AMTM

Amentum Holdings

476 hedge funds and large institutions have $5.64B invested in Amentum Holdings in 2025 Q4 according to their latest regulatory filings, with 85 funds opening new positions, 130 increasing their positions, 159 reducing their positions, and 58 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 capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

4.13% more ownership

Funds ownership: 79.49%83.62% (+4.1%)

3% more funds holding

Funds holding: 460476 (+16)

18% less repeat investments, than reductions

Existing positions increased: 130 | Existing positions reduced: 159

Holders
476
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$73.7M
Puts
$30.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Nisa Investment Advisors
151
Nisa Investment Advisors
Missouri
$1.04M
WJWM
152
Williams Jones Wealth Management
New York
$1.03M
OPERF
153
Oregon Public Employees Retirement Fund
Oregon
$1.02M
Marshall Wace
154
Marshall Wace
United Kingdom
$1.02M
BHCM
155
Brevan Howard Capital Management
Jersey
$1.02M
TBA
156
Tower Bridge Advisors
Pennsylvania
$991K
TI
157
Tidal Investments
Wisconsin
$985K
Zurich Cantonal Bank
158
Zurich Cantonal Bank
Switzerland
$970K
Universal-Beteiligungs- und Servicegesellschaft
159
Universal-Beteiligungs- und Servicegesellschaft
Germany
$963K
Canada Pension Plan Investment Board
160
Canada Pension Plan Investment Board
Ontario, Canada
$957K
LCM
161
Landscape Capital Management
New Jersey
$956K
OTL
162
Oak Thistle LLC
New York
$956K
CAPTRUST Financial Advisors
163
CAPTRUST Financial Advisors
North Carolina
$926K
Pathstone Holdings
164
Pathstone Holdings
New Jersey
$926K
DT
165
DBA Trading
Florida
$905K
DTL
166
Dynamic Technology Lab
Singapore
$895K
Stifel Financial
167
Stifel Financial
Missouri
$886K
MSRPS
168
Maryland State Retirement & Pension System
Maryland
$867K
ATIA
169
American Trust Investment Advisors
New Hampshire
$846K
Osaic Holdings
170
Osaic Holdings
Arizona
$845K
Group One Trading
171
Group One Trading
Illinois
$826K
WSFS
172
Wilmington Savings Fund Society
Delaware
$779K
SNBOSD
173
Security National Bank of So Dak
Iowa
$773K
SIA
174
Sit Investment Associates
Minnesota
$760K
US Bancorp
175
US Bancorp
Minnesota
$742K