# Pathos AI raises $237M Series E led by Bristol Myers Squibb

> Pathos AI, based in United States, has raised $237M in a Series E led by Bristol Myers Squibb, announced on 24 October 2026. 3 other investors joined.

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

Raised **$237M** 5 sources reported it

Stage **Series E** 1 earlier round on record

Investors **4** 1 named as lead

Where **US** United States

AI Biotech Pharma

## How big is it?

Against every equity round we recorded in the twelve months to 24 October 2026. Ranks count companies, so the same raise reported twice is counted once.

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

**#25** Series E of 43 in that time

**#161** round in United States, of 1,258

This round **$237M**

Median Series E **$280M**

Below the median Series E of the last twelve months.

## Who invested

- [**Bristol Myers Squibb** 2 rounds in the last twelve months *Led*](https://millionrounds.com/fund/bristol-myers-squibb)

Also in the round

- [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates)
- [General Atlantic](https://millionrounds.com/fund/general-atlantic)
- [AstraZeneca plc](https://millionrounds.com/fund/astrazeneca-plc)

## Funding history

- October 2026 Series E **$237M**
- May 2025 Series D **$365M**

$602M raised across the 2 rounds we hold.

## Reported by

- Pulse 2.0 23 October
- Silicon Angle 23 October
- Wowtale 24 October
- AI Insider 24 October
- www.tokenpost.com 24 October

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

## Other big rounds that week

[**Kalshi** $1.0B Series G](https://millionrounds.com/news/rounds/kalshi-series-g-2026-10)[W **Warhound** $200M Seed](https://millionrounds.com/news/rounds/warhound-seed-round-2026-10)[W **Warp Sciences** $215M Series A](https://millionrounds.com/news/rounds/warp-sciences-series-a-2026-10)[**Xona** $250M Series D](https://millionrounds.com/news/rounds/xona-series-d-2026-10)[**Tractian** $130M Series D](https://millionrounds.com/news/rounds/tractian-series-d-2026-10)[**Peak Energy** $108M Series B](https://millionrounds.com/news/rounds/peak-energy-series-b-2026-10)

[The company **Pathos AI on Millionrounds** *→*](https://millionrounds.com/company/pathos-ai)[Weekly roundup **Week of 19 October** *→*](https://millionrounds.com/news/weekly/2026-10-19)[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)