AMTM

Amentum Holdings, Inc.
AMTM

Overview Fund Activity

445 hedge funds and large institutions have $3.48B invested in Amentum Holdings, Inc. in 2024 Q4 according to their latest regulatory filings, with 143 funds opening new positions, 94 increasing their positions, 158 reducing their positions, and 182 closing their positions.

Holders
445
Holders Change
-42
Holders Change %
-8.62%
% of All Funds
5.93%
Holding in Top 10
5
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+400%
% of All Funds
0.07%
New
143
Increased
94
Reduced
158
Closed
182
Calls
$93.5M
Puts
$43.8M
Net Calls
+$49.7M
Net Calls Change
+$39.6M

Top Buyers

1
AS
1
American Securities
New York
$923M
2
BlackRock
2
BlackRock
New York
$353M
3
Invesco
3
Invesco
Georgia
$291M
4
CCPM
4
Cooper Creek Partners Management
New York
$87.4M
5
Kovitz Investment Group Partners
5
Kovitz Investment Group Partners
Illinois
$66.3M

Top Sellers

1
Barrow, Hanley, Mewhinney & Strauss
1
Barrow, Hanley, Mewhinney & Strauss
Texas
$0
2
Boston Partners
2
Boston Partners
Massachusetts
$0
3
Ninety One (UK)
3
Ninety One (UK)
United Kingdom
$0
4
Massachusetts Financial Services
4
Massachusetts Financial Services
Massachusetts
$0
5
Macquarie Group
5
Macquarie Group
Australia
$98.2K
Name Market Value Shares Shares
Change 		Shares
Change %
AS
1
American Securities
New York
$923M 43,893,904 +43,893,904 New
BlackRock
2
BlackRock
New York
$353M 16,774,771 +7,857,343 +88%
Vanguard Group
3
Vanguard Group
Pennsylvania
$348M 16,542,447 +2,529,173 +18%
Invesco
4
Invesco
Georgia
$291M 13,856,239 +6,055,638 +78%
State Street
5
State Street
Massachusetts
$136M 6,454,253 -873,055 -12%
Primecap Management
6
Primecap Management
California
$135M 6,414,379 +1,143,097 +22%
CCPM
7
Cooper Creek Partners Management
New York
$87.4M 4,157,034 +3,319,364 +396%
Kovitz Investment Group Partners
8
Kovitz Investment Group Partners
Illinois
$66.3M 3,152,262 +3,017,236 +2,235%
Allspring Global Investments
9
Allspring Global Investments
North Carolina
$52.4M 2,420,967 -10,008 -0.4%
RCG
10
Ruane, Cunniff & Goldfarb
New York
$51.2M 2,436,294 -94,195 -4%
Fidelity Investments
11
Fidelity Investments
Massachusetts
$50.4M 2,395,053 +2,315,738 +2,920%
Wellington Management Group
12
Wellington Management Group
Massachusetts
$49.1M 2,333,221 +1,398,143 +150%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$41.3M 1,963,248 -1,182,016 -38%
TSW
14
Thompson Siegel & Walmsley
Virginia
$41M 1,948,684 +1,606,442 +469%
Fidelity International
15
Fidelity International
Bermuda
$37.7M 1,793,553 +1,058,441 +144%
Thrivent Financial for Lutherans
16
Thrivent Financial for Lutherans
Minnesota
$33.9M 1,611,796 +1,076,375 +201%
Morgan Stanley
17
Morgan Stanley
New York
$31.2M 1,482,521 +455,572 +44%
Norges Bank
18
Norges Bank
Norway
$30.3M 1,440,127 +1,440,127 New
Charles Schwab
19
Charles Schwab
California
$26.6M 1,264,257 +503,741 +66%
Millennium Management
20
Millennium Management
New York
$25.2M 1,196,574 +524,807 +78%
Dimensional Fund Advisors
21
Dimensional Fund Advisors
Texas
$24.3M 1,154,130 -105,218 -8%
VanEck Associates
22
VanEck Associates
New York
$23.8M 1,132,285 +1,132,285 New
UBS Group
23
UBS Group
Switzerland
$23.8M 1,131,744 +705,180 +165%
CP
24
Castalian Partners
Minnesota
$21M 1,000,000 +1,000,000 New
ACM
25
Arvin Capital Management
Texas
$20.3M 965,197 +965,197 New
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