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, Q3 2021
Institutional positions in Proto Labs Inc as of Sep 30, 2021. 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
- 264
- −8 vs. Q2 2021
- Shares held
- 28.3M
- −627.4K (−2.2%) vs. Q2 2021
- Total value
- $1.89B
- −$767.5M (−28.9%) vs. Q2 2021
- New holders
- 36
- 87 more added
- Sold out
- 44
- 93 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 4,584,868 | $305.4M | 0.01% | +98,243+2.2% | Added |
| Vanguard Group Inc | 2,912,526 | $194.0M | 0.00% | +12,479+0.4% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 2,619,323 | $174.4M | 0.42% | −411,307−13.6% | Reduced |
| Nikko Asset Management Americas, Inc. | 1,958,029 | $130.6M | 0.56% | −128,794−6.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,958,029 | $130.4M | 0.08% | −128,468−6.2% | Reduced |
| Brown Capital Management LLC | 1,773,887 | $118.1M | 0.97% | −537,335−23.2% | Reduced |
| Disciplined Growth Investors Inc | 1,182,213 | $78.7M | 1.56% | +211,295+21.8% | Added |
| State Street Corp | 916,792 | $61.1M | 0.00% | +14,370+1.6% | Added |
| Riverbridge Partners LLC | 655,945 | $43.7M | 0.44% | +346+0.1% | Added |
| TimesSquare Capital Management, LLC | 575,645 | $38.3M | 0.33% | −97,725−14.5% | Reduced |
| Morgan Stanley | 491,378 | $32.7M | 0.00% | +120,996+32.7% | Added |
| Geode Capital Management, LLC | 462,755 | $30.8M | 0.00% | −8,720−1.8% | Reduced |
| Goldman Sachs Group Inc | 457,620 | $30.5M | 0.01% | −53,645−10.5% | Reduced |
| Northern Trust Corp | 435,285 | $29.0M | 0.01% | +88,346+25.5% | Added |
| Two Sigma Investments, LP | 403,464 | $26.9M | 0.07% | −7,374−1.8% | Reduced |
| Dimensional Fund Advisors LP | 315,346 | $21.0M | 0.01% | −19,879−5.9% | Reduced |
| Bank of New York Mellon Corp | 303,692 | $20.2M | 0.00% | +9,504+3.2% | Added |
| Two Sigma Advisers, LP | 294,200 | $19.6M | 0.05% | +98,400+50.3% | Added |
| Norges Bank | 284,443 | $18.9M | 0.00% | −24,193−7.8% | Reduced |
| D. E. Shaw & Co., Inc. | 275,839 | $18.4M | 0.02% | +103,333+59.9% | Added |
| Granite Investment Partners, LLC | 274,461 | $18.3M | 0.57% | +274,461 | New |
| New York State Common Retirement Fund | 223,923 | $14.9M | 0.02% | −142,308−38.9% | Reduced |
| Charles Schwab Investment Management Inc | 223,546 | $14.9M | 0.00% | −560.0% | Reduced |
| Citadel Advisors LLC | 220,678 | $14.7M | 0.02% | +89,952+68.8% | Added |
| Principal Financial Group Inc | 189,215 | $12.6M | 0.01% | −5,640−2.9% | Reduced |
| Mairs & Power Inc | 183,598 | $12.2M | 0.12% | −60,482−24.8% | Reduced |
| Bank of America Corp | 156,448 | $10.4M | 0.00% | +25,593+19.6% | Added |
| Ameriprise Financial Inc | 149,476 | $9.96M | 0.00% | −13,911−8.5% | Reduced |
| Renaissance Technologies LLC | 132,300 | $8.81M | 0.01% | −29,083−18.0% | Reduced |
