AMTM

Amentum Holdings

477 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, 131 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: 79.48%83.63% (+4.2%)

4% more funds holding

Funds holding: 459477 (+18)

17% less repeat investments, than reductions

Existing positions increased: 131 | Existing positions reduced: 158

Holders
477
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
LPL Financial
101
LPL Financial
California
$2.51M
CA
102
CSM Advisors
Pennsylvania
$2.46M
William Blair & Company
103
William Blair & Company
Illinois
$2.32M
Holocene Advisors
104
Holocene Advisors
New York
$2.3M
Citigroup
105
Citigroup
New York
$2.29M
SOADOR
106
State of Alaska Department of Revenue
Alaska
$2.27M
QCM
107
Quantinno Capital Management
New York
$2.26M
PVI
108
Pine Valley Investments
New Jersey
$2.2M
Corient Private Wealth
109
Corient Private Wealth
Florida
$2.15M
AllianceBernstein
110
AllianceBernstein
Tennessee
$2.07M
RCG
111
Ridge Creek Global
Ohio
$2.06M
LSERS
112
Louisiana State Employees Retirement System
Louisiana
$2.04M
RCAP
113
Resolute Capital Asset Partners
Colorado
$2.03M
Janus Henderson Group
114
Janus Henderson Group
United Kingdom
$2.01M
WAM
115
Wolverine Asset Management
Illinois
$1.97M
Envestnet Asset Management
116
Envestnet Asset Management
Illinois
$1.96M
Treasurer of the State of North Carolina
117
Treasurer of the State of North Carolina
North Carolina
$1.94M
PFSRSONJ
118
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.93M
MAA
119
Mraz Amerine & Associates
California
$1.86M
HCM
120
Hahn Capital Management
California
$1.8M
Millennium Management
121
Millennium Management
New York
$1.77M
CAG
122
Crestwood Advisors Group
Massachusetts
$1.74M
Natixis Advisors
123
Natixis Advisors
Massachusetts
$1.67M
State of Tennessee, Department of Treasury
124
State of Tennessee, Department of Treasury
Tennessee
$1.66M
Citadel Advisors
125
Citadel Advisors
Florida
$1.61M