AMTM

Amentum Holdings

481 hedge funds and large institutions have $5.64B invested in Amentum Holdings in 2025 Q4 according to their latest regulatory filings, with 86 funds opening new positions, 133 increasing their positions, 158 reducing their positions, and 57 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:

4.16% more ownership

Funds ownership: 79.49%83.65% (+4.2%)

4% more funds holding

Funds holding: 462481 (+19)

16% less repeat investments, than reductions

Existing positions increased: 133 | Existing positions reduced: 158

Holders
481
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
US Bancorp
176
US Bancorp
Minnesota
$742K
Pictet Asset Management
177
Pictet Asset Management
Switzerland
$732K
AGM
178
Alpine Global Management
New York
$725K
A
179
AlphaQuest
New York
$699K
PAM
180
Peak Asset Management
Colorado
$696K
NRS
181
Neville Rodie & Shaw
New York
$694K
SI
182
Stephens Inc
Arkansas
$654K
DA
183
Dover Advisors
Virginia
$644K
MWM
184
Modera Wealth Management
New Jersey
$636K
GF
185
Gabelli Funds
New York
$620K
Cetera Investment Advisers
186
Cetera Investment Advisers
Illinois
$617K
Deutsche Bank
187
Deutsche Bank
Germany
$614K
AAM
188
Advisors Asset Management
Colorado
$611K
MF
189
Magnetar Financial
Illinois
$605K
LIM
190
Lathrop Investment Management
Arkansas
$589K
QCM
191
Qsemble Capital Management
New York
$584K
Bank of Montreal
192
Bank of Montreal
Ontario, Canada
$563K
OWIM
193
Old West Investment Management
California
$561K
CSIC
194
Clifford Swan Investment Counsel
California
$561K
SNBOSCI
195
Security National Bank of Sioux City Iowa
Iowa
$559K
CC
196
Carlson Capital
Texas
$551K
Wellington Management Group
197
Wellington Management Group
Massachusetts
$549K
LAI
198
Legal Advantage Investments
California
$548K
CIBC Asset Management
199
CIBC Asset Management
Ontario, Canada
$548K
Neuberger Berman Group
200
Neuberger Berman Group
New York
$547K