Big round · 9 September 2026

Harvey raises $550M growth round led by Lightspeed Venture Partners

By Millionrounds ResearchPublished 16 September 2026

Harvey, based in United States, has raised $550M in a growth round led by Lightspeed Venture Partners and Diffusion, announced on 9 September 2026. 14 other investors joined. It is the 87th largest equity round we recorded in the twelve months to that date, and the 39th largest growth round of 238. The median growth round over the same period was $120M, so this one is 4.6 times that. Its previous round on record was a round of $500M in August 2026, 1 month earlier.

Raised$550M2 sources reported it
StageGrowth6 earlier rounds on record
Investors162 named as lead
Where USUnited States

AIEnterprise SoftwareLegaltech

How big is it?

Against every equity round we recorded in the twelve months to 9 September 2026. Ranks count companies, so the same raise reported twice is counted once.

#87equity round of the last twelve months
#39growth round of 238 in that time
#59round in United States, of 1,121
This round$550M
Median growth round$120M

4.6 times the median growth round of the last twelve months.

Who invested

Also in the round

Funding history

  1. September 2026Growth$550M
  2. August 2026Round$500M
  3. March 2026Growth$200M
  4. February 2026Growth$200M
  5. December 2025Series F$160M
  6. October 2025Series F$150M
  7. March 2025Series D$300M

$2.1B raised across the 7 rounds we hold.

Reported by

  1. TechCrunch9 September
  2. TechStartups9 September

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

Other big rounds that week

TThe Boring Co.$3.0B GrowthMach Industries$600M Series CCognition$2.0B Series ERRightway Healthcare$155M Series EClay$115M Series DMistral AI$3.5B Series D
The companyHarvey on Millionrounds→Weekly roundupWeek of 7 September→Monthly roundupSeptember 2026→