DRIEHAUS CAPITAL MANAGEMENT LLC

$13.6B reported 13(f) long value · latest quarter 2026-03-31 · CIK 938206 · 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: $13.6B
ALL retained default holdings for this (filer, period), including NULL-value ones: 356
positions with no comparable holding in the prior quarter (kind new), 2026-03-31: 88
positions absent from this quarter's filing after being held last quarter (kind exit), 2026-03-31 — inferred from absence, not a sale record: 137

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	Flags
position key `pos:17467` · issuer key `iss:1751` ADR	TRIM	−$230M	−898,674	$657M	$427M	2,163,564	1,264,890
position key `pos:11142` · issuer key `iss:1475` COM	ADD	+$30.8M	+16,164	$275M	$306M	933,061	949,225
position key `pos:12517` · issuer key `iss:1997` COM	TRIM	+$57.8M	−47,038	$203M	$261M	4,538,691	4,491,653
position key `pos:14981` · issuer key `iss:535` COM	ADD	−$65.0M	+8,182	$297M	$232M	6,387,740	6,395,922
position key `pos:15214` · issuer key `iss:1462` COM	TRIM	+$53.5M	−592,927	$168M	$221M	8,511,620	7,918,693
position key `pos:17169` · issuer key `iss:2104` COM	ADD	+$94.2M	+150,103	$110M	$204M	240,978	391,081
position key `pos:13239` · issuer key `iss:142` COM	TRIM	−$3.2M	−262,904	$165M	$162M	2,183,704	1,920,800
position key `pos:17670` · issuer key `iss:1145` COM	TRIM	+$35.2M	−112,053	$126M	$161M	341,048	228,995
position key `pos:17976` · issuer key `iss:547` COM	TRIM	+$27.1M	−3,944	$127M	$154M	229,703	225,759
position key `pos:15653` · issuer key `iss:2079` COM	TRIM	+$17.4M	−21,314	$135M	$153M	472,044	450,730
position key `pos:15350` · issuer key `iss:2111` COM	TRIM	+$4.1M	−121,004	$138M	$142M	700,525	579,521
position key `pos:11808` · issuer key `iss:635` COM	ADD	+$37.1M	+286,749	$104M	$141M	4,191,193	4,477,942
position key `pos:17626` · issuer key `iss:860` COM	TRIM	−$78.1M	−618,911	$219M	$141M	2,143,193	1,524,282
position key `pos:13625` · issuer key `iss:45` COM	TRIM	+$46.3M	−91,635	$94.4M	$141M	2,882,420	2,790,785
position key `pos:16557` · issuer key `iss:988` COM	ADD	+$6.7M	+42,553	$119M	$126M	375,174	417,727
position key `pos:10925` · issuer key `iss:1309` COM	ADD	+$55.4M	+237,813	$69.7M	$125M	799,738	1,037,551
position key `pos:15744` · issuer key `iss:402` COM	TRIM	−$2.6M	−87,839	$127M	$124M	403,296	315,457
position key `pos:15686` · issuer key `iss:478` COM	ADD	+$40.3M	+68,284	$82.7M	$123M	447,945	516,229
position key `pos:18254` · issuer key `iss:289` COM	ADD	+$70.3M	+334,320	$44.8M	$115M	515,481	849,801
position key `pos:15474` · issuer key `iss:1878` COM	TRIM	+$6.1M	−777,827	$106M	$113M	9,112,072	8,334,245
position key `pos:16675` · issuer key `iss:563` COM‡r	TRIM	+$24.2M	−625,313	$87.5M	$112M	6,537,202	5,911,889	cusip-reconciled
position key `pos:14412` · issuer key `iss:949` ADR	ADD	−$10.8M	+193,408	$121M	$110M	4,063,452	4,256,860
