TransDigm Group

TDG • NYSE

TransDigm Group is a aerospace & defense company in the industrials sector on NYSE, led by Kevin Stein, with a market cap of $74.2B. As of Q3 2025, 95% of shares are held by 1,035 institutional investors, with VANGUARD GROUP INC as the largest holder at 12.09%.

Chief Executive OfficerKevin Stein

Market Cap$74.2B

Aerospace & Defense

Industrials

Employees15.5K

Websitetransdigm.com

Country

United States of America

Overview

Overview of institutional ownership in TDG as of Q3 2025 with a market cap of $74.3B

All Institutions

Institutions: 1,035
Value Held: $70.3B
Shares Held: 53.4M
Avg Position: $68.0M
Median Position: $1.2M

Hedge Funds

Hedge Funds: 73
Value Held: $4.7B
Shares Held: 3.6M
Avg Position: $64.2M
Median Position: $5.6M

Ownership Breakdown

Institutional (non-HF)

88.39%

$65.6B

Hedge Funds

6.31%

$4.7B

Retail & Other

5.3%

$3.9B

Based on market cap of $74.3B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in TDG as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$9.0B 0.13% of portfolio	12.09% 6.8M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
C Capital International Investors Institution	-	$8.6B 1.39% of portfolio	11.52% 6.5M shares	Q1 2015 Held for 10y 8m	$615.90B
B BlackRock, Inc. Institution	-	$5.5B 0.10% of portfolio	7.45% 4.2M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
C Capital World Investors Institution	-	$5.2B 0.71% of portfolio	6.99% 3.9M shares	≤ Q2 2013 Held for 12y 5m+	$730.00B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$3.1B 0.11% of portfolio	4.24% 2.4M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
PRINCIPAL FINANCIAL GROUP INC Institution	Deanna Strable CEO	$3.1B 1.59% of portfolio	4.22% 2.4M shares	≤ Q2 2013 Held for 12y 5m+	$197.71B
FMR LLC Institution	-	$3.0B 0.16% of portfolio	4.05% 2.3M shares	≤ Q2 2013 Held for 12y 5m+	$1.92T
Capital Research Global Investors RIA/Wealth	Maria Alejandra Herrera CIO	$2.9B 0.55% of portfolio	3.92% 2.2M shares	Q1 2017 Held for 8y 8m	$532.36B
JPMORGAN CHASE & CO Institution	Jamie Dimon CEO	$1.7B 0.11% of portfolio	2.24% 1.3M shares	≤ Q2 2013 Held for 12y 5m+	$1.56T
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$1.6B 0.10% of portfolio	2.19% 1.2M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T

Net Capital Flow

Institutional buying and selling activity for TDG in Q3 2025

Traded: −$62.8M
Buyers: 495
Sellers: 500
Total Bought: +$4.2B
Total Sold: −$4.3B
Avg Position: $60.9M

Biggest Buyers

Institution	Net Bought	Current Position
Soroban Capital Partners LLC Hedge Fund•Long/Short	+$745.4M +565.5K shares	$765.9M 581.1K shares
FMR LLC Institution	+$540.4M +410.0K shares	$3.0B 2.3M shares
PRINCIPAL FINANCIAL GROUP INC Institution	+$484.7M +367.8K shares	$3.1B 2.4M shares
FRANKLIN RESOURCES INC Institution	+$387.3M +293.8K shares	$626.7M 475.5K shares
C Capital International Investors Institution	+$335.7M +254.8K shares	$8.6B 6.5M shares
Capital Research Global Investors RIA/Wealth	+$268.9M +204.0K shares	$2.9B 2.2M shares
VANGUARD GROUP INC Institution	+$159.5M +121.0K shares	$9.0B 6.8M shares
C CANADA PENSION PLAN INVESTMENT BOARD Institution	+$64.4M +48.9K shares	$292.3M 221.8K shares
S Squarepoint Ops LLC Hedge Fund•Quant	+$64.1M +48.6K shares	$66.9M 50.7K shares
THORNBURG INVESTMENT MANAGEMENT INC Long Only Manager	+$62.8M +47.6K shares	$62.8M 47.6K shares

Biggest Sellers

Institution	Net Sold	Current Position
JPMORGAN CHASE & CO Institution	−$966.7M −733.5K shares	$1.7B 1.3M shares
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS Private Equity	−$263.9M −200.2K shares	$17.8M 13.5K shares
D D. E. Shaw & Co., Inc. Institution	−$170.1M −111.8K shares	Sold Off 0 shares
B Bain Capital Public Equity Management II, LLC Institution	−$159.8M −105.1K shares	Sold Off 0 shares
Holocene Advisors, LP Hedge Fund•Long/Short	−$138.3M −105.0K shares	$48.9M 37.1K shares
W WINDACRE PARTNERSHIP LLC Institution	−$132.1M −100.2K shares	$807.3M 612.5K shares
UBS Group AG Institution	−$124.0M −94.1K shares	$609.4M 462.3K shares
Marshall Wace LLP Institution	−$119.4M −78.5K shares	Sold Off 0 shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$95.4M −72.4K shares	$365.0M 276.9K shares
WESTFIELD CAPITAL MANAGEMENT CO LP Long Only Manager	−$95.1M −72.1K shares	$287.2M 217.9K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited TDG in Q3 2025

