# rMark Bio funding: rounds and investors

> rMark Bio has raised $1.5M across 2 rounds since 2019. Investors include SaaS Ventures, M25 and Stout Street Capital. Every round with its source.

Source: https://millionrounds.com/company/rmark-bio (Millionrounds; every figure on the page links to its filing or article)

United States · [Venture startup](https://millionrounds.com/companies)

# Who invested in *rMark Bio*

2 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI Biotech Healthcare

Funding summary Updated 26 Oct 2026

**$1.5M** raised across 2 rounds since 2019, from 2 sources

- **Latest round:** Venture Oct 2020
- **Biggest round:** $1.5M Seed · Feb 2019
- **Investors:** 5

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2019 2020

**$1.5M** Seed

**?** Venture

- **First round:** Seed, $1.5M
- **Biggest round:** $1.5M
- **Between rounds:** 20 months

## The rounds

- **Oct 2020** Venture **Amount undisclosed** *2 new* *1 returning* [M25](https://millionrounds.com/fund/m25) [SaaS Ventures](https://millionrounds.com/fund/saas) [Stout Street Capital](https://millionrounds.com/fund/stout-street-capital) Source recorded SEC filing: $2.8M sold, first sale Oct 2019
- **Feb 2019** Seed **$1.5M** *3 new* [SaaS Ventures](https://millionrounds.com/fund/saas) [MATH Venture Partners](https://millionrounds.com/fund/math-venture-partners) Lincoln Park Capital/ M25 Group Reported by FinSMEs

## Founders and team

From the SEC filings it signed: 1 on the team.

- **Jason Smith** Executive Officer, Director i

On the board, as filed i *John Clyman* *Mark Achler*

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Seed** 2019 **Venture** 2020 [SaaS Ventures](https://millionrounds.com/fund/saas) [M25](https://millionrounds.com/fund/m25) [Stout Street Capital](https://millionrounds.com/fund/stout-street-capital) [MATH Venture Partners](https://millionrounds.com/fund/math-venture-partners) Lincoln Park Capital/ M25 Group

## Everyone who backed them

[SaaS Ventures](https://millionrounds.com/fund/saas) VC firm **2** rounds

[M25](https://millionrounds.com/fund/m25) VC firm **1** round

[Stout Street Capital](https://millionrounds.com/fund/stout-street-capital) VC firm **1** round

[MATH Venture Partners](https://millionrounds.com/fund/math-venture-partners) VC firm **1** round

Lincoln Park Capital/ M25 Group no record of our own yet **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=rmark-bio).

## Also claim to have backed them

This firm lists rMark Bio as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Narrow Gauge Ventures](https://millionrounds.com/fund/narrow-gauge-ventures) VC firm Per its own site

## Quick answers about rMark Bio

### Who invested in rMark Bio?

rMark Bio's investors include SaaS Ventures, M25, Stout Street Capital, MATH Venture Partners and Lincoln Park Capital/ M25 Group.

### How much has rMark Bio raised?

rMark Bio has raised $1.5M across 2 rounds since 2019. One round did not disclose an amount, so the total is a floor.

### When did rMark Bio last raise?

rMark Bio's most recent round was a Venture in Oct 2020.

### What was rMark Bio's biggest round?

rMark Bio's largest round on record is $1.5M (Seed), in Feb 2019.

### Who backed rMark Bio first?

rMark Bio's first round on record, in Feb 2019, was backed by SaaS Ventures, MATH Venture Partners and Lincoln Park Capital/ M25 Group.

### What stage is rMark Bio at?

rMark Bio's latest named round is a Venture, in Oct 2020.

### Where is rMark Bio based?

rMark Bio is based in the United States.

## Companies like rMark Bio

In the same sector, and raised in the last eighteen months.

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)

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