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
AB
126
Amalgamated Bank
New York
$1.57M
Cerity Partners
127
Cerity Partners
New York
$1.5M
S
128
Steadtrust
Texas
$1.46M
Barclays
129
Barclays
United Kingdom
$1.46M
Ohio Public Employees Retirement System (OPERS)
130
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.43M
DM
131
Delphi Management
Massachusetts
$1.42M
Mariner
132
Mariner
Kansas
$1.42M
Victory Capital Management
133
Victory Capital Management
Texas
$1.36M
HTI
134
Hikari Tsushin Inc
Japan
$1.32M
YCM
135
Yousif Capital Management
Michigan
$1.31M
Creative Planning
136
Creative Planning
Kansas
$1.3M
XT
137
XTX Topco
Cayman Islands
$1.3M
Carson Wealth (CWM LLC)
138
Carson Wealth (CWM LLC)
Nebraska
$1.29M
ASRS
139
Arizona State Retirement System
Arizona
$1.27M
AI
140
Atom Investors
Texas
$1.27M
PCMK
141
Paragon Capital Management (Kansas)
Kansas
$1.27M
VI
142
Versor Investments
New York
$1.24M
IC
143
IEQ Capital
California
$1.1M
COPPSERS
144
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.1M
TRSOTSOK
145
Teachers Retirement System of the State of Kentucky
Kentucky
$1.1M
Manulife (Manufacturers Life Insurance)
146
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.07M
Capital Fund Management (CFM)
147
Capital Fund Management (CFM)
France
$1.07M
Jones Financial Companies
148
Jones Financial Companies
Missouri
$1.05M
CHAM
149
Clear Harbor Asset Management
Connecticut
$1.05M
Teacher Retirement System of Texas
150
Teacher Retirement System of Texas
Texas
$1.04M