| Nuveen Asset Management, LLC | 130,576 | $8.70M | 0.00% | −10,402−7.4% | Reduced |
| Millennium Management LLC | 124,092 | $8.27M | 0.01% | +84,697+215.0% | Added |
| Capital Investment Services of America, Inc. | 110,441 | $7.36M | 0.70% | +4,090+3.8% | Added |
| Voloridge Investment Management, LLC | 101,460 | $6.76M | 0.04% | +77,892+330.5% | Added |
| Assenagon Asset Management S.A. | 97,060 | $6.46M | 0.03% | +97,060 | New |
| American Capital Management Inc | 91,224 | $6.08M | 0.16% | −9,626−9.5% | Reduced |
| Cubist Systematic Strategies, LLC | 85,591 | $5.70M | 0.07% | +48,563+131.2% | Added |
| Legal & General Group Plc | 79,989 | $5.33M | 0.00% | +7,990+11.1% | Added |
| Marshall Wace, LLP | 79,580 | $5.30M | 0.03% | +79,580 | New |
| Rhumbline Advisers | 74,727 | $4.98M | 0.01% | −10,302−12.1% | Reduced |
| Envestnet Asset Management Inc | 70,165 | $4.67M | 0.00% | −243−0.3% | Reduced |
| Natixis | 70,119 | $4.67M | 0.02% | +70,119 | New |
| Credit Suisse AG | 68,959 | $4.59M | 0.00% | −6,508−8.6% | Reduced |
| Scout Investments, Inc. | 68,768 | $4.58M | 0.07% | −751−1.1% | Reduced |
| Parametric Portfolio Associates LLC | 67,004 | $4.46M | 0.00% | −554−0.8% | Reduced |
| Swiss National Bank | 61,200 | $4.08M | 0.00% | +400+0.7% | Added |
| Invesco Ltd. | 59,626 | $3.97M | 0.00% | −17,090−22.3% | Reduced |
| Gagnon Securities LLC | 58,725 | $3.91M | 0.58% | −867−1.5% | Reduced |
| First Trust Advisors LP | 57,829 | $3.85M | 0.00% | +13,990+31.9% | Added |
| Holocene Advisors, LP | 56,950 | $3.79M | 0.02% | −13,579−19.3% | Reduced |
| Public Sector Pension Investment Board | 56,104 | $3.74M | 0.02% | −480−0.8% | Reduced |
| BNP Paribas Arbitrage, SA | 51,113 | $3.40M | 0.01% | +21,193+70.8% | Added |
| Alliancebernstein L.P. | 47,788 | $3.18M | 0.00% | −1,835−3.7% | Reduced |
| Granahan Investment Management Inc | 46,611 | $3.10M | 0.06% | +12,045+34.8% | Added |
| Occudo Quantitative Strategies LP | 43,196 | $2.88M | 0.34% | +11,640+36.9% | Added |
| State of New Jersey Common Pension Fund D | 37,910 | $2.52M | 0.01% | +11,848+45.5% | Added |
| Jane Street Group, LLC | 37,874 | $2.52M | 0.01% | +2,979+8.5% | Added |
| California State Teachers Retirement System | 37,681 | $2.51M | 0.00% | −603−1.6% | Reduced |
| State of Wisconsin Investment Board | 37,350 | $2.49M | 0.01% | −1,800−4.6% | Reduced |
| SG Americas Securities, LLC | 34,467 | $2.30M | 0.01% | +12,622+57.8% | Added |
| Prudential Financial Inc | 30,081 | $2.28M | 0.00% | −276−0.9% | Reduced |
| Royal Bank of Canada | 34,205 | $2.28M | 0.00% | +5,503+19.2% | Added |
| Oppenheimer Asset Management Inc. | 33,851 | $2.25M | 0.03% | +300+0.9% | Added |
| Alps Advisors Inc | 33,167 | $2.21M | 0.02% | +7,320+28.3% | Added |
| UBS Asset Management Americas Inc | 31,598 | $2.10M | 0.00% | +4,973+18.7% | Added |
