AMTM

Amentum Holdings, Inc.
AMTM

Overview Fund Activity

413 hedge funds and large institutions have $3.46B invested in Amentum Holdings, Inc. in 2025 Q1 according to their latest regulatory filings, with 76 funds opening new positions, 110 increasing their positions, 147 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
413
Holders Change
-32
Holders Change %
-7.19%
% of All Funds
5.61%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
76
Increased
110
Reduced
147
Closed
96
Calls
$62.3M
Puts
$41.7M
Net Calls
+$20.6M
Net Calls Change
-$29.2M

Top Buyers

1
Primecap Management
Primecap Management
California
$183M
2
FCM
Frontier Capital Management
Massachusetts
$65.1M
3
Invesco
Invesco
Georgia
$313M
4
Citadel Advisors
Citadel Advisors
Florida
$53.3M
5
DCM
Discovery Capital Management
Connecticut
$47.9M

Top Sellers

1
CCPM
Cooper Creek Partners Management
New York
$22.3M
2
Allspring Global Investments
Allspring Global Investments
North Carolina
$0
3
Wellington Management Group
Wellington Management Group
Massachusetts
$0
4
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings
Hong Kong
$0
5
CP
Castalian Partners
Minnesota
$5.54M
Name Holding Trade Value Shares
Change 		Shares
Change %
Wells Fargo
126
Wells Fargo
California
$918K -$712K -39,109 -44%
MSRPS
127
Maryland State Retirement & Pension System
Maryland
$892K +$2.08K +114 +0.2%
PCMK
128
Paragon Capital Management (Kansas)
Kansas
$875K -$36.8K -2,024 -4%
Ohio Public Employees Retirement System (OPERS)
129
Ohio Public Employees Retirement System (OPERS)
Ohio
$867K +$54.8K +3,010 +7%
YCM
130
Yousif Capital Management
Michigan
$845K -$42.4K -2,330 -5%
NAM
131
Nexpoint Asset Management
Texas
$799K +$471K +25,905 +144%
AB
132
Amalgamated Bank
New York
$789K +$86.5K +4,756 +12%
Corient Private Wealth
133
Corient Private Wealth
Florida
$787K -$538K -29,547 -41%
HTI
134
Hikari Tsushin Inc
Japan
$779K – – –
TPSF
135
Texas Permanent School Fund
Texas
$778K +$778K +35,661 New
AC
136
AWH Capital
Texas
$774K +$774K +42,500 New
QCM
137
Quantinno Capital Management
New York
$750K +$70.9K +3,895 +10%
LIM
138
Lathrop Investment Management
Arkansas
$738K -$793K -43,520 -52%
CHAM
139
Clear Harbor Asset Management
Connecticut
$738K +$738K +40,543 New
FCH
140
Freestone Capital Holdings
Washington
$728K +$728K +40,027 New
VI
141
Versor Investments
New York
$717K +$717K +39,400 New
TBA
142
Tower Bridge Advisors
Pennsylvania
$708K -$998K -54,844 -59%
Cerity Partners
143
Cerity Partners
New York
$706K -$559K -30,719 -44%
Allianz Asset Management
144
Allianz Asset Management
Germany
$704K +$704K +38,700 New
ASRS
145
Arizona State Retirement System
Arizona
$699K -$8.19K -450 -1%
Ensign Peak Advisors
146
Ensign Peak Advisors
Utah
$696K – – –
WJWM
147
Williams Jones Wealth Management
New York
$694K -$53.4K -2,935 -7%
Manulife (Manufacturers Life Insurance)
148
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$683K +$683K +37,520 New
ATIA
149
American Trust Investment Advisors
New Hampshire
$650K -$39.4K -2,166 -6%
Bank of Montreal
150
Bank of Montreal
Ontario, Canada
$645K -$442K -24,282 -41%
4 5
6
7 8