AMTM

Amentum Holdings

482 hedge funds and large institutions have $5.27B invested in Amentum Holdings in 2026 Q1 according to their latest regulatory filings, with 71 funds opening new positions, 148 increasing their positions, 152 reducing their positions, and 59 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 ownership

Funds ownership:

more funds holding

Funds holding:

3% less repeat investments, than reductions

Existing positions increased: 148 | Existing positions reduced: 152

6% less capital invested

Capital invested by funds: $5.64B → $5.27B (-$364M)

10% less funds holding in top 10

Funds holding in top 10: 109 (-1)

Holders
482
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
$134M
Puts
$43M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
LIM
226
Leavell Investment Management
Alabama
$434K
SLAM
227
Swiss Life Asset Management
$431K
VPIM
228
Vanguard Personalized Indexing Management
California
$430K
Truist Financial
229
Truist Financial
North Carolina
$427K
HWA
230
Heritage Wealth Advisors
Virginia
$426K
Mackenzie Financial
231
Mackenzie Financial
Ontario, Canada
$424K
Mercer Global Advisors
232
Mercer Global Advisors
Colorado
$404K
BPWM
233
BCS Private Wealth Management
New Jersey
$381K
SCM
234
Sterling Capital Management
North Carolina
$376K
TI
235
Tidal Investments
Wisconsin
$374K
First Manhattan
236
First Manhattan
New York
$368K
STA
237
Summit Trail Advisors
New York
$364K
IVP
238
Intrinsic Value Partners
Arizona
$362K
PNC Financial Services Group
239
PNC Financial Services Group
Pennsylvania
$357K
QCG
240
Quadrant Capital Group
Ohio
$354K
DC
241
Davenport & Co
Virginia
$354K
Public Employees Retirement Association of Colorado
242
Public Employees Retirement Association of Colorado
Colorado
$353K
FAM
243
Formidable Asset Management
Ohio
$351K
FBT
244
First Bank & Trust
South Dakota
$350K
GIP
245
Granite Investment Partners
California
$346K
FNA
246
First National Advisers
Nebraska
$332K
Janney Montgomery Scott
247
Janney Montgomery Scott
Pennsylvania
$332K
LIP
248
Lighthouse Investment Partners
Florida
$316K
CWM
249
Cahaba Wealth Management
Georgia
$315K
Franklin Resources
250
Franklin Resources
California
$309K