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Group One Trading, L.P.

SEC CIK
0000932540
Latest filing
Aug 13, 2026

TDG holding history

TransDigm Group INC in every 13F filed by Group One Trading, L.P., 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 (Q1 2026)
0
Sold out in Q1 2026
Value
$0
% of portfolio
0.0%
Quarters held
6
Since Q1 2021
Holdings of TDG by Group One Trading, L.P., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20260$00.0%−5−100.0%Sold outHolders
Q4 20255$6.65K<0.1%+5NewHolders
Q3 20220$00.0%−24,624−100.0%Sold outHolders
Q2 202224,624$13.2M0.4%+24,624NewHolders
Q1 20220$00.0%−10,060−100.0%Sold outHolders
Q4 202110,060$6.40M0.1%+6,625+192.9%AddedHolders
Q3 20213,435$2.15M<0.1%+2,931+581.5%AddedHolders
Q2 2021504$326.0K<0.1%−8,529−94.4%ReducedHolders
Q1 20219,033$5.31M0.1%––Holders

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