# Promaxo raises $100M Series C

> Promaxo, based in United States, has raised $100M in a Series C, announced on 22 October 2026. 2 other investors joined.

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

Raised **$100M** 2 sources reported it

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

Investors **2** no lead named

Where **US** United States

AI Medical Devices Robotics

## How big is it?

Against every equity round we recorded in the twelve months to 22 October 2026. Ranks count companies, so the same raise reported twice is counted once.

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

**#102** Series C of 226 in that time

**#300** round in United States, of 1,253

This round **$100M**

Median Series C **$100M**

1.0 times the median Series C of the last twelve months.

## Who invested

In the round

- [New Science Venture](https://millionrounds.com/fund/new-science-ventures)
- [Amara Ventures](https://millionrounds.com/fund/amara-ventures)

## Funding history

- October 2026 Series C **$100M**
- April 2018 Series A **$2.2M**
- September 2017 Series A **$3.5M**

$106M raised across the 3 rounds we hold.

## Reported by

- New Science Venture 22 October
- medicalbuyer.co.in 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)[P **Pathos AI** $237M Series E](https://millionrounds.com/news/rounds/pathos-ai-series-e-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)

[The company **Promaxo on Millionrounds** *→*](https://millionrounds.com/company/promaxo)[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)