position key `pos:11527` · issuer key `iss:381` COM	TRIM	−$29.3M	−510,038	$139M	$110M	1,522,638	1,012,600
position key `pos:10427` · issuer key `iss:1241` COM	ADD	+$43.1M	+14,342	$64.1M	$107M	480,392	494,734
position key `sid:sec:prov:c07b19289bd1953ef889bf232426771d` · issuer key `cusip6:81734D` COM	TRIM	−$28.5M	−413,898	$134M	$106M	4,809,470	4,395,572
position key `pos:15764` · issuer key `iss:2177` COM	TRIM	−$24.3M	−417,775	$129M	$105M	7,706,057	7,288,282
position key `pos:11929` · issuer key `iss:1316` COM	ADD	+$73.6M	+1,040,150	$27.5M	$101M	732,547	1,772,697
position key `pos:10153` · issuer key `iss:1923` ADR	ADD	+$59.2M	+527,576	$35.2M	$94.5M	724,010	1,251,586
position key `pos:17712` · issuer key `iss:1630` COM	TRIM	+$8.4M	−32,644	$86.0M	$94.4M	1,952,877	1,920,233
position key `pos:10637` · issuer key `iss:1883` COM	TRIM	+$4.0M	−11,091	$89.9M	$93.9M	520,237	509,146
position key `sid:sec:prov:ff305e5d71d778fecd58cf4c7769a673` · issuer key `cusip6:83418M` COM	ADD	+$35.6M	+400,453	$56.4M	$92.0M	1,227,721	1,628,174
position key `pos:17052` · issuer key `iss:1612` COM	ADD	+$42.8M	+111,478	$47.8M	$90.6M	146,485	257,963
position key `pos:16788` · issuer key `iss:1280` COM	TRIM	−$3.2M	−135,037	$93.1M	$89.9M	3,606,811	3,471,774
position key `pos:14355` · issuer key `iss:957` COM	ADD	+$10.1M	+393,927	$79.6M	$89.7M	3,705,974	4,099,901
position key `pos:15889` · issuer key `iss:2004` COM	NEW	+$89.3M	+1,831,286	$0	$89.3M	—	1,831,286
position key `pos:17335` · issuer key `iss:758` ADR	ADD	+$21.2M	+130,405	$68.0M	$89.2M	672,848	803,253
position key `pos:18186` · issuer key `iss:509` COM	ADD	+$13.0M	+100,870	$75.3M	$88.3M	693,594	794,464
position key `pos:10523` · issuer key `iss:1782` COM	ADD	+$20.1M	+198,805	$67.4M	$87.5M	5,864,195	6,063,000
position key `pos:12598` · issuer key `iss:1082` COM	TRIM	+$3.7M	−25,655	$83.2M	$86.9M	1,069,238	1,043,583
position key `pos:14584` · issuer key `iss:311` COM	TRIM	−$43.4M	−534,301	$129M	$85.2M	1,680,972	1,146,671
position key `pos:12212` · issuer key `iss:1668` COM	TRIM	−$67.1M	−184,908	$146M	$78.7M	412,873	227,965
position key `pos:11089` · issuer key `iss:1048` COM	TRIM	−$20.9M	−377,816	$99.2M	$78.2M	1,355,169	977,353
position key `sid:sec:prov:862b191ccb923fc424f39385b48ce4f8` · issuer key `cusip6:86366E` ADR	TRIM	−$38.2M	−65,088	$114M	$76.0M	1,642,444	1,577,356
position key `pos:13950` · issuer key `iss:1497` COM	TRIM	−$20.0M	−378,242	$96.0M	$76.0M	1,099,170	720,928
position key `pos:12194` · issuer key `iss:1195` COM	NEW	+$75.1M	+1,189,054	$0	$75.1M	—	1,189,054
position key `pos:16514` · issuer key `iss:1163` COM	TRIM	−$7.8M	−145,238	$82.6M	$74.8M	482,051	336,813
position key `pos:15725` · issuer key `iss:172` COM	TRIM	−$42.8M	−579,005	$117M	$74.6M	1,769,340	1,190,335
position key `sid:sec:prov:2c589e410add571ec783f5e19ea71894` · issuer key `cusip6:29415C` COM	ADD	−$89.8M	+598,876	$164M	$73.8M	14,270,294	14,869,170
