GuruTrack
TDG

TDG

TRANSDIGM GROUP INC

Data as of 2026 Q1 (03-31) · 13F snapshot

Summary
TRANSDIGM GROUP INC (TDG) is held by 11 tracked hedge-fund managers, a combined reported value of ~$1.48B; the largest are Chase Coleman, Ken Griffin, Steven Cohen. This quarter: 2 new, 1 added, 5 trimmed. 20 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Cooling
Gurus holding11
Congress trades20
Price$1205vs quarter-end+4.01%
Sectors2
This quarter's moves
New2
Added1
Trimmed / sold5
Top holderChase Coleman
Chase ColemanHold
Value $1.10B2.1% of portfolio1,757,2452021 Q3
Stephen MandelAdd
Value $41.35M0.3% of portfolio35,6772026 Q1
Ken GriffinPUT—
Value $39.52M— of portfolio34,1002026 Q1
Dan LoebNew large stake
Value $28.97M1.4% of portfolio25,0002026 Q1
Ken GriffinCALL—
Value $23.99M— of portfolio20,7002026 Q1
George SorosAdd
Value $22.01M0.7% of portfolio34,9552022 Q4
Izzy EnglanderPUT—
Value $4.40M— of portfolio3,8002026 Q1
Steven CohenCALL—
Value $927.2K— of portfolio8002026 Q1
Izzy EnglanderCALL—
Value $579.5K— of portfolio5002026 Q1
Steven CohenPUT—
Value $347.7K— of portfolio3002026 Q1

Insider Trading

Officers · directors · Form 4

  • Nicholas W Howley

    Director

    Sell$2.09M
    1,720 @ $1213Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$290.8K
    240 @ $1211Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$568.4K
    465 @ $1222Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Buy$673.5K
    10,132 @ $66.47Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$733.9K
    603 @ $1217Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$689.9K
    570 @ $1210Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$316.1K
    260 @ $1216Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$1.90M
    1,561 @ $1215Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$1.52M
    1,243 @ $1219Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$538.6K
    440 @ $1224Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$158.7K
    130 @ $1221Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$1.78M
    1,463 @ $1219Traded 2026-07-20Filed 2026-07-21

  • Nicholas W Howley

    Director

    Sell$1.74M
    1,437 @ $1214Traded 2026-07-20Filed 2026-07-21

  • Joel Reiss

    Co-Chief Operating Officer

    Buy
    3,900 @ $284.97Traded 2026-07-15Filed 2026-07-21

  • Joel Reiss

    Co-Chief Operating Officer

    Sell$256.5K
    210 @ $1222Traded 2026-07-15Filed 2026-07-17

  • Joel Reiss

    Co-Chief Operating Officer

    Sell$170.9K
    140 @ $1220Traded 2026-07-15Filed 2026-07-17

  • Joel Reiss

    Co-Chief Operating Officer

    Sell$168.8K
    138 @ $1224Traded 2026-07-15Filed 2026-07-17

  • Joel Reiss

    Co-Chief Operating Officer

    Sell$256.4K
    211 @ $1215Traded 2026-07-15Filed 2026-07-17

  • Joel Reiss

    Co-Chief Operating Officer

    Sell$206.3K
    170 @ $1214Traded 2026-07-15Filed 2026-07-17

  • Joel Reiss

    Co-Chief Operating Officer

    Sell$290.7K
    239 @ $1216Traded 2026-07-15Filed 2026-07-17

  • Joel Reiss

    Co-Chief Operating Officer

    Sell$623.3K
    509 @ $1225Traded 2026-07-15Filed 2026-07-17

  • Joel Reiss

    Co-Chief Operating Officer

    Sell$89.1K
    74 @ $1204Traded 2026-07-15Filed 2026-07-17

  • Joel Reiss

    Co-Chief Operating Officer

    Sell$133.4K
    110 @ $1213Traded 2026-07-15Filed 2026-07-17

  • Joel Reiss

    Co-Chief Operating Officer

    Sell$139.5K
    116 @ $1202Traded 2026-07-15Filed 2026-07-17

Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.

Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.