# Taysha Gene Therapies funding: rounds and investors

> Taysha Gene Therapies has raised $400M across 2 rounds since 2025. Investors include B Capital, RA Capital Management and BlackRock.

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

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

# Who invested in *Taysha Gene Therapies*

2 rounds we have observed, with the 6 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.

Biotech

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$400M** raised across 2 rounds since 2025, from 2 sources

**$200M** Round **$200M** Round

- **Latest round:** Round, $200M Jun 2026
- **Investors:** 6

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.

2026

**$200M** Round

**$200M** Round

- **First round:** Round, $200M
- **Biggest round:** $200M
- **Between rounds:** 13 months

## The rounds

- **Jun 2026** Round **$200M** *1 new* *4 returning* [B Capital](https://millionrounds.com/fund/b-capital) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [BlackRock](https://millionrounds.com/fund/blackrock) [Franklin Templeton](https://millionrounds.com/fund/franklin-templeton) [Sands Capital Ventures](https://millionrounds.com/fund/sands-capital-ventures) Source recorded
- **May 2025** Round **$200M** *5 new* [B Capital](https://millionrounds.com/fund/b-capital) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [BlackRock](https://millionrounds.com/fund/blackrock) [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Franklin Templeton](https://millionrounds.com/fund/franklin-templeton) Source recorded

## Founders and team

From Taysha Gene Therapies's own website and the SEC filings it signed: 8 on the team.

- **Emily McGinnis** Chief Patient and External Affairs Officer
- **Michael Johannesen** Chief Legal Officer and Corporate Secretary
- **Rumana Haque-Ahmed** Chief Regulatory Officer
- **Sean McAuliffe** Chief Business Officer
- **Kamran P. Alam** Chief Financial Officer
- **Sean P. Nolan** Executive Officer, Director i
- **Sean P. Stalfort** September 4, 2020 / in Board of Directors
- **Sukumar P. Nagendran** Executive Officer, Director i

On the board, as filed i *Kathleen P. Reape* *Laura P. Sepp-Lorenzino* *Phillip P. Donenberg*

## 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.

**Round** 2025 **Round** 2026 [B Capital](https://millionrounds.com/fund/b-capital) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [BlackRock](https://millionrounds.com/fund/blackrock) [Franklin Templeton](https://millionrounds.com/fund/franklin-templeton) [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Sands Capital Ventures](https://millionrounds.com/fund/sands-capital-ventures)

## Everyone who backed them

[B Capital](https://millionrounds.com/fund/b-capital) VC firm **2** rounds

[RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **2** rounds

[BlackRock](https://millionrounds.com/fund/blackrock) Asset manager **2** rounds

[Franklin Templeton](https://millionrounds.com/fund/franklin-templeton) Private equity **2** rounds

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

[Sands Capital Ventures](https://millionrounds.com/fund/sands-capital-ventures) Private equity **1** round

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

## Quick answers about Taysha Gene Therapies

### Who invested in Taysha Gene Therapies?

Taysha Gene Therapies's investors include B Capital, RA Capital Management, BlackRock, Franklin Templeton and Perceptive Advisors, and 1 more on record.

### How much has Taysha Gene Therapies raised?

Taysha Gene Therapies has raised $400M across 2 rounds since 2025.

### When did Taysha Gene Therapies last raise?

Taysha Gene Therapies's most recent round was an Undisclosed round of $200M in Jun 2026.

### What was Taysha Gene Therapies's biggest round?

Its most recent round, $200M in Jun 2026, is also its largest on record.

### Who backed Taysha Gene Therapies first?

Taysha Gene Therapies's first round on record, in May 2025, was backed by B Capital, RA Capital Management and BlackRock and 2 others.

### What stage is Taysha Gene Therapies at?

Taysha Gene Therapies's latest named round is an Undisclosed round, in Jun 2026.

### Where is Taysha Gene Therapies based?

Taysha Gene Therapies is based in the United States.

## Companies like Taysha Gene Therapies

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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