Cardio Diagnostics HoldingsCDIO
13F holders, Q3 2025 (September 30)14holders −2
2new positions
4sold out
1famous investor
$4.02avg. 13F price*
At the end of Q3 2025, 14 institutions reported holding Cardio Diagnostics Holdings (CDIO) in their 13F filings, down 2 from Q2 2025. 2 opened new positions and 4 sold out. The largest holders were BlackRock, Inc. ($143K), Vanguard Group Inc. ($97K) and Citadel Advisors ($79K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Cardio Diagnostics Holdings
- CUSIP
- 14159C202
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $152K |
| Exits | 4 | $77K |
All 13F filers, Q2 2025 → Q3 2025: 51,571 shares bought and 21,321 shares sold, net +30,250 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 14 holders
| BlackRock, Inc. | 0.00% | No change | 35,567 | $143K |
| Vanguard Group Inc. | 0.00% | Add +90.2% | 24,124 | $97K |
| Citadel Advisors | 0.00% | New | 19,520 | $79K |
| DRW Securities, LLC | 0.00% | New | 18,165 | $73K |
| Geode Capital Management, LLC | 0.00% | Add +13.0% | 15,098 | $61K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 1,350 | $5K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +688.0% | 788 | $3K |
| Morgan Stanley | 0.00% | Add +23.0% | 123 | $493 |
| Wolverine Asset Management LLC | 0.00% | No change | 104 | $417 |
| Osaic Holdings, Inc. | 0.00% | Reduce -16.8% | 89 | $356 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -61.4% | 27 | $108 |
| Bank of America Corp. | 0.00% | No change | 15 | $60 |
| Arax Advisory Partners | 0.00% | No change | 6 | $25 |
| Cwm, LLC | 0.00% | No change | 116 | $0 |
"% of holder's portfolio" is CDIO's weight in each manager's 13F, not the share of Cardio Diagnostics Holdings the manager owns.