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
13F holders, Q4 2023
Institutional positions in Cardio Diagnostics Holdings, Inc. as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 14
- −1 vs. Q3 2023
- Shares held
- 1.66M
- +1.21M (+267.4%) vs. Q3 2023
- Total value
- $4.12M
- +$3.97M (+2,606.6%) vs. Q3 2023
- New holders
- 5
- 3 more added
- Sold out
- 6
- 2 more reduced
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CDIO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 17 | $422.7K |
| Q1 2026 | 16 | $538.1K |
| Q4 2025 | 16 | $351.0K |
| Q3 2025 | 14 | $462.2K |
| Q2 2025 | 16 | $332.0K |
| Q1 2025 | 23 | $836.3K |
| Q4 2024 | 23 | $2.36M |
| Q3 2024 | 15 | $373.7K |
| Q2 2024 | 16 | $996.1K |
| Q1 2024 | 14 | $2.30M |
| Q4 2023 | 14 | $4.12M |
| Q3 2023 | 15 | $152.4K |
| Q2 2023 | 10 | $445.3K |
| Q1 2023 | 11 | $1.31M |
| Q4 2022 | 12 | $248.8K |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Cardio Diagnostics Holdings, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 1,067,062 | $2.66M | 0.00% | +1,067,062 | New |
| Vanguard Group Inc | 232,139 | $578.0K | 0.00% | +168,117+262.6% | Added |
| Geode Capital Management, LLC | 138,411 | $344.6K | 0.00% | +62,928+83.4% | Added |
| Northern Trust Corp | 46,106 | $114.8K | 0.00% | +46,106 | New |
| Linden Advisors LP | 45,618 | $113.6K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 40,500 | $100.8K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 39,105 | $97.4K | 0.00% | +39,105 | New |
| State Street Corp | 20,100 | $50.0K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 12,000 | $30.1K | 0.00% | +12,000 | New |
| Caldwell Sutter Capital, Inc. | 8,101 | $20.2K | 0.01% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 3,574 | $8.90K | 0.00% | −1,214−25.4% | Reduced |
| Tower Research Capital LLC (TRC) | 2,781 | $6.92K | 0.00% | −6,924−71.3% | Reduced |
| Advisor Group Holdings, Inc. | 500 | $1.25K | 0.00% | +500 | New |
| Wells Fargo & Company | 117 | $291 | 0.00% | +70+148.9% | Added |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −121,000−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −32,245−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −17,800−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −11,273−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −61−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −6−100.0% | Sold out |