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
6.08%
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 %
Nomura Asset Management
276
Nomura Asset Management
Japan
$35.7K +$2.69K +114 +8%
Bessemer Group
277
Bessemer Group
New Jersey
$35K +$9.55K +404 +38%
GRP
278
Global Retirement Partners
California
$33.5K +$33.5K +1,417 New
BNP Paribas Asset Management
279
BNP Paribas Asset Management
France
$33K +$33K +1,407 New
SPIA
280
Steward Partners Investment Advisory
New York
$28.6K -$28.1K -1,188 -50%
BBHC
281
Brown Brothers Harriman & Co
New York
$28.5K +$2.55K +108 +10%
PB
282
Pinnacle Bancorp
Nebraska
$27.6K +$1.98K +84 +8%
TSMHT
283
Thurston Springer Miller Herd & Titak
Indiana
$27.1K +$3.26K +138 +14%
WTC
284
WhitTier Trust Company
Nevada
$25.5K +$1.44K +61 +6%
AUB
285
Atlantic Union Bankshares
Virginia
$25.4K +$25.4K +1,075 New
AAP
286
Arax Advisory Partners
Colorado
$24.4K +$58 +2 +0.2%
SAM
287
Shell Asset Management
Netherlands
$24K +$24K +1,011 New
National Pension Service
288
National Pension Service
South Korea
$23.5K +$23.5K +995 New
BG
289
BDF Gestion
France
$22.9K +$22.9K +971 New
Northwestern Mutual Wealth Management
290
Northwestern Mutual Wealth Management
Wisconsin
$22.6K +$8.78K +372 +64%
CA
291
Clearstead Advisors
Ohio
$21.7K +$11.6K +493 +115%
CBT
292
Crews Bank & Trust
Florida
$21.3K +$1.2K +51 +6%
SWM
293
Spire Wealth Management
Virginia
$20.6K -$2.74K -116 -12%
SWP
294
Strategic Wealth Partners
Ohio
$19.3K +$19.3K +819 New
YDMI
295
Y.D. More Investments
Israel
$18.4K +$8.38K +355 +84%
BF
296
BOK Financial
Oklahoma
$18.3K +$17K +720 +1,286%
BOTPPF
297
Board of the Pension Protection Fund
United Kingdom
$17.2K +$17.2K +730 New
MCM
298
Manchester Capital Management
Vermont
$17.1K -$14.2K -602 -45%
FCAS
299
First Command Advisory Services
Texas
$16.4K +$921 +39 +6%
EA
300
Evolution Advisers
Virginia
$15K +$849 +36 +6%
10 11
12
13 14