Companies / Cardio Diagnostics Holdings, Inc.

Cardio Diagnostics Holdings, Inc.

Nasdaq: CDIOCIK 1870144CHICAGO, IL

Financials · FY2025

Revenue$14.8K
Net income$-6.50M
Total debt—
Cash$0
Diluted EPS$-3.71
Shares outstanding3.0M

Ownership

3.0M shares outstanding · as of Aug 7, 2026
5.8%Institutions
Ownership
Institutions5.78%171,166
Public float94.22%2,788,303

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 4

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Insider% of sharesShares
Betts Wendy JDirector
——
Burton Paul FrederickDirector
——
Fung Peter KDirector
——
Intrater JamesDirector
——

Institutional holders 18

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HolderValue% of shares
DRW Securities, LLC$109.7K1.37%
BlackRock, Inc.$76.0K1.17%
Vanguard Group Inc$65.4K0.82%
Geode Capital Management, LLC$62.7K1.09%
Renaissance Technologies LLC$29.9K0.52%
Citadel Advisors LLC$29.4K0.37%
State Street Corporation$22.1K0.34%
The PNC Financial Services Group, Inc.$3.7K0.05%
UBS Group AG$2.6K0.03%
Tower Research Capital LLC (TRC)$2.1K0.03%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Dec 31, 2025Fung Peter K
Director
GrantStock Options (Right to Buy)—+2K
+57.62%
6,308
0.21% of shares
low
Dec 31, 2025Betts Wendy J
Director
GrantStock Options (Right to Buy)—+2K
+57.62%
6,308
0.21% of shares
low
Dec 31, 2025Burton Paul Frederick
Director
GrantStock Options (Right to Buy)—+2K
+46.56%
7,259
0.25% of shares
low
Dec 31, 2025Intrater James
Director
GrantStock Options (Right to Buy)—+2K
+46.56%
7,259
0.25% of shares
low

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
CDIOCommon StockEquity14159C202BBG013P0VV65