AMTM

Amentum Holdings

476 hedge funds and large institutions have $5.64B invested in Amentum Holdings in 2025 Q4 according to their latest regulatory filings, with 85 funds opening new positions, 130 increasing their positions, 159 reducing their positions, and 58 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:

4.13% more ownership

Funds ownership: 79.49%83.62% (+4.1%)

3% more funds holding

Funds holding: 460476 (+16)

18% less repeat investments, than reductions

Existing positions increased: 130 | Existing positions reduced: 159

Holders
476
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
AllianceBernstein
109
AllianceBernstein
Tennessee
$2.07M
RCG
110
Ridge Creek Global
Ohio
$2.06M
LSERS
111
Louisiana State Employees Retirement System
Louisiana
$2.04M
RCAP
112
Resolute Capital Asset Partners
Colorado
$2.03M
Janus Henderson Group
113
Janus Henderson Group
United Kingdom
$2.01M
WAM
114
Wolverine Asset Management
Illinois
$1.97M
Envestnet Asset Management
115
Envestnet Asset Management
Illinois
$1.96M
Treasurer of the State of North Carolina
116
Treasurer of the State of North Carolina
North Carolina
$1.94M
PFSRSONJ
117
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.93M
MAA
118
Mraz Amerine & Associates
California
$1.86M
HCM
119
Hahn Capital Management
California
$1.8M
Millennium Management
120
Millennium Management
New York
$1.77M
CAG
121
Crestwood Advisors Group
Massachusetts
$1.74M
Natixis Advisors
122
Natixis Advisors
Massachusetts
$1.67M
State of Tennessee, Department of Treasury
123
State of Tennessee, Department of Treasury
Tennessee
$1.66M
Citadel Advisors
124
Citadel Advisors
Florida
$1.61M
AB
125
Amalgamated Bank
New York
$1.57M