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AMTM

Amentum Holdings

486 hedge funds and large institutions have $5.28B invested in Amentum Holdings in 2026 Q1 according to their latest regulatory filings, with 71 funds opening new positions, 150 increasing their positions, 152 reducing their positions, and 60 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 ownership

Funds ownership:

more funds holding

Funds holding:

1% less repeat investments, than reductions

Existing positions increased: 150 | Existing positions reduced: 152

6% less capital invested

Capital invested by funds: $5.64B → $5.28B (-$362M)

10% less funds holding in top 10

Funds holding in top 10: 109 (-1)

Holders
486
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
$134M
Puts
$43M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
S
151
Steadtrust
Texas
$1.18M
ASRS
152
Arizona State Retirement System
Arizona
$1.14M
DTL
153
Dynamic Technology Lab
Singapore
$1.13M
PCMK
154
Paragon Capital Management (Kansas)
Kansas
$1.13M
Carson Wealth (CWM LLC)
155
Carson Wealth (CWM LLC)
Nebraska
$1.11M
Cerity Partners
156
Cerity Partners
New York
$1.11M
Zurich Cantonal Bank
157
Zurich Cantonal Bank
Switzerland
$1.07M
Manulife (Manufacturers Life Insurance)
158
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.07M
Citigroup
159
Citigroup
New York
$1.06M
LCM
160
Landscape Capital Management
New Jersey
$1.05M
VIA
161
Vanguard Investments Australia
Australia
$1.03M
COPPSERS
162
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$991K
DM
163
Delphi Management
Massachusetts
$988K
YCM
164
Yousif Capital Management
Michigan
$987K
TRSOTSOK
165
Teachers Retirement System of the State of Kentucky
Kentucky
$985K
Jones Financial Companies
166
Jones Financial Companies
Missouri
$974K
Nisa Investment Advisors
167
Nisa Investment Advisors
Missouri
$945K
TBA
168
Tower Bridge Advisors
Pennsylvania
$931K
WC
169
Wexford Capital
Florida
$925K
OPERF
170
Oregon Public Employees Retirement Fund
Oregon
$915K
Universal-Beteiligungs- und Servicegesellschaft
171
Universal-Beteiligungs- und Servicegesellschaft
Germany
$903K
CHAM
172
Clear Harbor Asset Management
Connecticut
$881K
FRM
173
Fox Run Management
Connecticut
$854K
WJWM
174
Williams Jones Wealth Management
New York
$848K
CAPTRUST Financial Advisors
175
CAPTRUST Financial Advisors
North Carolina
$832K