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
Pictet Asset Management
176
Pictet Asset Management
Switzerland
$732K
AGM
177
Alpine Global Management
New York
$725K
A
178
AlphaQuest
New York
$699K
PAM
179
Peak Asset Management
Colorado
$696K
NRS
180
Neville Rodie & Shaw
New York
$694K
SI
181
Stephens Inc
Arkansas
$654K
DA
182
Dover Advisors
Virginia
$644K
MWM
183
Modera Wealth Management
New Jersey
$636K
GF
184
Gabelli Funds
New York
$620K
Cetera Investment Advisers
185
Cetera Investment Advisers
Illinois
$617K
Deutsche Bank
186
Deutsche Bank
Germany
$614K
AAM
187
Advisors Asset Management
Colorado
$611K
MF
188
Magnetar Financial
Illinois
$605K
LIM
189
Lathrop Investment Management
Arkansas
$589K
QCM
190
Qsemble Capital Management
New York
$584K
Bank of Montreal
191
Bank of Montreal
Ontario, Canada
$563K
OWIM
192
Old West Investment Management
California
$561K
CSIC
193
Clifford Swan Investment Counsel
California
$561K
SNBOSCI
194
Security National Bank of Sioux City Iowa
Iowa
$559K
CC
195
Carlson Capital
Texas
$551K
Wellington Management Group
196
Wellington Management Group
Massachusetts
$549K
LAI
197
Legal Advantage Investments
California
$548K
CIBC Asset Management
198
CIBC Asset Management
Ontario, Canada
$548K
Neuberger Berman Group
199
Neuberger Berman Group
New York
$547K
OAM
200
Oxford Asset Management
United Kingdom
$540K