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$CERO
$0.10 +$0.00 (0.0%) Close

Ownership

13F as of Q2 2026 · 71.6M shares outstanding

Who owns CERO?

By type of holder
Institutions 0.0% Insiders 10.8% Everyone else 89.2%
Concentration Top 1 holders own 0.7%
Brian G. Atwood 0.7%
Institutional ownership
0.0%
0.0 pts vs last qtr
Institutional holders
0
0 vs last qtr
Net shares bought
0
by institutions in Q2 2026
New / sold out
0 / 0
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

None.

Biggest sellers in Q2 2026

None.

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for CERo Therapeutics Holdings Inc in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for CERo Therapeutics Holdings Inc.

How patient are the owners?

No 13F manager reports holding CERO.

Super Investors

Investment managers reporting CERO on Form 13F
No 13F manager reports holding CERO yet.

Institutional Funds

Mutual funds and ETFs reporting CERO on Form N-PORT; together they hold 0.0% of the company
FE
Fidelity Extended Market Index Fund
Fidelity Concord Street Trust
Position value
$14K
% of company
0.00%
% of the fund
0.00%
As of
August 31, 2025
FS
Fidelity Series Total Market Index Fund
Fidelity Concord Street Trust
Position value
$1.21K
% of company
0.00%
% of the fund
0.00%
As of
August 31, 2025

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
BG
Brian G. Atwood
5%+ holder13D · 9.9%
Shares
511.8K
% of company
0.71%
Change vs last qtr
—
Held since
—

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