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
6.05%
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
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 Market Value Shares Shares
Change 		Shares
Change %
TPCW
351
TD Private Client Wealth
New York
$3.92K 166 -15 -8%
AEPWM
352
Atlantic Edge Private Wealth Management
Florida
$3.87K 164 +9 +6%
LI
353
Louisbourg Investments
New Brunswick, Canada
$3.66K 155 +155 New
GWSG
354
GPS Wealth Strategies Group
Colorado
$3.38K 143 +5 +4%
RAM
355
Ramirez Asset Management
New York
$3.35K 142 +42 +42%
USB
356
Union Savings Bank
Connecticut
$3.34K 134 +9 +7%
RIL
357
Rothschild Investment LLC
Illinois
$3.33K 141 +66 +88%
NB
358
NBT Bank
New York
$3.26K 138 -637 -82%
ME
359
McIlrath & Eck
Washington
$3.21K 136 +6 +5%
SPF
360
South Plains Financial
Texas
$3.2K 136 +136 New
OP
361
ORG Partners
Indiana
$3.11K 130 – –
Mirae Asset Global Investments
362
Mirae Asset Global Investments
South Korea
$3.02K 128 +128 New
HWM
363
Hemington Wealth Management
Virginia
$3K 135 +5 +4%
LWANC
364
Laurel Wealth Advisors (North Carolina)
North Carolina
$3K 71 +71 New
NS
365
NBC Securities
Alabama
$3K 161 +91 +130%
VEA
366
Virtus ETF Advisers
New York
$2.86K 121 +121 New
RF
367
Roxbury Financial
New Jersey
$2.79K 118 +6 +5%
HI
368
Horizon Investments
North Carolina
$2.67K 113 +113 New
GWM
369
Geneos Wealth Management
Colorado
$2.62K 111 +3 +3%
GBT
370
Grove Bank & Trust
Florida
$2.55K 108 +19 +21%
KA
371
Kozak & Associates
Colorado
$2.53K 105 +6 +6%
HIA
372
Harbor Investment Advisory
Maryland
$2.5K 106 +6 +6%
GGI
373
Godsey & Gibb Inc
Virginia
$2.5K 106 +6 +6%
PWMG
374
Private Wealth Management Group
New Jersey
$2.5K 106 +106 New
EWM
375
Evermay Wealth Management
Virginia
$2.34K 99 -501 -84%
13 14
15
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