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 %
PS
401
Principal Securities
Iowa
$826 35 -3 -8%
CFB
402
Cullen/Frost Bankers
Texas
$826 35 +35 New
MCM
403
MV Capital Management
Maryland
$803 34 +1 +3%
CFD
404
Creative Financial Designs
Indiana
$779 33 +1 +3%
CFO
405
CVA Family Office
Colorado
$685 29 – –
JWA
406
JFS Wealth Advisors
Pennsylvania
$638 27 +1 +4%
1IA
407
1620 Investment Advisors
Massachusetts
$614 26 -14 -35%
SC
408
SouthState Corp
Florida
$567 24 +4 +20%
FGC
409
Financial Gravity Companies
Texas
$567 24 +24 New
LCM
410
Logan Capital Management
Pennsylvania
$567 24 +24 New
RTL
411
Red Tortoise LLC
Georgia
$543 23 +1 +5%
NC
412
NewSquare Capital
Pennsylvania
$543 23 +23 New
AF
413
Advisornet Financial
Minnesota
$519 22 – –
WA
414
Whipplewood Advisors
Colorado
$496 21 +17 +425%
TFG
415
Team Financial Group
California
$496 21 +21 New
OCM
416
Orion Capital Management
California
$472 20 +20 New
NMG
417
New Millennium Group
Utah
$449 19 +1 +6%
TCM
418
TD Capital Management
Tennessee
$425 18 +1 +6%
TCOV
419
Trust Company of Vermont
Vermont
$425 18 +18 New
CAM
420
Creekmur Asset Management
Illinois
$378 16 – –
PWMG
421
Prestige Wealth Management Group
New Jersey
$331 14 – –
CAM
422
Costello Asset Management
Pennsylvania
$307 13 +13 New
Kayne Anderson Rudnick Investment Management
423
Kayne Anderson Rudnick Investment Management
California
$283 12 +8 +200%
AGWCA
424
Annis Gardner Whiting Capital Advisors
Florida
$237 10 +10 New
AWM
425
Abound Wealth Management
Tennessee
$189 8 – –
15 16
17
18 19