AMTM

Amentum Holdings

462 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, 179 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: 82.34%79.49% (-2.8%)

42% less repeat investments, than reductions

Existing positions increased: 104 | Existing positions reduced: 179

Holders
462
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
126
$1.18M
127
$1.18M
128
$1.18M
129
$1.15M
130
$1.14M
131
$1.12M
132
$1.1M
133
$1.09M
134
$1.04M
135
$1.04M
136
$1.03M
137
$1.01M
138
$984K
139
$973K
140
$958K
141
$947K
142
$935K
143
$935K
144
$924K
145
$915K
146
$905K
147
$891K
148
$879K
149
$865K
150
$862K