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
AllianceBernstein
76
AllianceBernstein
Tennessee
$4.06M
AQR Capital Management
77
AQR Capital Management
Connecticut
$3.96M
CCB
78
Country Club Bank
Missouri
$3.94M
California State Teachers Retirement System (CalSTRS)
79
California State Teachers Retirement System (CalSTRS)
California
$3.89M
Two Sigma Advisers
80
Two Sigma Advisers
New York
$3.81M
Wealth Enhancement Advisory Services
81
Wealth Enhancement Advisory Services
Minnesota
$3.8M
SAM
82
Soviero Asset Management
New York
$3.71M
Prudential Financial
83
Prudential Financial
New Jersey
$3.53M
AI
84
Atom Investors
Texas
$3.46M
New York State Teachers Retirement System (NYSTRS)
85
New York State Teachers Retirement System (NYSTRS)
New York
$3.38M
Raymond James Financial
86
Raymond James Financial
Florida
$3.34M
AA
87
Ancora Advisors
Ohio
$3.21M
EGM
88
Engineers Gate Manager
New York
$3.01M
State Board of Administration of Florida Retirement System
89
State Board of Administration of Florida Retirement System
Florida
$2.89M
T. Rowe Price Associates
90
T. Rowe Price Associates
Maryland
$2.83M
Citadel Advisors
91
Citadel Advisors
Florida
$2.83M
ECM
92
ExodusPoint Capital Management
New York
$2.54M
JP Morgan Chase
93
JP Morgan Chase
New York
$2.51M
GI
94
GAMCO Investors
Connecticut
$2.39M
NGM
95
North Growth Management
British Columbia, Canada
$2.31M
DFCM
96
Dark Forest Capital Management
Puerto Rico
$2.3M
State of Wisconsin Investment Board
97
State of Wisconsin Investment Board
Wisconsin
$2.19M
LPL Financial
98
LPL Financial
California
$2.17M
Envestnet Asset Management
99
Envestnet Asset Management
Illinois
$2.15M
State of New Jersey Common Pension Fund D
100
State of New Jersey Common Pension Fund D
New Jersey
$2.1M