1252` COM	ADD	+$28.6M	+36,154	$89.2M	$118M	366,408	402,562
position key `pos:12596` · issuer key `iss:1481` COM	ADD	+$15.8M	+2,826	$101M	$117M	815,270	818,096
position key `pos:16557` · issuer key `iss:988` COM	ADD	+$4.8M	+34,817	$112M	$117M	351,196	386,013
position key `pos:17656` · issuer key `iss:1520` COM	TRIM	−$19.8M	−134,637	$130M	$110M	1,410,615	1,275,978
position key `pos:11625` · issuer key `iss:2284` COM	ADD	+$95.3M	+69,686	$13.8M	$109M	12,940	82,626
position key `pos:14802` · issuer key `iss:1329` COM	ADD	+$34.6M	+297,732	$72.8M	$107M	611,978	909,710
position key `pos:11521` · issuer key `iss:914` COM	NEW	+$107M	+352,636	$0	$107M	—	352,636
position key `pos:10870` · issuer key `iss:301` COM	ADD	−$4.8M	+95,161	$110M	$105M	622,413	717,574
position key `pos:10385` · issuer key `iss:1433` COM	TRIM	−$14.7M	−65,013	$119M	$104M	382,350	317,337
position key `pos:13280` · issuer key `iss:2278` COM	TRIM	+$8.4M	−51,567	$95.7M	$104M	291,275	239,708
position key `pos:14095` · issuer key `iss:307` COM	TRIM	−$55.1M	−20,473	$157M	$102M	1,649,958	1,629,485
position key `pos:14883` · issuer key `iss:1840` COM	ADD	+$3.4M	+82,316	$97.9M	$101M	441,122	523,438
position key `pos:12588` · issuer key `iss:1120` COM	ADD	+$10.0M	+24,574	$90.8M	$101M	480,063	504,637
position key `pos:12696` · issuer key `iss:1845` COM	TRIM	−$16.9M	−39,731	$117M	$100M	1,436,270	1,396,539
position key `pos:12958` · issuer key `iss:660` COM	ADD	+$19.3M	+22,159	$80.6M	$99.9M	376,272	398,431
position key `pos:15125` · issuer key `iss:1798` COM	TRIM	−$22.6M	−8,690	$121M	$98.4M	208,978	200,288
position key `pos:15863` · issuer key `iss:1123` COM	ADD	+$80.9M	+90,285	$14.8M	$95.8M	13,817	104,102
position key `pos:15131` · issuer key `iss:87` COM	ADD	−$12.5M	+16,500	$107M	$94.5M	269,239	285,739
position key `pos:12597` · issuer key `iss:1545` COM	ADD	−$28.3M	+51,561	$122M	$94.0M	746,306	797,867
position key `pos:18191` · issuer key `iss:1654` COM	TRIM	−$35.2M	−10,326	$129M	$93.9M	802,316	791,990
position key `pos:16368` · issuer key `iss:953` COM	ADD	−$10.5M	+12,778	$104M	$93.7M	153,908	166,686
position key `pos:13325` · issuer key `iss:1511` COM	TRIM	+$18.4M	−7,492	$75.0M	$93.4M	177,684	170,192
position key `pos:16504` · issuer key `iss:1251` COM	TRIM	−$18.2M	−4,398	$111M	$93.1M	217,729	213,331
position key `pos:14865` · issuer key `iss:1248` COM	TRIM	+$8.9M	−7,343	$82.2M	$91.1M	90,686	83,343
position key `pos:13982` · issuer key `iss:1108` COM	ADD	+$31.7M	+102,198	$59.4M	$91.1M	732,331	834,529
