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
OAM
501
Oxford Asset Management
United Kingdom
IPW
502
Impact Partnership Wealth
Georgia
PA
503
Profund Advisors
Maryland
SF
504
Summit Financial
New Jersey
LCM
505
LuminArx Capital Management
New York
PCM
506
Penserra Capital Management
California
YIH
507
Y-Intercept (HK)
Hong Kong
Grantham, Mayo, Van Otterloo & Co (GMO)
508
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
AIP
509
ARS Investment Partners
New York
SI
510
Symmetry Investments
Jersey
GC
511
Guggenheim Capital
Illinois
CFP
512
Comprehensive Financial Planning
Pennsylvania
CIA
513
Concurrent Investment Advisors
Florida
KeyBank National Association
514
KeyBank National Association
Ohio
SRC
515
Sage Rhino Capital
California
UCFA
516
United Capital Financial Advisors
Texas
KAS
517
Kestra Advisory Services
Texas
VWWMG
518
Vermillion & White Wealth Management Group
Pennsylvania
FHA
519
Flagship Harbor Advisors
Massachusetts
NA
520
NewEdge Advisors
Louisiana
MFG
521
Mendota Financial Group
Wisconsin
TSMHT
522
Thurston Springer Miller Herd & Titak
Indiana
WAS
523
Winch Advisory Services
Wisconsin
LWANC
524
Laurel Wealth Advisors (North Carolina)
North Carolina
DT
525
DV Trading
Illinois