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
Cerity Partners
126
Cerity Partners
New York
$1.5M
S
127
Steadtrust
Texas
$1.46M
Barclays
128
Barclays
United Kingdom
$1.46M
Ohio Public Employees Retirement System (OPERS)
129
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.43M
DM
130
Delphi Management
Massachusetts
$1.42M
Mariner
131
Mariner
Kansas
$1.42M
Victory Capital Management
132
Victory Capital Management
Texas
$1.36M
HTI
133
Hikari Tsushin Inc
Japan
$1.32M
YCM
134
Yousif Capital Management
Michigan
$1.31M
Creative Planning
135
Creative Planning
Kansas
$1.3M
XT
136
XTX Topco
Cayman Islands
$1.3M
Carson Wealth (CWM LLC)
137
Carson Wealth (CWM LLC)
Nebraska
$1.29M
ASRS
138
Arizona State Retirement System
Arizona
$1.27M
AI
139
Atom Investors
Texas
$1.27M
PCMK
140
Paragon Capital Management (Kansas)
Kansas
$1.27M
VI
141
Versor Investments
New York
$1.24M
IC
142
IEQ Capital
California
$1.1M
COPPSERS
143
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.1M
TRSOTSOK
144
Teachers Retirement System of the State of Kentucky
Kentucky
$1.1M
Corient Private Wealth
145
Corient Private Wealth
Florida
$1.07M
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