position key `pos:13232` · issuer key `iss:316` COM	ADD	+$7.4M	+54,707	$80.5M	$87.9M	561,025	615,732
position key `pos:13969` · issuer key `iss:408` COM	TRIM	+$14.7M	−11,011	$71.7M	$86.4M	129,701	118,690
position key `pos:12938` · issuer key `iss:120` COM	ADD	+$11.4M	+99,180	$74.0M	$85.5M	996,786	1,095,966
position key `pos:13683` · issuer key `iss:1648` COM	TRIM	−$44.5M	−31,606	$130M	$85.3M	847,477	815,871
position key `pos:12109` · issuer key `iss:1392` COM	ADD	−$13.2M	+20,426	$97.6M	$84.4M	583,926	604,352
position key `pos:15621` · issuer key `iss:1063` COM	ADD	+$24.7M	+95,640	$58.4M	$83.1M	529,902	625,542
position key `pos:13979` · issuer key `iss:874` COM	TRIM	−$4.9M	−21,588	$87.6M	$82.8M	1,302,180	1,280,592
position key `pos:11590` · issuer key `iss:645` COM	TRIM	−$15.5M	−48,050	$96.8M	$81.4M	158,258	110,208
position key `pos:10996` · issuer key `iss:2155` COM	NEW	+$81.0M	+1,274,820	$0	$81.0M	—	1,274,820
position key `pos:15656` · issuer key `iss:378` COM	ADD	+$3.9M	+196,744	$76.6M	$80.6M	1,447,545	1,644,289
position key `pos:14225` · issuer key `iss:1758` COM	TRIM	+$2.2M	−41,771	$78.0M	$80.2M	610,337	568,566
position key `pos:10159` · issuer key `iss:185` COM	ADD	+$10.8M	+276,925	$69.4M	$80.1M	1,964,949	2,241,874
position key `pos:14287` · issuer key `iss:1357` COM	TRIM	−$16.5M	−11,130	$96.4M	$79.9M	879,320	868,190
position key `sid:sec:prov:4cf136238d6ee53bd6ee06dceda6d3a8` · issuer key `cusip6:913915` COM	ADD	+$33.5M	+458,805	$44.3M	$77.7M	1,694,173	2,152,978
position key `pos:16464` · issuer key `iss:1672` COM	ADD	−$2.8M	+91,339	$80.2M	$77.4M	949,549	1,040,888
position key `pos:17974` · issuer key `iss:488` COM	TRIM	−$736K	−27,146	$76.8M	$76.1M	82,338	55,192
position key `pos:14400` · issuer key `iss:223` COM	ADD	+$17.5M	+67,067	$58.1M	$75.6M	378,746	445,813
position key `pos:12032` · issuer key `iss:33` COM	ADD	+$8.7M	+442,683	$66.5M	$75.2M	1,391,125	1,833,808
position key `pos:15737` · issuer key `iss:1247` COM	ADD	+$31.6M	+201,203	$42.3M	$73.9M	100,694	301,897
position key `sid:sec:prov:fe4ef53ae5a2c78a2fe7262106790372` · issuer key `cusip6:81725T` COM	ADD	+$4.4M	+114,387	$69.0M	$73.4M	734,573	848,960
position key `pos:17263` · issuer key `iss:1795` COM	ADD	+$14.7M	+245,671	$57.3M	$72.0M	1,922,410	2,168,081
position key `pos:10271` · issuer key `iss:395` COM	ADD	−$3.2M	+152,393	$75.1M	$71.9M	1,958,144	2,110,537
position key `pos:14209` · issuer key `iss:50` COM	ADD	−$3.2M	+82,334	$75.0M	$71.8M	310,174	392,508
