TransDigm Group Ownership | Who Owns TransDigm Group?
TransDigm Group Ownership Summary
TransDigm Group is owned by 61.92% institutional investors, 0.39% insiders, and 37.68% retail investors. Vanguard group is the largest institutional shareholder, holding 11.68% 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 | 61.92% | 0.39% | 37.68% |
| Sector | Industrials Stocks | 44.97% | 12.43% | 42.61% |
| Industry | Defense Stocks | 49.53% | 9.96% | 40.51% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 6.80M | 11.68% | $9.04B |
| Capital investors | 6.54M | 11.24% | $8.70B |
| Blackrock funding, inc. /de | 4.30M | 7.39% | $5.72B |
| Capital world investors | 3.95M | 6.79% | $5.26B |
| Blackrock | 3.90M | 6.74% | $4.98B |
| Capital research global investors | 2.48M | 4.26% | $3.29B |
| State street | 2.39M | 4.11% | $3.15B |
| Fmr | 2.28M | 3.93% | $3.01B |
| Principal financial group | 2.17M | 3.72% | $2.88B |
| Geode capital management | 1.23M | 2.12% | $1.63B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Ampfield management | 32.99K | 48.46% | $43.48M |
| Blacksheep fund management | 38.22K | 42.95% | $50.37M |
| Brx global lp | 28.28K | 35.60% | $37.27M |
| Altarock partners | 976.39K | 23.53% | $1.29B |
| Anabranch capital management, lp | 27.55K | 22.86% | $36.32M |
| Triple frond partners | 103.89K | 14.36% | $138.16M |
| Bluegrass capital partners lp | 18.00K | 14.30% | $23.94M |
| Oakcliff capital partners, lp | 24.17K | 13.75% | $31.86M |
| Stockbridge partners | 525.23K | 13.39% | $692.27M |
| Q global advisors | 6.28K | 12.99% | $8.27M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 771.21K | 0.11% | 771.21K |
| Soroban capital partners lp | 581.11K | 5.78% | 565.54K |
| Fmr | 2.28M | 0.16% | 410.00K |
| Capital research global investors | 2.48M | 0.61% | 268.82K |
| Blackrock funding, inc. /de | 4.30M | 0.10% | 102.52K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Matrix capital management company, lp | - | - | -1.09M |
| Blackrock | 3.90M | 0.11% | -576.68K |
| Jpmorgan chase | 993.01K | 0.08% | -269.31K |
| Principal financial group | 2.17M | 1.47% | -213.29K |
| Westfield capital management co lp | 16.19K | 0.09% | -201.70K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 771.21K | 0.11% | 771.21K | $1.03B |
| Thornburg investment management | 47.64K | 0.82% | 47.64K | $62.79M |
| Blacksheep fund management | 38.22K | 42.95% | 38.22K | $50.37M |
| D1 capital partners | 30.80K | 0.47% | 30.80K | $40.60M |
| Ycg | 23.29K | 2.34% | 23.29K | $30.97M |
Sold Out
| Holder | Change |
|---|---|
| Palisade asset management | -1.00 |
| Ruedi wealth management | -1.00 |
| Strengthening families & communities | -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 % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 729 | -33.73% | 36,038,877 | -32.69% | 61 | 0.73% | 341 | -34.17% | 235 | -38.96% |
| Sep 30, 2025 | 675 | -39.95% | 22,856,914 | -56.60% | 39 | 0.48% | 313 | -46.13% | 236 | -30.18% |
| 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% |
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 |
|---|---|---|---|---|
| Feb 17, 2026 | Reiss Joel | Co-Chief Operating Officer | Sell | $126.96K |
| Feb 17, 2026 | Reiss Joel | Co-Chief Operating Officer | Sell | $91.11K |
| Feb 17, 2026 | Reiss Joel | Co-Chief Operating Officer | Sell | $34.55K |
| Feb 17, 2026 | Reiss Joel | Co-Chief Operating Officer | Sell | $144.72K |
| Feb 17, 2026 | Reiss Joel | Co-Chief Operating Officer | Sell | $154.17K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2028 Q3 | - | - |
| 2026 Q3 | - | - |
| 2025 Q3 | - | 22 |
| 2025 Q2 | - | 108 |
| 2025 Q1 | - | 190 |
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