TransDigm Group INC

TDG

Exchange: NYSE
Industry: Aircraft Parts & Auxiliary Equipment, NEC
SEC CIK: 0001260221

SEC filings (opens in a new tab)

In the last 90 days, TransDigm Group INC insiders filed 0 open-market purchases and 6 sales; 1,146 institutions reported holding it in 13F filings for Q2 2026, worth $70.0B in total; superinvestors Third Point and Lone Pine Capital hold it.

13F holders, Q3 2026

Institutional positions in TransDigm Group INC as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 3; +1 vs. Q2 2026
Shares held: 676; −6 (−0.9%) vs. Q2 2026
Total value: $731.8K; −$176.6K (−19.4%) vs. Q2 2026
New holders: 1; 0 more added
Sold out: 0; 1 more reduced

1,144 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TDG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding TDG and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,146	$70.0B
Q1 2026	1,112	$61.3B
Q4 2025	1,133	$71.5B
Q3 2025	1,073	$70.6B
Q2 2025	1,111	$82.3B
Q1 2025	1,090	$73.7B
Q4 2024	1,048	$67.4B
Q3 2024	1,032	$74.0B
Q2 2024	1,005	$68.0B
Q1 2024	936	$65.7B
Q4 2023	864	$54.1B
Q3 2023	770	$44.8B
Q2 2023	746	$47.7B
Q1 2023	721	$38.8B
Q4 2022	705	$32.9B
Q3 2022	649	$27.5B
Q2 2022	658	$27.7B
Q1 2022	684	$33.7B
Q4 2021	659	$33.3B
Q3 2021	630	$33.5B
Q2 2021	614	$34.6B
Q1 2021	609	$31.1B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding TransDigm Group INC; share changes are against Q2 2026.

