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, Q1 2026
Institutional positions in Proto Labs Inc as of Mar 31, 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
- 263
- +33 vs. Q4 2025
- Shares held
- 22.1M
- +3.00M (+15.7%) vs. Q4 2025
- Total value
- $1.26B
- +$293.1M (+30.3%) vs. Q4 2025
- New holders
- 53
- 75 more added
- Sold out
- 20
- 80 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 | $866.4M |
| Q1 2025 | 188 | $764.5M |
| Q4 2024 | 199 | $837.2M |
| Q3 2024 | 193 | $634.3M |
| Q2 2024 | 204 | $662.3M |
| Q1 2024 | 203 | $774.1M |
| Q4 2023 | 219 | $845.8M |
| Q3 2023 | 185 | $571.4M |
| Q2 2023 | 193 | $775.6M |
| Q1 2023 | 199 | $745.6M |
| Q4 2022 | 199 | $593.9M |
| Q3 2022 | 210 | $881.5M |
| Q2 2022 | 227 | $1.16B |
| 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, Q1 2026
Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MetLife Investment Management | 13,411 | $764.7K | 0.00% | −126−0.9% | Reduced |
| KLP Kapitalforvaltning AS | 13,400 | $764.1K | 0.00% | +8,300+162.7% | Added |
| STRS Ohio | 13,200 | $752.7K | 0.00% | −800−5.7% | Reduced |
| Royal Bank of Canada | 13,059 | $745.0K | 0.00% | −3,568−21.5% | Reduced |
| State of Alaska, Department of Revenue | 13,008 | $741.0K | 0.01% | −272−2.0% | Reduced |
| Illinois Municipal Retirement Fund | 12,871 | $733.9K | 0.01% | +300+2.4% | Added |
| Summit Global Investments | 12,720 | $725.0K | 0.04% | +3,370+36.0% | Added |
| BNP Paribas Arbitrage, SA | 12,591 | $717.9K | 0.00% | +4,476+55.2% | Added |
| Two Sigma Investments, LP | 12,200 | $695.6K | 0.00% | +12,200 | New |
| Janus Henderson Group PLC | 12,160 | $692.9K | 0.00% | −68−0.6% | Reduced |
| Legato Capital Management LLC | 12,113 | $690.7K | 0.06% | +12,113 | New |
| Horizon Investments, LLC | 12,111 | $690.6K | 0.01% | +225+1.9% | Added |
| Susquehanna International Group, LLP | 12,060 | $687.7K | 0.00% | +12,060 | New |
| Marks Group Wealth Management, Inc | 12,052 | $687.2K | 0.07% | 00.0% | Unchanged |
| Diversified Trust Co | 11,795 | $672.5K | 0.01% | +1,300+12.4% | Added |
| Wells Fargo & Company | 11,723 | $668.4K | 0.00% | −18,251−60.9% | Reduced |
| New York State Teachers Retirement System | 11,536 | $658.0K | 0.00% | −11,952−50.9% | Reduced |
| Creative Planning | 11,509 | $656.2K | 0.00% | +2,315+25.2% | Added |
| Round Rock Advisors, LLC | 11,219 | $639.7K | 0.10% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 11,156 | $636.1K | 0.00% | −1,351−10.8% | Reduced |
| Gotham Asset Management, LLC | 10,973 | $625.7K | 0.00% | −197−1.8% | Reduced |
| State of Wisconsin Investment Board | 10,840 | $618.1K | 0.00% | −2,419−18.2% | Reduced |
| Simplex Trading, LLC | 10,779 | $614.6K | 0.02% | +10,779 | New |
| CI Private Wealth, LLC | 10,704 | $610.3K | 0.00% | +10,704 | New |
| Louisiana State Employees Retirement System | 10,500 | $598.7K | 0.01% | −300−2.8% | Reduced |
| Vanguard Global Advisers, LLC | 10,439 | $595.2K | 0.00% | +10,439 | New |
| Susquehanna Fundamental Investments, LLC | 10,325 | $588.7K | 0.02% | +10,325 | New |
| RBF Capital, LLC | 10,000 | $570.2K | 0.03% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 9,700 | $553.1K | 0.00% | −3,000−23.6% | Reduced |
| Truvestments Capital LLC | 9,699 | $553.0K | 0.10% | −1,407−12.7% | Reduced |
| Manufacturers Life Insurance Company, The | 9,537 | $543.8K | 0.00% | −405−4.1% | Reduced |
| Allianz Asset Management GmbH | 9,115 | $519.7K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 8,819 | $502.9K | 0.00% | +8,819 | New |
| Jackson Creek Investment Advisors LLC | 8,390 | $478.0K | 0.14% | −15−0.2% | Reduced |
| Argos Wealth Advisors, LLC | 8,173 | $466.0K | 0.13% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,046 | $458.8K | 0.00% | +2,590+47.5% | Added |
| New York State Common Retirement Fund | 7,888 | $449.8K | 0.00% | +369+4.9% | Added |
| Bridgewater Associates, LP | 7,690 | $438.5K | 0.00% | +7,690 | New |
| Winton Group Ltd | 7,564 | $431.3K | 0.02% | +7,564 | New |
| State Board of Administration of Florida Retirement System | 7,559 | $431.0K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 7,233 | $412.0K | 0.00% | −617−7.9% | Reduced |
| Mercer Global Advisors Inc | 6,966 | $397.2K | 0.00% | +1,076+18.3% | Added |
| Independent Financial Group, LLC | 6,915 | $394.3K | 0.01% | +6,915 | New |
