PROTO LABS, INC. (PRLB) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for PRLB. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 269 institutions reported holding PRLB, with 22.4 million shares worth $1.8 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 3,896,222 | $318M | INCREASED |
| Vanguard | 2,844,558 | $232M | INCREASED |
| Disciplined Growth Investors Inc /MN | 2,380,514 | $194M | DECREASED |
| Dimensional Fund Advisors | 1,152,305 | $94M | DECREASED |
| State Street | 1,138,462 | $93M | INCREASED |
Full institutional holdings, insider history, and congressional trades for PROTO LABS, INC. on SentiSense.