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 %
RPA
401
Redwood Park Advisors
California
$255 – – –
AWM
402
Abound Wealth Management
Tennessee
$146 +$146 +8 New
PWA
403
Physician Wealth Advisors
Utah
$128 – – –
ZBNA
404
Zions Bancorporation, National Association
Utah
$127 +$127 +7 New
GP
405
Greenline Partners
New York
$127 +$127 +7 New
CWC
406
Carolinas Wealth Consulting
North Carolina
$91 – – –
Kayne Anderson Rudnick Investment Management
407
Kayne Anderson Rudnick Investment Management
California
$73 – – –
WW
408
Winnow Wealth
Texas
$65 +$16 +1 +33%
SWA
409
SOA Wealth Advisors
New York
$55 – – –
TWD
410
True Wealth Design
Ohio
$55 +$55 +3 New
PWAM
411
Private Wealth Asset Management
Iowa
$36 +$36 +2 New
AssetMark Inc
412
AssetMark Inc
California
$18 -$1.93K -107 -99%
Allspring Global Investments
413
Allspring Global Investments
North Carolina
– -$52.4M -2,420,967 Closed
Wellington Management Group
414
Wellington Management Group
Massachusetts
– -$49.1M -2,333,221 Closed
Norges Bank
415
Norges Bank
Norway
– -$30.3M -1,440,127 Closed
Mirae Asset Global ETFs Holdings
416
Mirae Asset Global ETFs Holdings
Hong Kong
– -$18.3M -869,596 Closed
MFIM
417
Mesirow Financial Investment Management
Illinois
– -$3.72M -176,931 Closed
HCM
418
Hutchinson Capital Management
California
– -$3.06M -145,490 Closed
Point72 Asset Management
419
Point72 Asset Management
Connecticut
– -$2.66M -126,382 Closed
PCP
420
Pacific Capital Partners
– -$2.63M -125,000 Closed
D.E. Shaw & Co
421
D.E. Shaw & Co
New York
– -$2.52M -119,936 Closed
HSBC Holdings
422
HSBC Holdings
United Kingdom
– -$2.53M -119,517 Closed
UCFA
423
United Capital Financial Advisors
Texas
– -$2.15M -102,313 Closed
CCM
424
Cinctive Capital Management
New York
– -$1.92M -91,085 Closed
XT
425
XTX Topco
Cayman Islands
– -$1.89M -90,065 Closed
15 16
17
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