Proto LabsPRLB
13F holders, Q2 2026 (June 30)277holders +14
37new positions
24sold out
8famous investors
$81.42avg. 13F price*
At the end of Q2 2026, 277 institutions reported holding Proto Labs Inc. (PRLB) in their 13F filings, up 14 from Q1 2026. 37 opened new positions and 24 sold out. The largest holders were BlackRock, Inc. ($317.6M), Disciplined Growth Investors Inc. ($194.0M) and Vanguard Portfolio Management LLC ($130.4M). 8 famous investors held it, including Jim Simons / Peter Brown (0.1% 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
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 37 | $19.5M |
| Exits | 24 | $23.8M |
All 13F filers, Q1 2026 → Q2 2026: 2,079,840 shares bought and 1,713,298 shares sold, net +366,542 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 277 holders
| BlackRock, Inc. | 0.00% | Add +5.9% | 3,896,222 | $317.6M |
| Disciplined Growth Investors Inc. | 3.29% | Reduce -4.7% | 2,380,514 | $194.0M |
| Vanguard Portfolio Management LLC | 0.01% | Add +4.0% | 1,599,765 | $130.4M |
| Dimensional Fund Advisors LP | 0.02% | Reduce -9.4% | 1,152,305 | $93.9M |
| State Street Corp. | 0.00% | Add +4.3% | 1,138,462 | $92.8M |
| Vanguard Capital Management LLC | 0.00% | Add +1.4% | 1,054,623 | $86.0M |
| American Capital Management Inc. | 2.27% | Reduce -1.3% | 619,845 | $50.5M |
| Geode Capital Management, LLC | 0.00% | Add +5.8% | 614,028 | $50.1M |
| Renaissance Technologies | 0.05% | Reduce -9.8% | 469,251 | $38.2M |
| Prudential Financial Inc. | 0.04% | Add +14.4% | 457,810 | $37.3M |
| FMR LLC | 0.00% | Add +4.8% | 442,659 | $36.1M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Reduce -5.0% | 440,816 | $35.9M |
| Nuveen, LLC | 0.01% | Add +32.5% | 420,059 | $34.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +186.1% | 403,179 | $32.9M |
| Driehaus Capital Management LLC | 0.17% | Add +0.3% | 370,151 | $30.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.7% | 354,188 | $28.9M |
| Morgan Stanley | 0.00% | Add +7.2% | 314,778 | $25.7M |
| S Squared Technology, LLC | 7.29% | Reduce -2.7% | 288,120 | $23.5M |
| Northern Trust Corp. | 0.00% | Add +6.6% | 284,562 | $23.2M |
| First Trust Advisors LP | 0.01% | Add +142.1% | 224,792 | $18.3M |
| JPMorgan Chase & Co. | 0.00% | Add +156.6% | 224,717 | $17.9M |
| D. E. Shaw & Co. | 0.01% | Reduce -6.3% | 211,366 | $17.2M |
| Nordea Investment Management AB | 0.01% | Reduce -4.9% | 203,883 | $16.5M |
| Hillsdale Investment Management Inc. | 0.36% | Add +9.9% | 191,594 | $15.6M |
| Jupiter Asset Management Ltd. | 0.08% | Reduce -3.2% | 188,539 | $15.4M |
| Panagora Asset Management Inc. | 0.05% | Add +3.4% | 180,713 | $14.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +2.9% | 157,987 | $12.9M |
| Bank of New York Mellon Corp | 0.00% | Add +2.8% | 143,782 | $11.7M |
| Jane Street Group, LLC | 0.01% | Add +150.2% | 143,527 | $11.7M |
| Principal Financial Group Inc. | 0.01% | Add +1.1% | 135,136 | $11.0M |
| Bank of America Corp. | 0.00% | Reduce -2.4% | 125,997 | $10.3M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Reduce -4.0% | 120,473 | $9.8M |
| Gagnon Securities LLC | 1.83% | Add +4.9% | 116,283 | $9.5M |
| Rice Hall James & Associates, LLC | 0.43% | Reduce -4.1% | 108,964 | $8.9M |
| Rubric Capital Management LP | 0.08% | Reduce -77.7% | 108,692 | $8.9M |
| Invesco Ltd. | 0.00% | Add +22.4% | 108,421 | $8.8M |
| Acadian Asset Management LLC | 0.01% | Add +304.9% | 99,186 | $8.1M |
| UBS Group AG | 0.00% | Reduce -42.3% | 97,304 | $7.9M |
| Public Sector Pension Investment Board | 0.02% | Reduce -9.4% | 95,645 | $7.8M |
| Millennium Management | 0.01% | Add +259.9% | 92,960 | $7.6M |
| Citadel Advisors | 0.00% | Add +99.1% | 88,625 | $7.2M |
| American Century Companies Inc. | 0.00% | Add +0.3% | 79,056 | $6.4M |
| Ameriprise Financial Inc. | 0.00% | Add +19.2% | 69,786 | $5.7M |
| Edgestream Partners, L.P. | 0.16% | Add +246.0% | 65,799 | $5.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -1.1% | 65,044 | $5.3M |
