Proto Labs, Inc. (PRLB) Institutional Ownership & Insider Trading
276 institutions reported holding Proto Labs, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 14 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 2.0B
- P/E TTM
- 68.5
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 29 Oct, in 5 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters276 institutions held 93.9% of the shares. Across filers that reported both quarters, shares held changed +1.7%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 276 | 22 | +1.7% | 93 | 30 | 83 | 17 |
| Mar 26 | 260 | 22 | +1.3% | 68 | 45 | 66 | 13 |
| Dec 25 | 230 | 22 | -0.3% | 68 | 32 | 64 | 20 |
| Sep 25 | 207 | 22 | +0.8% | 58 | 27 | 67 | 18 |
| Jun 25 | 198 | 22 | -0.9% | 57 | 28 | 69 | 18 |
| Mar 25 | 186 | 22 | +1.9% | 56 | 20 | 61 | 30 |
| Dec 24 | 197 | 21 | -1.6% | 48 | 25 | 68 | 18 |
| Sep 24 | 193 | 22 | +0.1% | 63 | 16 | 68 | 24 |
Proto Labs, Inc. — questions
- Who owns Proto Labs, Inc. stock?
- 276 institutions reported Proto Labs, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (16.3%), DISCIPLINED GROWTH INVESTORS INC /MN (9.9%), VANGUARD PORTFOLIO MANAGEMENT LLC (6.7%).
- Are Proto Labs, Inc. insiders buying or selling?
- 14 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Proto Labs, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.