Proto Labs Inc
PRLB- Exchange
- NYSE
- Industry
- Fabricated Structural Metal Products
- SEC CIK
- 0001443669
In the last 90 days, Proto Labs Inc insiders filed 0 open-market purchases and 2 sales; 277 institutions reported holding it in 13F filings for Q2 2026, worth $1.83B in total; ARK Invest is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Proto Labs Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 277
- +18 vs. Q1 2026
- Shares held
- 22.5M
- +396.3K (+1.8%) vs. Q1 2026
- Total value
- $1.83B
- +$571.5M (+45.4%) vs. Q1 2026
- New holders
- 43
- 101 more added
- Sold out
- 25
- 91 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PRLB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 277 | $1.83B |
| Q1 2026 | 263 | $1.26B |
| Q4 2025 | 234 | $1.10B |
| Q3 2025 | 213 | $1.09B |
| Q2 2025 | 202 | $867.3M |
| Q1 2025 | 188 | $765.5M |
| Q4 2024 | 199 | $837.9M |
| Q3 2024 | 193 | $638.4M |
| Q2 2024 | 204 | $664.6M |
| Q1 2024 | 203 | $845.3M |
| Q4 2023 | 219 | $889.9M |
| Q3 2023 | 185 | $571.4M |
| Q2 2023 | 193 | $775.6M |
| Q1 2023 | 199 | $755.1M |
| Q4 2022 | 199 | $594.0M |
| Q3 2022 | 211 | $882.0M |
| Q2 2022 | 227 | $1.17B |
| Q1 2022 | 236 | $1.31B |
| Q4 2021 | 245 | $1.31B |
| Q3 2021 | 264 | $1.89B |
| Q2 2021 | 273 | $2.65B |
| Q1 2021 | 316 | $3.49B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,896,222 | $317.6M | 0.00% | +218,347+5.9% | Added |
| Disciplined Growth Investors Inc | 2,380,514 | $194.0M | 3.29% | −116,841−4.7% | Reduced |
| Vanguard Portfolio Management LLC | 1,599,765 | $130.4M | 0.01% | +61,235+4.0% | Added |
| Dimensional Fund Advisors LP | 1,152,305 | $93.9M | 0.02% | −120,051−9.4% | Reduced |
| State Street Corp | 1,138,462 | $92.8M | 0.00% | +46,462+4.3% | Added |
| Vanguard Capital Management LLC | 1,054,623 | $86.0M | 0.00% | +14,882+1.4% | Added |
| American Capital Management Inc | 619,845 | $50.5M | 2.27% | −7,860−1.3% | Reduced |
| Geode Capital Management, LLC | 614,028 | $50.1M | 0.00% | +33,827+5.8% | Added |
| Renaissance Technologies LLC | 469,251 | $38.2M | 0.05% | −51,000−9.8% | Reduced |
| Prudential Financial Inc | 457,810 | $37.3M | 0.04% | +57,569+14.4% | Added |
| FMR LLC | 442,659 | $36.1M | 0.00% | +20,303+4.8% | Added |
| Arrowstreet Capital, Limited Partnership | 440,816 | $35.9M | 0.02% | −22,964−5.0% | Reduced |
| Nuveen, LLC | 420,059 | $34.2M | 0.01% | +103,120+32.5% | Added |
| Goldman Sachs Group Inc | 403,179 | $32.9M | 0.00% | +262,236+186.1% | Added |
| Driehaus Capital Management LLC | 370,151 | $30.2M | 0.17% | +1,015+0.3% | Added |
| Charles Schwab Investment Management Inc | 354,188 | $28.9M | 0.00% | −6,015−1.7% | Reduced |
| Morgan Stanley | 314,778 | $25.7M | 0.00% | +21,197+7.2% | Added |
| S Squared Technology, LLC | 288,120 | $23.5M | 7.29% | −7,983−2.7% | Reduced |
| Northern Trust Corp | 284,562 | $23.2M | 0.00% | +17,611+6.6% | Added |
| First Trust Advisors LP | 224,792 | $18.3M | 0.01% | +131,922+142.1% | Added |
| JPMorgan Chase & Co | 224,717 | $17.9M | 0.00% | +137,138+156.6% | Added |
| D. E. Shaw & Co., Inc. | 211,366 | $17.2M | 0.01% | −14,285−6.3% | Reduced |