position key `pos:16728` · issuer key `iss:1926` COM	ADD	+$19.2M	+509,411	$53.8M	$73.0M	1,014,236	1,523,647
position key `pos:18060` · issuer key `iss:2229` COM	TRIM	+$10.2M	−344,802	$61.7M	$71.9M	1,384,997	1,040,195
position key `sid:sec:prov:ee292d1371f730123943a4185bde082b` · issuer key `cusip6:833635` ADR	ADD	+$18.7M	+118,702	$51.5M	$70.1M	747,890	866,592
position key `pos:14193` · issuer key `iss:1722` COM	ADD	+$23.5M	+377,697	$46.0M	$69.5M	483,833	861,530
position key `pos:12269` · issuer key `iss:1848` COM	TRIM	+$5.0M	−6,966	$64.5M	$69.5M	817,581	810,615
position key `pos:17611` · issuer key `iss:1399` COM	TRIM	−$17.1M	−120,416	$86.3M	$69.2M	1,136,188	1,015,772
position key `pos:17743` · issuer key `iss:1718` COM	TRIM	+$8.9M	−26,330	$59.6M	$68.5M	194,539	168,209
position key `pos:13868` · issuer key `iss:410` COM	NEW	+$68.5M	+846,738	$0	$68.5M	—	846,738
position key `pos:11549` · issuer key `iss:429` COM	NEW	+$67.7M	+999,623	$0	$67.7M	—	999,623
position key `pos:17774` · issuer key `iss:1162` COM	ADD	+$17.3M	+9,530	$50.0M	$67.2M	228,655	238,185
position key `pos:10837` · issuer key `iss:1850` COM	ADD	+$54.6M	+608,746	$11.5M	$66.1M	453,630	1,062,376
position key `pos:17216` · issuer key `iss:1366` COM	TRIM	+$10.6M	−28,480	$55.1M	$65.7M	349,014	320,534
position key `pos:10610` · issuer key `iss:1761` COM	TRIM	−$31.0M	−246,302	$96.0M	$65.0M	1,172,427	926,125
position key `pos:17878` · issuer key `iss:126` COM	ADD	+$45.1M	+1,400,966	$18.9M	$64.0M	2,393,212	3,794,178
position key `sid:sec:prov:4cf136238d6ee53bd6ee06dceda6d3a8` · issuer key `cusip6:913915` COM	ADD	+$53.8M	+1,387,525	$9.6M	$63.4M	369,026	1,756,551
position key `pos:13692` · issuer key `iss:1802` COM	ADD	+$55.9M	+610,510	$7.5M	$63.4M	148,026	758,536
position key `sid:sec:prov:9ad1f37e45baa2c0731276ae62c8a2e0` · issuer key `cusip6:45245E` COM	ADD	+$24.9M	+627,859	$37.8M	$62.8M	1,023,852	1,651,711
position key `sid:sec:prov:e2e110d836d8ffc2e5f76e7fa0612596` · issuer key `cusip6:98423F` COM	TRIM	−$56.3M	−473,010	$118M	$61.8M	1,985,865	1,512,855
position key `pos:12393` · issuer key `iss:717` COM	ADD	+$38.4M	+2,130,840	$23.2M	$61.7M	2,043,417	4,174,257
position key `pos:11928` · issuer key `iss:948` COM	TRIM	+$7.1M	−24,197	$54.0M	$61.1M	3,274,437	3,250,240
position key `pos:10574` · issuer key `iss:698` COM	TRIM	+$10.1M	−78,136	$50.8M	$60.9M	593,905	515,769
position key `pos:10251` · issuer key `iss:86` COM	ADD	+$35.9M	+1,436,266	$23.4M	$59.3M	2,659,069	4,095,335
position key `pos:16204` · issuer key `iss:755` COM	TRIM	−$8.8M	−175,008	$67.8M	$59.0M	977,589	802,581
position key `pos:10674` · issuer key `iss:1886` ADR	TRIM	−$17.0M	−2,112,203	$75.3M	$58.4M	5,780,150	3,667,947
position key `pos:14357` · issuer key `iss:1170` COM	TRIM	−$6.9M	−706	$65.0M	$58.1M	111,666	110,960
position key `pos:13756` · issuer key `iss:1220` COM	NEW	+$58.0M	+974,088	$0	$58.0M	—	974,088
