TransDigm Group Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:TDG Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
09 Dec 25	SellUS$121,487,741	Stockbridge Partners LLC	Company	90,953	US$1,335.72
14 Nov 25	BuyUS$2,616,674	Michael Lisman	Individual	1,954	US$1,344.76
12 Sep 25	SellUS$6,384,923	Stockbridge Partners LLC	Company	5,000	US$1,284.17
10 Jun 25	SellUS$65,122,957	Stockbridge Partners LLC	Company	45,700	US$1,425.01
14 Mar 25	SellUS$13,450,938	Stockbridge Partners LLC	Company	10,034	US$1,345.24
10 Mar 25	SellUS$107,409,531	Stockbridge Partners LLC	Company	80,000	US$1,352.95

Insider Trading Volume

Insider Buying: TDG insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of TDG?
Owner Type	Number of Shares	Ownership Percentage
State or Government	58,576	0.104%
Individual Insiders	205,527	0.365%
General Public	818,923	1.45%
Institutions	55,235,558	98.1%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 75.17% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
22.6%	Capital Research and Management Company	12,754,471	US$16.5b	3.26%	0.66%
12.1%	The Vanguard Group, Inc.	6,814,938	US$8.8b	1.81%	0.11%
7.45%	BlackRock, Inc.	4,194,760	US$5.4b	-1.57%	0.07%
4.24%	State Street Global Advisors, Inc.	2,388,838	US$3.1b	1.94%	0.1%
4.23%	Principal Global Investors, LLC	2,384,397	US$3.1b	18.3%	1.32%
3.48%	FMR LLC	1,961,732	US$2.5b	28.5%	0.13%
2.19%	Geode Capital Management, LLC	1,232,062	US$1.6b	1.45%	0.09%
1.79%	JP Morgan Asset Management	1,007,221	US$1.3b	-37.6%	0.11%
1.73%	AltaRock Partners LP	976,392	US$1.3b	-0.36%	23.22%
1.49%	Norges Bank Investment Management	838,486	US$1.1b	0%	0.07%
1.33%	T. Rowe Price Group, Inc.	748,713	US$967.4m	4.03%	0.08%
1.31%	UBS Asset Management AG	739,270	US$955.2m	-18.4%	0.07%
1.22%	Berkshire Partners LLC	688,285	US$889.3m	0%	97.86%
1.13%	Edgewood Management LLC	636,841	US$822.8m	-8.53%	2.86%
1.09%	The WindAcre Partnership LLC	612,500	US$791.4m	-14.1%	9.26%
1.04%	PRIMECAP Management Company	585,373	US$756.4m	4.92%	0.52%
1.03%	Soroban Capital Partners LP	581,105	US$750.8m	3,630%	6.04%
0.83%	Northern Trust Global Investments	468,943	US$605.9m	-1.7%	0.07%
0.79%	Eaton Vance Management	447,526	US$578.2m	11.5%	0.11%
0.77%	Stockbridge Partners LLC	434,280	US$561.1m	-17.3%	11.31%
0.77%	Morgan Stanley	432,782	US$559.2m	-20.1%	0.05%
0.69%	Charles Schwab Investment Management, Inc.	388,127	US$501.5m	4.1%	0.07%
0.63%	Invesco Capital Management LLC	355,753	US$459.7m	12.8%	0.13%
0.6%	Franklin Resources, Inc.	340,115	US$439.5m	9,750%	0.13%
0.57%	Strategic Advisers LLC	320,698	US$414.4m	-7.31%	0.12%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/12/16 17:28
End of Day Share Price	2025/12/15 00:00
Earnings	2025/09/30
Annual Earnings	2025/09/30

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

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Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

TransDigm Group Incorporated is covered by 38 analysts. 18 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Peter Arment	Baird
David Strauss	Barclays
Carter Copeland	Barclays