Proto LabsPRLB

13F holders, Q1 2026 (March 31)
263holders +29
47new positions
18sold out
9famous investors
$57.00avg. 13F price*

At the end of Q1 2026, 263 institutions reported holding Proto Labs Inc. (PRLB) in their 13F filings, up 29 from Q4 2025. 47 opened new positions and 18 sold out. The largest holders were BlackRock, Inc. ($209.7M), Disciplined Growth Investors Inc. ($142.4M) and Vanguard Portfolio Management LLC ($87.7M). 9 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cathie Wood (0.0% of ARK Investment Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
Proto Labs Inc.
CUSIP
743713109
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300 Q1 2024: 203Q1 2024Q2 2024: 204Q2 2024Q3 2024: 193Q3 2024Q4 2024: 199Q4 2024Q1 2025: 188Q1 2025Q2 2025: 201Q2 2025Q3 2025: 213Q3 2025Q4 2025: 234Q4 2025Q1 2026: 263Q1 2026Q2 2026: 277Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions47$36.3M
Exits18$7.1M

All 13F filers, Q4 2025 → Q1 2026: 1,803,882 shares bought and 1,551,490 shares sold, net +252,392 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 263 holders

BlackRock, Inc. 0.00% Add +1.6% 3,677,875 $209.7M
Disciplined Growth Investors Inc. 2.91% Reduce -6.6% 2,497,355 $142.4M
Vanguard Portfolio Management LLC 0.00% — 1,538,530 $87.7M
Dimensional Fund Advisors LP 0.02% Reduce -0.3% 1,272,356 $72.5M
State Street Corp. 0.00% Add +0.3% 1,092,000 $62.3M
Vanguard Capital Management LLC 0.00% — 1,039,741 $59.3M
American Capital Management Inc. 1.92% Reduce -0.6% 627,705 $35.8M
Geode Capital Management, LLC 0.00% Add +3.9% 580,201 $33.1M
Renaissance Technologies 0.05% Add +5.4% 520,251 $29.7M
Rubric Capital Management LP 0.34% Reduce -56.7% 486,400 $27.7M
Arrowstreet Capital, Limited Partnership 0.01% Add +0.7% 463,780 $26.4M
FMR LLC 0.00% Add +245.9% 422,356 $24.1M
Prudential Financial Inc. 0.03% Add +118.9% 400,241 $22.8M
Driehaus Capital Management LLC 0.15% Reduce -3.4% 369,136 $21.0M
Charles Schwab Investment Management Inc. 0.00% Reduce -0.8% 360,203 $20.5M
Nuveen, LLC 0.00% Reduce -2.7% 316,939 $18.1M
S Squared Technology, LLC 6.39% Reduce -3.3% 296,103 $16.9M
Morgan Stanley 0.00% Reduce -3.9% 293,581 $16.7M
Northern Trust Corp. 0.00% Add +4.2% 266,951 $15.2M
D. E. Shaw & Co. 0.01% Add +6.0% 225,651 $12.9M
Nordea Investment Management AB 0.01% Reduce -4.5% 214,381 $12.0M
Jupiter Asset Management Ltd. 0.06% No change 194,832 $11.1M
Panagora Asset Management Inc. 0.04% Reduce -0.5% 174,698 $10.0M
Hillsdale Investment Management Inc. 0.27% Add +3.6% 174,384 $9.9M
UBS Group AG 0.00% Reduce -3.8% 168,750 $9.6M
Vanguard Fiduciary Trust Co. 0.00% — 153,581 $8.8M
Qube Research & Technologies Ltd 0.01% Add +894.1% 148,622 $8.5M
Goldman Sachs Group Inc. 0.00% Reduce -12.2% 140,943 $8.0M
Bank of New York Mellon Corp 0.00% Reduce -2.1% 139,917 $8.0M
Principal Financial Group Inc. 0.00% Reduce -2.2% 133,613 $7.6M
Bank of America Corp. 0.00% Add +38.3% 129,113 $7.4M
Connor, Clark & Lunn Investment Management Ltd. 0.02% Reduce -4.0% 125,510 $7.2M
Rice Hall James & Associates, LLC 0.36% Reduce -0.8% 113,589 $6.5M
Gagnon Securities LLC 1.46% Reduce -0.6% 110,889 $6.3M
Public Sector Pension Investment Board 0.02% Reduce -4.3% 105,560 $6.0M
