TransDigm Group Ownership | Who Owns TransDigm Group?

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TransDigm Group Ownership Summary

TransDigm Group is owned by 93.36% institutional investors, 0.39% insiders, and 6.25% retail investors. Vanguard group is the largest institutional shareholder, holding 11.73% of TDG shares. Capital Group Fundamental Invtrs Comp is the top mutual fund, with 4.94% of its assets in TransDigm Group shares.

TDG Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	TransDigm Group	93.36%	0.39%	6.25%
Sector	Industrials Stocks	64.11%	12.72%	23.17%
Industry	Defense Stocks	62.94%	10.55%	26.51%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	6.81M	11.73%	$8.98B
Capital investors	6.23M	10.73%	$9.48B
Blackrock funding, inc. /de	4.20M	7.22%	$5.53B
Capital world investors	3.97M	6.83%	$6.04B
Blackrock	3.90M	6.74%	$4.98B
Principal financial group	2.38M	4.10%	$3.14B
State street	2.20M	3.81%	$2.81B
Capital research global investors	2.00M	3.45%	$3.05B
Fmr	1.93M	3.32%	$2.44B
Jpmorgan chase	1.26M	2.17%	$1.66B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Ampfield management	32.99K	48.46%	$43.48M
Brx global lp	27.15K	27.89%	$37.55M
Altarock partners	979.95K	27.21%	$1.49B
Anabranch capital management, lp	21.42K	19.45%	$32.57M
Oakcliff capital partners, lp	21.29K	16.18%	$32.38M
Stockbridge partners	532.55K	15.83%	$809.82M
Windacre partnership	754.00K	14.01%	$955.53M
Bluegrass capital partners lp	15.50K	13.37%	$20.43M
Atalan capital partners, lp	103.00K	12.99%	$130.53M
Triple frond partners	73.79K	12.69%	$112.21M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	768.07K	0.13%	768.07K
Principal financial group	2.38M	1.58%	367.76K
Capital research global investors	2.00M	0.61%	159.43K
Vanguard group	6.81M	0.13%	121.05K
Ubs group	318.50K	0.07%	80.41K

Top Sellers

Holder	Shares	% Assets	Change
Matrix capital management company, lp	-	-	-1.09M
Jpmorgan chase	1.26M	0.10%	-733.45K
Blackrock	3.90M	0.11%	-576.68K
Commonwealth of pennsylvania public school empls retrmt sys	13.53K	0.09%	-200.24K
Zurich insurance group ltd/fi	-	-	-94.54K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	768.07K	0.13%	768.07K	$973.35M
Thornburg investment management	47.64K	0.82%	47.64K	$62.79M
Artemis investment management llp	42.90K	0.84%	42.90K	$65.24M
Praesidium investment management company	32.09K	8.60%	32.09K	$48.79M
Alyeska investment group	30.14K	0.16%	30.14K	$45.83M

Sold Out

Holder	Change
American capital advisory	-1.00
Ruedi wealth management	-1.00
Financial gravity asset management	-1.00
Valley national advisers	-1.00
Stephens consulting	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	1,122	1.81%	54,242,927	3.30%	93	1.14%	582	6.99%	334	-8.74%
Mar 31, 2025	16	-98.50%	716,311	-98.65%	1	0.01%	4	-99.28%	4	-98.76%
Dec 31, 2024	695	-33.75%	39,618,176	-22.44%	68	0.88%	364	-28.21%	208	-39.88%
Sep 30, 2024	1,044	1.95%	51,044,832	-4.09%	88	1.04%	506	-4.53%	344	20.70%
Jun 30, 2024	1,011	5.31%	53,128,780	0.99%	91	1.11%	523	15.20%	282	-10.76%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Capital Group Fundamental Invtrs Comp	2.78M	4.94%	-42.36K
American Funds Fundamental Invs A	2.78M	4.94%	-42.36K
American Funds Growth Fund of Amer A	2.69M	4.78%	-5.28K
Capital Group Growth Fnd of Amer Comp	2.69M	4.78%	-5.28K
VA CollegeAmerica Amcap 529A	1.95M	3.46%	-
Capital Group AMCAP Composite	1.85M	3.29%	-51.18K
American Funds AMCAP A	1.85M	3.29%	-51.18K
Vanguard Total Stock Mkt Idx Inv	1.76M	3.13%	-41.19K
Vanguard US Total Market Shares ETF	1.69M	3.01%	7.23K
Vanguard Institutional 500 Index Trust	1.60M	2.84%	10.94K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 03, 2025	Murphy Patrick Joseph	Co-Chief Operating Officer	Sell	$379.90K
Oct 27, 2025	Stein Kevin M	-	Sell	$952.00K
Oct 27, 2025	Murphy Patrick Joseph	Co-Chief Operating Officer	Sell	$785.76K
Oct 20, 2025	Reiss Joel	Co-Chief Operating Officer	Sell	$393.15K
Oct 20, 2025	Reiss Joel	Co-Chief Operating Officer	Sell	$254.67K

Insider Transactions Trends

Date	Buy	Sell
2028 Q3	-	-
2026 Q3	-	-
2025 Q3	-	22
2025 Q2	-	108
2025 Q1	-	190

TDG Ownership FAQ

Who Owns TransDigm Group?

TransDigm Group shareholders are primarily institutional investors at 93.36%, followed by 0.39% insiders and 6.25% retail investors. The average institutional ownership in TransDigm Group's industry, Defense Stocks, is 62.94%, which TransDigm Group exceeds.

Who owns the most shares of TransDigm Group?

TransDigm Group’s largest shareholders are Vanguard group (6.81M shares, 11.73%), Capital investors (6.23M shares, 10.73%), and Blackrock funding, inc. /de (4.2M shares, 7.22%). Together, they hold 29.68% of TransDigm Group’s total shares outstanding.

Does Blackrock own TransDigm Group?

Yes, BlackRock owns 6.74% of TransDigm Group, totaling 3.9M shares as of Jun 2024. This represents 0.11% of BlackRock's total assets, with a market value of 4.98B$. In the last quarter, BlackRock decreased its holdings by -577K shares, a -12.89% change.

Who is TransDigm Group’s biggest shareholder by percentage of total assets invested?

Ampfield management is TransDigm Group’s biggest shareholder by percentage of total assets invested, with 48.46% of its assets in 32.99K TransDigm Group shares, valued at 43.48M$.

Who is the top mutual fund holder of TransDigm Group shares?

Capital Group Fundamental Invtrs Comp is the top mutual fund holder of TransDigm Group shares, with 4.94% of its total shares outstanding invested in 2.78M TransDigm Group shares.

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