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 %
WOC
426
West Oak Capital
California
$180 762 +762 New
PWA
427
Physician Wealth Advisors
Utah
$166 7 – –
IAS
428
IMA Advisory Services
Colorado
$165 7 +7 New
CPG
429
Cornerstone Planning Group
New Jersey
$152 6 +6 New
ZBNA
430
Zions Bancorporation, National Association
Utah
$94 4 -3 -43%
MBFW
431
Morton Brown Family Wealth
Pennsylvania
$94 4 +4 New
AIC
432
Archer Investment Corporation
Indiana
$72 3 -47 -94%
SWA
433
SOA Wealth Advisors
New York
$71 3 – –
CA
434
Crewe Advisors
Utah
$71 3 +3 New
MCA
435
Maryland Capital Advisors
Maryland
$71 3 +3 New
AWM
436
Activest Wealth Management
Florida
$71 3 +3 New
DF
437
Dunhill Financial
United Kingdom
$62 2 -19 -90%
PPC
438
Park Place Capital
Alabama
$48 2 +2 New
PWAM
439
Private Wealth Asset Management
Iowa
$47 2 – –
FHA
440
First Horizon Advisors
Tennessee
$47 2 +2 New
SA
441
Scarborough Advisors
Maryland
$47 2 +2 New
IHWM
442
Iron Horse Wealth Management
Iowa
$47 2 +2 New
CTC
443
Cetera Trust Company
Minnesota
$24 1 +1 New
SC
444
Swan Capital
Florida
$24 1 +1 New
WA
445
WPG Advisers
Maryland
$24 1 +1 New
Pacer Advisors
446
Pacer Advisors
Pennsylvania
$20 1 +1 New
CCA
447
Catalyst Capital Advisors
New York
– – – –
Balyasny Asset Management
448
Balyasny Asset Management
Illinois
– – -1,880,887 Closed
CCPM
449
Cooper Creek Partners Management
New York
– – -1,223,986 Closed
GCM
450
Ghisallo Capital Management
Massachusetts
– – -635,569 Closed
16 17
18
19 20