Who Owns PROTO LABS INC (PRLB)? -- Institutional Holders (2026-06-30)
297 institutions reported holding $1.86B of PROTO LABS INC (PRLB) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($317.6M), VANGUARD GROUP INC ($231.9M), DISCIPLINED GROWTH INVESTORS INC /MN ($194.0M), DIMENSIONAL FUND ADVISORS LP ($93.9M), STATE STREET CORP ($92.8M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $317.6M | 3.9M | Added |
| 2 | VANGUARD GROUP INC | $231.9M | 2.8M | Added |
| 3 | DISCIPLINED GROWTH INVESTORS INC /MN | $194.0M | 2.4M | Trimmed |
| 4 | DIMENSIONAL FUND ADVISORS LP | $93.9M | 1.2M | Trimmed |
| 5 | STATE STREET CORP | $92.8M | 1.1M | Added |
| 6 | AMERICAN CAPITAL MANAGEMENT INC | $50.5M | 619,845 | Trimmed |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $50.1M | 614,028 | Added |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $38.2M | 469,251 | Trimmed |
| 9 | PRUDENTIAL FINANCIAL INC | $37.3M | 457,810 | Added |
| 10 | FMR LLC | $36.1M | 442,659 | Added |
| 11 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $35.9M | 440,816 | Trimmed |
| 12 | Nuveen, LLC | $34.2M | 420,059 | Added |
| 13 | GOLDMAN SACHS GROUP INC | $32.9M | 403,179 | Added |
| 14 | Driehaus Capital Management LLC | $30.2M | 370,151 | Added |
| 15 | Sixth Street Partners Management Company, L.P. | $28.9M | 354,188 | New |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $28.9M | 354,188 | Trimmed |
| 17 | MORGAN STANLEY | $25.7M | 314,778 | Added |
| 18 | S Squared Technology, LLC | $23.5M | 288,120 | Trimmed |
| 19 | NORTHERN TRUST CORP | $23.2M | 284,562 | Added |
| 20 | FIRST TRUST ADVISORS LP | $18.3M | 224,792 | Added |
| 21 | JPMORGAN CHASE & CO | $17.9M | 224,717 | Added |
| 22 | D. E. Shaw & Co., Inc. | $17.2M | 211,366 | Trimmed |
| 23 | NORDEA INVESTMENT MANAGEMENT AB | $16.5M | 203,883 | Trimmed |
| 24 | Hillsdale Investment Management Inc. | $15.6M | 191,594 | Added |
| 25 | JUPITER ASSET MANAGEMENT LTD | $15.4M | 188,539 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30