New Positions: 47
New Value: $185.3M
Exited Positions: 119
Exited Value: $896.5M

New Positions

Institution	Position Value
THORNBURG INVESTMENT MANAGEMENT INC Long Only Manager	$62.8M 47.6K shares
B Blacksheep Fund Management Ltd Institution	$50.4M 38.2K shares
D D1 Capital Partners L.P. Hedge Fund•Long/Short	$40.6M 30.8K shares
SUSQUEHANNA ADVISORS GROUP, INC. Private Equity	$15.6M 11.8K shares
M Motiv8 Investments LLC RIA/Wealth	$4.0M 3.0K shares
Davidson Capital Management Inc. RIA/Wealth	$2.7M 2.0K shares
T TFR Capital, LLC. RIA/Wealth	$1.2M 923.0 shares
S Sageworth Trust Co Institution	$1.2M 881.0 shares
T TEMA ETFS LLC Institution	$1.1M 848.0 shares
STABLEFORD CAPITAL II LLC RIA/Wealth	$830.4K 630.0 shares

Exited Positions

Institution	Previous Position
D D. E. Shaw & Co., Inc. Institution	$170.1M 111.8K shares
B Bain Capital Public Equity Management II, LLC Institution	$159.8M 105.1K shares
Marshall Wace LLP Institution	$119.4M 78.5K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$76.3M 50.2K shares
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$69.1M 45.4K shares
A Alyeska Investment Group, L.P. Hedge Fund•Multi-Strategy	$45.8M 30.1K shares
J J. Goldman & Co LP Hedge Fund•Multi-Strategy	$41.8M 27.5K shares
Q Qube Research & Technologies Ltd Institution	$33.7M 22.2K shares
Artisan Partners Limited Partnership Long Only Manager	$27.8M 18.3K shares
S SCOPUS ASSET MANAGEMENT, L.P. Hedge Fund•Long/Short	$19.0M 12.5K shares

Options Activity

Institutions with the largest Call and Put options positions in TDG as of Q3 2025

Call Positions: 21
Call Value: $438.5M
Put Positions: 22
Put Value: $350.8M

Call Positions

Institution	Position Value
J JANE STREET GROUP, LLC Institution	$197.3M 1.5K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$79.6M 604.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$72.0M 546.0 contracts
Walleye Trading LLC RIA/Wealth	$20.6M 156.0 contracts
D D. E. Shaw & Co., Inc. Institution	$18.6M 141.0 contracts
W WOLVERINE TRADING, LLC Institution	$14.4M 112.0 contracts
B BNP PARIBAS ARBITRAGE, SA Institution	$9.8M 0.7 contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$9.6M 73.0 contracts
C Cubist Systematic Strategies, LLC Institution	$5.1M 39.0 contracts
S Squarepoint Ops LLC Hedge Fund•Quant	$4.0M 30.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$88.3M 670.0 contracts
UBS Group AG Institution	$79.3M 602.0 contracts
P PEAK6 LLC Institution	$51.9M 394.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$45.3M 344.0 contracts
BARCLAYS PLC Institution	$30.4M 231.0 contracts
J JANE STREET GROUP, LLC Institution	$16.3M 124.0 contracts
W WOLVERINE TRADING, LLC Institution	$15.1M 117.0 contracts
S Squarepoint Ops LLC Hedge Fund•Quant	$6.9M 52.0 contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$2.8M 21.0 contracts
A Allianz Asset Management AG Institution	$2.8M 21.0 contracts

Most Committed Institutions

Institutions with TDG as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Ampfield Management, L.P. Hedge Fund•Long/Short	Emerson Anthony Somers Moore Partner	48.46% $43.5M	0.06% 33.0K shares	Q1 2021 Held for 4y 8m	$89.7M
B Blacksheep Fund Management Ltd Institution	-	42.95% $50.4M	0.07% 38.2K shares	Q3 2025 Held for 2 months	$117.3M
B BRX Global LP Hedge Fund•Value	Brian David Jackelow CFO	35.60% $37.3M	0.05% 28.3K shares	Q4 2020 Held for 4y 11m	$104.7M
Q Q Global Advisors, LLC Institution	-	28.97% $8.3M	0.01% 6.3K shares	Q4 2021 Held for 3y 11m	$28.5M
A ALTAROCK PARTNERS LLC Hedge Fund•Value	Mark Thomas Massey Founder	23.53% $1.3B	1.73% 976.4K shares	Q4 2014 Held for 10y 11m	$5.5B
A Anabranch Capital Management, LP Hedge Fund•Long/Short	Philip Chin Yang CFO	19.45% $36.3M	0.05% 27.6K shares	Q4 2020 Held for 4y 11m	$186.8M
O Oakcliff Capital Partners, LP Hedge Fund•Value	Bryan Ross Lawrence Managing Partner	13.75% $31.9M	0.04% 24.2K shares	Q1 2017 Held for 8y 8m	$231.7M
Stockbridge Partners LLC Hedge Fund•Long/Short	Elizabeth Denison Bride Managing Partner	13.39% $692.3M	0.93% 525.2K shares	≤ Q2 2013 Held for 12y 5m+	$5.2B
B Bluegrass Capital Partners LP Institution	-	13.37% $20.4M	0.03% 15.5K shares	Q4 2020 Held for 4y 11m	$152.8M
I Investidor Profissional Gestao de Recursos Ltda. Institution	-	12.22% $15.6M	0.02% 11.8K shares	Q4 2020 Held for 4y 11m	$127.7M

Hedge Fund Spotlight

Discover hedge funds investing in TDG

ISAM Funds Ltd

Hedge Fund • Quant

Portfolio ManagerAlexander Lowe

Portfolio Value: $489.3M
Positions: 601
Last Reported: Q3 2025

Sector Allocation

Position in TransDigm Group

Market Value: $852.8K
Shares Held: 647.0
Portfolio Weight: 0.17%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
1 Merck & Co. MRK	Drug Manufacturers - General Healthcare	$4.9M	1.00%
2 Chubb CB	Insurance - Property & Casualty Financial Services	$4.9M	1.00%
3 Johnson & Johnson JNJ	Drug Manufacturers - General Healthcare	$4.9M	0.99%