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
- +384.1K (+1.7%) vs. Q1 2026
- Total value
- $1.83B
- +$570.5M (+45.3%) 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 |
|---|---|---|---|---|---|
| Mangrove Partners | 3,136 | $255.6K | 0.02% | +3,136 | New |
| Cetera Investment Advisers | 3,305 | $269.4K | 0.00% | +3,305 | New |
| LSV Asset Management | 3,400 | $277.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 3,438 | $280.2K | 0.00% | −264−7.1% | Reduced |
| Susquehanna International Group, LLP | 3,446 | $280.9K | 0.00% | −8,614−71.4% | Reduced |
| Maryland State Retirement & Pension System | 3,463 | $282.3K | 0.00% | +3,463 | New |
| Winton Group Ltd | 3,537 | $288.3K | 0.01% | −4,027−53.2% | Reduced |
| Summit Global Investments | 3,574 | $291.0K | 0.02% | −9,146−71.9% | Reduced |
| Victory Capital Management Inc | 3,730 | $304.0K | 0.00% | +31+0.8% | Added |
| Ethic Inc. | 3,768 | $307.1K | 0.00% | +3,768 | New |
| Public Employees Retirement Association of Colorado | 3,847 | $314.0K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 3,993 | $325.5K | 0.02% | −13−0.3% | Reduced |
| Cerity Partners LLC | 4,181 | $340.8K | 0.00% | −407−8.9% | Reduced |
| Auto-Owners Insurance Co | 4,500 | $366.8K | 0.01% | 00.0% | Unchanged |
| Bank of Montreal | 4,535 | $369.6K | 0.00% | +319+7.6% | Added |
| Axxcess Wealth Management, LLC | 4,794 | $390.8K | 0.01% | +4,794 | New |
| Turner Financial Group, Inc. | 4,843 | $394.7K | 0.39% | +4,843 | New |
| Raymond James Financial Inc | 4,846 | $395.0K | 0.00% | −28−0.6% | Reduced |
| Cornerstone Investment Partners, LLC | 4,997 | $407.3K | 0.01% | −238−4.5% | Reduced |
| Fifth Third Bancorp | 5,040 | $410.8K | 0.00% | −89−1.7% | Reduced |
| Angeles Wealth Management, LLC | 5,045 | $411.2K | 0.02% | +555+12.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 5,082 | $414.2K | 0.00% | −558−9.9% | Reduced |
| KLP Kapitalforvaltning AS | 5,100 | $415.7K | 0.00% | −8,300−61.9% | Reduced |
| Quadrant Capital Group LLC | 5,286 | $430.9K | 0.01% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 5,397 | $439.9K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 5,410 | $441.0K | 0.00% | −47−0.9% | Reduced |
| Janney Montgomery Scott LLC | 5,452 | $444.0K | 0.00% | −1,781−24.6% | Reduced |
| Guggenheim Capital LLC | 5,617 | $457.8K | 0.00% | +5,617 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 5,642 | $459.9K | 0.00% | −214−3.7% | Reduced |
| CenterBook Partners LP | 5,880 | $479.3K | 0.02% | +5,880 | New |
| Teachers Retirement System of the State of Kentucky | 5,920 | $483.0K | 0.00% | −200−3.3% | Reduced |
| LPL Financial LLC | 6,205 | $505.8K | 0.00% | +2,271+57.7% | Added |
| Yousif Capital Management, LLC | 6,360 | $518.4K | 0.01% | +10.0% | Added |
| Amalgamated Bank | 6,399 | $522.0K | 0.00% | −423−6.2% | Reduced |
| Arizona State Retirement System | 6,560 | $534.7K | 0.00% | +57+0.9% | Added |
| Jag Capital Management, LLC | 6,832 | $556.9K | 0.05% | +6,832 | New |
| Gabelli & Co Investment Advisers, Inc. | 7,000 | $570.6K | 0.08% | −7,500−51.7% | Reduced |
| Lazard Asset Management LLC | 7,086 | $577.6K | 0.00% | −92,247−92.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,186 | $585.7K | 0.00% | +562+8.5% | Added |
| Allianz Asset Management GmbH | 7,523 | $613.2K | 0.00% | −1,592−17.5% | Reduced |
| Argos Wealth Advisors, LLC | 7,976 | $650.1K | 0.17% | −197−2.4% | Reduced |
| Perpetual Ltd | 8,006 | $652.6K | 0.01% | +8,006 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,046 | $655.8K | 0.00% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 8,490 | $692.0K | 0.04% | −5,758−40.4% | Reduced |
| Mercer Global Advisors Inc | 9,101 | $741.9K | 0.00% | +2,135+30.6% | Added |
| State of Alaska, Department of Revenue | 9,155 | $745.0K | 0.01% | −3,853−29.6% | Reduced |
| Manufacturers Life Insurance Company, The | 9,335 | $760.9K | 0.00% | −202−2.1% | Reduced |
| New York State Common Retirement Fund | 9,469 | $771.8K | 0.00% | +1,581+20.0% | Added |
| Canada Pension Plan Investment Board | 9,500 | $774.3K | 0.00% | −200−2.1% | Reduced |
