Public record / Tickers / PRLB

PRLB — Proto Labs Inc†

Both disclosure regimes on one name: who in Congress filed about PRLB, which institutions reported holding it. Each section keeps its own clock — congressional trades on the 45-day PTR clock, 13F holdings as quarter-end snapshots.

Congress txns
5
all PTR rows naming PRLB
Members · 12m
0
0 buys · 0 sells · by trade date
Latest PTR
11-09
filed 2020-11-09
13F holders
223
top-223 slice · 2026-03-31
Congress = transactions in statutory ranges, 45-day lag · Institutions = quarter-end positions, 45-day lagas of 2026-10-01 13:54 UTCno price data — a disclosure record, not a chart

Greg Gianforte · $100K–$250K

SELL · traded 2020-10-28 → filed 2020-11-09. Ranked over every PRLB row by the provable lower bound, never a point estimate.

No member disclosed PRLB in the trailing 12 months

Counts of disclosures by trade date, not dollars — ranges cannot be netted across members. Flow ranges per member are in the table below.

Every row filed inside the 45-day window

Late disclosure is stated on the row, never editorialised. Both dates and the receipt stay on every row.

Congress · disclosure timeline

TRADE DATES · 24M · ▲ BUY ▼ SELL · HEIGHT = LOG LOWER BOUND

No dated PRLB rows fall inside the trailing 24 months by trade date.

Trade date, not filing date — the lag lives in the table below. 0 rows placed.

PLANNED institutional holder flow by quarter

Congressional disclosures

ALL PTR ROWS NAMING PRLB · SORTED FILED ↓ · STATUTORY RANGES · FILED ≤45D LATEfull congressional view ↗
Latest congressional filings mentioning PRLB
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2020-11-09Greg Gianforte R–MT-ALSELL partial · JT (partial sale, jointly owned)Traded 10-28 +12d$100K–$250K
2019-10-01Greg Gianforte R–MT-ALBUY JT (jointly owned)Traded 09-06 +25d$100K–$250K
2015-06-07Thomas MacArthur R–NJ-3SELL JT (jointly owned)Traded 05-27 +11d$1K–$15K
2015-02-26Tillis, Thomas R —SELL JT (jointly owned)Traded 02-13 +13d$1K–$15K
2014-05-21Lois Frankel D–FL-22SELLTraded 04-25 +26d$1K–$15K
Each row shows the trade date and the filing date; the gap between them is the disclosure lag.all 5 ↗

Members active in PRLB

12M · NET LOWER BOUND · COMMITTEES AS OF TRADE DATE · SNAPSHOT 2026-10-01

No member disclosed PRLB in the trailing 12 months.

Congress ↔ notable managers · PRLB

who in Congress disclosed purchases or sales beside which notable managers added or trimmed

Congress · last 90 days

Buyers
0 — —
Sellers
0 — —

filed 2026-07-03 → 2026-10-01 · totals are statutory ranges

Notable managers · quarter ended 2026-03-31

Adding
1 Bridgewater Associates $438K held
Trimming
1 Gotham Asset Management $626K held

NEW + ADD vs TRIM + EXIT, by shares · $ = reported value now, not the change · PROTO LABS INC

Merged timeline of congressional filings and notable-manager moves on PRLB
DateWhoChangeSize
2026-05-15Bridgewater Associates 13FNEW+7,690 sh
2026-05-15Gotham Asset Management 13FTRIM−197 sh

2 newest rows · every row dates by its filing date: a disclosure's, or the 13F's for the quarter · a 13F row is a quarter-end snapshot, not a trade