position key `pos:10973` · issuer key `iss:1034` COM	ADD	−$3.0M	+64,239	$74.3M	$71.3M	493,139	557,378
position key `pos:11386` · issuer key `iss:1217` COM	ADD	−$4.6M	+171,610	$75.6M	$70.9M	857,639	1,029,249
position key `pos:12445` · issuer key `iss:1405` COM	ADD	+$6.5M	+122,521	$64.4M	$70.9M	362,193	484,714
position key `pos:15882` · issuer key `iss:726` COM	ADD	+$9.6M	+90,804	$59.9M	$69.5M	551,556	642,360
position key `pos:15683` · issuer key `iss:1526` COM	TRIM	−$14.3M	−42,925	$82.6M	$68.3M	514,314	471,389
position key `pos:13350` · issuer key `iss:531` COM	TRIM	−$11.1M	−31,882	$78.2M	$67.1M	424,003	392,121
position key `pos:10381` · issuer key `iss:49` COM	TRIM	+$19.4M	−19,511	$47.5M	$66.9M	226,882	207,371
position key `pos:16156` · issuer key `iss:617` COM	TRIM	−$46.5M	−807,248	$113M	$66.9M	2,616,102	1,808,854
position key `pos:11044` · issuer key `iss:361` COM	ADD	+$755K	+30,898	$65.0M	$65.8M	221,450	252,348
position key `pos:13075` · issuer key `iss:985` COM	ADD	+$58.5M	+867,934	$6.7M	$65.2M	103,595	971,529
position key `pos:15107` · issuer key `iss:2241` COM	TRIM	−$3.5M	−72,887	$65.7M	$62.3M	920,208	847,321
position key `pos:13811` · issuer key `iss:494` COM	ADD	−$20.8M	+125,137	$80.7M	$59.9M	643,509	768,646
position key `pos:14837` · issuer key `iss:896` COM	TRIM	−$14.6M	−12,997	$72.3M	$57.7M	223,297	210,300
position key `sid:sec:prov:9ad1f37e45baa2c0731276ae62c8a2e0` · issuer key `cusip6:45245E` COM	NEW	+$57.4M	+1,510,375	$0	$57.4M	—	1,510,375
position key `pos:11089` · issuer key `iss:1048` COM	ADD	+$32.4M	+376,298	$24.2M	$56.6M	330,898	707,196
position key `pos:10499` · issuer key `iss:469` COM	TRIM	−$11.3M	−70,216	$67.8M	$56.5M	343,972	273,756
position key `pos:15343` · issuer key `iss:532` COM	ADD	−$1.6M	+153,969	$57.3M	$55.6M	1,216,829	1,370,798
position key `pos:13183` · issuer key `iss:2002` COM	ADD	−$5.8M	+108,276	$57.1M	$51.3M	1,293,164	1,401,440
position key `pos:15311` · issuer key `iss:724` COM	TRIM	+$2.6M	−103,056	$47.2M	$49.8M	1,176,851	1,073,795
position key `pos:14756` · issuer key `iss:1904` COM	TRIM	−$11.5M	−157,660	$59.9M	$48.5M	1,664,578	1,506,918
position key `pos:11066` · issuer key `iss:15` COM	TRIM	−$1.8M	−116,584	$49.7M	$47.9M	1,298,095	1,181,511
position key `pos:12290` · issuer key `iss:2277` COM	NEW	+$47.5M	+1,012,858	$0	$47.5M	—	1,012,858
position key `pos:10663` · issuer key `iss:1575` COM	TRIM	+$6.1M	−10,446	$41.3M	$47.4M	229,412	218,966
position key `pos:11528` · issuer key `iss:1012` COM	ADD	+$10.8M	+33,677	$36.3M	$47.0M	76,657	110,334

