# Poseida funding: rounds and investors

> Poseida has raised $31M across 1 round since 2018. Investors include Tavistock Life Sciences, Malin and Longitude Capital/ Vivo. Every round with its source.

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

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

# Who invested in *Poseida*

One round we have observed, with the 3 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 Healthcare

Funding summary Updated 26 Oct 2026

**$31M** raised across 1 round since 2018, from 1 source

- **Latest round:** Series B, $31M Apr 2018
- **Investors:** 3

See who backed them

## The rounds

- **Apr 2018** Series B **$31M** [Tavistock Life Sciences](https://millionrounds.com/fund/tavistock-life-sciences) [Malin](https://millionrounds.com/fund/malin) Longitude Capital/ Vivo Reported by FinSMEs

## Everyone who backed them

[Tavistock Life Sciences](https://millionrounds.com/fund/tavistock-life-sciences) Family office **1** round

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

Longitude Capital/ Vivo 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=poseida).

## Quick answers about Poseida

### Who invested in Poseida?

Poseida's investors include Tavistock Life Sciences, Malin and Longitude Capital/ Vivo.

### How much has Poseida raised?

Poseida has raised $31M across 1 round since 2018.

### When did Poseida last raise?

Poseida's most recent round was a Series B of $31M in Apr 2018.

### What was Poseida's biggest round?

Its most recent round, $31M in Apr 2018, is also its largest on record.

### Who backed Poseida first?

Poseida's first round on record, in Apr 2018, was backed by Tavistock Life Sciences, Malin and Longitude Capital/ Vivo.

### What stage is Poseida at?

Poseida's latest named round is a Series B, in Apr 2018.

### Where is Poseida based?

Poseida is based in the United States.

## Companies like Poseida

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)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)

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