Big round · 4 August 2026

Valar Atomics raises $1.0B Series B led by Sequoia Capital

By Millionrounds ResearchPublished 16 September 2026

Valar Atomics, based in United States, has raised $1.0B in a Series B led by Sequoia Capital, announced on 4 August 2026. 9 other investors joined. It is the 42nd largest equity round we recorded in the twelve months to that date, and the 5th largest Series B of 383. The median Series B over the same period was $50M, so this one is 20 times that. Its previous round on record was a Series B of $450M in April 2026, 4 months earlier.

Raised$1.0B3 sources reported it
StageSeries B2 earlier rounds on record
Investors101 named as lead
Where USUnited States

AIEnergy

How big is it?

Against every equity round we recorded in the twelve months to 4 August 2026. Ranks count companies, so the same raise reported twice is counted once.

#42equity round of the last twelve months
#5Series B of 383 in that time
#25round in United States, of 1,092
This round$1.0B
Median Series B$50M

20 times the median Series B of the last twelve months.

Who invested

Also in the round

Funding history

  1. August 2026Series B$1.0B
  2. April 2026Series B$450M
  3. November 2025Series A$130M

$1.6B raised across the 3 rounds we hold.

Reported by

  1. TechCrunch3 August
  2. TechStartups3 August
  3. Ventureburn4 August

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

Other big rounds that week

Firmus Technologies$2.0B GrowthLumilens$700M Series CHadrian$1.4B GrowthMoove$250M Series CICEYE$1.2B Series FHappyRobot$150M Series C
The companyValar Atomics on Millionrounds→Weekly roundupWeek of 3 August→Monthly roundupAugust 2026→