Institutional holders · 13F · Quarter ended 2026-03-31 · longs only

Top institutional holders of PRLB for quarter 2026-03-31
#FilerValueSecuritiesFlagsSrc
1BlackRock, Inc.$210M1
2VANGUARD PORTFOLIO MANAGEMENT LLC$87.7M1
3DIMENSIONAL FUND ADVISORS LP$72.5M1
4STATE STREET CORP$62.3M1
5VANGUARD CAPITAL MANAGEMENT LLC$59.3M1
6AMERICAN CAPITAL MANAGEMENT INC$35.8M1
7GEODE CAPITAL MANAGEMENT, LLC$33.1M1
8RENAISSANCE TECHNOLOGIES LLC$29.7M1
9Rubric Capital Management LP$27.7M1
10ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$26.4M1
11FMR LLC$24.1M1
12PRUDENTIAL FINANCIAL INC$22.8M1
13DRIEHAUS CAPITAL MANAGEMENT LLC$21.0M1
14CHARLES SCHWAB INVESTMENT MANAGEMENT INC$20.5M1
15Nuveen, LLC$18.1M1
16S SQUARED TECHNOLOGY, LLC$16.9M1
17MORGAN STANLEY$16.7M1
18NORTHERN TRUST CORP$15.2M1
19D. E. Shaw & Co., Inc.$12.9M1
20NORDEA INVESTMENT MANAGEMENT AB$12.0M1
21JUPITER ASSET MANAGEMENT LTD$11.1M1
22PANAGORA ASSET MANAGEMENT INC$10.0M1
23Hillsdale Investment Management Inc.$9.9M1
24UBS Group AG$9.6M1
25VANGUARD FIDUCIARY TRUST CO$8.8M1
26Qube Research & Technologies Ltd$8.5M1
27Bank of New York Mellon Corp$8.0M1
28PRINCIPAL FINANCIAL GROUP INC$7.6M1
29BANK OF AMERICA CORP /DE/$7.4M1
30Connor, Clark & Lunn Investment Management Ltd.$7.2M1
31RICE HALL JAMES & ASSOCIATES, LLC$6.5M1
32PUBLIC SECTOR PENSION INVESTMENT BOARD$6.0M1
33LAZARD ASSET MANAGEMENT LLC$5.7M1
34FIRST TRUST ADVISORS LP$5.3M1
35Invesco Ltd.$5.1M1
36AMERICAN CENTURY COMPANIES INC$4.5M1
37Trexquant Investment LP$3.9M1
38UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$3.7M1
39Polar Asset Management Partners Inc.$3.4M1
40AMERIPRISE FINANCIAL INC$3.3M1
41Legal & General Group Plc$3.3M1
42JANE STREET GROUP, LLC$3.3M1
43FRANKLIN RESOURCES INC$3.2M1
44AQR CAPITAL MANAGEMENT LLC$3.1M1
45HUSSMAN STRATEGIC ADVISORS, INC.$3.0M1
46Archon Capital Management LLC$2.8M1
47ZACKS INVESTMENT MANAGEMENT$2.7M1
48Swiss National Bank$2.7M1
49Assenagon Asset Management S.A.$2.7M1
50CITADEL ADVISORS LLC$2.5M1
51Squarepoint Ops LLC$2.4M1
52INTECH INVESTMENT MANAGEMENT LLC$2.2M1
53AIMZ Investment Advisors, LLC$2.2M1
54POLEN CAPITAL MANAGEMENT LLC$2.1M1
55Point72 Asset Management, L.P.$1.8M1
56Integrated Quantitative Investments LLC$1.8M1
57FEDERATED HERMES, INC.$1.8M1
58VOYA INVESTMENT MANAGEMENT LLC$1.7M1
59DEUTSCHE BANK AG\$1.7M1
60Bastion Asset Management Inc.$1.6M1
61Quantinno Capital Management LP$1.6M1
62MILLENNIUM MANAGEMENT LLC$1.5M1
63BRIDGEWAY CAPITAL MANAGEMENT, LLC$1.3M1
64GILDER GAGNON HOWE & CO LLC$1.2M1
65TEACHER RETIREMENT SYSTEM OF TEXAS$1.2M1
66Quantbot Technologies LP$1.2M1
67Edgestream Partners, L.P.$1.1M1
68ALLIANCEBERNSTEIN L.P.$1.0M1
69XTX Topco Ltd$905K1
70Tidal Investments LLC$887K1
71HSBC HOLDINGS PLC$867K1
72CITIGROUP INC$867K1
73VANGUARD ASSET MANAGEMENT, Ltd$836K1
74Engineers Gate Manager LP$827K1
75ALPS ADVISORS INC$807K1
76Amundi$803K1
77BAILARD, INC.$797K1
78Haven Private, LLC$782K1
79MetLife Investment Management, LLC$765K1
80KLP KAPITALFORVALTNING AS$764K1
81ROYAL BANK OF CANADA$745K1
82Illinois Municipal Retirement Fund$734K1
83TWO SIGMA INVESTMENTS, LP$696K1
84Janus Henderson Group Ltd.$693K1
85Legato Capital Management LLC$691K1
86SUSQUEHANNA INTERNATIONAL GROUP, LLP$688K1
87Marks Group Wealth Management, Inc$687K1
88Diversified Trust Co$673K1
89WELLS FARGO & COMPANY/MN$668K1
90Creative Planning$656K1
91Round Rock Advisors LLC$640K1
92MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$636K1
93Gotham Asset Management, LLC$626K1
94STATE OF WISCONSIN INVESTMENT BOARD$618K1
95SIMPLEX TRADING, LLC$615K1
96Corient Private Wealth LLC$610K1
97Vanguard Global Advisers, LLC$595K1
98SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC$589K1
99RBF Capital, LLC$570K1
100CANADA PENSION PLAN INVESTMENT BOARD$553K1
101Truvestments Capital LLC$553K1
102MANUFACTURERS LIFE INSURANCE COMPANY, THE$544K1
103Allianz Asset Management GmbH$520K1
104SEI INVESTMENTS CO$503K1
105Argos Wealth Advisors, LLC$466K1
106Zurcher Kantonalbank (Zurich Cantonalbank)$459K1
107NEW YORK STATE COMMON RETIREMENT FUND$450K1
108Bridgewater Associates, LP$438K1
109WINTON GROUP Ltd$431K1
110STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM$431K1
111MERCER GLOBAL ADVISORS INC /ADV$397K1
112INDEPENDENT FINANCIAL GROUP, LLC$394K1
113IEQ CAPITAL, LLC$387K1
114Arizona State Retirement System$371K1
115COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS$334K1
116Universal- Beteiligungs- und Servicegesellschaft mbH$322K1
117OREGON PUBLIC EMPLOYEES RETIREMENT FUND$311K1
118Vanguard Investments Australia, Ltd.$308K1
119QUADRANT CAPITAL GROUP LLC$301K1
120BARCLAYS PLC$300K1
121Cornerstone Investment Partners, LLC$299K1
122FIFTH THIRD BANCORP$292K1
123Man Group plc$292K1
124Mariner, LLC$290K1
125Centiva Capital, LP$289K1
126Leonteq Securities AG$285K1
127Steward Partners Investment Advisory, LLC$285K1
128RAYMOND JAMES FINANCIAL INC$278K1
129Schonfeld Strategic Advisors LLC$273K1
130Quadrature Capital Ltd$263K1
131Cerity Partners LLC$262K1
132Auto-Owners Insurance Co$257K1
133ANGELES WEALTH MANAGEMENT, LLC$256K1
134Dynamic Technology Lab Private Ltd$250K1
135MIRABELLA FINANCIAL SERVICES LLP$245K1
136BANK OF MONTREAL /CAN/$240K1
137LPL Financial LLC$224K1
138PRELUDE CAPITAL MANAGEMENT, LLC$223K1
139Pictet Asset Management Holding SA$215K1
140ProShare Advisors LLC$211K1
141VICTORY CAPITAL MANAGEMENT INC$211K1
142HighTower Advisors, LLC$206K1
143CWM, LLC$199K1
144State of Wyoming$196K1
145Aquatic Capital Management LLC$169K1
146Ameritas Investment Partners, Inc.$113K1
147NISA INVESTMENT ADVISORS, LLC$104K1
148OSAIC HOLDINGS, INC.$69.5K1
149USA FINANCIAL FORMULAS$52.3K1
150Tower Research Capital LLC (TRC)$51.9K1
151Sterling Capital Management LLC$45.0K1
152Rockefeller Capital Management L.P.$38.1K1
153Pinnacle Wealth Planning Services, Inc.$31.2K1
154BNP Paribas Asset Management Holding S.A.$30.2K1
155GROUP ONE TRADING LLC$28.5K1
156PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO$28.3K1
157US BANCORP \DE\$20.6K1
158TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU SA$20.0K1
159HighMark Wealth Management LLC$19.7K1
160NATIONAL BANK OF CANADA /FI/$11.2K1
161UMB Bank, n.a.$10.8K1
162SIGNATUREFD, LLC$7.8K1
163Parkside Financial Bank & Trust$7.3K1
164Allworth Financial LP$5.8K1
165Towne Trust Company, N.A$5.7K1
166TD Waterhouse Canada Inc.$4.4K1
167Private Wealth Management Group, LLC$4.3K1
168Rachor Investment Advisory Services, LLC$4.2K1
169BARROW HANLEY MEWHINNEY & STRAUSS LLC$3.8K1
170Smartleaf Asset Management LLC$3.5K1
171GSA CAPITAL PARTNERS LLP$2.7K1
172ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/$2.3K1
173CBIZ Investment Advisory Services, LLC$2.0K1
174SBI Securities Co., Ltd.$1.9K1
175NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO$1.8K1
176Physician Wealth Advisors, Inc.$1.7K1
