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AMTM

Amentum Holdings

483 hedge funds and large institutions have $5.64B invested in Amentum Holdings in 2025 Q4 according to their latest regulatory filings, with 88 funds opening new positions, 133 increasing their positions, 158 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed

143% more call options, than puts

Call options by funds: $73.7M | Put options by funds: $30.3M

54% more first-time investments, than exits

New positions opened: 88 | Existing positions closed: 57

22% more capital invested

Capital invested by funds: $4.63B → $5.64B (+$1.01B)

11% more funds holding in top 10

Funds holding in top 10: 910 (+1)

5% more funds holding

Funds holding: 462483 (+21)

4.16% more ownership

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

16% less repeat investments, than reductions

Existing positions increased: 133 | Existing positions reduced: 158

Holders
483
Holders Change
+21
Holders Change %
+4.55%
% of All Funds
5.88%
Holding in Top 10
10
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+11.11%
% of All Funds
0.12%
New
88
Increased
133
Reduced
158
Closed
57
Calls
$73.7M
Puts
$30.3M
Net Calls
+$43.4M
Net Calls Change
+$35.8M
Name Holding Trade Value Shares
Change
Change in
Stake
US Bancorp
176
US Bancorp
Minnesota
$742K -$14.5K -566 -2%
Pictet Asset Management
177
Pictet Asset Management
Switzerland
$732K +$52.7K +2,062 +9%
AGM
178
Alpine Global Management
New York
$725K -$1.28M -50,000 -67%
A
179
AlphaQuest
New York
$699K
PAM
180
Peak Asset Management
Colorado
$696K
NRS
181
Neville Rodie & Shaw
New York
$694K -$64.3K -2,514 -10%
SI
182
Stephens Inc
Arkansas
$654K -$86.9K -3,401 -13%
DA
183
Dover Advisors
Virginia
$644K +$126K +4,934 +29%
MWM
184
Modera Wealth Management
New Jersey
$636K -$20.8K -815 -4%
GF
185
Gabelli Funds
New York
$620K -$23K -900 -4%
Cetera Investment Advisers
186
Cetera Investment Advisers
Illinois
$617K -$49.5K -1,935 -8%
Deutsche Bank
187
Deutsche Bank
Germany
$614K +$62.4K +2,442 +13%
AAM
188
Advisors Asset Management
Colorado
$611K -$255K -9,986 -32%
MF
189
Magnetar Financial
Illinois
$605K +$534K +20,875 New
LIM
190
Lathrop Investment Management
Arkansas
$589K -$64K -2,503 -11%
QCM
191
Qsemble Capital Management
New York
$584K -$45.8K -1,793 -8%
Bank of Montreal
192
Bank of Montreal
Ontario, Canada
$563K -$56.4K -2,205 -10%
OWIM
193
Old West Investment Management
California
$561K +$495K +19,355 New
CSIC
194
Clifford Swan Investment Counsel
California
$561K -$223K -8,718 -31%
SNBOSCI
195
Security National Bank of Sioux City Iowa
Iowa
$559K -$1.07K -42 -0.2%
CC
196
Carlson Capital
Texas
$551K -$128K -5,000 -21%
Wellington Management Group
197
Wellington Management Group
Massachusetts
$549K -$18.9K -740 -4%
LAI
198
Legal Advantage Investments
California
$548K +$483K +18,900 New
CIBC Asset Management
199
CIBC Asset Management
Ontario, Canada
$548K +$125K +4,906 +35%
Neuberger Berman Group
200
Neuberger Berman Group
New York
$547K +$6.06K +237 +1%