# Labelbox raises $100M Series E led by Infinitum Partners

> 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.

Source: https://millionrounds.com/news/rounds/labelbox-series-e-2026-10 (Millionrounds; every figure on the page links to its filing or article)

Raised **$100M** 3 sources reported it

Stage **Series E** 2 earlier rounds on record

Investors **6** 1 named as lead

Where **US** United States

AI Big Data & Analytics Enterprise 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.

**#462** equity round of the last twelve months

**#28** Series E of 38 in that time

**#295** round 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

- [**Infinitum Partners** 1 round in the last twelve months *Led*](https://millionrounds.com/fund/infinitum-partners)

Also in the round

- [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz)
- [B Capital](https://millionrounds.com/fund/b-capital)
- [Tau Ventures](https://millionrounds.com/fund/tau-ventures)
- [Snowpoint Ventures](https://millionrounds.com/fund/snowpoint-ventures)
- [Wipro Ventures](https://millionrounds.com/fund/wipro-ventures)

## Funding history

- October 2026 Series E **$100M**
- January 2022 Series D **$110M**
- July 2018 Seed **$3.9M**

$214M raised across the 3 rounds we hold.

## Reported by

- PR Newswire 14 October
- AI Insider 15 October
- The SaaS News 15 October

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

## Other big rounds that week

[**OMass Therapeutics** $310M Series C](https://millionrounds.com/news/rounds/omass-therapeutics-series-c-2026-10)[**Salience Labs** $125M Series B](https://millionrounds.com/news/rounds/salience-labs-series-b-2026-10)[M **Modal Labs Inc.** $750M Series D](https://millionrounds.com/news/rounds/modal-labs-inc-series-d-2026-10)[**Skeleton Technologies** $100M Growth](https://millionrounds.com/news/rounds/skeleton-technologies-growth-round-2026-10)[S **Scanntech** $180M Series F](https://millionrounds.com/news/rounds/scanntech-series-f-2026-10)[**Ramp** $1.9B Growth](https://millionrounds.com/news/rounds/ramp-growth-round-2026-10)

[The company **Labelbox on Millionrounds** *→*](https://millionrounds.com/company/labelbox)[Weekly roundup **Week of 12 October** *→*](https://millionrounds.com/news/weekly/2026-10-12)[Monthly roundup **October 2026** *→*](https://millionrounds.com/news/monthly/2026-10)

**How this article is made**

We write one for every equity round of $100M or more that at least two sources reported. It is put together from our record of rounds, not rewritten from the reports: the ranks and medians count every equity round we read in the twelve months to the round's date. [How we read rounds](https://millionrounds.com/methodology) · [Report a mistake](https://millionrounds.com/corrections)