177Quarry LP$1.7K1
178Arax Advisory Partners$1.4K1
179ACADIAN ASSET MANAGEMENT LLC$1.4K1
180INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC$1.3K1
181Manchester Capital Management LLC$1.3K1
182CANADA LIFE ASSURANCE Co$1.1K1
183True Wealth Design, LLC$1.1K1
184HRT FINANCIAL LP$1.0K1
185Blue Trust, Inc.$1.0K1
186THRIVENT FINANCIAL FOR LUTHERANS$9011
187FARMERS & MERCHANTS INVESTMENTS INC$8551
188State of Alaska, Department of Revenue$7411
189Summit Global Investments$7251
190MAI Capital Management$6851
191NEW YORK STATE TEACHERS RETIREMENT SYSTEM$6581
192Annis Gardner Whiting Capital Advisors, LLC$4001
193AMALGAMATED BANK$3891
194ALGERT GLOBAL LLC$3611
195TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY$3491
196GILPIN WEALTH MANAGEMENT, LLC$2861
197ASSETMARK, INC$2851
198Larson Financial Group LLC$2281
199PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO$2191
200LSV ASSET MANAGEMENT$1941
201SJS Investment Consulting Inc.$1721
202Ankerstar Wealth, LLC$1711
203VANGUARD GROUP INC— value not disclosed1
204ESSEX INVESTMENT MANAGEMENT CO LLC— value not disclosed1
205Clearstead Advisors, LLC— value not disclosed1
206COMERICA BANK— value not disclosed1
207VIRGINIA RETIREMENT SYSTEMS ET Al— value not disclosed1
208GUGGENHEIM CAPITAL LLC— value not disclosed1
209CIBC Private Wealth Group LLC— value not disclosed1
210Verition Fund Management LLC— value not disclosed1
211TWO SIGMA ADVISERS, LP— value not disclosed1
212Brevan Howard Capital Management LP— value not disclosed1
213Select Equity Group, L.P.— value not disclosed1
214Versor Investments LP— value not disclosed1
215CWA Asset Management Group, LLC— value not disclosed1
216ExodusPoint Capital Management, LP— value not disclosed1
217Global Retirement Partners, LLC— value not disclosed1
218Optiver Holding B.V.— value not disclosed1
219AlphaQuest LLC— value not disclosed1
220SageView Advisory Group, LLC— value not disclosed1
221Aster Capital Management (DIFC) Ltd— value not disclosed1
222OPTIMA CAPITAL LLC— value not disclosed1
223MASECO LLP— value not disclosed1
Truncated by Public Filings. Every one of the 202 13F filers reporting this share class for the quarter is listed. methodology §13F ↗
§ derived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date, which this table does not show, but no document links — the EDGAR link opens the filer's 13F list
n/c Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt.

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Do the two regimes agree?

TRAILING 12M · CONGRESS vs FILERS NET
Congress net (rows)no rows
Congress net ($ bound)$0
Filers net (actions)not in build
Filers net ($ Q/Q)not in build

The filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.

Signals on PRLB

RETAINED WINDOW · ACTIVE HITS

Zero hits on PRLB in the retained window — a computed answer over every rule, not missing coverage.

Every rule, with its definition →

Planned modules for PRLB · financials and macro

Financials — as filed PLANNED

PRLB's as-reported XBRL fundamentals will appear here when the financials module passes its gates. Until then: PRLB on EDGAR ↗

Macro context PLANNED

Rates, inflation, and positioning series land here with the macro module — vintage-aware, never nowcast.

† issuer name from the SEC's present-day ticker file (company_tickers.json) — a present-day mapping, not the name as of each filing