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TransDigm Group
TDG

1,071 hedge funds and large institutions have $70.6B invested in TransDigm Group in 2025 Q3 according to their latest regulatory filings, with 100 funds opening new positions, 413 increasing their positions, 392 reducing their positions, and 121 closing their positions.

New
Increased
Maintained
Reduced
Closed

25% more call options, than puts

Call options by funds: $468M | Put options by funds: $375M

5% more repeat investments, than reductions

Existing positions increased: 413 | Existing positions reduced: 392

1.66% less ownership

Funds ownership: 96.72% → 95.07% (-1.7%)

3% less funds holding

Funds holding: 1,109 → 1,071 (-38)

14% less capital invested

Capital invested by funds: $82.3B → $70.6B (-$11.7B)

17% less first-time investments, than exits

New positions opened: 100 | Existing positions closed: 121

22% less funds holding in top 10

Funds holding in top 10: 59 → 46 (-13)

Holders
1,071
Holders Change
-38
Holders Change %
-3.43%
% of All Funds
14.06%
Holding in Top 10
46
Holding in Top 10 Change
-13
Holding in Top 10 Change %
-22.03%
% of All Funds
0.6%
New
100
Increased
413
Reduced
392
Closed
121
Calls
$468M
Puts
$375M
Net Calls
+$92.2M
Net Calls Change
+$243M

Top Buyers

Rank Fund Capital Flow
1
SCP
Soroban Capital Partners
New York
+$808M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$586M
3
Principal Financial Group
Principal Financial Group
Iowa
+$526M
4
Franklin Resources
Franklin Resources
California
+$420M
5
Capital International Investors
Capital International Investors
California
+$364M

Top Sellers

Rank Fund Capital Flow
1
JP Morgan Chase
JP Morgan Chase
New York
-$1.05B
2
COPPSERS
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
-$286M
3
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$160M
4
BCPEMI
Bain Capital Public Equity Management II
Massachusetts
-$160M
5
Holocene Advisors
Holocene Advisors
New York
-$150M
Name Holding Trade Value Shares
Change 		Change in
Stake
Legal & General Group
26
Legal & General Group
United Kingdom
$413M +$18.8M +13,150 +4%
UBS AM
27
UBS AM
Illinois
$365M -$103M -72,397 -21%
Bank of New York Mellon
28
Bank of New York Mellon
New York
$359M -$29.7M -20,809 -7%
N
29
Nuveen
North Carolina
$331M -$35.3M -24,678 -9%
VVP
30
Vulcan Value Partners
Alabama
$329M +$25.8M +18,048 +8%
Canada Pension Plan Investment Board
31
Canada Pension Plan Investment Board
Ontario, Canada
$292M +$69.9M +48,890 +28%
Westfield Capital Management
32
Westfield Capital Management
Massachusetts
$287M -$103M -72,116 -25%
Sumitomo Mitsui Trust Group
33
Sumitomo Mitsui Trust Group
Japan
$266M +$6.96M +4,870 +2%
DCP
34
Darsana Capital Partners
New York
$264M +$35.7M +25,000 +14%
Alkeon Capital Management
35
Alkeon Capital Management
New York
$258M – – –
Wells Fargo
36
Wells Fargo
California
$248M +$5.97M +4,174 +2%
CIBC Private Wealth Group
37
CIBC Private Wealth Group
Georgia
$230M -$41.3M -28,905 -14%
William Blair & Company
38
William Blair & Company
Illinois
$228M -$435K -304 -0.2%
DDC
39
DF Dent & Co
Maryland
$219M +$675K +472 +0.3%
National Pension Service
40
National Pension Service
South Korea
$215M +$3.37M +2,356 +1%
Swiss National Bank
41
Swiss National Bank
Switzerland
$213M -$11.2M -7,800 -5%
HCL
42
Heard Capital LLC
Illinois
$207M +$32M +22,396 +17%
Dimensional Fund Advisors
43
Dimensional Fund Advisors
Texas
$200M +$16.6M +11,588 +8%
Ameriprise
44
Ameriprise
Minnesota
$199M -$19.9M -13,917 -8%
Barclays
45
Barclays
United Kingdom
$184M +$29.7M +20,763 +17%
Neuberger Berman Group
46
Neuberger Berman Group
New York
$182M -$20.4M -14,291 -9%
Brown Advisory
47
Brown Advisory
Maryland
$164M -$66.1M -46,259 -27%
Deutsche Bank
48
Deutsche Bank
Germany
$163M -$7.38M -5,161 -4%
SGM
49
Skye Global Management
Florida
$158M – – –
Mitsubishi UFJ Asset Management
50
Mitsubishi UFJ Asset Management
Japan
$150M +$6.9M +4,824 +4%
1
2
3 4 5

TDG Hedge Fund Activity: Q3 2025 in Review

1,071 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in TransDigm Group (TDG) for Q3 2025, worth a combined $70.6B — down 14% from $82.3B a quarter earlier.

Sellers outnumbered buyers: 121 funds closed out of TDG and 100 opened new positions — a net loss of 21 holders — while 392 trimmed existing stakes and 413 added.

The largest buyer was Soroban Capital Partners, adding an estimated $808M. The largest seller was JP Morgan Chase, cutting an estimated $1.05B.

  • 1,071 institutional investors held TransDigm Group (TDG) as of Q3 2025, down from 1,109 in Q2 2025.
  • Funds reported $70.6B of TransDigm Group stock for Q3 2025, down 14% quarter-over-quarter.
  • 100 funds opened new TransDigm Group positions in Q3 2025 and 121 closed out, a net change of -21 holders.
  • The largest TransDigm Group buyer in Q3 2025 was Soroban Capital Partners, an estimated $808M added.
  • The largest TransDigm Group seller in Q3 2025 was JP Morgan Chase, an estimated $1.05B sold.

Based on aggregated 13F filings for Q3 2025.