Lazard Asset Management LLC 0.01% Add +31.4% 99,333 $5.7M
First Trust Advisors LP 0.00% Reduce -12.3% 92,870 $5.3M
Invesco Ltd. 0.00% Reduce -17.8% 88,576 $5.1M
JPMorgan Chase & Co. 0.00% Reduce -26.2% 87,579 $4.9M
American Century Companies Inc. 0.00% Reduce -0.4% 78,842 $4.5M
Trexquant Investment LP 0.03% Add +148.6% 68,688 $3.9M
Marshall Wace, LLP 0.00% New 68,355 $3.9M
Informed Momentum Co LLC 0.43% New 65,823 $3.8M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +1.7% 65,741 $3.7M
Rhumbline Advisers 0.00% Add +0.6% 65,114 $3.7M
Polar Asset Management Partners Inc. 0.11% Reduce -27.6% 60,369 $3.4M
Ameriprise Financial Inc. 0.00% Add +20.2% 58,539 $3.3M
Legal & General Group Plc 0.00% Reduce -8.6% 58,401 $3.3M
Jane Street Group, LLC 0.00% Reduce -48.1% 57,355 $3.3M
Franklin Resources Inc. 0.00% Add +72.9% 56,959 $3.2M
AQR Capital Management 0.00% Add +7.5% 55,117 $3.1M
Hussman Strategic Advisors, Inc. 0.65% New 52,500 $3.0M
Archon Capital Management LLC 1.56% New 48,500 $2.8M
Zacks Investment Management 0.02% Add +641.7% 47,586 $2.7M
Swiss National Bank 0.00% No change 47,100 $2.7M
Gsa Capital Partners LLP 0.17% New 46,960 $2.7M
Assenagon Asset Management S.A. 0.00% Add +68.6% 46,776 $2.7M
ARK Investment Management 0.02% Reduce -19.5% 45,704 $2.6M
Citadel Advisors 0.00% Add +257.3% 44,518 $2.5M
Squarepoint Ops LLC 0.01% New 41,320 $2.4M
Intech Investment Management LLC 0.02% Add +289.5% 38,971 $2.2M
AIMZ Investment Advisors, LLC 0.68% Reduce -2.3% 38,728 $2.2M
Polen Capital Management LLC 0.01% Add +806.3% 37,594 $2.1M
T. Rowe Price Associates Inc. 0.00% Add +18.3% 33,169 $1.9M
Point72 Asset Management 0.00% Reduce -18.8% 32,389 $1.8M
Integrated Quantitative Investments LLC 0.33% New 31,505 $1.8M
Federated Hermes, Inc. 0.00% Add +2.0% 31,371 $1.8M
Voya Investment Management LLC 0.00% Reduce -0.3% 30,139 $1.7M
Deutsche Bank AG 0.00% Add +8.3% 30,070 $1.7M
Bastion Asset Management Inc. 0.49% New 28,270 $1.6M
Quantinno Capital Management LP 0.00% Add +98.9% 27,716 $1.6M
Millennium Management 0.00% Reduce -74.6% 25,829 $1.5M
Acadian Asset Management LLC 0.00% Reduce -16.9% 24,497 $1.4M
VIRGINIA RETIREMENT SYSTEMS ET Al 0.01% Reduce -1.7% 23,000 $1.3M
California State Teachers Retirement System 0.00% Reduce -0.8% 22,967 $1.3M
Bridgeway Capital Management, LLC 0.03% Reduce -80.7% 22,000 $1.3M
Gilder Gagnon Howe & Co. LLC 0.01% New 21,267 $1.2M
Gabelli Funds LLC 0.01% No change 21,132 $1.2M
Teacher Retirement System of Texas 0.01% Reduce -14.1% 20,920 $1.2M
Quantbot Technologies LP 0.05% New 20,782 $1.2M
CANADA LIFE ASSURANCE Co 0.00% No change 19,845 $1.1M
Edgestream Partners, L.P. 0.04% New 19,015 $1.1M
Alliancebernstein L.P. 0.00% No change 20,740 $1.0M
HRT Financial LP 0.00% New 18,081 $1.0M
State of Tennessee, Department of Treasury 0.00% No change 17,728 $1.0M
XTX Topco Ltd 0.02% New 15,873 $905K
Thrivent Financial for Lutherans 0.00% Reduce -2.9% 15,805 $901K
Captrust Financial Advisors 0.00% Reduce -0.3% 15,800 $901K
Tidal Investments LLC 0.00% Add +19.7% 15,558 $887K
HSBC Holdings PLC 0.00% Add +12.9% 15,378 $867K
Citigroup Inc. 0.00% Reduce -0.7% 15,208 $867K
