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

Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).
DateActorActionSecurityValueShares ΔPosition afterImpact
Q1 2026
as of
Geode Capital Management, LLC
13F manager
AddCommon Stock$33.2K+17K
+112.60%
32,177
1.09% of shares
low
Q1 2026
as of
Renaissance Technologies LLC
13F manager
NewCommon Stock$29.9K+15K
15,348
0.52% of shares
low
Q2 2026
as of
State Street Corporation
13F manager
NewCommon Stock$22.1K+10K
10,099
0.34% of shares
low
Q2 2026
as of
The PNC Financial Services Group, Inc.
13F manager
ExitCommon Stock$-3.7K-1K
-100.00%
0
low
Q2 2026
as of
BlackRock, Inc.
13F manager
TrimCommon Stock$-1.9K-859
-2.42%
34,708
1.17% of shares
low
Q4 2025
as of
Bank of America Corp /De
13F manager
AddCommon Stock$3+1
+6.67%
16
<0.01% of shares
low

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
CDIOCommon StockEquity14159C202BBG013P0VV65