Amentum Holdings, Inc. · Brief

Next report

23 days

Nov 23 · after closeest.Q4 FY26

Expected move

±8.7%implied · report alone

19.9623.78

straddle ±12.5%

spot 21.87exp Dec 18ATM strike 22.5ATM straddle 3.23IV 50%

Oct 30 closereport share · term structure

Expected move

—≥ implied

Q3 FY26±9.5%▼−8.22%×0.87

quarterimplied−10%0+10%realized×

Q3 FY26±9.5%▼−8.22%×0.87

Shaded = implied · tick ▲▼ = realized · × = |realized| ÷ impliedSource: options EOD · implied at prior close · realized close to close

Nov 23 report · est.

Bull2 of 3

466managers reporting positions in the latest quarterly filings13F · Jun 30 '26

4 of 25largest reporting managers that trimmed positions over the latest quarter13F · Jun 30 '26

Bear2

81.00%revenue concentration in the largest disclosed customer U.S. federal governmentSEC filings

26managers holding most of the reported value13F · Jun 30 '26

AI captions · Oct 26 '26once per report · top 2 per case

AMTM report session

No linked exposure.

No changes.

privateThesis 0 · Decisions 0 · Observations 0

No thesis.