TransDigm Group
1,133 hedge funds and large institutions have $71.5B invested in TransDigm Group in 2025 Q4 according to their latest regulatory filings, with 180 funds opening new positions, 386 increasing their positions, 367 reducing their positions, and 101 closing their positions.
78% more first-time investments, than exits
New positions opened: 180 | Existing positions closed: 101
11% more funds holding in top 10
Funds holding in top 10: 46 → 51 (+5)
6% more funds holding
Funds holding: 1,073 → 1,133 (+60)
5% more repeat investments, than reductions
Existing positions increased: 386 | Existing positions reduced: 367
1% more capital invested
Capital invested by funds: $70.6B → $71.5B (+$952M)
0.44% more ownership
Funds ownership: 95.07% → 95.5% (+0.44%)
48% less call options, than puts
Call options by funds: $136M | Put options by funds: $259M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital Research Global Investors
Los Angeles,
California
|
+$352M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
+$331M |
| 3 |
SCP
Soroban Capital Partners
New York
|
+$219M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$202M |
| 5 |
Temasek Holdings
Singapore
|
+$191M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$869M |
| 2 |
JP Morgan Chase
New York
|
-$353M |
| 3 |
Principal Financial Group
Des Moines,
Iowa
|
-$280M |
| 4 |
Westfield Capital Management
Boston,
Massachusetts
|
-$264M |
| 5 |
Primecap Management
Pasadena,
California
|
-$230M |
TDG Hedge Fund Activity: Q4 2025 in Review
1,133 of the 8,265 institutional investors tracked by Wall St. Rank reported a position in TransDigm Group (TDG) for Q4 2025, worth a combined $71.5B — up 1.3% from $70.6B a quarter earlier.
Buyers outnumbered sellers: 180 funds opened new TDG positions and 101 closed out — a net gain of 79 holders — while 386 added to existing stakes and 367 trimmed.
The largest buyer was Capital Research Global Investors, adding an estimated $352M. The largest seller was Fidelity Investments, cutting an estimated $869M.
- 1,133 institutional investors held TransDigm Group (TDG) as of Q4 2025, up from 1,073 in Q3 2025.
- Funds reported $71.5B of TransDigm Group stock for Q4 2025, up 1.3% quarter-over-quarter.
- 180 funds opened new TransDigm Group positions in Q4 2025 and 101 closed out, a net change of +79 holders.
- The largest TransDigm Group buyer in Q4 2025 was Capital Research Global Investors, an estimated $352M added.
- The largest TransDigm Group seller in Q4 2025 was Fidelity Investments, an estimated $869M sold.
Based on aggregated 13F filings for Q4 2025.