Flags: no row carries a flag.

1–20 of the 100 changes on this page

Mark-to-market only (no share change) · 18

Positions whose share count is identical in both quarters; the value changed with price, not with a decision.

Positions held with no share change into quarter 2026-03-31
position matched across quarters by exact reported CUSIP over a registry gap — producer-reconciled identity, never a name match `identity_reconciled_by_cusip`	the reported share count is unchanged across the pair; this build's data classified the change from its reported value; builds from 2026-09-10 on read it as NO CHANGE `classified_by_value` · EXIT = absent this quarter: disposed, delisted, under confidential treatment, or reported instead by an affiliated manager — the filing does not say which · change not classifiable: value undisclosed on one side of the quarter pair, or neither shares nor value can classify it · NO CHANGE = the share count is identical in both quarters; the value moved only with price, so the row is mark-to-market and never an ADD or a TRIM (NEW / ADD / TRIM / EXIT / NO CHANGE) · NO PRIOR = this filer has no comparable holdings list for the previous quarter on record — a first filing under this registration, or a quarter reported inside an affiliated manager's filing — so the position is not called a new stake	derived by Public Filings from the published aggregate; NULL means the source did not disclose a usable value — never zero	Prev value	Curr value	Prev shares	Curr shares
position key `pos:16286` · issuer key `iss:1862` COM	NO CHANGE	−$288K	$2.9M	$2.6M	3,568	3,568
position key `pos:16193` · issuer key `iss:1909` COM	NO CHANGE	+$691K	$1.3M	$2.0M	7,800	7,800
position key `sid:sec:prov:127f0021d8310eeeecdea8298c5f12e5` · issuer key `cusip6:922908` COM	NO CHANGE	−$56.0K	$1.2M	$1.1M	1,893	1,893
position key `pos:18104` · issuer key `iss:233` COM	NO CHANGE	+$19.4K	$886K	$905K	7,632	7,632
position key `pos:15702` · issuer key `iss:1012` COM	NO CHANGE	+$4.9K	$652K	$657K	2,650	2,650
position key `pos:12900` · issuer key `iss:808` COM	NO CHANGE	+$188K	$435K	$623K	3,190	3,190
position key `pos:11205` · issuer key `iss:255` COM	NO CHANGE	−$29.3K	$628K	$599K	1,250	1,250
position key `pos:10357` · issuer key `iss:1786` COM	NO CHANGE	−$122K	$704K	$582K	1,565	1,565
position key `pos:10892` · issuer key `cusip6:81369Y` COM	NO CHANGE	−$43.8K	$570K	$526K	3,960	3,960
position key `pos:18051` · issuer key `iss:447` COM	NO CHANGE	−$117K	$558K	$440K	4,902	4,902
position key `pos:10508` · issuer key `iss:1012` COM	NO CHANGE	−$28.5K	$456K	$428K	11,914	11,914
position key `pos:15708` · issuer key `iss:1187` COM	NO CHANGE	−$25.2K	$387K	$362K	2,087	2,087
position key `sid:sec:prov:dc3adf0fd5cb09f56271b3a21f4b7d60` · issuer key `cusip6:88362T` COM	NO CHANGE	+$80.8K	$227K	$307K	6,100	6,100
position key `pos:16172` · issuer key `iss:1141` COM	NO CHANGE	−$5.9K	$292K	$286K	1,210	1,210
position key `pos:13363` · issuer key `iss:1393` COM	NO CHANGE	−$819	$267K	$266K	1,280	1,280
position key `pos:12366` · issuer key `iss:22` COM	NO CHANGE	−$47.6K	$263K	$216K	2,102	2,102
position key `pos:17128` · issuer key `iss:385` COM	NO CHANGE	+$8.0K	$202K	$210K	2,045	2,045
position key `cusip:687033100` · issuer key `cusip6:687033` COM	NO CHANGE	−$1.0K	$6.8K	$5.7K	21,675	21,675

Flags: no row carries a flag.

Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt.

Truncated by Public Filings. Changes compare every position with a security identifier, new and exited included; holdings without one are counted, not compared. methodology §13F ↗

Reported positions — 2026-03-31

1–100 of 399 issuers · $14.0B disclosed value over 417 rows · 0 undisclosed-value rows

View

This build carries one quarter for this manager: 2026-03-31. Notable managers carry four published quarters, others two.

This list carries reported issuer names and security identities, without a dated ticker mapping. Symbols are not inferred from names.

a position composed from a base filing plus NEW-HOLDINGS amendments keeps every source row here; the composition's latest filed date is the one shown served from this build's published holdings (derived from the filer's own reported rows); every row resolves to its filing

Share of total reported value, calculated only when the full position list has disclosed values. This is 13F long value, not total assets.

value undisclosed on the filing: retained and counted, excluded from sums, never shown as $0

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

NVIDIA Corp. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$438M

2,510,028

3.1%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Apple Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$414M

1,631,485

3.0%

—

Alphabet Inc.

