AMTM

Amentum Holdings

450 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, 102 increasing their positions, 175 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 in top 10

Funds holding in top 10:

less capital invested

Capital invested by funds: $ → $

1% less funds holding

Funds holding: 456450 (-6)

2.87% less ownership

Funds ownership: 82.31%79.44% (-2.9%)

42% less repeat investments, than reductions

Existing positions increased: 102 | Existing positions reduced: 175

Holders
450
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
Tudor Investment Corp
126
Tudor Investment Corp
Connecticut
$1.18M
Blackstone Inc
127
Blackstone Inc
New York
$1.18M
PCMK
128
Paragon Capital Management (Kansas)
Kansas
$1.15M
AB
129
Amalgamated Bank
New York
$1.14M
ASRS
130
Arizona State Retirement System
Arizona
$1.12M
Holocene Advisors
131
Holocene Advisors
New York
$1.1M
HTI
132
Hikari Tsushin Inc
Japan
$1.09M
YCM
133
Yousif Capital Management
Michigan
$1.04M
Wells Fargo
134
Wells Fargo
California
$1.04M
VI
135
Versor Investments
New York
$1.03M
TRSOTSOK
136
Teachers Retirement System of the State of Kentucky
Kentucky
$1.01M
CM
137
Caption Management
Oklahoma
$984K
Mariner
138
Mariner
Kansas
$973K
CHAM
139
Clear Harbor Asset Management
Connecticut
$958K
KA
140
Kerrisdale Advisers
Florida
$947K
Corient Private Wealth
141
Corient Private Wealth
Florida
$935K
COPPSERS
142
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$935K
First Trust Advisors
143
First Trust Advisors
Illinois
$924K
EC
144
EntryPoint Capital
New York
$915K
Universal-Beteiligungs- und Servicegesellschaft
145
Universal-Beteiligungs- und Servicegesellschaft
Germany
$905K
TBA
146
Tower Bridge Advisors
Pennsylvania
$891K
WJWM
147
Williams Jones Wealth Management
New York
$879K
Creative Planning
148
Creative Planning
Kansas
$865K
Balyasny Asset Management
149
Balyasny Asset Management
Illinois
$862K
Nisa Investment Advisors
150
Nisa Investment Advisors
Missouri
$859K