AMTM
AMENTUM HOLDINGS INCData as of 2026 Q2 (06-30) · 13F snapshot
Summary
AMENTUM HOLDINGS INC (AMTM) is held as common stock by 7 tracked hedge-fund managers, with a combined reported value of ~$78.37M; the largest are Izzy Englander, Ken Griffin, Steven Cohen. 1 tracked manager also disclosed PUT or CALL positions, reported separately below. This quarter: 1 new, 4 added, 2 trimmed. 5 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Common-stock holders71 also report options
Congress trades5
Price$18.15vs quarter-end-12.19%
Sectors0
This quarter's moves
Top holderNew1
Added4
Trimmed / sold2
Izzy EnglanderCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $3.98M— of portfolio192,4002026 Q2
Value $2.30M— of portfolio111,2002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinPUT | $3.98M | — | — |
| Ken GriffinCALL | $2.30M | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.