Ticker · CUSIP 14159C202

CDIO

CARDIO DIAGNOSTICS HOLDGS IN
···Share
Holders (tracked)
1
Combined shares
10,858
Combined value
$29.4K
Last close
$2.01
Quarter
2025Q4
Price · 1Y$2.01-9.69 (-82.82%)H $15.60 · L $1.05 · Avg Vol 1.0M
$5.00$10.00$15.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 2 quarters.
112025Q32025Q4
Price is -25.8% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

1 events
  1. Ken Griffin (Citadel Advisors) trimmed2026-02-17
    −8,662 shares · 2025Q4
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for CDIO →
Follow-the-investor returns
If you'd copied each holder of CDIO…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ken Griffin (Citadel Advisors)2025Q3$4.03-50.1%$22K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to0
—
Trimmed1
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2025Q3
1
$79K
2025Q4
1
$29K

Who owns CDIO

1 super-investors · 2025Q4
Tracked stake
10.9K
shares
Combined value
$29K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Trim1
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
10.9K$29K

Recent moves

1 transaction
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