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AMTM

Amentum Holdings

483 hedge funds and large institutions have $5.64B invested in Amentum Holdings in 2025 Q4 according to their latest regulatory filings, with 88 funds opening new positions, 133 increasing their positions, 158 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed

143% more call options, than puts

Call options by funds: $73.7M | Put options by funds: $30.3M

54% more first-time investments, than exits

New positions opened: 88 | Existing positions closed: 57

22% more capital invested

Capital invested by funds: $4.63B → $5.64B (+$1.01B)

11% more funds holding in top 10

Funds holding in top 10: 910 (+1)

5% more funds holding

Funds holding: 462483 (+21)

4.16% more ownership

Funds ownership: 79.49%83.65% (+4.2%)

16% less repeat investments, than reductions

Existing positions increased: 133 | Existing positions reduced: 158

Holders
483
Holders Change
+21
Holders Change %
+4.55%
% of All Funds
5.88%
Holding in Top 10
10
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+11.11%
% of All Funds
0.12%
New
88
Increased
133
Reduced
158
Closed
57
Calls
$73.7M
Puts
$30.3M
Net Calls
+$43.4M
Net Calls Change
+$35.8M
Name Holding Trade Value Shares
Change
Change in
Stake
LPL Financial
101
LPL Financial
California
$2.51M -$104K -4,050 -4%
CA
102
CSM Advisors
Pennsylvania
$2.46M -$3.02M -118,048 -58%
William Blair & Company
103
William Blair & Company
Illinois
$2.32M +$749K +29,316 +58%
Holocene Advisors
104
Holocene Advisors
New York
$2.3M +$857K +33,507 +73%
Citigroup
105
Citigroup
New York
$2.29M +$58.8K +2,299 +3%
SOADOR
106
State of Alaska Department of Revenue
Alaska
$2.27M +$24.9K +974 +1%
QCM
107
Quantinno Capital Management
New York
$2.26M +$330K +12,920 +20%
PVI
108
Pine Valley Investments
New Jersey
$2.2M +$56.2K +2,197 +3%
Corient Private Wealth
109
Corient Private Wealth
Florida
$2.15M +$889K +34,770 +89%
AllianceBernstein
110
AllianceBernstein
Tennessee
$2.07M -$2.52M -98,453 -58%
RCG
111
Ridge Creek Global
Ohio
$2.06M +$1.81M +70,888 New
LSERS
112
Louisiana State Employees Retirement System
Louisiana
$2.04M -$7.67K -300 -0.4%
RCAP
113
Resolute Capital Asset Partners
Colorado
$2.03M +$1.79M +70,000 New
Janus Henderson Group
114
Janus Henderson Group
United Kingdom
$2.01M
WAM
115
Wolverine Asset Management
Illinois
$1.97M
Envestnet Asset Management
116
Envestnet Asset Management
Illinois
$1.96M -$560K -21,893 -24%
Treasurer of the State of North Carolina
117
Treasurer of the State of North Carolina
North Carolina
$1.94M -$125K -4,874 -7%
PFSRSONJ
118
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.93M -$128K -4,994 -7%
MAA
119
Mraz Amerine & Associates
California
$1.86M +$896K +35,033 +120%
HCM
120
Hahn Capital Management
California
$1.8M -$97.1K -3,800 -6%
Millennium Management
121
Millennium Management
New York
$1.77M -$14.8M -579,612 -90%
CAG
122
Crestwood Advisors Group
Massachusetts
$1.74M -$450K -17,593 -23%
Natixis Advisors
123
Natixis Advisors
Massachusetts
$1.67M -$232K -9,071 -14%
State of Tennessee, Department of Treasury
124
State of Tennessee, Department of Treasury
Tennessee
$1.66M -$477K -18,660 -29%
Citadel Advisors
125
Citadel Advisors
Florida
$1.61M -$1.59M -62,385 -53%