AMTM

Amentum Holdings, Inc.
AMTM

Overview Fund Activity

453 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, 99 reducing their positions, and 65 closing their positions.

Holders
453
Holders Change
+40
Holders Change %
+9.69%
% of All Funds
6.08%
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
99
Closed
65
Calls
$56.6M
Puts
$31.3M
Net Calls
+$25.2M
Net Calls Change
+$4.65M

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$110M
2
Invesco
2
Invesco
Georgia
$462M
3
Primecap Management
3
Primecap Management
California
$284M
4
FCM
4
Frontier Capital Management
Massachusetts
$129M
5
Mirae Asset Global ETFs Holdings
5
Mirae Asset Global ETFs Holdings
Hong Kong
$32.6M

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 Holding Trade Value Shares
Change 		Shares
Change %
PAM
326
Parvin Asset Management
South Dakota
$6.92K +$425 +18 +7%
LFG
327
Larson Financial Group
Missouri
$6.85K -$5.31K -225 -44%
IA
328
IFP Advisors
Florida
$6.82K -$4.42K -187 -39%
RF
329
Rossby Financial
Florida
$6.8K +$378 +16 +6%
GEA
330
Glen Eagle Advisors
New Jersey
$6.75K -$637 -27 -9%
HI
331
Harbour Investments
Wisconsin
$6.59K +$5.93K +251 +896%
DMBA
332
Deseret Mutual Benefit Administrators
Utah
$6.47K +$331 +14 +5%
OC
333
Oakworth Capital
Alabama
$6.4K +$331 +14 +5%
GWP
334
Gen-Wealth Partners
Michigan
$6.4K +$354 +15 +6%
HNB
335
Huntington National Bank
Ohio
$6.33K -$23.6K -999 -79%
UBP
336
Union Bancaire Privee
Switzerland
$5.55K +$5.55K +266 New
CIM
337
Contravisory Investment Management
Massachusetts
$5.5K -$21.7K -917 -80%
DIP
338
DT Investment Partners
Pennsylvania
$5.43K +$283 +12 +6%
FMP
339
Financial Management Professionals
Texas
$5.38K +$307 +13 +6%
PCTC
340
Perkins Coie Trust Company
Washington
$5.17K +$189 +8 +4%
OSNBOA
341
Old Second National Bank of Aurora
Illinois
$5.01K +$283 +12 +6%
BAM
342
Bellevue Asset Management
Washington
$4.65K +$260 +11 +6%
MPWT
343
MassMutual Private Wealth & Trust
Connecticut
$4.6K +$496 +21 +12%
S
344
Sachetta
Massachusetts
$4.58K +$4.04K +171 +743%
FMII
345
Farmers & Merchants Investments Inc
Nebraska
$4.16K +$873 +37 +27%
VCM
346
Versant Capital Management
Arizona
$4.11K +$2.55K +108 +164%
CH
347
Cromwell Holdings
Wyoming
$4.04K -$2.83K -120 -41%
Mitsubishi UFJ Asset Management
348
Mitsubishi UFJ Asset Management
Japan
$4.01K +$213 +9 +6%
HCA
349
Harbor Capital Advisors
Illinois
$4K +$4K +170 New
GSWM
350
Golden State Wealth Management
California
$3.92K +$189 +8 +5%
12 13
14
15 16