AMTM

Amentum Holdings, Inc.
AMTM

Overview Fund Activity

451 hedge funds and large institutions have $4.73B invested in Amentum Holdings, Inc. in 2025 Q2 according to their latest regulatory filings, with 112 funds opening new positions, 227 increasing their positions, 97 reducing their positions, and 65 closing their positions.

Holders
451
Holders Change
+38
Holders Change %
+9.2%
% of All Funds
6.06%
Holding in Top 10
9
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+80%
% of All Funds
0.12%
New
112
Increased
227
Reduced
97
Closed
65
Calls
$44.4M
Puts
$22.2M
Net Calls
+$22.2M
Net Calls Change
+$1.62M

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$110M
2
Invesco
2
Invesco
Georgia
$462M
3
Norges Bank
3
Norges Bank
Norway
$51M
4
Primecap Management
4
Primecap Management
California
$284M
5
FCM
5
Frontier Capital Management
Massachusetts
$129M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$8.1M
2
Balyasny Asset Management
2
Balyasny Asset Management
Illinois
$0
3
CCPM
3
Cooper Creek Partners Management
New York
$0
4
VC
4
Voss Capital
Texas
$33.1M
5
UBS Group
5
UBS Group
Switzerland
$18.1M
Name Market Value Shares Shares
Change 		Shares
Change %
Wealth Enhancement Advisory Services
76
Wealth Enhancement Advisory Services
Minnesota
$3.76M 155,104 +3,303 +2%
New York State Teachers Retirement System (NYSTRS)
77
New York State Teachers Retirement System (NYSTRS)
New York
$3.25M 137,435 -1,051 -0.8%
AA
78
Ancora Advisors
Ohio
$3.12M 132,204 +63,434 +92%
Citigroup
79
Citigroup
New York
$3.07M 129,864 +12,055 +10%
CP
80
CenterBook Partners
Connecticut
$2.96M 125,340 -289,234 -70%
State Board of Administration of Florida Retirement System
81
State Board of Administration of Florida Retirement System
Florida
$2.89M 122,366 +7,730 +7%
WG
82
Winton Group
United Kingdom
$2.65M 112,421 -4,259 -4%
SAM
83
Soviero Asset Management
New York
$2.6M 110,000 +110,000 New
GI
84
GAMCO Investors
Connecticut
$2.57M 108,670 +108,670 New
Nomura Holdings
85
Nomura Holdings
Japan
$2.55M 108,212 +18,269 +20%
T. Rowe Price Associates
86
T. Rowe Price Associates
Maryland
$2.51M 106,147 +18,046 +20%
RA
87
RFG Advisory
Alabama
$2.41M 102,171 +102,171 New
State of New Jersey Common Pension Fund D
88
State of New Jersey Common Pension Fund D
New Jersey
$2.36M 100,104 +2,451 +3%
NGM
89
North Growth Management
British Columbia, Canada
$2.3M 97,000 +5,000 +5%
Envestnet Asset Management
90
Envestnet Asset Management
Illinois
$2.29M 96,785 -403 -0.4%
Verition Fund Management
91
Verition Fund Management
Connecticut
$2.18M 92,481 -198,225 -68%
State of Wisconsin Investment Board
92
State of Wisconsin Investment Board
Wisconsin
$2.17M 91,857 -3,857 -4%
JPMorgan Chase & Co
93
JPMorgan Chase & Co
New York
$2.16M 91,322 +3,608 +4%
LPL Financial
94
LPL Financial
California
$2.14M 90,733 -2,289 -2%
SOADOR
95
State of Alaska Department of Revenue
Alaska
$2.12M 89,832 +10,487 +13%
Universal-Beteiligungs- und Servicegesellschaft
96
Universal-Beteiligungs- und Servicegesellschaft
Germany
$1.98M 83,769 +62,304 +290%
CAG
97
Crestwood Advisors Group
Massachusetts
$1.93M 81,774 +1,215 +2%
IMRF
98
Illinois Municipal Retirement Fund
Illinois
$1.78M 75,452 +8,945 +13%
AGM
99
Alpine Global Management
New York
$1.77M 75,056 -24,944 -25%
Marshall Wace
100
Marshall Wace
United Kingdom
$1.77M 74,831 -72,521 -49%
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4
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