CSTM
Constellium Se - USData as of 2026 Q2 (06-30) · 13F snapshot
Summary
Constellium Se - US (CSTM) is held as common stock by 6 tracked hedge-fund managers, with a combined reported value of ~$117.51M; the largest are Izzy Englander, Steven Cohen, Ken Griffin. 1 tracked manager also disclosed PUT or CALL positions, reported separately below. This quarter: 2 new, 4 trimmed. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Cooling
Common-stock holders61 also report options
Congress trades0
Price$24.59vs quarter-end-22.84%
Sectors0
This quarter's moves
Top holderNew2
Added0
Trimmed / sold4
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 $6.48M— of portfolio203,4002026 Q2
Value $5.45M— of portfolio170,9002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $6.48M | — | — |
| Ken GriffinPUT | $5.45M | — | — |
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.