Proto Labs (PRLB)
Turns uploaded CAD designs into custom parts through digital factories and manufacturing partners.
$89.48
vs last close+0.02 (+0.02%)
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13F · 13D/G · Form 4
| Institutions | ≈ 94.42% | 22.59M shares | |
|---|---|---|---|
| 282 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 1.86% | 444.1K shares | |
| 14 holders · as of Sep 18, 2026 | |||
| Other | ≈ 3.72% | 891.3K shares | |
| remainder | |||
23.92M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
13F, as of Jun 30, 2026
282 holders · 22.59M shares · 44 new positions · 145 increased · 91 reduced · 30 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 3.90M | 16.29% | +218.3K | Aug 7, 2026 |
| Disciplined Growth Investors Inc /MN | 2.38M | 9.95% | −116.8K | Aug 14, 2026 |
| Vanguard Portfolio Management LLC | 1.60M | 6.69% | +61.2K | Aug 13, 2026 |
| Dimensional Fund Advisors LP | 1.15M | 4.82% | −120.1K | Aug 11, 2026 |
| State Street Corp | 1.14M | 4.76% | +46.5K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 1.05M | 4.41% | +14.9K | Aug 13, 2026 |
| American Capital Management Inc | 619.8K | 2.59% | −7.9K | Aug 14, 2026 |
| Geode Capital Management, LLC | 614.0K | 2.57% | +33.8K | Aug 12, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 15.00% | 3.55M | 13G | Jul 17, 2025 |
| Disciplined Growth Investors Inc /MN | 10.50% | 2.50M | 13G | May 15, 2026 |
| Vanguard Portfolio Management | 6.51% | 1.55M | 13G | Apr 29, 2026 |
| Vanguard Capital Management | 5.10% | 1.21M | 13G | Apr 30, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 17, 2026 | Daniel Schumacherofficer: Chief Financial Officer | Sale | 4,900 | $85.21 | 40,019 |
| Sep 16, 2026 | Daniel Schumacherofficer: Chief Financial Officer | Sale | 100 | $85.00 | 44,919 |
| Jun 2, 2026 | Sven Wehrweindirector | Sale · 2 lots | 2,000 | $77.28 | 32,505 |
| May 12, 2026 | Michael R. Kenisonofficer: Chief Operations Officer | Sale · 4 lots | 16,030 | $69.49 | 18,683 |
| May 11, 2026 | Michael R. Kenisonofficer: Chief Operations Officer | Sale | 7,433 | $70.26 | 27,186 |
| May 7, 2026 | Michael R. Kenisonofficer: Chief Operations Officer | Sale | 200 | $70.00 | 27,186 |
| Feb 17, 2026 | Michael R. Kenisonofficer: Chief Operations Officer | Sale | 5,000 | $66.46 | 25,302 |
| Feb 6, 2026 | Michael R. Kenisonofficer: Chief Operations Officer | Sale | 2,500 | $60.00 | 34,526 |
| Nov 25, 2025 | Michael R. Kenisonofficer: Chief Operations Officer | Sale | 3,048 | $50.17 | 28,898 |
House and Senate disclosures
Not reported.