Stocktoria
Quantum-Si Inc QSI
Nasdaq · XNAS · stock · Measuring & Controlling Devices, NEC · website · IPO 2020-09-04
Quantum-Si Inc institutional holders (13F)
| Investor | Shares | Value |
|---|---|---|
| BlackRock Finance, Inc. | 7,000,884 | $7.4M |
| ARK Investment Management LLC | 6,878,899 | $5.3M |
| AQR CAPITAL MANAGEMENT LLC | 2,392,179 | $1.9M |
| CITADEL ADVISORS LLC | 219,546 | $169,929 |
| RENAISSANCE TECHNOLOGIES LLC | 117,900 | $91,255 |
| TWO SIGMA INVESTMENTS, LP | 52,924 | $40,963 |
Source: SEC EDGAR filings · CIK 0001816431 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.