| Truvestments Capital LLC | 9,854 | $803.2K | 0.12% | +155+1.6% | Added |
| Gotham Asset Management, LLC | 9,864 | $804.0K | 0.00% | −1,109−10.1% | Reduced |
| Vanguard Global Advisers, LLC | 9,930 | $809.4K | 0.00% | −509−4.9% | Reduced |
| RBF Capital, LLC | 10,000 | $815.1K | 0.03% | 00.0% | Unchanged |
| Militia Capital Management LLC | 10,000 | $815.1K | 0.15% | +10,000 | New |
| State Board of Administration of Florida Retirement System | 10,302 | $839.7K | 0.00% | +2,743+36.3% | Added |
| Alps Advisors Inc | 10,360 | $844.4K | 0.00% | −3,800−26.8% | Reduced |
| Louisiana State Employees Retirement System | 10,400 | $847.7K | 0.01% | −100−1.0% | Reduced |
| Pacer Advisors, Inc. | 10,441 | $851.0K | 0.00% | +4,788+84.7% | Added |
| Gsa Capital Partners LLP | 10,603 | $864.0K | 0.05% | −36,357−77.4% | Reduced |
| Jefferies Financial Group Inc. | 10,710 | $873.0K | 0.01% | +10,710 | New |
| Toroso Investments, LLC | 10,865 | $885.6K | 0.00% | −4,693−30.2% | Reduced |
| Barclays PLC | 10,871 | $886.1K | 0.00% | +5,602+106.3% | Added |
| Aquatic Capital Management LLC | 11,017 | $898.0K | 0.03% | +8,057+272.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 11,114 | $905.9K | 0.00% | −42−0.4% | Reduced |
| Round Rock Advisors, LLC | 11,219 | $914.5K | 0.12% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 11,225 | $915.0K | 0.00% | +385+3.6% | Added |
| New York State Teachers Retirement System | 11,683 | $952.0K | 0.00% | +147+1.3% | Added |
| Diversified Trust Co | 11,795 | $961.4K | 0.02% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 11,990 | $977.3K | 0.01% | +7,379+160.0% | Added |
| Jupiter Topco LLC | 12,216 | $996.4K | 0.00% | +12,216 | New |
| Assenagon Asset Management S.A. | 12,238 | $997.5K | 0.00% | −34,538−73.8% | Reduced |
| STRS Ohio | 12,300 | $1.00M | 0.00% | −900−6.8% | Reduced |
| Creative Planning | 12,369 | $1.01M | 0.00% | +860+7.5% | Added |
| CI Private Wealth, LLC | 12,427 | $1.01M | 0.00% | +1,723+16.1% | Added |
| Two Sigma Investments, LP | 12,734 | $1.04M | 0.00% | +534+4.4% | Added |
| Illinois Municipal Retirement Fund | 12,869 | $1.05M | 0.01% | −20.0% | Reduced |
| Bailard, Inc. | 12,881 | $1.05M | 0.02% | −1,100−7.9% | Reduced |
| Amundi | 12,941 | $1.05M | 0.00% | −1,141−8.1% | Reduced |
| Haven Private, LLC | 12,966 | $1.06M | 0.40% | −749−5.5% | Reduced |
| State of Tennessee, Treasury Department | 13,028 | $1.06M | 0.00% | −4,700−26.5% | Reduced |
| Jump Financial, LLC | 13,194 | $1.08M | 0.01% | +13,194 | New |
| SG Americas Securities, LLC | 13,311 | $1.08M | 0.00% | +6,882+107.0% | Added |
| Marks Group Wealth Management, Inc | 13,991 | $1.14M | 0.10% | +1,939+16.1% | Added |
| MetLife Investment Management | 14,086 | $1.15M | 0.01% | +675+5.0% | Added |
| Trexquant Investment LP | 14,219 | $1.16M | 0.01% | −54,469−79.3% | Reduced |
| Captrust Financial Advisors | 15,935 | $1.30M | 0.00% | +135+0.9% | Added |
| State of Wyoming | 16,370 | $1.33M | 0.13% | +12,934+376.4% | Added |
| Squarepoint Ops LLC | 16,439 | $1.34M | 0.00% | −24,881−60.2% | Reduced |
| Vanguard Asset Management, Ltd | 16,856 | $1.37M | 0.00% | +2,194+15.0% | Added |
| Marshall Wace, LLP | 16,921 | $1.38M | 0.00% | −51,434−75.2% | Reduced |
| Russell Investments Group, Ltd. | 18,166 | $1.48M | 0.00% | +12,462+218.5% | Added |
| Teacher Retirement System of Texas | 18,885 | $1.54M | 0.00% | −2,035−9.7% | Reduced |
| Great West Life Assurance Co | 19,000 | $1.55M | 0.00% | −845−4.3% | Reduced |
| Alliancebernstein L.P. | 27,640 | $1.58M | 0.00% | +6,900+33.3% | Added |
| SG Capital Management LLC | 20,068 | $1.64M | 0.15% | +20,068 | New |
| Jackson Creek Investment Advisors LLC | 22,459 | $1.69M | 0.56% | +14,069+167.7% | Added |
| Gabelli Funds LLC | 21,132 | $1.72M | 0.01% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 21,274 | $1.73M | 0.02% | +70.0% | Added |
| HRT Financial LP | 21,965 | $1.79M | 0.00% | +3,884+21.5% | Added |
| SEI Investments Co | 24,075 | $1.96M | 0.00% | +15,256+173.0% | Added |