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 %
Federated Hermes
476
Federated Hermes
Pennsylvania
– -$20K -949 Closed
RS
477
R Squared
Hong Kong
– -$18.9K -900 Closed
MFG
478
Menard Financial Group
Texas
– -$16.8K -798 Closed
DP
479
Denver PWM
Colorado
– -$15.8K -750 Closed
NSIM
480
North Star Investment Management
Illinois
– -$13.7K -650 Closed
N
481
Natixis
France
– -$12.2K -578 Closed
CFGS
482
Concourse Financial Group Securities
Alabama
– -$10.9K -471 Closed
WWA
483
Wingate Wealth Advisors
Massachusetts
– -$9.13K -434 Closed
T
484
Transce3nd
Texas
– -$8.33K -396 Closed
HDIM
485
Hanson & Doremus Investment Management
Vermont
– -$6K -303 Closed
AWM
486
Avior Wealth Management
Nebraska
– -$4.96K -236 Closed
LAMC
487
Longview Asset Management (California)
California
– -$3.93K -187 Closed
GM
488
GeoWealth Management
Illinois
– -$2.94K -140 Closed
CAS
489
Coppell Advisory Solutions
Texas
– -$2.74K -123 Closed
PPWM
490
PFG Private Wealth Management
Florida
– -$1.75K -83 Closed
OC
491
Oarsman Capital
Wisconsin
– -$1.28K -61 Closed
VWM
492
Venturi Wealth Management
Texas
– -$1.01K -48 Closed
SS
493
Sunbelt Securities
Texas
– -$714 -32 Closed
BGAI
494
Bruce G. Allen Investments
Colorado
– -$631 -30 Closed
CFB
495
Cullen/Frost Bankers
Texas
– -$305 -15 Closed
PPC
496
Park Place Capital
Alabama
– -$315 -15 Closed
EBA
497
Eagle Bay Advisors
New York
– -$294 -14 Closed
CPG
498
Cornerstone Planning Group
New Jersey
– -$301 -14 Closed
PWMG
499
Private Wealth Management Group
New Jersey
– -$253 -12 Closed
HCP
500
Hexagon Capital Partners
Arkansas
– -$231 -11 Closed
17 18 19
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