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Starboard Value

Superinvestor

Starboard Value LP

SEC CIK
0001517137
Manager
Jeff Smith
Style
Activist
Latest filing
Aug 14, 2026

CERO holding history

Cero Therapeutics Holdings, Inc. in every 13F filed by Starboard Value, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CERO overviewAll 13F holders of CEROFull Q2 2026 holdings

Shares (Q4 2022)
0
Sold out in Q4 2022
Value
$0
% of portfolio
0.0%
Quarters held
4
Since Q4 2021
Holdings of CERO by Starboard Value, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20220$00.0%−21,275−100.0%Sold outHolders
Q3 202221,275$215.0K<0.1%00.0%UnchangedHolders
Q2 202221,275$213.0K<0.1%00.0%UnchangedHolders
Q1 202221,275$213.0K<0.1%−2,775−11.5%ReducedHolders
Q4 202124,050$238.0K<0.1%+24,050NewHolders