Cardio Diagnostics Holdings
CDIO · NASDAQ
$1.72+$0.08 (+4.88%)TodayMarket closed ·
Prev close $1.64
Who owns CDIO
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 13.9% of CDIO’s shares.
- Dogan (Timur)3.6%
- Dogan (Meeshanthini)2.5%
- Bd Holding, Inc1.8%
- Renaissance Technologies LLC1.7%
- Next 6 largest institutions4.3%
- All other shareholders86.1%
| Holder | Shares | % of shares |
|---|---|---|
| Dogan (Timur) | 107.26K | 3.62% |
| Dogan (Meeshanthini) | 73.97K | 2.50% |
| Bd Holding, Inc | 52.88K | 1.79% |
| Renaissance Technologies LLC | 49.20K | 1.66% |
| BlackRock Institutional Trust Company, N.A. | 34.71K | 1.17% |
| Geode Capital Management, L.L.C. | 26.23K | 0.89% |
| Vanguard Capital Management, LLC | 20.16K | 0.68% |
| Citadel Advisors LLC | 19.07K | 0.64% |
| XTX Markets LLC | 16.09K | 0.54% |
| Jane Street Capital, L.L.C. | 11.93K | 0.40% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Extended Market Index Fund | 20.16K | 0.68% |
| Fidelity Extended Market Index Fund | 15.74K | 0.53% |
| Fidelity Series Total Market Index Fund | 2.83K | 0.10% |
| Fidelity Total Market Index Fund | 2.25K | 0.08% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of CDIO in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Fung Peter K | Award | 3.29K | $6.24K |
| Betts Wendy J | Award | 3.29K | $6.24K |
| Burton Paul Frederick | Award | 3.29K | $6.24K |
| Intrater James | Award | 3.29K | $6.24K |
| Fung Peter K | Award | 2.85K | $6.25K |
| Betts Wendy J | Award | 2.85K | $6.25K |
| Burton Paul Frederick | Award | 2.85K | $6.25K |
| Intrater James | Award | 2.85K | $6.25K |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.01K
- Days to cover
- 1.00
- % of shares outstanding
- 0.03%
- Average daily volume
- 31.25K
- Change since last report
- −80.8%
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