Campbell & CO Investment Adviser LLC 0.05% Reduce -63.4% 15,188 $866K
VANGUARD ASSET MANAGEMENT, Ltd 0.00% — 14,662 $836K
GABELLI & Co INVESTMENT ADVISERS, INC. 0.12% No change 14,500 $827K
Engineers Gate Manager LP 0.01% Reduce -1.6% 14,500 $827K
Dark Forest Capital Management LP 0.07% Reduce -10.6% 14,248 $812K
Alps Advisors Inc. 0.00% Reduce -20.1% 14,160 $807K
Amundi 0.00% Add +16.9% 14,082 $803K
Bailard, Inc. 0.02% Add +5.3% 13,981 $797K
Haven Private, LLC 0.34% Add +65.0% 13,715 $782K
MetLife Investment Management, LLC 0.00% Reduce -0.9% 13,411 $765K
KLP Kapitalforvaltning As 0.00% Add +162.8% 13,400 $764K
STRS Ohio 0.00% Reduce -5.7% 13,200 $753K
Royal Bank of Canada 0.00% Reduce -21.5% 13,059 $745K
State of Alaska, Department of Revenue 0.01% Reduce -2.0% 13,008 $741K
Illinois Municipal Retirement Fund 0.01% Add +2.4% 12,871 $734K
Summit Global Investments 0.04% Add +36.0% 12,720 $725K
BNP Paribas Financial Markets 0.00% Add +55.2% 12,591 $718K
Two Sigma Investments, LP 0.00% New 12,200 $696K
Janus Henderson Group PLC 0.00% Reduce -0.6% 12,160 $693K
Legato Capital Management LLC 0.06% New 12,113 $691K
Horizon Investments, LLC 0.01% Add +1.9% 12,111 $691K
Susquehanna International Group, LLP 0.00% New 12,060 $688K
Marks Group Wealth Management, Inc 0.07% No change 12,052 $687K
Diversified Trust Co. 0.01% Add +12.4% 11,795 $673K
Wells Fargo & Company 0.00% Reduce -60.9% 11,723 $668K
New York State Teachers Retirement System 0.00% Reduce -50.9% 11,536 $658K
Creative Planning 0.00% Add +25.2% 11,509 $656K
Round Rock Advisors LLC 0.10% No change 11,219 $640K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -10.8% 11,156 $636K
Gotham Asset Management 0.00% Reduce -1.8% 10,973 $626K
State of Wisconsin Investment Board 0.00% Reduce -18.2% 10,840 $618K
Simplex Trading, LLC 0.02% New 10,779 $615K
Corient Private Wealth LP 0.00% New 10,704 $610K
Louisiana State Employees Retirement System 0.01% Reduce -2.8% 10,500 $599K
Vanguard Global Advisers, LLC 0.00% — 10,439 $595K
Susquehanna Fundamental Investments, LLC 0.02% New 10,325 $589K
RBF Capital, LLC 0.03% No change 10,000 $570K
Canada Pension Plan Investment Board 0.00% Reduce -23.6% 9,700 $553K
Truvestments Capital LLC 0.10% Reduce -12.7% 9,699 $553K
Manufacturers Life Insurance Company, The 0.00% Reduce -4.1% 9,537 $544K
Allianz Asset Management GmbH 0.00% No change 9,115 $520K
Sei Investments Co. 0.00% New 8,819 $503K
Jackson Creek Investment Advisors LLC 0.14% Reduce -0.2% 8,390 $478K
Argos Wealth Advisors, LLC 0.13% No change 8,173 $466K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +47.5% 8,046 $459K
New York State Common Retirement Fund 0.00% Add +4.9% 7,888 $450K
Bridgewater Associates 0.00% New 7,690 $438K
WINTON GROUP Ltd 0.02% New 7,564 $431K
State Board of Administration of Florida Retirement System 0.00% No change 7,559 $431K
Janney Montgomery Scott LLC 0.00% Reduce -7.9% 7,233 $412K
Mercer Global Advisors Inc. 0.00% Add +18.3% 6,966 $397K
Independent Financial Group, LLC 0.01% New 6,915 $394K
Amalgamated Bank 0.00% Reduce -1.6% 6,822 $389K
Ieq Capital, LLC 0.00% Add +10.3% 6,788 $387K
Police & Firemen's Retirement System of New Jersey 0.00% Add +10.3% 6,624 $378K