position key `pos:17511` · issuer key `iss:963` COM‡r	TRIM	−$14.5M	−120,300	$71.8M	$57.3M	2,000,339	1,880,039	cusip-reconciled
position key `sid:sec:prov:a74e38bfd7e93554eeff15850e62a61f` · issuer key `cusip6:82706C` ADR	ADD	+$27.6M	+190,351	$29.6M	$57.3M	319,624	509,975
position key `pos:10262` · issuer key `iss:2280` COM	NEW	+$57.2M	+326,103	$0	$57.2M	—	326,103
position key `pos:10381` · issuer key `iss:49` COM	NEW	+$57.1M	+177,018	$0	$57.1M	—	177,018
position key `pos:12240` · issuer key `iss:1583` COM	TRIM	−$18.7M	−1,273,000	$75.6M	$56.9M	3,889,159	2,616,159
position key `pos:13186` · issuer key `iss:1273` COM	TRIM	−$86.5M	−341,574	$143M	$56.9M	625,912	284,338
position key `pos:17974` · issuer key `iss:488` COM	ADD	+$18.9M	+623	$37.8M	$56.7M	40,482	41,105
position key `pos:12239` · issuer key `iss:1607` COM	TRIM	−$30.1M	−150,055	$86.0M	$55.9M	429,764	279,709
position key `pos:17752` · issuer key `iss:1831` COM	ADD	+$3.6M	+160,897	$52.2M	$55.8M	481,834	642,731
position key `pos:10662` · issuer key `iss:1699` COM	TRIM	−$14.1M	−162,678	$69.8M	$55.7M	486,393	323,715
position key `pos:15053` · issuer key `iss:1066` COM	NEW	+$55.6M	+964,882	$0	$55.6M	—	964,882
position key `pos:13325` · issuer key `iss:1511` COM	TRIM	+$12.5M	−565	$42.7M	$55.2M	101,138	100,573
position key `pos:15327` · issuer key `iss:1780` COM	TRIM	+$12.0M	−36,289	$42.8M	$54.8M	221,054	184,765
position key `pos:17760` · issuer key `iss:150` COM	ADD	+$35.8M	+124,864	$17.7M	$53.5M	507,473	632,337
position key `pos:15816` · issuer key `iss:1377` COM	TRIM	+$463K	−2,003	$52.3M	$52.8M	473,770	471,767
position key `pos:15808` · issuer key `iss:825` COM	NEW	+$52.5M	+487,912	$0	$52.5M	—	487,912
position key `sid:sec:prov:fa36e00268ee3d6d74f8ff5697fdd99c` · issuer key `cusip6:03969K` COM	TRIM	−$22.0M	−336,416	$74.4M	$52.4M	2,562,445	2,226,029
position key `pos:15735` · issuer key `iss:685` COM	TRIM	+$8.2M	−39,736	$44.0M	$52.3M	225,441	185,705
position key `pos:15356` · issuer key `iss:1020` ADR	TRIM	−$32.8M	−5,635,548	$84.9M	$52.1M	11,857,114	6,221,566
position key `pos:13962` · issuer key `iss:1775` ADR	NEW	+$51.7M	+888,346	$0	$51.7M	—	888,346
position key `pos:13789` · issuer key `iss:1106` COM	ADD	+$22.1M	+228,056	$29.5M	$51.6M	686,510	914,566
position key `sid:sec:prov:56bae275e7c8ff6b3019599a71e87dec` · issuer key `cusip6:M20791` COM	ADD	+$20.4M	+50,838	$29.9M	$50.4M	281,310	332,148
position key `sid:sec:prov:1063ba207c7ce99a467b0ac98b7d527b` · issuer key `cusip6:399909` ADR	TRIM	−$16.9M	−169,624	$66.7M	$49.8M	1,236,833	1,067,209
position key `pos:13067` · issuer key `iss:210` COM	ADD	+$9.1M	+71,852	$40.3M	$49.4M	220,518	292,370
position key `pos:13206` · issuer key `iss:1335` COM	TRIM	+$661K	−2,324	$48.6M	$49.3M	483,504	481,180
position key `pos:11125` · issuer key `iss:1642` COM	TRIM	−$20.3M	−302,849	$68.6M	$48.3M	931,305	628,456

