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TransDigm Group

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: 1,1091,071 (-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: 5946 (-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
Name Holding Trade Value Shares
Change
Change in
Stake
AO
376
Allen Operations
New York
$3.64M
SCP
377
Steamboat Capital Partners
New York
$3.64M -$240K -168 -6%
MSRPS
378
Maryland State Retirement & Pension System
Maryland
$3.63M +$98.6K +69 +3%
SAM
379
Securian Asset Management
Minnesota
$3.62M -$276K -193 -7%
BF
380
BOK Financial
Oklahoma
$3.58M -$300K -210 -7%
TYCC
381
Texas Yale Capital Corp
Florida
$3.54M
BS
382
Banco Santander
Spain
$3.51M +$246K +172 +7%
WM
383
Whitford Management
New York
$3.48M -$1.17M -817 -24%
MA
384
Mezzasalma Advisors
New Jersey
$3.47M -$4.29K -3 -0.1%
Commonwealth Equity Services
385
Commonwealth Equity Services
Massachusetts
$3.42M +$119K +83 +3%
A
386
Allianz
Germany
$3.42M
AI
387
Atria Investments
North Carolina
$3.39M -$1.94M -1,358 -35%
ECM
388
Eisler Capital Management
United Kingdom
$3.39M -$23.8M -16,660 -86%
GAM
389
Generali Asset Management
Italy
$3.33M +$2.86K +2 +0.1%
GT
390
Glenview Trust
Kentucky
$3.32M +$678K +474 +23%
NMERB
391
New Mexico Educational Retirement Board
New Mexico
$3.29M -$143K -100 -4%
Lido Advisors
392
Lido Advisors
California
$3.29M +$329K +230 +10%
P
393
&Partners
Tennessee
$3.29M +$665K +465 +23%
KIA
394
Knollwood Investment Advisory
Maryland
$3.27M
CA
395
Clearstead Advisors
Ohio
$3.26M -$1.81M -1,267 -34%
ALMGDA
396
AG2R La Mondiale Gestion d'Actifs
France
$3.24M
SG Americas Securities
397
SG Americas Securities
New York
$3.21M -$29.3M -20,515 -89%
PAG
398
Private Advisor Group
New Jersey
$3.19M -$274K -192 -7%
Mercer Global Advisors
399
Mercer Global Advisors
Colorado
$3.18M +$220K +154 +7%
BFM
400
Boothbay Fund Management
New York
$3.16M +$1.53M +1,068 +80%

TDG Hedge Fund Activity: Q3 2025 in Review

1,071 of the 7,619 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.