AMTM

Amentum Holdings

482 hedge funds and large institutions have $5.27B invested in Amentum Holdings in 2026 Q1 according to their latest regulatory filings, with 71 funds opening new positions, 148 increasing their positions, 152 reducing their positions, and 59 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:

3% less repeat investments, than reductions

Existing positions increased: 148 | Existing positions reduced: 152

6% less capital invested

Capital invested by funds: $5.64B → $5.27B (-$364M)

10% less funds holding in top 10

Funds holding in top 10: 109 (-1)

Holders
482
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
ASRS
151
Arizona State Retirement System
Arizona
$1.14M
DTL
152
Dynamic Technology Lab
Singapore
$1.13M
PCMK
153
Paragon Capital Management (Kansas)
Kansas
$1.13M
Carson Wealth (CWM LLC)
154
Carson Wealth (CWM LLC)
Nebraska
$1.11M
Cerity Partners
155
Cerity Partners
New York
$1.11M
Zurich Cantonal Bank
156
Zurich Cantonal Bank
Switzerland
$1.07M
Manulife (Manufacturers Life Insurance)
157
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.07M
Citigroup
158
Citigroup
New York
$1.06M
LCM
159
Landscape Capital Management
New Jersey
$1.05M
VIA
160
Vanguard Investments Australia
Australia
$1.03M
COPPSERS
161
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$991K
DM
162
Delphi Management
Massachusetts
$988K
YCM
163
Yousif Capital Management
Michigan
$987K
TRSOTSOK
164
Teachers Retirement System of the State of Kentucky
Kentucky
$985K
Jones Financial Companies
165
Jones Financial Companies
Missouri
$974K
Nisa Investment Advisors
166
Nisa Investment Advisors
Missouri
$945K
TBA
167
Tower Bridge Advisors
Pennsylvania
$931K
WC
168
Wexford Capital
Florida
$925K
OPERF
169
Oregon Public Employees Retirement Fund
Oregon
$915K
Universal-Beteiligungs- und Servicegesellschaft
170
Universal-Beteiligungs- und Servicegesellschaft
Germany
$903K
CHAM
171
Clear Harbor Asset Management
Connecticut
$881K
FRM
172
Fox Run Management
Connecticut
$854K
WJWM
173
Williams Jones Wealth Management
New York
$848K
CAPTRUST Financial Advisors
174
CAPTRUST Financial Advisors
North Carolina
$832K
DT
175
DBA Trading
Florida
$814K