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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
OAM
201
Oxford Asset Management
United Kingdom
$540K +$476K +18,629 New
Truist Financial
202
Truist Financial
North Carolina
$537K -$18.3K -716 -4%
BA
203
Bridgewater Associates
Connecticut
$529K +$467K +18,251 New
VPIM
204
Vanguard Personalized Indexing Management
California
$515K +$51.1K +1,999 +13%
AG
205
ASO Group
$514K +$453K +17,724 New
SCM
206
Sterling Capital Management
North Carolina
$510K +$195K +7,617 +76%
MOACM
207
Mutual of America Capital Management
New York
$508K +$8.92K +349 +2%
Cambridge Investment Research Advisors
208
Cambridge Investment Research Advisors
Iowa
$502K -$9.1K -356 -2%
IVP
209
Intrinsic Value Partners
Arizona
$484K
Commonwealth Equity Services
210
Commonwealth Equity Services
Massachusetts
$479K -$32.2K -1,260 -7%
IPW
211
Impact Partnership Wealth
Georgia
$473K +$417K +16,314 New
GFP
212
Gryphon Financial Partners
Ohio
$472K +$416K +16,285 New
LIM
213
Leavell Investment Management
Alabama
$468K
PA
214
Profund Advisors
Maryland
$457K +$403K +15,771 New
TFA
215
Toth Financial Advisory
Virginia
$455K +$50.5K +1,974 +14%
Mackenzie Financial
216
Mackenzie Financial
Ontario, Canada
$453K +$396K +15,479 New
Mercer Global Advisors
217
Mercer Global Advisors
Colorado
$453K +$396K +15,502 New
SF
218
Summit Financial
New Jersey
$440K -$307 -12 -0.1%
LCM
219
LuminArx Capital Management
New York
$435K +$383K +15,000 New
HighTower Advisors
220
HighTower Advisors
Illinois
$425K +$16.3K +638 +5%
FBT
221
First Bank & Trust
South Dakota
$411K -$1.58K -62 -0.4%
First Manhattan
222
First Manhattan
New York
$409K -$2.12K -83 -0.6%
Public Employees Retirement Association of Colorado
223
Public Employees Retirement Association of Colorado
Colorado
$392K
GIP
224
Granite Investment Partners
California
$384K -$38.6K -1,510 -10%
ECM
225
Evergreen Capital Management
Washington
$383K -$17.1K -668 -5%