Institutions holding TDG in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Ycg, LLC	–	–	–	–	Not filed
Retirement Systems of Alabama	–	–	–	–	Not filed
Blacksheep Fund Management Ltd	–	–	–	–	Not filed
Capital Fund Management S.A.	–	–	–	–	Not filed
Two Sigma Investments, LP	–	–	–	–	Not filed
New York State Teachers Retirement System	–	–	–	–	Not filed
Capital International Inc	–	–	–	–	Not filed
APG Asset Management N.V.	–	–	–	–	Not filed
Standard Life Aberdeen plc	–	–	–	–	Not filed
National Philanthropic Trust	–	–	–	–	Not filed
Arrowstreet Capital, Limited Partnership	–	–	–	–	Not filed
Gotham Asset Management, LLC	–	–	–	–	Not filed
Korea Investment CORP	–	–	–	–	Not filed
1832 Asset Management L.P.	–	–	–	–	Not filed
Employees Retirement System of Texas	–	–	–	–	Not filed
Zurcher Kantonalbank (Zurich Cantonalbank)	–	–	–	–	Not filed
Stifel Financial Corp	–	–	–	–	Not filed
Milford Funds Ltd	–	–	–	–	Not filed
Ci Investments Inc.	–	–	–	–	Not filed
iA Global Asset Management Inc.	–	–	–	–	Not filed
KLP Kapitalforvaltning AS	–	–	–	–	Not filed
Natixis Advisors, L.P.	–	–	–	–	Not filed
Capital International Sarl	–	–	–	–	Not filed
Pictet Asset Management Holding SA	–	–	–	–	Not filed
First Trust Advisors LP	–	–	–	–	Not filed
Tudor Investment Corp Et Al	–	–	–	–	Not filed
BRX Global LP	–	–	–	–	Not filed
Universal- Beteiligungs- und Servicegesellschaft mbH	–	–	–	–	Not filed
Swedbank AB	–	–	–	–	Not filed
State of Wisconsin Investment Board	–	–	–	–	Not filed
Generate Investment Management Ltd	–	–	–	–	Not filed
Brown Advisory Inc	–	–	–	–	Not filed
Great West Life Assurance Co	–	–	–	–	Not filed
Lone Pine Capital LLCSuperinvestorLone Pine Capital	–	–	–	–	Not filed
Ensign Peak Advisors, Inc	–	–	–	–	Not filed
Chilton Capital Management LLC	–	–	–	–	Not filed
Quantinno Capital Management LP	–	–	–	–	Not filed
Royal London Asset Management Ltd	–	–	–	–	Not filed
Vanguard Investments Australia, Ltd.	–	–	–	–	Not filed
Chevy Chase Trust Holdings, Inc.	–	–	–	–	Not filed
DnB Asset Management AS	–	–	–	–	Not filed
Prudential Financial Inc	–	–	–	–	Not filed
Asset Management One Co.,Ltd.	–	–	–	–	Not filed
Renaissance Technologies LLC	–	–	–	–	Not filed
DekaBank Deutsche Girozentrale	–	–	–	–	Not filed
Mill Capital Management, LLC	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
Capital International Ltd	–	–	–	–	Not filed
SEI Investments Co	–	–	–	–	Not filed
LPL Financial LLC	–	–	–	–	Not filed
Oakcliff Capital Partners, LP	–	–	–	–	Not filed
East Coast Asset Management, LLC.	–	–	–	–	Not filed
Treasurer of the State of North Carolina	–	–	–	–	Not filed
Neuberger Berman Group LLC	–	–	–	–	Not filed
Anabranch Capital Management, LP	–	–	–	–	Not filed
Squarepoint Ops LLC	–	–	–	–	Not filed
Mitsubishi UFJ Trust & Banking Corp	–	–	–	–	Not filed
Oakmont Corp	–	–	–	–	Not filed
National Bank of Canada	–	–	–	–	Not filed
Susquehanna International Group, LLP	–	–	–	–	Not filed
Baskin Financial Services Inc.	–	–	–	–	Not filed
Nissay Asset Management Corp	–	–	–	–	Not filed
Ampfield Management, L.P.	–	–	–	–	Not filed
Titan Global Capital Management USA LLC	–	–	–	–	Not filed
State of Tennessee, Treasury Department	–	–	–	–	Not filed
AQR Capital Management LLC	–	–	–	–	Not filed
Howland Capital Management LLC	–	–	–	–	Not filed
Public Employees Retirement System of Ohio	–	–	–	–	Not filed
Goodnow Investment Group, LLC	–	–	–	–	Not filed
Tredje AP-fonden	–	–	–	–	Not filed
T. Rowe Price Investment Management, Inc.	–	–	–	–	Not filed
Nomura Asset Management Co Ltd	–	–	–	–	Not filed
TD Asset Management Inc	–	–	–	–	Not filed
Prudential PLC	–	–	–	–	Not filed
Coalescence Partners Investment Management, LP	–	–	–	–	Not filed
Bluegrass Capital Partners LP	–	–	–	–	Not filed
Connor, Clark & Lunn Investment Management Ltd.	–	–	–	–	Not filed
Gilder Gagnon Howe & Co LLC	–	–	–	–	Not filed
Fifth Third Bancorp	–	–	–	–	Not filed
State of New Jersey Common Pension Fund D	–	–	–	–	Not filed
Jennison Associates LLC	–	–	–	–	Not filed
Victory Capital Management Inc	–	–	–	–	Not filed
Federated Hermes, Inc.	–	–	–	–	Not filed
Archon Partners LLC	–	–	–	–	Not filed
Lynwood Price Capital Management LP	–	–	–	–	Not filed
Toronto Dominion Bank	–	–	–	–	Not filed
GW&K Investment Management, LLC	–	–	–	–	Not filed
EULAV Asset Management	–	–	–	–	Not filed
Pennant Investors, LP	–	–	–	–	Not filed
Ossiam	–	–	–	–	Not filed
STRS Ohio	–	–	–	–	Not filed
Mn Services Vermogensbeheer B.V.	–	–	–	–	Not filed
Lansforsakringar Fondforvaltning AB (publ)	–	–	–	–	Not filed
Czech National Bank	–	–	–	–	Not filed
Resona Asset Management Co.,Ltd.	–	–	–	–	Not filed
Credit Agricole S A	–	–	–	–	Not filed
Mar Vista Investment Partners LLC	–	–	–	–	Not filed
Arizona State Retirement System	–	–	–	–	Not filed
Man Group plc	–	–	–	–	Not filed
Janney Montgomery Scott LLC	–	–	–	–	Not filed