AMTM

Amentum Holdings

459 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, 104 increasing their positions, 178 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

Funds holding:

more funds holding in top 10

Funds holding in top 10:

2% less capital invested

Capital invested by funds: $4.73B → $4.63B (-$98.4M)

2.85% less ownership

Funds ownership: 82.32%79.48% (-2.8%)

42% less repeat investments, than reductions

Existing positions increased: 104 | Existing positions reduced: 178

Holders
459
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
Nisa Investment Advisors
151
Nisa Investment Advisors
Missouri
$859K
Manulife (Manufacturers Life Insurance)
152
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$853K
Stifel Financial
153
Stifel Financial
Missouri
$849K
OPERF
154
Oregon Public Employees Retirement Fund
Oregon
$826K
Cerity Partners
155
Cerity Partners
New York
$795K
MCM
156
Massar Capital Management
Connecticut
$795K
Focus Partners Wealth
157
Focus Partners Wealth
Massachusetts
$780K
Franklin Resources
158
Franklin Resources
California
$775K
Jones Financial Companies
159
Jones Financial Companies
Missouri
$766K
AAM
160
Advisors Asset Management
Colorado
$744K
ATIA
161
American Trust Investment Advisors
New Hampshire
$730K
Ensign Peak Advisors
162
Ensign Peak Advisors
Utah
$718K
CAPTRUST Financial Advisors
163
CAPTRUST Financial Advisors
North Carolina
$711K
SM
164
Sciencast Management
New Jersey
$711K
Zurich Cantonal Bank
165
Zurich Cantonal Bank
Switzerland
$707K
MSRPS
166
Maryland State Retirement & Pension System
Maryland
$705K
MAA
167
Mraz Amerine & Associates
California
$699K
SG Americas Securities
168
SG Americas Securities
New York
$696K
Victory Capital Management
169
Victory Capital Management
Texas
$692K
CSIC
170
Clifford Swan Investment Counsel
California
$672K
Osaic Holdings
171
Osaic Holdings
Arizona
$645K
SNBOSD
172
Security National Bank of So Dak
Iowa
$642K
Susquehanna International Group
173
Susquehanna International Group
Pennsylvania
$634K
NRS
174
Neville Rodie & Shaw
New York
$633K
SIA
175
Sit Investment Associates
Minnesota
$628K