| Nordea Investment Management AB | 203,883 | $16.5M | 0.01% | −10,498−4.9% | Reduced |
| Hillsdale Investment Management Inc. | 191,594 | $15.6M | 0.36% | +17,210+9.9% | Added |
| Jupiter Asset Management Ltd | 188,539 | $15.4M | 0.08% | −6,293−3.2% | Reduced |
| Panagora Asset Management Inc | 180,713 | $14.7M | 0.05% | +6,015+3.4% | Added |
| Vanguard Fiduciary Trust Co | 157,987 | $12.9M | 0.00% | +4,406+2.9% | Added |
| Bank of New York Mellon Corp | 143,782 | $11.7M | 0.00% | +3,865+2.8% | Added |
| Jane Street Group, LLC | 143,527 | $11.7M | 0.01% | +86,172+150.2% | Added |
| Principal Financial Group Inc | 135,136 | $11.0M | 0.01% | +1,523+1.1% | Added |
| Bank of America Corp | 125,997 | $10.3M | 0.00% | −3,116−2.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 120,473 | $9.82M | 0.02% | −5,037−4.0% | Reduced |
| Gagnon Securities LLC | 116,283 | $9.48M | 1.83% | +5,394+4.9% | Added |
| Rice Hall James & Associates, LLC | 108,964 | $8.88M | 0.43% | −4,625−4.1% | Reduced |
| Rubric Capital Management LP | 108,692 | $8.86M | 0.08% | −377,708−77.7% | Reduced |
| Invesco Ltd. | 108,421 | $8.84M | 0.00% | +19,845+22.4% | Added |
| Acadian Asset Management LLC | 99,186 | $8.08M | 0.01% | +74,689+304.9% | Added |
| UBS Group AG | 97,304 | $7.93M | 0.00% | −71,446−42.3% | Reduced |
| Public Sector Pension Investment Board | 95,645 | $7.80M | 0.02% | −9,915−9.4% | Reduced |
| Millennium Management LLC | 92,960 | $7.58M | 0.01% | +67,131+259.9% | Added |
| Citadel Advisors LLC | 88,625 | $7.22M | 0.00% | +44,107+99.1% | Added |
| American Century Companies Inc | 79,056 | $6.44M | 0.00% | +214+0.3% | Added |
| Ameriprise Financial Inc | 69,786 | $5.69M | 0.00% | +11,247+19.2% | Added |
| Edgestream Partners, L.P. | 65,799 | $5.36M | 0.16% | +46,784+246.0% | Added |
| UBS Asset Management Americas Inc | 65,044 | $5.30M | 0.00% | −697−1.1% | Reduced |
| EAM Investors, LLC | 64,803 | $5.28M | 0.47% | −1,020−1.5% | Reduced |
| Rhumbline Advisers | 57,970 | $4.73M | 0.00% | −7,144−11.0% | Reduced |
| Legal & General Group Plc | 56,739 | $4.62M | 0.00% | −1,662−2.8% | Reduced |
| Roubaix Capital, LLC | 55,415 | $4.52M | 1.62% | +55,415 | New |
| Franklin Resources Inc | 55,096 | $4.49M | 0.00% | −1,863−3.3% | Reduced |
| AQR Capital Management LLC | 53,319 | $4.35M | 0.00% | −1,798−3.3% | Reduced |
| Zacks Investment Management | 52,989 | $4.32M | 0.03% | +5,403+11.4% | Added |
| Swiss National Bank | 47,700 | $3.89M | 0.00% | +600+1.3% | Added |
| Intech Investment Management LLC | 45,776 | $3.73M | 0.03% | +6,805+17.5% | Added |
| Campbell & CO Investment Adviser LLC | 42,798 | $3.49M | 0.18% | +27,610+181.8% | Added |
| Hussman Strategic Advisors, Inc. | 42,000 | $3.42M | 0.79% | −10,500−20.0% | Reduced |
| Price T Rowe Associates Inc | 39,013 | $3.18M | 0.00% | +5,844+17.6% | Added |
| AIMZ Investment Advisors, LLC | 38,728 | $3.16M | 0.87% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 37,033 | $3.02M | 0.00% | +4,644+14.3% | Added |
| Algert Global LLC | 36,695 | $2.99M | 0.04% | +30,370+480.2% | Added |