| Amalgamated Bank | 6,822 | $389.0K | 0.00% | −110−1.6% | Reduced |
| Ieq Capital, LLC | 6,788 | $387.1K | 0.00% | +633+10.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 6,624 | $377.7K | 0.00% | +616+10.3% | Added |
| Arizona State Retirement System | 6,503 | $370.8K | 0.00% | −150−2.3% | Reduced |
| SG Americas Securities, LLC | 6,429 | $367.0K | 0.00% | −23,726−78.7% | Reduced |
| Yousif Capital Management, LLC | 6,359 | $362.6K | 0.00% | −131−2.0% | Reduced |
| Algert Global LLC | 6,325 | $360.7K | 0.01% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 6,120 | $349.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 5,856 | $333.9K | 0.00% | −6−0.1% | Reduced |
| Russell Investments Group, Ltd. | 5,704 | $325.2K | 0.00% | +3,433+151.2% | Added |
| Pacer Advisors, Inc. | 5,653 | $322.0K | 0.00% | +2,407+74.2% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 5,640 | $321.6K | 0.00% | +5,640 | New |
| Oregon Public Employees Retirement Fund | 5,457 | $311.2K | 0.00% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 5,397 | $307.7K | 0.00% | +5,397 | New |
| Quadrant Capital Group LLC | 5,286 | $301.4K | 0.01% | 00.0% | Unchanged |
| Barclays PLC | 5,269 | $300.4K | 0.00% | −32,880−86.2% | Reduced |
| Cornerstone Investment Partners, LLC | 5,235 | $298.5K | 0.01% | +1,190+29.4% | Added |
| Fifth Third Bancorp | 5,129 | $292.5K | 0.00% | +4,988+3,537.6% | Added |
| Man Group plc | 5,114 | $291.6K | 0.00% | +5,114 | New |
| Mariner, LLC | 5,094 | $290.4K | 0.00% | +567+12.5% | Added |
| Centiva Capital, LP | 5,064 | $288.7K | 0.01% | +5,064 | New |
| Steward Partners Investment Advisory, LLC | 5,000 | $285.1K | 0.00% | −3,000−37.5% | Reduced |
| Leonteq Securities AG | 5,000 | $285.1K | 0.02% | 00.0% | Unchanged |
| Raymond James Financial Inc | 4,874 | $277.9K | 0.00% | +223+4.8% | Added |
| Schonfeld Strategic Advisors LLC | 4,794 | $273.4K | 0.00% | +4,794 | New |
| Quadrature Capital Ltd | 4,611 | $262.9K | 0.00% | +4,611 | New |
| Cerity Partners LLC | 4,588 | $261.6K | 0.00% | +367+8.7% | Added |
| Auto-Owners Insurance Co | 4,500 | $256.6K | 0.01% | 00.0% | Unchanged |
| Angeles Wealth Management, LLC | 4,490 | $256.0K | 0.01% | +4,490 | New |
| Dynamic Technology Lab Private Ltd | 4,380 | $249.7K | 0.04% | +4,380 | New |
| Mirabella Financial Services LLP | 4,296 | $245.0K | 0.02% | +4,296 | New |
| Bank of Montreal | 4,216 | $240.4K | 0.00% | +232+5.8% | Added |
| NBC Securities, Inc. | 4,006 | $228.4K | 0.02% | +3,100+342.2% | Added |
| LPL Financial LLC | 3,934 | $224.3K | 0.00% | +3,934 | New |
| Prelude Capital Management, LLC | 3,906 | $222.7K | 0.02% | −1,436−26.9% | Reduced |
| Public Employees Retirement Association of Colorado | 3,847 | $219.0K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 3,774 | $215.2K | 0.00% | +3,774 | New |
| ProShare Advisors LLC | 3,702 | $211.1K | 0.00% | −924−20.0% | Reduced |
| Victory Capital Management Inc | 3,699 | $210.9K | 0.00% | +3,699 | New |
| HighTower Advisors, LLC | 3,611 | $205.9K | 0.00% | +3,611 | New |
| CWM, LLC | 3,486 | $198.8K | 0.00% | +265+8.2% | Added |
| State of Wyoming | 3,436 | $195.9K | 0.02% | −3,818−52.6% | Reduced |
| LSV Asset Management | 3,400 | $194.0K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 2,960 | $168.8K | 0.00% | +2,960 | New |
| Ameritas Investment Partners, Inc. | 1,988 | $113.4K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 1,958 | $111.6K | 0.00% | +14+0.7% | Added |
| Nisa Investment Advisors, LLC | 1,827 | $104.2K | 0.00% | +41+2.3% | Added |
| Advisor Group Holdings, Inc. | 1,219 | $69.5K | 0.00% | −63−4.9% | Reduced |
| GAMMA Investing LLC | 1,177 | $67.1K | 0.00% | +1+0.1% | Added |
| Jones Financial Companies LLLP | 989 | $55.4K | 0.00% | +200+25.3% | Added |
| USA Financial Portformulas Corp | 917 | $52.3K | 0.01% | +917 | New |
| Tower Research Capital LLC (TRC) | 911 | $51.9K | 0.00% | −2,229−71.0% | Reduced |
| Sterling Capital Management LLC | 789 | $45.0K | 0.00% | −583−42.5% | Reduced |
| Rockefeller Capital Management L.P. | 668 | $38.1K | 0.00% | +427+177.2% | Added |
| Farther Finance Advisors, LLC | 610 | $35.5K | 0.00% | +10+1.7% | Added |
| GWM Advisors LLC | 548 | $31.2K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 547 | $31.2K | 0.00% | +39+7.7% | Added |