AMTM

Amentum Holdings

450 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, 102 increasing their positions, 175 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 capital invested

Capital invested by funds: $ → $

1% less funds holding

Funds holding: 456450 (-6)

2.87% less ownership

Funds ownership: 82.31%79.44% (-2.9%)

42% less repeat investments, than reductions

Existing positions increased: 102 | Existing positions reduced: 175

Holders
450
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
Neuberger Berman Group
201
Neuberger Berman Group
New York
$446K
DTL
202
Dynamic Technology Lab
Singapore
$442K
Commonwealth Equity Services
203
Commonwealth Equity Services
Massachusetts
$426K
Cambridge Investment Research Advisors
204
Cambridge Investment Research Advisors
Iowa
$423K
DA
205
Dover Advisors
Virginia
$414K
MOACM
206
Mutual of America Capital Management
New York
$411K
IVP
207
Intrinsic Value Partners
Arizona
$399K
LIM
208
Leavell Investment Management
Alabama
$386K
VPIM
209
Vanguard Personalized Indexing Management
California
$384K
Carson Wealth (CWM LLC)
210
Carson Wealth (CWM LLC)
Nebraska
$372K
SF
211
Summit Financial
New Jersey
$364K
GIP
212
Granite Investment Partners
California
$353K
ET
213
Entropy Technologies
New York
$349K
Pathstone Holdings
214
Pathstone Holdings
New Jersey
$345K
FBT
215
First Bank & Trust
South Dakota
$341K
First Manhattan
216
First Manhattan
New York
$340K
HighTower Advisors
217
HighTower Advisors
Illinois
$335K
CIBC Asset Management
218
CIBC Asset Management
Ontario, Canada
$335K
ECM
219
Evergreen Capital Management
Washington
$332K
TFA
220
Toth Financial Advisory
Virginia
$328K
DC
221
Davenport & Co
Virginia
$327K
Public Employees Retirement Association of Colorado
222
Public Employees Retirement Association of Colorado
Colorado
$324K
PNC Financial Services Group
223
PNC Financial Services Group
Pennsylvania
$323K
QCG
224
Quadrant Capital Group
Ohio
$313K
OAM
225
Oppenheimer Asset Management
New York
$290K