1–20 of the 100 changes on this page

Mark-to-market only (no share change) · 5

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 `sid:sec:prov:1cc50bf992826e0d3df83d0835990c79` · issuer key `cusip6:28658R` COM	NO CHANGE	+$1.7M	$2.4M	$4.1M	600,946	600,946
position key `sid:sec:prov:72475b3732ae8a64b486fe41b469bb0b` · issuer key `cusip6:696077` COM	NO CHANGE	+$340K	$2.6M	$2.9M	166,713	166,713
position key `pos:17855` · issuer key `iss:791` ADR	NO CHANGE	+$278K	$1.8M	$2.1M	51,576	51,576
position key `sid:sec:prov:eb9a0db45ab3ee601219770b83f2d1f8` · issuer key `cusip6:697660` ADR	NO CHANGE	−$212	$1.9M	$1.9M	21,253	21,253
position key `sid:sec:prov:2436d0e4b9db5d946b26deb83a717d5e` · issuer key `cusip6:64135M` COM	NO CHANGE	−$14.4K	$675K	$661K	32,765	32,765

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 355 issuers · $13.6B disclosed value over 356 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

—

TSMC · ADR CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$427M

1,264,890

3.1%

—

Praxis Precision Medicines Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$306M

949,225

2.2%

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

Xenon Pharmaceuticals Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$261M

4,491,653

1.9%

—

Crinetics Pharmaceuticals Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$232M

6,395,922

1.7%

—

Planet Labs PBC · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$221M

7,918,693

1.6%

—

Fabrinet · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$204M

391,081

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)

Apogee Therapeutics Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$162M

1,920,800

1.2%

—

Lumentum Holdings Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$161M

228,995

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)

Curtiss-Wright Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$154M

225,759

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)

Credicorp Ltd · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$153M

450,730

1.1%

—

FTAI Aviation Ltd · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$142M

579,521

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)

Edgewise Therapeutics Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$141M

4,477,942

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)

Guardant Health Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$141M

1,524,282

1.0%

—

Spyre Therapeutics Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$141M

2,790,785

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)

InterDigital Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$126M

417,727

0.9%

—

Nextpower Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$125M

1,037,551

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)

Carpenter Technology Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$124M

315,457

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)

Coherent Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$123M

516,229

0.9%

—

Bloom Energy Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$115M

849,801

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)

Uranium Energy Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$113M

8,334,245

0.8%

—

Definium Therapeutics Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$112M

5,911,889

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)

ICICI Bank Ltd · ADR CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$110M

4,256,860

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)

Cameco Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$110M

1,012,600

0.8%

—

Modine Manufacturing Co · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$107M

494,734

0.8%

—

Septerna Inc · COM CUSIP 81734D104
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$106M

4,395,572

0.8%

—

NU Holdings Ltd/Cayman Islands · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$105M

7,288,282

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)

nLight Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$101M

1,772,697

0.7%

—

Vista Energy SAB de CV · ADR CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$94.5M

1,251,586

0.7%

—

Scholar Rock Holding Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$94.4M

1,920,233

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)

VSE Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$93.9M

509,146

0.7%

—

Solaris Energy Infrastructure · COM CUSIP 83418M103
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$92.0M

1,628,174

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)

Saia Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$90.6M

257,963

0.7%

—

National Vision Holdings Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$89.9M

3,471,774

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)

Immunome Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$89.7M

4,099,901

0.7%

—

Yum China Holdings Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$89.3M

1,831,286

0.7%

—

Fomento Economico Mexicano SAB · ADR CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$89.2M

803,253

0.7%

—

Construction Partners Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$88.3M

794,464

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)

Terawulf Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$87.5M

6,063,000

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)

Kymera Therapeutics Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$86.9M

1,043,583

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)

Bridgebio Pharma Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$85.2M

1,146,671

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)

SiTime Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$78.7M

227,965

0.6%

—

Karman Holdings Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$78.2M

977,353

0.6%

—

Structure Therapeutics Inc · ADR CUSIP 86366E106
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$76.0M

1,577,356

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)

Protagonist Therapeutics Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$76.0M

720,928

0.6%

—

Matador Resources Co · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$75.1M

1,189,054

0.6%

—

MACOM Technology Solutions Hol · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$74.8M

336,813

0.5%

—

Arrowhead Pharmaceuticals Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$74.6M

1,190,335

0.5%

—

Eos Energy Enterprises Inc · COM CUSIP 29415C101
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$73.8M

14,869,170

0.5%

—

Vita Coco Co Inc/The · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$73.0M

1,523,647

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)

TechnipFMC PLC · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$71.9M

1,040,195

0.5%

—

Sociedad Quimica y Minera de C · ADR CUSIP 833635105
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$70.1M

866,592

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)

