Stocktoria
Proto Labs Inc PRLB
NYSE · XNYS · stock · Fabricated Structural Metal Products · website · IPO 2012-02-24
Proto Labs Inc institutional holders (13F)
| Investor | Shares | Value |
|---|---|---|
| BlackRock Finance, Inc. | 4,322,679 | $133.5M |
| RENAISSANCE TECHNOLOGIES LLC | 520,251 | $29.7M |
| D. E. Shaw & Co., Inc. | 225,651 | $12.9M |
| AQR CAPITAL MANAGEMENT LLC | 55,117 | $3.1M |
| CITADEL ADVISORS LLC | 54,618 | $3.1M |
| ARK Investment Management LLC | 45,704 | $2.6M |
| Point72 Asset Management, L.P. | 32,389 | $1.8M |
| MILLENNIUM MANAGEMENT LLC | 25,829 | $1.5M |
Source: SEC EDGAR filings · CIK 0001443669 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.