AMTM

Amentum Holdings

459 hedge funds and large institutions have $4.63B invested in Amentum Holdings in 2025 Q3 according to their latest regulatory filings, with 76 funds opening new positions, 104 increasing their positions, 178 reducing their positions, and 69 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 funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

2% less capital invested

Capital invested by funds: $4.73B → $4.63B (-$98.4M)

2.85% less ownership

Funds ownership: 82.32%79.48% (-2.8%)

42% less repeat investments, than reductions

Existing positions increased: 104 | Existing positions reduced: 178

Holders
459
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$22.9M
Puts
$15.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
XT
126
XTX Topco
Cayman Islands
$1.18M
Tudor Investment Corp
127
Tudor Investment Corp
Connecticut
$1.18M
Blackstone Inc
128
Blackstone Inc
New York
$1.18M
PCMK
129
Paragon Capital Management (Kansas)
Kansas
$1.15M
AB
130
Amalgamated Bank
New York
$1.14M
ASRS
131
Arizona State Retirement System
Arizona
$1.12M
Holocene Advisors
132
Holocene Advisors
New York
$1.1M
HTI
133
Hikari Tsushin Inc
Japan
$1.09M
YCM
134
Yousif Capital Management
Michigan
$1.04M
Wells Fargo
135
Wells Fargo
California
$1.04M
VI
136
Versor Investments
New York
$1.03M
TRSOTSOK
137
Teachers Retirement System of the State of Kentucky
Kentucky
$1.01M
CM
138
Caption Management
Oklahoma
$984K
Mariner
139
Mariner
Kansas
$973K
CHAM
140
Clear Harbor Asset Management
Connecticut
$958K
KA
141
Kerrisdale Advisers
Florida
$947K
Corient Private Wealth
142
Corient Private Wealth
Florida
$935K
COPPSERS
143
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$935K
First Trust Advisors
144
First Trust Advisors
Illinois
$924K
EC
145
EntryPoint Capital
New York
$915K
Universal-Beteiligungs- und Servicegesellschaft
146
Universal-Beteiligungs- und Servicegesellschaft
Germany
$905K
TBA
147
Tower Bridge Advisors
Pennsylvania
$891K
WJWM
148
Williams Jones Wealth Management
New York
$879K
Creative Planning
149
Creative Planning
Kansas
$865K
Balyasny Asset Management
150
Balyasny Asset Management
Illinois
$862K