StoneX Group Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$69.5M

861,530

0.5%

—

UL Solutions Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$69.5M

810,615

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)

PTC Therapeutics Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$69.2M

1,015,772

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)

Sterling Infrastructure Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$68.5M

168,209

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)

Cava Group Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$68.5M

846,738

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)

CG oncology Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$67.7M

999,623

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)

MYR Group Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$67.2M

238,185

0.5%

—

Ultra Clean Holdings Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$66.1M

1,062,376

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)

Onto Innovation Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$65.7M

320,534

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)

Tarsus Pharmaceuticals Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$65.0M

926,125

0.5%

—

Amprius Technologies Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$64.0M

3,794,178

0.5%

—

Universal Technical Institute · COM CUSIP 913915104
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$63.4M

1,756,551

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)

Tidewater Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$63.4M

758,536

0.5%

—

IMAX Corp · COM CUSIP 45245E109
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$62.8M

1,651,711

0.5%

—

Xometry Inc · COM CUSIP 98423F109
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$61.8M

1,512,855

0.5%

—

Figs Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$61.7M

4,174,257

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)

IAMGOLD Corp

1 position · 2 reported rows

Rows DRIEHAUS CAPITAL MANAGEMENT LLC reported for IAMGOLD Corp, as it reported them
IAMGOLD Corp · COM CUSIP — src ↗	$46.8M	2,485,540
IAMGOLD Corp · COM CUSIP — src ↗	$14.4M	764,700

$61.1M

3,250,240

0.4%

—

Everus Construction Group Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$60.9M

515,769

0.4%

—

Almonty Industries Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$59.3M

4,095,335

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)

Flowserve Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$59.0M

802,581

0.4%

—

Vale SA · ADR CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$58.4M

3,667,947

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)

Madrigal Pharmaceuticals Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$58.1M

110,960

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)

Methanex Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$58.0M

974,088

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)

Indivior Pharmaceuticals Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$57.3M

1,880,039

0.4%

—

Silicon Motion Technology Corp · ADR CUSIP 82706C108
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$57.3M

509,975

0.4%

—

Tower Semiconductor Ltd · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$57.2M

326,103

0.4%

—

Advanced Energy Industries Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$57.1M

177,018

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)

Rush Street Interactive Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$56.9M

2,616,159

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)

Natera Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$56.9M

284,338

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)

Comfort Systems USA Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$56.7M

41,105

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)

SPX Technologies Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$55.9M

279,709

0.4%

—

Turning Point Brands Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$55.8M

642,731

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)

Southern Copper Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$55.7M

323,715

0.4%

—

Knight-Swift Transportation Ho · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$55.6M

964,882

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)

Quanta Services Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$55.2M

100,573

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)

Teradyne Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$54.8M

184,765

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)

Applied Optoelectronics Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$53.5M

632,337

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)

Ormat Technologies Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$52.8M

471,767

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)

Glaukos Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$52.5M

487,912

0.4%

—

Arcutis Biotherapeutics Inc · COM CUSIP 03969K108
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$52.4M

2,226,029

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)

ESCO Technologies Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$52.3M

185,705

0.4%

—

Itau Unibanco Holding SA · ADR CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$52.1M

6,221,566

0.4%

—

Tenaris SA · ADR CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$51.7M

888,346

0.4%

—

Legence Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$51.6M

914,566

0.4%

—

Camtek Ltd/Israel · COM CUSIP M20791105
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$50.4M

332,148

0.4%

—

Grupo Financiero Galicia SA · ADR CUSIP 399909100
2026-03-31 filed 2026-05-15 +45d

src ↗

ticker not yet mapped

$49.8M

1,067,209

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)

Axsome Therapeutics Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$49.4M

292,370

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)

Nuvalent Inc · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$49.3M

481,180

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)

Semtech Corp · COM CUSIP —
2026-03-31 filed 2026-05-15 +45d

src ↗

$48.3M

628,456

0.4%

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: 30.3%below median 80.0%
Concentration index: 70 bpsbelow median 446 bps
Positions with value: 356 / 356median 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: 30.3% · integer Herfindahl–Hirschman index in basis points over disclosed position values: 70 · QoQ moves: 492

Filing history

AVAILABLE QUARTERS

Available filing periods
Period	Source
2026-03-31	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 DRIEHAUS CAPITAL MANAGEMENT LLC'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).