Arizona State Retirement System 0.00% Reduce -2.3% 6,503 $371K
SG Americas Securities, LLC 0.00% Reduce -78.7% 6,429 $367K
Yousif Capital Management, LLC 0.00% Reduce -2.0% 6,359 $363K
Algert Global LLC 0.01% No change 6,325 $361K
Teachers Retirement System of the State of Kentucky 0.00% No change 6,120 $349K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Reduce -0.1% 5,856 $334K
Russell Investments Group, Ltd. 0.00% Add +151.2% 5,704 $325K
Pacer Advisors, Inc. 0.00% Add +74.2% 5,653 $322K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 5,640 $322K
Oregon Public Employees Retirement Fund 0.00% No change 5,457 $311K
Vanguard Investments Australia, Ltd. 0.00% — 5,397 $308K
Quadrant Capital Group LLC 0.01% No change 5,286 $301K
Barclays PLC 0.00% Reduce -86.2% 5,269 $300K
Cornerstone Investment Partners, LLC 0.01% Add +29.4% 5,235 $299K
Fifth Third Bancorp 0.00% Add +3537.6% 5,129 $292K
Man Group plc 0.00% New 5,114 $292K
Mariner, LLC 0.00% Add +12.5% 5,094 $290K
Centiva Capital, LP 0.01% New 5,064 $289K
Leonteq Securities AG 0.02% No change 5,000 $285K
Steward Partners Investment Advisory, LLC 0.00% Reduce -37.5% 5,000 $285K
Raymond James Financial Inc. 0.00% Add +4.8% 4,874 $278K
Schonfeld Strategic Advisors LLC 0.00% New 4,794 $273K
Quadrature Capital Ltd 0.00% New 4,611 $263K
Cerity Partners LLC 0.00% Add +8.7% 4,588 $262K
Auto-Owners Insurance Co 0.01% No change 4,500 $257K
Angeles Wealth Management, LLC 0.01% New 4,490 $256K
Dynamic Technology Lab Private Ltd 0.04% New 4,380 $250K
Mirabella Financial Services LLP 0.02% New 4,296 $245K
Bank of Montreal 0.00% Add +5.8% 4,216 $240K
Lanark Financial, Inc. 0.02% Add +342.2% 4,006 $228K
LPL Financial LLC 0.00% New 3,934 $224K
Prelude Capital Management, LLC 0.02% Reduce -26.9% 3,906 $223K
Public Employees Retirement Association of Colorado 0.00% No change 3,847 $219K
Pictet Asset Management Holding SA 0.00% New 3,774 $215K
ProShare Advisors LLC 0.00% Reduce -20.0% 3,702 $211K
Victory Capital Management Inc. 0.00% New 3,699 $211K
HighTower Advisors, LLC 0.00% New 3,611 $206K
Cwm, LLC 0.00% Add +8.2% 3,486 $199K
State of Wyoming 0.02% Reduce -52.6% 3,436 $196K
LSV Asset Management 0.00% No change 3,400 $194K
Aquatic Capital Management LLC 0.00% New 2,960 $169K
Ameritas Investment Partners, Inc. 0.00% No change 1,988 $113K
PNC Financial Services Group, Inc. 0.00% Add +0.7% 1,958 $112K
Nisa Investment Advisors, LLC 0.00% Add +2.3% 1,827 $104K
Osaic Holdings, Inc. 0.00% Reduce -4.9% 1,219 $70K
GAMMA Investing LLC 0.00% Add +0.1% 1,177 $67K
Jones Financial Companies LLLP 0.00% Add +25.4% 989 $55K
USA Financial Formulas 0.01% New 917 $52K
Tower Research Capital LLC (TRC) 0.00% Reduce -71.0% 911 $52K
Sterling Capital Management LLC 0.00% Reduce -42.5% 789 $45K
Rockefeller Capital Management L.P. 0.00% Add +177.2% 668 $38K
Farther Finance Advisors, LLC 0.00% Add +1.7% 610 $35K
NewEdge Advisors, LLC 0.00% No change 548 $31K
Pinnacle Wealth Planning Services, Inc. 0.00% Add +7.7% 547 $31K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +28.6% 530 $30K
Group One Trading LLC 0.00% No change 500 $29K
Public Employees Retirement System of Ohio 0.00% Reduce -6.1% 496 $28K
