# Capstan Therapeutics funding: rounds and investors

> Capstan Therapeutics has raised $175M across 1 round since 2024. Investors include Polaris Partners, OrbiMed and RA Capital Management.

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

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

# Who invested in *Capstan Therapeutics*

One round we have observed, with the 16 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Biotech

Funding summary Updated 26 Oct 2026

**$175M** raised across 1 round since 2024, from 2 sources

- **Latest round:** Series B, $175M Mar 2024
- **Investors:** 16

See who backed them

## The rounds

- **Mar 2024** Series B **$175M** [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [OrbiMed](https://millionrounds.com/fund/orbimed) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Sofinnova Investments](https://millionrounds.com/fund/sofinnova-investments) [Novartis Venture Fund](https://millionrounds.com/fund/novartis-venture-fund) [Eli Lilly](https://millionrounds.com/fund/eli-lilly) [Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [Mubadala](https://millionrounds.com/fund/mubadala) [Pfizer](https://millionrounds.com/fund/pfizer) [Johnson & Johnson Robotics and Digital Solutions](https://millionrounds.com/fund/johnson-and-johnson-robotics-and-digital-solutions) [Bristol Myers Squibb](https://millionrounds.com/fund/bristol-myers-squibb) [Vida Ventures](https://millionrounds.com/fund/vida-ventures) [Leaps by Bayer](https://millionrounds.com/fund/leaps-by-bayer) [Finchley Healthcare Ventures Inc](https://millionrounds.com/fund/finchley-healthcare-ventures-inc) Reported by Firms' own news pages and 1 other SEC filing: $63M sold, first sale Nov 2021

## Founders and team

From the SEC filings it signed: 5 on the team.

- **Adrian Bot** Executive Officer i
- **Justin Thacker** Executive Officer i
- **Laura Shawver** Executive Officer, Director i
- **Priya Karmali** Executive Officer i
- **Ramin Farzaneh-Far** Executive Officer i

On the board, as filed i *Athena Countouriotis* *Erez Chimovits* *Fabio Pucci* *Karen Smith* *Michael Baran* *Michal Silverberg* *Nandita Shangari* *Nanna Luneborg* *Rajul Jain*

## Everyone who backed them

[Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **1** round

[OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **1** round

[RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **1** round

[Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) Asset manager **1** round

[Sofinnova Investments](https://millionrounds.com/fund/sofinnova-investments) VC firm **1** round

[Novartis Venture Fund](https://millionrounds.com/fund/novartis-venture-fund) Corporate VC **1** round

[Eli Lilly](https://millionrounds.com/fund/eli-lilly) Corporate VC **1** round

[Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) Private equity **1** round

[Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) VC firm **1** round

[Mubadala](https://millionrounds.com/fund/mubadala) Private equity **1** round

[Pfizer](https://millionrounds.com/fund/pfizer) Corporate VC **1** round

[Johnson & Johnson Robotics and Digital Solutions](https://millionrounds.com/fund/johnson-and-johnson-robotics-and-digital-solutions) Corporate VC **1** round

[Bristol Myers Squibb](https://millionrounds.com/fund/bristol-myers-squibb) VC firm **1** round

[Vida Ventures](https://millionrounds.com/fund/vida-ventures) VC firm **1** round

[Leaps by Bayer](https://millionrounds.com/fund/leaps-by-bayer) Corporate VC **1** round

[Finchley Healthcare Ventures Inc](https://millionrounds.com/fund/finchley-healthcare-ventures-inc) Growth equity **1** round

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

## Quick answers about Capstan Therapeutics

### Who invested in Capstan Therapeutics?

Capstan Therapeutics's investors include Polaris Partners, OrbiMed, RA Capital Management, Perceptive Advisors and Sofinnova Investments, and 11 more on record.

### How much has Capstan Therapeutics raised?

Capstan Therapeutics has raised $175M across 1 round since 2024.

### When did Capstan Therapeutics last raise?

Capstan Therapeutics's most recent round was a Series B of $175M in Mar 2024.

### What was Capstan Therapeutics's biggest round?

Its most recent round, $175M in Mar 2024, is also its largest on record.

### Who backed Capstan Therapeutics first?

Capstan Therapeutics's first round on record, in Mar 2024, was backed by Polaris Partners, OrbiMed and RA Capital Management and 13 others.

### What stage is Capstan Therapeutics at?

Capstan Therapeutics's latest named round is a Series B, in Mar 2024.

### Where is Capstan Therapeutics based?

Capstan Therapeutics is based in the United States.

## Companies like Capstan Therapeutics

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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