2 positions · 2 reported rows

Rows CONGRESS ASSET MANAGEMENT CO reported for Alphabet Inc., as it reported them
Alphabet Inc. · COM CUSIP — src ↗	$303M	1,054,554
Alphabet Inc. · COM CUSIP — src ↗	$21.1M	73,391

ticker not yet mapped

$324M

1,127,945

2.3%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Microsoft Corp. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$236M

638,107

1.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Broadcom Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$235M

757,731

1.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Costco Wholesale Corporation · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$215M

216,024

1.5%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Arista Networks Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$213M

1,732,854

1.5%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Sterling Infrastructure Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$202M

497,098

1.5%

—

The TJX Companies Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$192M

1,203,988

1.4%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Amazon.com, Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$188M

903,120

1.3%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Howmet Aerospace Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$184M

796,404

1.3%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Eaton Corporation PLC · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$180M

503,728

1.3%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Meta Platforms Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$174M

303,914

1.2%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

GE Vernova Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$174M

198,825

1.2%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Visa Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$170M

562,093

1.2%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Goldman Sachs Group, Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$160M

189,415

1.1%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Curtiss-Wright Corp. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$155M

227,835

1.1%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Welltower Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$148M

750,200

1.1%

—

TKO Group Holdings Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$147M

727,806

1.1%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Intuitive Surgical Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$144M

312,410

1.0%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Parker-Hannifin Corp. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$143M

159,176

1.0%

—

Modine Manufacturing Co. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$141M

650,673

1.0%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

O'Reilly Automotive Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$141M

1,524,657

1.0%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Martin Marietta Materials Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$140M

237,971

1.0%

—

NVent Electric PLC · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$133M

1,121,791

1.0%

—

Williams Companies Inc. (The) · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$132M

1,819,871

0.9%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Ecolab Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$126M

474,438

0.9%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Amphenol Corporation · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$122M

967,292

0.9%

—

Moog Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$118M

402,562

0.8%

—

Primoris Services Corp. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$117M

818,096

0.8%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

InterDigital, Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$117M

386,013

0.8%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Rambus Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$110M

1,275,978

0.8%

—

ASML Holding N.V. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$109M

82,626

0.8%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Novanta Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$107M

909,710

0.8%

—

Hilton Worldwide Holdings Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$107M

352,636

0.8%

—

Boot Barn Holdings Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$105M

717,574

0.8%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Penumbra Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$104M

317,337

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Nova Ltd · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$104M

239,708

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Boston Scientific Corporation · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$102M

1,629,485

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

UFP Technologies Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$101M

523,438

0.7%

—

Ligand Pharmaceuticals Incorporated · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$101M

504,637

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Uber Technologies Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$100M

1,396,539

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Enpro Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$99.9M

398,431

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Thermo Fisher Scientific Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$98.4M

200,288

0.7%

—

iShares Trust RUS 1000 GRW ETF

10 positions · 10 reported rows

Rows CONGRESS ASSET MANAGEMENT CO reported for iShares Trust RUS 1000 GRW ETF, as it reported them
iShares Trust RUS 1000 GRW ETF · COM CUSIP — src ↗	$47.0M	110,334
iShares Trust RUS MD CP GR ETF · COM CUSIP — src ↗	$39.9M	311,168
iShares Trust RUS 2000 GRW ETF · COM CUSIP — src ↗	$2.9M	9,191
iShares Trust MSCI EAFE ETF · COM CUSIP — src ↗	$2.5M	26,075
iShares Trust S&P MC 400GR ETF · COM CUSIP — src ↗	$2.0M	19,643
iShares Trust CORE S&P SCP ETF · COM CUSIP — src ↗	$1.5M	12,158
iShares Trust CORE S&P500 ETF · COM CUSIP — src ↗	$801K	1,226
iShares Trust RUSSELL 2000 ETF · COM CUSIP — src ↗	$657K	2,650
iShares Trust CHINA LG-CAP ETF · COM CUSIP — src ↗	$428K	11,914
iShares Trust S&P SML 600 GWT · COM CUSIP — src ↗	$264K	1,827

ticker not yet mapped

$98.0M

506,186

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Eli Lilly & Co. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$95.8M