| Informed Momentum Co LLC | 0.47% | Reduce -1.6% | 64,803 | $5.3M |
| Rhumbline Advisers | 0.00% | Reduce -11.0% | 57,970 | $4.7M |
| Legal & General Group Plc | 0.00% | Reduce -2.9% | 56,739 | $4.6M |
| Roubaix Capital, LLC | 1.62% | New | 55,415 | $4.5M |
| Franklin Resources Inc. | 0.00% | Reduce -3.3% | 55,096 | $4.5M |
| AQR Capital Management | 0.00% | Reduce -3.3% | 53,319 | $4.3M |
| Zacks Investment Management | 0.03% | Add +11.3% | 52,989 | $4.3M |
| Swiss National Bank | 0.00% | Add +1.3% | 47,700 | $3.9M |
| Intech Investment Management LLC | 0.03% | Add +17.5% | 45,776 | $3.7M |
| Campbell & CO Investment Adviser LLC | 0.18% | Add +181.8% | 42,798 | $3.5M |
| Hussman Strategic Advisors, Inc. | 0.79% | Reduce -20.0% | 42,000 | $3.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +17.6% | 39,013 | $3.2M |
| AIMZ Investment Advisors, LLC | 0.87% | No change | 38,728 | $3.2M |
| Point72 Asset Management | 0.00% | Add +14.3% | 37,033 | $3.0M |
| Algert Global LLC | 0.04% | Add +480.2% | 36,695 | $3.0M |
| BNP Paribas Financial Markets | 0.00% | Add +189.6% | 36,457 | $3.0M |
| ARK Investment Management | 0.02% | Reduce -22.5% | 35,418 | $2.9M |
| Polen Capital Management LLC | 0.02% | Reduce -6.9% | 35,011 | $2.9M |
| Susquehanna Fundamental Investments, LLC | 0.05% | Add +227.0% | 33,760 | $2.8M |
| ExodusPoint Capital Management, LP | 0.03% | New | 33,683 | $2.7M |
| Quantinno Capital Management LP | 0.00% | Add +18.1% | 32,730 | $2.7M |
| Federated Hermes, Inc. | 0.00% | Add +2.5% | 32,144 | $2.6M |
| Citigroup Inc. | 0.00% | Add +105.9% | 31,308 | $2.6M |
| AEGON ASSET MANAGEMENT UK Plc | 0.03% | New | 31,000 | $2.5M |
| Voya Investment Management LLC | 0.00% | Add +2.3% | 30,839 | $2.5M |
| California State Teachers Retirement System | 0.00% | Add +17.8% | 27,044 | $2.2M |
| Bridgeway Capital Management, LLC | 0.04% | Add +22.7% | 27,000 | $2.2M |
| Engineers Gate Manager LP | 0.03% | Add +84.7% | 26,780 | $2.2M |
| Thrivent Financial for Lutherans | 0.00% | Add +61.2% | 25,476 | $2.1M |
| Deutsche Bank AG | 0.00% | Reduce -16.5% | 25,119 | $2.0M |
| Wells Fargo & Company | 0.00% | Add +110.1% | 24,633 | $2.0M |
| HSBC Holdings PLC | 0.00% | Add +60.6% | 24,699 | $2.0M |
| Sei Investments Co. | 0.00% | Add +173.0% | 24,075 | $2.0M |
| HRT Financial LP | 0.00% | Add +21.5% | 21,965 | $1.8M |
| Gilder Gagnon Howe & Co. LLC | 0.02% | Add +0.0% | 21,274 | $1.7M |
| Gabelli Funds LLC | 0.01% | No change | 21,132 | $1.7M |
| Jackson Creek Investment Advisors LLC | 0.56% | Add +167.7% | 22,459 | $1.7M |
| SG Capital Management LLC | 0.15% | New | 20,068 | $1.6M |
| Alliancebernstein L.P. | 0.00% | Add +33.3% | 27,640 | $1.6M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -4.3% | 19,000 | $1.5M |
| Teacher Retirement System of Texas | 0.00% | Reduce -9.7% | 18,885 | $1.5M |
| Russell Investments Group, Ltd. | 0.00% | Add +218.5% | 18,166 | $1.5M |
| Marshall Wace, LLP | 0.00% | Reduce -75.3% | 16,921 | $1.4M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +15.0% | 16,856 | $1.4M |
| Squarepoint Ops LLC | 0.00% | Reduce -60.2% | 16,439 | $1.3M |
| State of Wyoming | 0.13% | Add +376.4% | 16,370 | $1.3M |
| Captrust Financial Advisors | 0.00% | Add +0.8% | 15,935 | $1.3M |
| Trexquant Investment LP | 0.01% | Reduce -79.3% | 14,219 | $1.2M |
| MetLife Investment Management, LLC | 0.01% | Add +5.0% | 14,086 | $1.1M |
| Marks Group Wealth Management, Inc | 0.10% | Add +16.1% | 13,991 | $1.1M |
| SG Americas Securities, LLC | 0.00% | Add +107.0% | 13,311 | $1.1M |
| Jump Financial, LLC | 0.01% | New | 13,194 | $1.1M |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -26.5% | 13,028 | $1.1M |
| Haven Private, LLC | 0.40% | Reduce -5.5% | 12,966 | $1.1M |
| Amundi | 0.00% | Reduce -8.1% | 12,941 | $1.1M |
"% of holder's portfolio" is PRLB's weight in each manager's 13F, not the share of Proto Labs Inc. the manager owns.