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 2025
Institutional positions in Proto Labs Inc as of Sep 30, 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
- 213
- +11 vs. Q2 2025
- Shares held
- 21.7M
- +106.8K (+0.5%) vs. Q2 2025
- Total value
- $1.09B
- +$221.4M (+25.5%) vs. Q2 2025
- New holders
- 33
- 67 more added
- Sold out
- 22
- 75 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| S Squared Technology, LLC | 311,103 | $15.6M | 5.92% | 00.0% | Unchanged |
| Nuveen, LLC | 329,990 | $16.5M | 0.00% | +148,170+81.5% | Added |
| Charles Schwab Investment Management Inc | 331,428 | $16.6M | 0.00% | +33,545+11.3% | Added |
| D. E. Shaw & Co., Inc. | 357,163 | $17.9M | 0.01% | −95,529−21.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 460,618 | $23.0M | 0.01% | +13,488+3.0% | Added |
| Renaissance Technologies LLC | 543,651 | $27.2M | 0.04% | +1,600+0.3% | Added |
| Geode Capital Management, LLC | 567,036 | $28.4M | 0.00% | +4,700+0.8% | Added |
| Rubric Capital Management LP | 1,123,338 | $56.2M | 0.75% | +89,167+8.6% | Added |
| State Street Corp | 1,175,300 | $58.8M | 0.00% | −11,143−0.9% | Reduced |
| Dimensional Fund Advisors LP | 1,306,367 | $65.4M | 0.01% | −9,561−0.7% | Reduced |
| Disciplined Growth Investors Inc | 2,592,373 | $129.7M | 2.35% | −129,638−4.8% | Reduced |
| Vanguard Group Inc | 2,744,977 | $137.3M | 0.00% | −27,890−1.0% | Reduced |
| BlackRock, Inc. | 3,621,679 | $181.2M | 0.00% | −30,853−0.8% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 0 | $0 | 0.00% | −165,520−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −68,614−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −26,108−100.0% | Sold out |
| Maryland State Retirement & Pension System | 0 | $0 | 0.00% | −6,986−100.0% | Sold out |
| Tradition Wealth Management, LLC | 0 | $0 | 0.00% | −6,243−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −6,176−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −6,162−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −5,969−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −3,139−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −2,799−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −2,624−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −1,134−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −521−100.0% | Sold out |
| CarsonAllaria Wealth Management, Ltd. | 0 | $0 | 0.00% | −276−100.0% | Sold out |
| South State Corp. | 0 | $0 | 0.00% | −262−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Bryn Mawr Trust Co | 0 | $0 | 0.00% | −173−100.0% | Sold out |
| Maseco LLP | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Total Investment Management Inc | 0 | $0 | 0.00% | −95−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| High Note Wealth, LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −22−100.0% | Sold out |