Quantum-Si Inc. -CW27QSIAWPreferred / convertible
13F holders, Q4 2024 (December 31)4holders −4
1new positions
5sold out
$1.25avg. 13F price*
At the end of Q4 2024, 4 institutions reported holding Quantum-Si Inc. -CW27 (QSIAW) in their 13F filings, down 4 from Q3 2024. 1 opened new positions and 5 sold out. The largest holders were Deerfield Management Company, L.P. ($417K), Westchester Capital Management, LLC ($82K) and Jane Street Group, LLC ($26K).
- Company
- Quantum-Si Inc. -CW27
- CUSIP
- 74765K113
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $83 |
| Exits | 5 | $3K |
All 13F filers, Q3 2024 → Q4 2024: 4,432 shares bought and 38,754 shares sold, net −34,322 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 4 holders
| Deerfield Management Company, L.P. | — | No change | 333,333 | $417K |
| Westchester Capital Management, LLC | — | No change | 65,618 | $82K |
| Jane Street Group, LLC | — | Add +26.1% | 21,111 | $26K |
| WR Wealth Planners, LLC | — | New | 66 | $83 |
"% of holder's portfolio" is QSIAW's weight in each manager's 13F, not the share of Quantum-Si Inc. -CW27 the manager owns.