| BNP Paribas Arbitrage, SA | 36,457 | $2.97M | 0.00% | +23,866+189.5% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 35,418 | $2.89M | 0.02% | −10,286−22.5% | Reduced |
| Polen Capital Management LLC | 35,011 | $2.85M | 0.02% | −2,583−6.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 33,760 | $2.75M | 0.05% | +23,435+227.0% | Added |
| ExodusPoint Capital Management, LP | 33,683 | $2.75M | 0.03% | +33,683 | New |
| Quantinno Capital Management LP | 32,730 | $2.67M | 0.00% | +5,014+18.1% | Added |
| Federated Hermes, Inc. | 32,144 | $2.62M | 0.00% | +773+2.5% | Added |
| Citigroup Inc | 31,308 | $2.55M | 0.00% | +16,100+105.9% | Added |
| Kames Capital plc | 31,000 | $2.53M | 0.03% | +31,000 | New |
| Voya Investment Management LLC | 30,839 | $2.51M | 0.00% | +700+2.3% | Added |
| California State Teachers Retirement System | 27,044 | $2.20M | 0.00% | +4,077+17.8% | Added |
| Bridgeway Capital Management, LLC | 27,000 | $2.20M | 0.04% | +5,000+22.7% | Added |
| Engineers Gate Manager LP | 26,780 | $2.18M | 0.03% | +12,280+84.7% | Added |
| Thrivent Financial for Lutherans | 25,476 | $2.08M | 0.00% | +9,671+61.2% | Added |
| Deutsche Bank AG | 25,119 | $2.05M | 0.00% | −4,951−16.5% | Reduced |
| Wells Fargo & Company | 24,633 | $2.01M | 0.00% | +12,910+110.1% | Added |
| HSBC Holdings PLC | 24,699 | $2.00M | 0.00% | +9,321+60.6% | Added |
| Assenagon Asset Management S.A. | 24,476 | $2.00M | 0.00% | −22,300−47.7% | Reduced |
| SEI Investments Co | 24,075 | $1.96M | 0.00% | +15,256+173.0% | Added |
| HRT Financial LP | 21,965 | $1.79M | 0.00% | +3,884+21.5% | Added |
| Gilder Gagnon Howe & Co LLC | 21,274 | $1.73M | 0.02% | +70.0% | Added |
| Gabelli Funds LLC | 21,132 | $1.72M | 0.01% | 00.0% | Unchanged |
| Jackson Creek Investment Advisors LLC | 22,459 | $1.69M | 0.56% | +14,069+167.7% | Added |
| SG Capital Management LLC | 20,068 | $1.64M | 0.15% | +20,068 | New |
| Alliancebernstein L.P. | 27,640 | $1.58M | 0.00% | +6,900+33.3% | Added |
| Great West Life Assurance Co | 19,000 | $1.55M | 0.00% | −845−4.3% | Reduced |
| Teacher Retirement System of Texas | 18,885 | $1.54M | 0.00% | −2,035−9.7% | Reduced |
| Russell Investments Group, Ltd. | 18,166 | $1.48M | 0.00% | +12,462+218.5% | Added |
| Marshall Wace, LLP | 16,921 | $1.38M | 0.00% | −51,434−75.2% | Reduced |
| Vanguard Asset Management, Ltd | 16,856 | $1.37M | 0.00% | +2,194+15.0% | Added |
| Squarepoint Ops LLC | 16,439 | $1.34M | 0.00% | −24,881−60.2% | Reduced |
| State of Wyoming | 16,370 | $1.33M | 0.13% | +12,934+376.4% | Added |
| Captrust Financial Advisors | 15,935 | $1.30M | 0.00% | +135+0.9% | Added |
| Trexquant Investment LP | 14,219 | $1.16M | 0.01% | −54,469−79.3% | Reduced |
| MetLife Investment Management | 14,086 | $1.15M | 0.01% | +675+5.0% | Added |
| Marks Group Wealth Management, Inc | 13,991 | $1.14M | 0.10% | +1,939+16.1% | Added |
| SG Americas Securities, LLC | 13,311 | $1.08M | 0.00% | +6,882+107.0% | Added |
| Jump Financial, LLC | 13,194 | $1.08M | 0.01% | +13,194 | New |
| State of Tennessee, Treasury Department | 13,028 | $1.06M | 0.00% | −4,700−26.5% | Reduced |
| Haven Private, LLC | 12,966 | $1.06M | 0.40% | −749−5.5% | Reduced |