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CDIO CARDIO DIAGNOSTICS HOLDGS IN

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COM NEW (common), issuer CIK 1870144

15 managers (16 13F filers) reported a position in CDIO shares at 2026-03-31, 276,360 shares in all. 4 filers opened a position and 5 filers sold out during the quarter.

Managers
15
13F filers
16
New
4
Added
3
Reduced
3
Sold out
5
Shares held by filers
276,360

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC81,283$159K<0.01%new13F-HRTimelineGroup
HRT FINANCIAL LP62,482$121K<0.01%new13F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.34,708$67.7K<0.01%-85913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC32,177$62.7K<0.01%+17,04213F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding24,124$47KnewTimeline
RENAISSANCE TECHNOLOGIES LLC15,348$29.9K<0.01%new13F-HRTimeline
Scientech Research LLC13,880$27.1K0.02%new13F-HRTimeline
UBS Group AGin group UBS Group AG9,919$19.3K<0.01%+8,96713F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,192$4.27K<0.01%+1,41513F-HRTimelineGroup
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC104$203<0.01%013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY100$195<0.01%013F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.16$31<0.01%013F-HRTimelineGroup
SHP Wealth Management16$31<0.01%013F-HRTimeline
SBI Securities Co., Ltd.10$20<0.01%-1613F-HRTimeline
CITIGROUP INCin group CITIGROUP INC1$2<0.01%-2513F-HRTimelineGroup