104,102

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Alnylam Pharmaceuticals Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$94.5M

285,739

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Repligen Corporation · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$94.0M

797,867

0.7%

—

Shopify Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$93.9M

791,990

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

IDEXX Laboratories Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$93.7M

166,686

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Quanta Services, Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$93.4M

170,192

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Moodys Corp. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$93.1M

213,331

0.7%

—

Monolithic Power Systems Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$91.1M

83,343

0.7%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Lemaitre Vascular Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$91.1M

834,529

0.7%

—

Brinker International, Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$87.9M

615,732

0.6%

—

Casey'S General Stores Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$86.4M

118,690

0.6%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Ameris Bancorp · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$85.5M

1,095,966

0.6%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Servicenow Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$85.3M

815,871

0.6%

—

PJT Partners Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$84.4M

604,352

0.6%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Kirby Corp · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$83.1M

625,542

0.6%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Halozyme Therapeutics Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$82.8M

1,280,592

0.6%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Emcor Group Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$81.4M

110,208

0.6%

—

LivaNova PLC · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$81.0M

1,274,820

0.6%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Calix Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$80.6M

1,644,289

0.6%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Tapestry Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$80.2M

568,566

0.6%

—

Atlantic Union Bankshares Corp · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$80.1M

2,241,874

0.6%

—

Ollies Bargain Outlet Holdings Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$79.9M

868,190

0.6%

—

Universal Technical Institute, Inc. · COM CUSIP 913915104
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$77.7M

2,152,978

0.6%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Champion Homes Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$77.4M

1,040,888

0.6%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Comfort Systems USA Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$76.1M

55,192

0.5%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Balchem Corp · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$75.6M

445,813

0.5%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

ACI Worldwide Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$75.2M

1,833,808

0.5%

—

MongoDB Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$73.9M

301,897

0.5%

—

Sensient Technologies Corp · COM CUSIP 81725T100
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$73.4M

848,960

0.5%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

TG Therapeutics Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$72.0M

2,168,081

0.5%

—

Cargurus Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$71.9M

2,110,537

0.5%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

AeroVironment, Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$71.8M

392,508

0.5%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

JBT Marel Corp. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$71.3M

557,378

0.5%

—

Merit Medical Systems Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$70.9M

1,029,249

0.5%

—

Palantir Technologies Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$70.9M

484,714

0.5%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Federal Signal Corp. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$69.5M

642,360

0.5%

—

Raymond James Financial Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$68.3M

471,389

0.5%

—

Crane Co. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$67.1M

392,121

0.5%

—

Advanced Energy Industries, Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$66.9M

207,371

0.5%

—

Dynatrace Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$66.9M

1,808,854

0.5%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

CSW Industrials Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$65.8M

252,348

0.5%

—

Interactive Brokers Group Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$65.2M

971,529

0.5%

—

Viking Holdings Ltd. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$62.3M

847,321

0.4%

—

Commvault Systems Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$59.9M

768,646

0.4%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Heico Corp · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$57.7M

210,300

0.4%

—

IMAX Corporation · COM CUSIP 45245E109
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$57.4M

1,510,375

0.4%

—

Karman Holdings Inc. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$56.6M

707,196

0.4%

—

Cloudflare Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$56.5M

273,756

0.4%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Crane NXT Co · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$55.6M

1,370,798

0.4%

—

Yeti Holdings Inc · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$51.3M

1,401,440

0.4%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Fastenal Co. · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$49.8M

1,073,795

0.4%

—

Vanguard Index Funds SML CP GRW ETF

4 positions · 4 reported rows

Rows CONGRESS ASSET MANAGEMENT CO reported for Vanguard Index Funds SML CP GRW ETF, as it reported them
Vanguard Index Funds SML CP GRW ETF · COM CUSIP 922908595 src ↗	$45.9M	151,879
Vanguard Index Funds GROWTH ETF · COM CUSIP — src ↗	$2.0M	4,523
Vanguard Index Funds S&P 500 ETF SHS · COM CUSIP 922908363 src ↗	$1.1M	1,893
Vanguard Index Funds MCAP GR IDXVIP · COM CUSIP 922908538 src ↗	$459K	1,783

ticker not yet mapped

$49.5M

160,078

0.4%

verified against the SEC company list on 2026-09-10 — a reviewed mapping row for this filed issuer name and class (never inferred)

