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, Q4 2025
Institutional positions in Proto Labs Inc as of Dec 31, 2025. 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
- 234
- +22 vs. Q3 2025
- Shares held
- 21.8M
- +23.8K (+0.1%) vs. Q3 2025
- Total value
- $1.10B
- +$13.7M (+1.3%) vs. Q3 2025
- New holders
- 44
- 78 more added
- Sold out
- 22
- 72 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Public Sector Pension Investment Board | 110,351 | $5.58M | 0.02% | −2,661−2.4% | Reduced |
| Jane Street Group, LLC | 110,595 | $5.59M | 0.01% | +45,505+69.9% | Added |
| Gagnon Securities LLC | 111,548 | $5.64M | 1.15% | +2,799+2.6% | Added |
| Bridgeway Capital Management, LLC | 113,876 | $5.76M | 0.12% | +4,335+4.0% | Added |
| Rice Hall James & Associates, LLC | 114,563 | $5.80M | 0.32% | −7,419−6.1% | Reduced |
| JPMorgan Chase & Co | 118,635 | $6.00M | 0.00% | +31,296+35.8% | Added |
| FMR LLC | 122,100 | $6.18M | 0.00% | +21,904+21.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 130,767 | $6.62M | 0.02% | −16,270−11.1% | Reduced |
| Principal Financial Group Inc | 136,670 | $6.91M | 0.00% | +5,668+4.3% | Added |
| Bank of New York Mellon Corp | 142,995 | $7.23M | 0.00% | −5,072−3.4% | Reduced |
| Goldman Sachs Group Inc | 160,604 | $8.12M | 0.00% | +16,204+11.2% | Added |
| Hillsdale Investment Management Inc. | 168,284 | $8.51M | 0.23% | −1,300−0.8% | Reduced |
| UBS Group AG | 175,416 | $8.87M | 0.00% | −1,464−0.8% | Reduced |
| Panagora Asset Management Inc | 175,585 | $8.88M | 0.03% | +7,190+4.3% | Added |
| Prudential Financial Inc | 182,826 | $9.25M | 0.01% | +105,357+136.0% | Added |
| Jupiter Asset Management Ltd | 194,832 | $9.86M | 0.08% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 212,868 | $10.8M | 0.01% | −144,295−40.4% | Reduced |
| Nordea Investment Management AB | 224,439 | $11.5M | 0.01% | −32,816−12.8% | Reduced |
| Northern Trust Corp | 256,268 | $13.0M | 0.00% | −22,473−8.1% | Reduced |
| Morgan Stanley | 305,612 | $15.5M | 0.00% | −385−0.1% | Reduced |
| S Squared Technology, LLC | 306,103 | $15.5M | 6.00% | −5,000−1.6% | Reduced |
| Nuveen, LLC | 325,750 | $16.5M | 0.00% | −4,240−1.3% | Reduced |
| Charles Schwab Investment Management Inc | 363,013 | $18.4M | 0.00% | +31,585+9.5% | Added |
| Driehaus Capital Management LLC | 382,155 | $19.3M | 0.13% | +382,155 | New |
| Arrowstreet Capital, Limited Partnership | 460,618 | $23.3M | 0.01% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 493,551 | $25.0M | 0.04% | −50,100−9.2% | Reduced |
| Geode Capital Management, LLC | 558,300 | $28.2M | 0.00% | −8,736−1.5% | Reduced |
| American Capital Management Inc | 631,311 | $31.9M | 1.41% | +352,015+126.0% | Added |
| State Street Corp | 1,088,206 | $55.1M | 0.00% | −87,094−7.4% | Reduced |
| Rubric Capital Management LP | 1,123,338 | $56.8M | 0.68% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 1,276,561 | $64.6M | 0.01% | −29,806−2.3% | Reduced |
| Vanguard Group Inc | 2,666,227 | $134.9M | 0.00% | −78,750−2.9% | Reduced |
| Disciplined Growth Investors Inc | 2,673,729 | $135.3M | 2.59% | +81,356+3.1% | Added |
| BlackRock, Inc. | 3,619,004 | $183.1M | 0.00% | −2,675−0.1% | Reduced |
| SG Capital Management LLC | 0 | $0 | 0.00% | −113,587−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −108,541−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −42,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −26,616−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −8,178−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −8,096−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −7,370−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −6,027−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −6,000−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −5,471−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −4,026−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −1,281−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −267−100.0% | Sold out |
| CNB Bank | 0 | $0 | 0.00% | −205−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −64−100.0% | Sold out |
| Silver Oak Securities, Inc | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Atlantic Trust, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Shell Asset Management Co | – | – | – | – | Not filed |