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 2025
Institutional positions in Proto Labs Inc as of Mar 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
- 188
- −10 vs. Q4 2024
- Shares held
- 21.8M
- +479.8K (+2.2%) vs. Q4 2024
- Total value
- $764.5M
- −$69.8M (−8.4%) vs. Q4 2024
- New holders
- 25
- 60 more added
- Sold out
- 35
- 68 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −8,031−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −7,538−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −6,625−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −6,582−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −6,460−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −6,016−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −5,540−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −5,366−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −5,217−100.0% | Sold out |
| Modus Advisors, LLC | 0 | $0 | 0.00% | −2,233−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −1,585−100.0% | Sold out |
| Eukles Asset Management | 0 | $0 | 0.00% | −688−100.0% | Sold out |
| LGT Financial Advisors LLC | 0 | $0 | 0.00% | −318−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −259−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −168−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −88−100.0% | Sold out |
| Sunbelt Securities, Inc. | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| ORG Partners LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |