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.

New
Increased
Maintained
Reduced
Closed
Holders
453
Holders Change
+40
Holders Change %
+9.69%
% of All Funds
6.07%
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
Millennium Management
New York
+$62.7M
2
Invesco
Invesco
Georgia
+$56.3M
3
Primecap Management
Primecap Management
California
+$46.5M
4
FCM
Frontier Capital Management
Massachusetts
+$44.4M
5
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings
Hong Kong
+$32.6M

Top Sellers

1
Citadel Advisors
Citadel Advisors
Florida
-$61M
2
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$34.2M
3
CCPM
Cooper Creek Partners Management
New York
-$22.3M
4
VC
Voss Capital
Texas
-$19.4M
5
UBS Group
UBS Group
Switzerland
-$18M
Name Holding Trade Value Shares
Change 		Shares
Change %
TPCW
351
TD Private Client Wealth
New York
$3.92K -$354 -15 -8%
AEPWM
352
Atlantic Edge Private Wealth Management
Florida
$3.87K +$213 +9 +6%
LI
353
Louisbourg Investments
New Brunswick, Canada
$3.66K +$3.66K +155 New
GWSG
354
GPS Wealth Strategies Group
Colorado
$3.38K +$118 +5 +4%
RAM
355
Ramirez Asset Management
New York
$3.35K +$992 +42 +42%
USB
356
Union Savings Bank
Connecticut
$3.34K +$225 +9 +7%
RIL
357
Rothschild Investment LLC
Illinois
$3.33K +$1.56K +66 +88%
NB
358
NBT Bank
New York
$3.26K -$15K -637 -82%
ME
359
McIlrath & Eck
Washington
$3.21K +$142 +6 +5%
SPF
360
South Plains Financial
Texas
$3.2K +$3.2K +136 New
OP
361
ORG Partners
Indiana
$3.11K – – –
Mirae Asset Global Investments
362
Mirae Asset Global Investments
South Korea
$3.02K +$3.02K +128 New
HWM
363
Hemington Wealth Management
Virginia
$3K +$111 +5 +4%
LWANC
364
Laurel Wealth Advisors (North Carolina)
North Carolina
$3K +$3K +71 New
NS
365
NBC Securities
Alabama
$3K +$1.7K +91 +130%
VEA
366
Virtus ETF Advisers
New York
$2.86K +$2.86K +121 New
RF
367
Roxbury Financial
New Jersey
$2.79K +$142 +6 +5%
HI
368
Horizon Investments
North Carolina
$2.67K +$2.67K +113 New
GWM
369
Geneos Wealth Management
Colorado
$2.62K +$71 +3 +3%
GBT
370
Grove Bank & Trust
Florida
$2.55K +$449 +19 +21%
KA
371
Kozak & Associates
Colorado
$2.53K +$145 +6 +6%
GGI
372
Godsey & Gibb Inc
Virginia
$2.5K +$142 +6 +6%
HIA
373
Harbor Investment Advisory
Maryland
$2.5K +$142 +6 +6%
PWMG
374
Private Wealth Management Group
New Jersey
$2.5K +$2.5K +106 New
EWM
375
Evermay Wealth Management
Virginia
$2.34K -$11.8K -501 -84%
13 14
15
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