# CARDIO DIAGNOSTICS HOLDGS IN (CDIOW)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/CDIOW/

- Reporting holders: 6
- Reported value: $7.1K
- Shares held by institutions: 465,343 of 2,959,469 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [BOOTHBAY FUND MANAGEMENT, LLC](https://holderbook.com/funds/1549230-boothbay-fund-management-llc/) | $132.6K | 60,540 | 0.0% | 15 |
| [Saba Capital Management, L.P.](https://holderbook.com/funds/1510281-saba-capital-management-l-p/) | $3.0K | 199,839 | 0.0% | 15 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $1.5K | 82,342 | 0.0% | 4 |
| [D. E. Shaw & Co., Inc.](https://holderbook.com/funds/1009207-d-e-shaw-co-inc/) | $1.4K | 74,822 | 0.0% | 15 |
| [Context Capital Management, LLC](https://holderbook.com/funds/1301396-context-capital-management-llc/) | $1.2K | 81,500 | 0.0% | 14 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $67 | 5,561 | 0.0% | 6 |
| [Virtu Financial LLC](https://holderbook.com/funds/1533964-virtu-financial-llc/) | $0 | 21,279 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 6 | $7.1K |
| Q1 2026 | 6 | $8.1K |
| Q4 2025 | 5 | $11.1K |
| Q3 2025 | 9 | $11.5K |
| Q2 2025 | 9 | $8.0K |
| Q1 2025 | 7 | $39.6K |
| Q4 2024 | 5 | $41.2K |
| Q3 2024 | 10 | $48.1K |
| Q2 2024 | 9 | $34.6K |
| Q1 2024 | 12 | $125.1K |
| Q4 2023 | 13 | $212.2K |
| Q3 2023 | 13 | $66.0K |