# Tisento Therapeutics funding: rounds and investors

> Tisento Therapeutics has raised $81M across 1 round since 2023. Investors include Y Combinator, Venrock and Polaris Partners. Every round with its source.

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

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

# Who invested in *Tisento Therapeutics*

One round we have observed, with the 5 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.

Healthcare

Funding summary Updated 26 Oct 2026

**$81M** raised across 1 round since 2023, from 1 source

- **Latest round:** Series A, $81M Jul 2023
- **Investors:** 5

See who backed them

## The rounds

- **Jul 2023** Series A **$81M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Venrock](https://millionrounds.com/fund/venrock) [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Invus](https://millionrounds.com/fund/invus) [Sanofi](https://millionrounds.com/fund/sanofi) Source recorded

## Founders and team

From Tisento Therapeutics's own website: 3 on the team.

- **Marian Rafferty** Chief of Staff
- **Allison Burton** Regulatory Affairs Associate
- **Bryan Roberts** Board Member

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

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

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

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

[Sanofi](https://millionrounds.com/fund/sanofi) Investment firm **1** round

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

## Quick answers about Tisento Therapeutics

### Who invested in Tisento Therapeutics?

Tisento Therapeutics's investors include Y Combinator, Venrock, Polaris Partners, Invus and Sanofi.

### How much has Tisento Therapeutics raised?

Tisento Therapeutics has raised $81M across 1 round since 2023.

### When did Tisento Therapeutics last raise?

Tisento Therapeutics's most recent round was a Series A of $81M in Jul 2023.

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

Its most recent round, $81M in Jul 2023, is also its largest on record.

### Who backed Tisento Therapeutics first?

Tisento Therapeutics's first round on record, in Jul 2023, was backed by Y Combinator, Venrock and Polaris Partners and 2 others.

### What stage is Tisento Therapeutics at?

Tisento Therapeutics's latest named round is a Series A, in Jul 2023.

### Where is Tisento Therapeutics based?

Tisento Therapeutics is based in the United States.

## Companies like Tisento 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)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)

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