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ValueAct Capital

Superinvestor

ValueAct Holdings, L.P.

SEC CIK
0001418814
Manager
Mason Morfit
Style
Activist
Latest filing
Aug 14, 2026

STX holding history

Seagate Technology Holdings plc in every 13F filed by ValueAct Capital, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

STX overviewAll 13F holders of STXFull Q2 2026 holdings

Shares (Q1 2024)
0
Sold out in Q1 2024
Value
$0
% of portfolio
0.0%
Quarters held
12
Since Q1 2021
Holdings of STX by ValueAct Capital, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20240$00.0%−262,348−100.0%Sold outHolders
Q4 2023262,348$22.4M0.4%−7,424,722−96.6%ReducedHolders
Q3 20237,687,070$507.0M11.4%−5,750,000−42.8%ReducedHolders
Q2 202313,437,070$831.4M12.9%00.0%UnchangedHolders
Q1 202313,437,070$888.5M14.5%00.0%UnchangedHolders
Q4 202213,437,070$706.9M13.3%00.0%UnchangedHolders
Q3 202213,437,070$715.3M12.1%00.0%UnchangedHolders
Q2 202213,437,070$959.9M15.3%00.0%UnchangedHolders
Q1 202213,437,070$1.21B16.6%−2,050,000−13.2%ReducedHolders
Q4 202115,487,070$1.75B19.7%−1,890,000−10.9%ReducedHolders
Q3 202117,377,070$1.43B16.6%00.0%UnchangedHolders
Q2 202117,377,070$1.53B16.9%−5,634,153−24.5%ReducedHolders
Q1 202123,011,223$1.77B20.6%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.