AMTM

Amentum Holdings

452 hedge funds and large institutions have $4.63B invested in Amentum Holdings in 2025 Q3 according to their latest regulatory filings, with 76 funds opening new positions, 103 increasing their positions, 176 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

less funds holding

Funds holding:

2% less capital invested

Capital invested by funds: $4.73B → $4.63B (-$99.6M)

2.86% less ownership

Funds ownership: 82.31%79.45% (-2.9%)

41% less repeat investments, than reductions

Existing positions increased: 103 | Existing positions reduced: 176

Holders
452
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$22.9M
Puts
$15.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
WTA
251
Washington Trust Advisors
Massachusetts
$198K
Canada Pension Plan Investment Board
252
Canada Pension Plan Investment Board
Ontario, Canada
$194K
CI
253
CX Institutional
Indiana
$193K
Optiver Holding
254
Optiver Holding
Netherlands
$190K
ST
255
Smithfield Trust
Pennsylvania
$189K
AAP
256
Arax Advisory Partners
Colorado
$186K
BFPW
257
BOK Financial Private Wealth
Colorado
$170K
Rockefeller Capital Management
258
Rockefeller Capital Management
New York
$136K
CIBC Private Wealth Group
259
CIBC Private Wealth Group
Georgia
$127K
GI
260
GAMMA Investing
California
$120K
WT
261
Whittier Trust
California
$104K
UB
262
UMB Bank
Missouri
$99.8K
PA
263
Parallel Advisors
California
$99.7K
MCM
264
MAI Capital Management
Ohio
$93.2K
SO
265
STRS Ohio
Ohio
$91.2K
ACM
266
Aster Capital Management
United Arab Emirates
$70.2K
FFA
267
Farther Finance Advisors
California
$69.3K
SOW
268
State of Wyoming
Wyoming
$67K
MIM
269
MetLife Investment Management
New Jersey
$63.6K
ASN
270
Advisory Services Network
Georgia
$60.9K
PHK
271
Point72 Hong Kong
Hong Kong
$59.1K
Fifth Third Bancorp
272
Fifth Third Bancorp
Ohio
$56K
S
273
SignatureFD
Georgia
$52.6K
LWCFA
274
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$50.4K
SAM
275
Smartleaf Asset Management
Massachusetts
$48.9K