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 2024
Institutional positions in Proto Labs Inc as of Mar 31, 2024. 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
- 203
- −15 vs. Q4 2023
- Shares held
- 21.7M
- −46.3K (−0.2%) vs. Q4 2023
- Total value
- $774.1M
- −$71.4M (−8.4%) vs. Q4 2023
- New holders
- 25
- 60 more added
- Sold out
- 40
- 75 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Disciplined Growth Investors Inc | 1,909,839 | $68.3M | 1.25% | +170,201+9.8% | Added |
| Vanguard Group Inc | 2,980,157 | $106.5M | 0.00% | +57,894+2.0% | Added |
| BlackRock Inc. | 4,418,827 | $158.0M | 0.00% | −53,243−1.2% | Reduced |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −206,976−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −31,418−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −29,016−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −28,335−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −26,171−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −21,317−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −20,880−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −19,699−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −15,459−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −14,800−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −13,864−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −13,268−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −11,318−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −10,568−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −10,391−100.0% | Sold out |
| Monticello Wealth Management, LLC | 0 | $0 | 0.00% | −9,904−100.0% | Sold out |
| SG Capital Management LLC | 0 | $0 | 0.00% | −8,689−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −8,563−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −8,329−100.0% | Sold out |
| Petrus Trust Company, LTA | 0 | $0 | 0.00% | −7,177−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −7,046−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −6,295−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −5,611−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −5,695−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −5,573−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −5,564−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −5,469−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −5,195−100.0% | Sold out |
| Tradition Wealth Management, LLC | 0 | $0 | 0.00% | −4,192−100.0% | Sold out |
| Householder Group Estate & Retirement Specialist, LLC | 0 | $0 | 0.00% | −3,718−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −1,381−100.0% | Sold out |
| Capital Analysts, LLC | 0 | $0 | 0.00% | −640−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| HHM Wealth Advisors, LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| ORG Partners LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Brown Brothers Harriman & Co | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Putnam Investments LLC | – | – | – | – | Not filed |