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Oberndorf William E

SEC CIK
0001218663
Latest filing
Aug 13, 2026

TDG holding history

TransDigm Group INC in every 13F filed by Oberndorf William E, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

TDG overviewAll 13F holders of TDGFull Q2 2026 holdings

Shares (Q3 2024)
0
Sold out in Q3 2024
Value
$0
% of portfolio
0.0%
Quarters held
14
Since Q1 2021
Holdings of TDG by Oberndorf William E, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q3 20240$00.0%−2,040−100.0%Sold outHolders
Q2 20242,040$2.61M4.6%−1,933−48.7%ReducedHolders
Q1 20243,973$4.89M8.0%−2,458−38.2%ReducedHolders
Q4 20236,431$6.51M10.6%−3,078−32.4%ReducedHolders
Q3 20239,509$8.02M14.7%00.0%UnchangedHolders
Q2 20239,509$8.50M13.5%+911+10.6%AddedHolders
Q1 20238,598$6.34M12.8%00.0%UnchangedHolders
Q4 20228,598$5.41M12.7%−4,775−35.7%ReducedHolders
Q3 202213,373$7.02M15.1%00.0%UnchangedHolders
Q2 202213,373$7.18M16.1%00.0%UnchangedHolders
Q1 202213,373$8.71M13.3%00.0%UnchangedHolders
Q4 202113,373$8.51M10.0%00.0%UnchangedHolders
Q3 202113,373$8.35M6.5%00.0%UnchangedHolders
Q2 202113,373$8.66M5.9%00.0%UnchangedHolders
Q1 202113,373$7.86M6.3%––Holders

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