| Engineers Gate Manager LP | 30,815 | $2.05M | 0.12% | +15,938+107.1% | Added |
| Jump Financial, LLC | 30,637 | $2.04M | 0.15% | +21,252+226.4% | Added |
| Quadrature Capital Ltd | 30,377 | $2.02M | 0.07% | −14,288−32.0% | Reduced |
| Citigroup Inc | 30,350 | $2.02M | 0.00% | −14,695−32.6% | Reduced |
| SEI Investments Co | 29,829 | $1.99M | 0.00% | −4,822−13.9% | Reduced |
| Victory Capital Management Inc | 29,155 | $1.94M | 0.00% | +26,494+995.6% | Added |
| Blair William & Co | 28,894 | $1.92M | 0.01% | −26,798−48.1% | Reduced |
| Barclays PLC | 28,586 | $1.90M | 0.00% | +9,770+51.9% | Added |
| Comerica Bank | 25,567 | $1.83M | 0.01% | −817−3.1% | Reduced |
| Duality Advisers, LP | 27,300 | $1.82M | 0.14% | +19,113+233.5% | Added |
| Squarepoint Ops LLC | 26,691 | $1.78M | 0.01% | +19,470+269.6% | Added |
| Deutsche Bank AG | 26,030 | $1.73M | 0.00% | −3,035−10.4% | Reduced |
| Susquehanna International Group, LLP | 25,332 | $1.69M | 0.00% | −13,506−34.8% | Reduced |
| New York State Teachers Retirement System | 24,945 | $1.66M | 0.00% | 00.0% | Unchanged |
| Man Group plc | 24,058 | $1.60M | 0.01% | −1,963−7.5% | Reduced |
| Storebrand Asset Management AS | 24,036 | $1.60M | 0.01% | −147,027−85.9% | Reduced |
| Great West Life Assurance Co | 23,774 | $1.59M | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 23,383 | $1.56M | 0.00% | −93−0.4% | Reduced |
| HRT Financial LP | 23,348 | $1.55M | 0.01% | +23,348 | New |
| US Bancorp | 22,471 | $1.50M | 0.00% | +452+2.1% | Added |
| Thrivent Financial for Lutherans | 22,439 | $1.49M | 0.00% | −198−0.9% | Reduced |
| Aviva PLC | 22,020 | $1.47M | 0.01% | +22,020 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 21,049 | $1.40M | 0.02% | −201−0.9% | Reduced |
| M&G Investment Management Ltd | 20,824 | $1.40M | 0.00% | +5,300+34.1% | Added |
| Texas Permanent School Fund | 20,536 | $1.37M | 0.02% | −99−0.5% | Reduced |
| Bender Robert & Associates | 20,385 | $1.36M | 0.39% | −3,015−12.9% | Reduced |
| State of Alaska, Department of Revenue | 20,254 | $1.35M | 0.01% | +1,074+5.6% | Added |
| Wells Fargo & Company | 19,355 | $1.29M | 0.00% | +661+3.5% | Added |
| Ensign Peak Advisors, Inc | 18,952 | $1.26M | 0.00% | 00.0% | Unchanged |
| Segall Bryant & Hamill, LLC | 17,576 | $1.17M | 0.01% | +483+2.8% | Added |
| American International Group, Inc. | 17,440 | $1.16M | 0.01% | −598−3.3% | Reduced |
| Russell Investments Group, Ltd. | 17,228 | $1.15M | 0.00% | +6,936+67.4% | Added |
| JPMorgan Chase & Co | 16,966 | $1.13M | 0.00% | −4,910−22.4% | Reduced |
| Simplex Trading, LLC | 11,695 | $1.08M | 0.04% | −13−0.1% | Reduced |
| LPL Financial LLC | 16,060 | $1.07M | 0.00% | −5,891−26.8% | Reduced |
| Walleye Capital LLC | 15,434 | $1.03M | 0.03% | +11,719+315.5% | Added |