Big round · 25 October 2026

Kalshi raises $1.0B Series G led by Sequoia Capital

By Millionrounds ResearchPublished 26 October 2026Updated 4 November 2026

Kalshi, based in United States, has raised $1.0B in a Series G led by Sequoia Capital and Wellington Management, announced on 25 October 2026. 12 other investors joined. It is the 47th largest equity round we recorded in the twelve months to that date. Its previous round on record was a venture round of $30M in July 2026, 4 months earlier.

Raised$1.0B10 sources reported it
StageSeries G6 earlier rounds on record
Investors142 named as lead
Where USUnited States

Fintech

How big is it?

Against every equity round we recorded in the twelve months to 25 October 2026. Ranks count companies, so the same raise reported twice is counted once.

#47equity round of the last twelve months
#28round in United States, of 1,257

Who invested

Also in the round

Funding history

  1. October 2026Series G$1.0B
  2. July 2026Venture$30M
  3. March 2026Series F$1.0B
  4. February 2026VentureUndisclosed
  5. November 2025Series E$1.0B
  6. October 2025Series D$300M
  7. June 2025Series C$185M

$3.5B raised across the 7 rounds we hold.

Reported by

  1. https25 October
  2. Wowtale29 October
  3. Fintech Global29 October
  4. news.kalshi.com29 October
  5. wowtale.net29 October
  6. AlleyWatch29 October
  7. altcoinbuzz.io29 October
  8. pymnts.com29 October
  9. FinanceFeeds30 October
  10. grafa.com30 October

The round's figures come from these reports; each link opens the original.

Other big rounds that week

PPathos AI$237M Series EWWarhound$200M SeedWWarp Sciences$215M Series AXona$250M Series DTractian$130M Series DPeak Energy$108M Series B
The companyKalshi on Millionrounds→Weekly roundupWeek of 19 October→Monthly roundupOctober 2026→