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
Q2 2026 vs. Q1 2026
How the institutions holding Cardio Diagnostics Holdings, Inc. changed between Q1 2026 and Q2 2026.
All holders in Q2 2026All holders in Q1 2026
| Measure | Q1 2026 | Q2 2026 | Change |
|---|---|---|---|
| Holders | 16 | 17 | +1 |
| Shares | 276.4K | 193.0K | −83.3K (−30.2%) |
| Value | $538.1K | $422.7K | −$115.3K (−21.4%) |
New holders (4)
Institutions that held Cardio Diagnostics Holdings, Inc. at the end of Q2 2026 but not at the end of Q1 2026.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Citadel Advisors LLC | 19,071 | $41.8K | 0.00% |
| XTX Topco Ltd | 16,093 | $35.2K | 0.00% |
| State Street Corp | 10,099 | $22.1K | 0.00% |
| Wells Fargo & Company | 2 | $4 | 0.00% |
Sold out (3)
Institutions that held Cardio Diagnostics Holdings, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| HRT Financial LP | 62,482 | $121.0K |
| Scientech Research LLC | 13,880 | $27.1K |
| Citigroup Inc | 1 | $2 |