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 2023
Institutional positions in Proto Labs Inc as of Mar 31, 2023. 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
- 199
- +2 vs. Q4 2022
- Shares held
- 22.5M
- −759.2K (−3.3%) vs. Q4 2022
- Total value
- $745.6M
- +$152.1M (+25.6%) vs. Q4 2022
- New holders
- 30
- 55 more added
- Sold out
- 28
- 67 more reduced
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nikko Asset Management Americas, Inc. | 0 | $0 | 0.00% | −467,018−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −51,328−100.0% | Sold out |
| Cornercap Investment Counsel Inc | 0 | $0 | 0.00% | −41,783−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −40,188−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −27,904−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −25,529−100.0% | Sold out |
| Mairs & Power Inc | 0 | $0 | 0.00% | −21,572−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −17,700−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −16,984−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −15,198−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −11,577−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −11,282−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −11,250−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −9,035−100.0% | Sold out |
| Davy Global Fund Management Ltd | 0 | $0 | 0.00% | −8,710−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −8,070−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −3,906−100.0% | Sold out |
| Gladius Capital Management LP | 0 | $0 | 0.00% | −1,386−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −138−100.0% | Sold out |
| Accurate Wealth Management, LLC | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Madden Securities Corp | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Benjamin F. Edwards & Company, Inc. | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −97−100.0% | Sold out |
| Comerica Bank | – | – | – | – | Not filed |
| Heritage Wealth Management, LLC | – | – | – | – | Not filed |