7 institutions reported holding $126,125 of CARDIO DIAGNOSTICS HOLDGS IN (CDIOW) in SEC 13F filings for 2026-03-31. Largest institutional holders: BOOTHBAY FUND MANAGEMENT, LLC ($118,053), Saba Capital Management, L.P. ($3,157), Clear Street Group Inc. ($1,359), Context Capital Management, LLC ($1,345), D. E. Shaw & Co., Inc. ($1,122). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BOOTHBAY FUND MANAGEMENT, LLC | $118,053 | 60,540 | Hold |
| 2 | Saba Capital Management, L.P. | $3,157 | 199,839 | Hold |
| 3 | Clear Street Group Inc. | $1,359 | 82,342 | Trimmed |
| 4 | Context Capital Management, LLC | $1,345 | 81,500 | Hold |
| 5 | D. E. Shaw & Co., Inc. | $1,122 | 74,822 | Hold |
| 6 | Virtu Financial LLC | $1,000 | 30,788 | New |
| 7 | UBS Group AG | $89 | 5,561 | Added |
Source: SEC Form 13F filings · as of 2026-03-31