Cardio Diagnostics-CW26CDIOWPreferred / convertible
13F holders, Q3 2025 (September 30)10holders
0new positions
0sold out
1famous investor
$0.41avg. 13F price*
At the end of Q3 2025, 10 institutions reported holding Cardio Diagnostics-CW26 (CDIOW) in their 13F filings, unchanged from Q2 2025. 0 opened new positions and 0 sold out. The largest holders were Boothbay Fund Management, LLC ($243K), Saba Capital Management, L.P. ($4K) and Clear Street Group Inc. ($2K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).
- Company
- Cardio Diagnostics-CW26
- CUSIP
- 14159C111
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q2 2025 → Q3 2025: 39,540 shares bought and 909 shares sold, net +38,631 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 10 holders
| Boothbay Fund Management, LLC | — | No change | 60,540 | $243K |
| Saba Capital Management, L.P. | — | No change | 199,839 | $4K |
| Clear Street Group Inc. | — | — | 82,642 | $2K |
| Context Capital Management, LLC | — | No change | 81,500 | $2K |
| D. E. Shaw & Co. | — | No change | 74,822 | $2K |
| Atw Spac Management LLC | — | No change | 60,540 | $1K |
| Susquehanna International Group, LLP | — | Add +288.5% | 53,246 | $1K |
| Two Sigma Securities, LLC | — | Reduce -0.3% | 10,526 | $215 |
| UBS Group AG | — | Reduce -83.7% | 151 | $3 |
| Toronto Dominion Bank | — | Reduce -50.0% | 100 | $2 |
"% of holder's portfolio" is CDIOW's weight in each manager's 13F, not the share of Cardio Diagnostics-CW26 the manager owns.