Vericel Corporation · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

$48.5M

1,506,918

0.3%

—

API Group Corp · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$47.9M

1,181,511

0.3%

—

JFrog Ltd · COM CUSIP —
2026-03-31 filed 2026-04-14 +14d

src ↗

ticker not yet mapped

$47.5M

1,012,858

0.3%

1–20 of the 100 issuers on this page

Change kind and share change are in Position changes above; Congress overlap is planned.

One line per issuer, largest first; a row with no issuer key stands on its own line. Open a line for its rows as this filer reported them. The list holds every row this filer reported for the quarter. Issuer totals on the holders pages count each manager's own report once; that never removes a row here. how positions are grouped ↗

Book shape

2026-03-31 · concentration · vs tracked median · tick = median

Top-25 concentration: 35.6%below median 80.0%
Concentration index: 89 bpsbelow median 446 bps
Positions with value: 417 / 417median book 97.5 positions

Concentration uses reported 13F long value, not total assets. The index is withheld when any position lacks a value. Medians are over the 8,748 tracked filers with a 2026-03-31 book; the index median over the 8,662 with a complete book.

holdings whose <value> did not parse — retained and counted, never zero-filled: 0 · share of the period's disclosed value held in the top-N positions; denominator is reported 13F value, not total assets: 35.6% · integer Herfindahl–Hirschman index in basis points over disclosed position values: 89 · QoQ moves: 441

Filing history

AVAILABLE QUARTERS

Available filing periods
Period	Source
2026-03-31	EDGAR ↗
2026-06-30	EDGAR ↗

PLANNED sector rotation · Congress overlap · signals for this filer

Complete source filings on SEC EDGAR

The complete filing on EDGAR.

The position list above is served from the published Public Filings build, each position as this filer reported it; where the page cannot embed every reported row, the list says how many it leaves out. This block is provenance, not a substitute: the filing itself is the record, and it is one click away. Public Filings decided on 2026-08-01 to serve this list from its published build; filings newer than this build are on EDGAR.

Open CONGRESS ASSET MANAGEMENT CO's 13F filings on SEC EDGAR ↗

Notes on this data

Reported positions

Quarter-end holdings as filed

Explore the full published position list and its source filing. This record excludes the manager’s cash, shorts and non-13(f) assets.

Share changes

Compare consecutive quarters

Position changes retain the producer’s classification and comparability flags. Share counts and reported values describe different changes.

Coverage

A snapshot, not current holdings

Use the quarter selector to inspect available periods. Unknown values stay unknown and each table states its coverage.

A 13F is a quarterly, long-only snapshot filed up to 45 days late — not current holdings. what a 13F covers ↗

13F reports cover LONG positions in Section 13(f) securities (US exchange-traded equities plus reportable options, warrants, certain convertibles) held by managers with at least $100M in such securities — so managers below that threshold are absent entirely. No short positions, no cash, no non-13(f) assets — not a full portfolio, and not a census of institutional ownership.

Positions are quarter-end snapshots filed up to 45 days late — not current holdings. A position may have been changed or closed before you ever see it, and is older still by however long ago that quarter ended.

Values are the manager's stated market value at quarter-end in era-dependent units (whole dollars for form versions effective 2023-01-03 onward, thousands before), normalized here to whole dollars with unit_basis carried on every record.

Affiliated managers may report the same position (otherManager), so one position can appear under more than one filer.

Positions under confidential treatment may be omitted until a later amendment discloses them.

These are disclosures, not investment advice (ARCHITECTURE.md §5.2 / M2-CONTRACT §5).