AMTM

Amentum Holdings

481 hedge funds and large institutions have $5.64B invested in Amentum Holdings in 2025 Q4 according to their latest regulatory filings, with 86 funds opening new positions, 133 increasing their positions, 158 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

4.16% more ownership

Funds ownership: 79.49%83.65% (+4.2%)

4% more funds holding

Funds holding: 462481 (+19)

16% less repeat investments, than reductions

Existing positions increased: 133 | Existing positions reduced: 158

Holders
481
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$73.7M
Puts
$30.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
OAM
201
Oxford Asset Management
United Kingdom
$540K
Truist Financial
202
Truist Financial
North Carolina
$537K
BA
203
Bridgewater Associates
Connecticut
$529K
VPIM
204
Vanguard Personalized Indexing Management
California
$515K
AG
205
ASO Group
$514K
SCM
206
Sterling Capital Management
North Carolina
$510K
MOACM
207
Mutual of America Capital Management
New York
$508K
Cambridge Investment Research Advisors
208
Cambridge Investment Research Advisors
Iowa
$502K
IVP
209
Intrinsic Value Partners
Arizona
$484K
Commonwealth Equity Services
210
Commonwealth Equity Services
Massachusetts
$479K
IPW
211
Impact Partnership Wealth
Georgia
$473K
GFP
212
Gryphon Financial Partners
Ohio
$472K
LIM
213
Leavell Investment Management
Alabama
$468K
PA
214
Profund Advisors
Maryland
$457K
TFA
215
Toth Financial Advisory
Virginia
$455K
Mackenzie Financial
216
Mackenzie Financial
Ontario, Canada
$453K
Mercer Global Advisors
217
Mercer Global Advisors
Colorado
$453K
SF
218
Summit Financial
New Jersey
$440K
LCM
219
LuminArx Capital Management
New York
$435K
HighTower Advisors
220
HighTower Advisors
Illinois
$425K
FBT
221
First Bank & Trust
South Dakota
$411K
First Manhattan
222
First Manhattan
New York
$409K
Public Employees Retirement Association of Colorado
223
Public Employees Retirement Association of Colorado
Colorado
$392K
GIP
224
Granite Investment Partners
California
$384K
ECM
225
Evergreen Capital Management
Washington
$383K