Big round · 14 October 2026

Labelbox raises $100M Series E led by Infinitum Partners

By Millionrounds ResearchPublished 15 October 2026

Labelbox, based in United States, has raised $100M in a Series E led by Infinitum Partners, announced on 14 October 2026. 5 other investors joined. It is the 462nd largest equity round we recorded in the twelve months to that date, and the 28th largest Series E of 38. Its previous round on record was a Series D of $110M in January 2022, 57 months earlier.

Raised$100M3 sources reported it
StageSeries E2 earlier rounds on record
Investors61 named as lead
Where USUnited States

AIBig Data & AnalyticsEnterprise Software

How big is it?

Against every equity round we recorded in the twelve months to 14 October 2026. Ranks count companies, so the same raise reported twice is counted once.

#462equity round of the last twelve months
#28Series E of 38 in that time
#295round in United States, of 1,195
This round$100M
Median Series E$265M

Below the median Series E of the last twelve months.

Who invested

Also in the round

Funding history

  1. October 2026Series E$100M
  2. January 2022Series D$110M
  3. July 2018Seed$3.9M

$214M raised across the 3 rounds we hold.

Reported by

  1. PR Newswire14 October
  2. AI Insider15 October
  3. The SaaS News15 October

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

Other big rounds that week

OMass Therapeutics$310M Series CSalience Labs$125M Series BMModal Labs Inc.$750M Series DSkeleton Technologies$100M GrowthSScanntech$180M Series FRamp$1.9B Growth
The companyLabelbox on Millionrounds→Weekly roundupWeek of 12 October→Monthly roundupOctober 2026→