Cardio Diagnostics Holdings, Inc.
CDIOW- 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; 7 institutions reported holding it in 13F filings for Q2 2026, worth $139.7K in total; no superinvestor holds it.
Other share classesCDIO
Q4 2025 vs. Q3 2025
How the institutions holding Cardio Diagnostics Holdings, Inc. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 10 | 1 | 6 | −3 |
| Shares | 623.9K | 60.5K | 503.1K | −60.3K (−10.7%) |
| Value | $254.3K | $1.24K | $175.1K | −$77.9K (−30.8%) |
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (0)
Institutions that held Cardio Diagnostics Holdings, Inc. at the end of Q4 2025 but not at the end of Q3 2025.
None.
Sold out (3)
Institutions that held Cardio Diagnostics Holdings, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Susquehanna International Group, LLP | 53,246 | $1.09K |
| Two Sigma Securities, LLC | 10,526 | $215 |
| Toronto Dominion Bank | 100 | $2 |
Not filed for Q4 2025 yet (1)
Institutions that held Cardio Diagnostics Holdings, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Atw Spac Management LLC | 60,540 | $1.24K |