Hantz Financial Services, Inc. 0.00% Add +98.0% 495 $28K
EverSource Wealth Advisors, LLC 0.00% Add +4.4% 471 $27K
Versant Capital Management, Inc 0.00% Add +3.5% 448 $26K
Cullen/Frost Bankers, Inc. 0.00% New 430 $25K
Advisory Services Network, LLC 0.00% New 367 $21K
US Bancorp \de 0.00% Add +10.7% 362 $21K
Towarzystwo Funduszy Inwestycyjnych Pzu SA 0.01% No change 350 $20K
HighMark Wealth Management LLC 0.01% No change 345 $20K
Hoese & Co LLP 0.01% No change 200 $11K
Aventura Private Wealth, LLC 0.00% No change 200 $11K
National Bank of Canada 0.00% New 196 $11K
UMB Bank, n.a. 0.00% No change 189 $11K
Covestor Ltd 0.01% Reduce -13.9% 143 $8K
Bessemer Group Inc. 0.00% No change 143 $8K
Signaturefd, LLC 0.00% No change 136 $8K
Los Angeles Capital Management LLC 0.00% No change 130 $7K
Parkside Financial Bank & Trust 0.00% No change 128 $7K
Twin Peaks Wealth Advisors, LLC 0.00% New 110 $6K
Allworth Financial LP 0.00% Add +183.3% 102 $6K
Towne Trust Company, N.A 0.00% No change 100 $6K
Salomon & Ludwin, LLC 0.00% No change 84 $5K
Harbour Investments, Inc. 0.00% New 85 $5K
TD Waterhouse Canada Inc. 0.00% New 75 $4K
Private Wealth Management Group, LLC 0.00% No change 76 $4K
Rachor Investment Advisory Services, LLC 0.00% Add +7.3% 74 $4K
Barrow Hanley Mewhinney & Strauss LLC 0.00% New 67 $4K
Keating Financial Advisory Services, Inc. 0.00% New 66 $4K
Smartleaf Asset Management LLC 0.00% Reduce -80.8% 63 $3K
2UniFi Bank 0.00% No change 59 $3K
Rothschild Investment LLC 0.00% Add +14.0% 57 $3K
Ares Financial Consulting, LLC 0.00% No change 53 $3K
Sound Income Strategies, LLC 0.00% No change 51 $3K
Zions Bancorporation, National Association 0.00% New 41 $2K
CBIZ Investment Advisory Services, LLC 0.00% No change 35 $2K
SBI Securities Co., Ltd. 0.00% Reduce -90.2% 34 $2K
Essential Partners LLC 0.00% Add +6.7% 32 $2K
Northwestern Mutual Wealth Management Co. 0.00% Add +210.0% 31 $2K
Quarry LP 0.00% Reduce -91.3% 29 $2K
Physician Wealth Advisors, Inc. 0.00% No change 29 $2K
Parallel Advisors, LLC 0.00% Add +190.0% 29 $2K
Arax Advisory Partners 0.00% No change 25 $1K
International Assets Investment Management, LLC 0.00% No change 23 $1K
Manchester Capital Management LLC 0.00% No change 22 $1K
True Wealth Design, LLC 0.00% No change 19 $1K
Ascentis Wealth Management, LLC 0.00% No change 18 $1K
Blue Trust, Inc. 0.00% No change 18 $1K
Farmers & Merchants Investments Inc. 0.00% Reduce -11.8% 15 $855
MAI Capital Management 0.00% Add +100.0% 12 $685
MassMutual Private Wealth & Trust, FSB 0.00% No change 9 $513
Torren Management, LLC 0.00% Reduce -55.6% 8 $456
Annis Gardner Whiting Capital Advisors, LLC 0.00% No change 7 $400
IFP Advisors, Inc 0.00% No change 7 $399
Root Financial Partners, LLC 0.00% New 7 $399
Sunbelt Securities, Inc. 0.00% No change 6 $342
Gilpin Wealth Management, LLC 0.00% Add +150.0% 5 $286
Assetmark, Inc. 0.00% Reduce -28.6% 5 $285
Larson Financial Group LLC 0.00% No change 4 $228
Cedar Mountain Advisors, LLC 0.00% No change 4 $228
SJS Investment Consulting Inc. 0.00% No change 3 $172
Ankerstar Wealth, LLC 0.00% No change 3 $171

"% of holder's portfolio" is PRLB's weight in each manager's 13F, not the share of Proto Labs Inc. the manager owns.