AI Stack Monitor

Market closed · last close Oct 30

The stack / labs

xAI

Private Primary layer Labs

Merged into SpaceX on 2026-02-02. History only; its merger mark ends its PMI membership.

Market cap
–
Weight in AIX
Not a constituent

Valuation marks

Dashed step line: closed rounds. Hollow markers: press reports and secondary estimates, never part of the line.

$62.5B$125B$187B$250B20262026-01-01: $230B2026-02-02: $250B
DateValuationBasisKind and statusNoteSource
Feb 2, 2026$250BimpliedMerger closedall-stock merger into SpaceX; last private markcurvedtrading.com
Jan 1, 2026$230Bpost-moneyPrimary round closedSeries E $20B; month onlygigazine.net

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