Cardio Diagnostics Holdings, Inc.
CDIO- Exchange
- Nasdaq
- Industry
- In Vitro & In Vivo Diagnostic Substances
- SEC CIK
- 0001870144
No open-market purchases or sales by Cardio Diagnostics Holdings, Inc. insiders were filed in the last 90 days; 17 institutions reported holding it in 13F filings for Q2 2026, worth $422.7K in total; no superinvestor holds it.
Other share classesCDIOW
Q3 2025 vs. Q2 2025
How the institutions holding Cardio Diagnostics Holdings, Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 16 | 14 | −2 |
| Shares | 84.8K | 115.1K | +30.3K (+35.7%) |
| Value | $305.0K | $462.2K | +$157.2K (+51.5%) |
New holders (2)
Institutions that held Cardio Diagnostics Holdings, Inc. at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Citadel Advisors LLC | 19,520 | $78.7K | 0.00% |
| DRW Securities, LLC | 18,165 | $72.8K | 0.00% |
Sold out (4)
Institutions that held Cardio Diagnostics Holdings, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Susquehanna International Group, LLP | 13,060 | $47.0K |
| Royal Bank of Canada | 7,500 | $27.0K |
| UBS Group AG | 697 | $2.51K |
| FMR LLC | 3 | $11 |