# Mammoth Biosciences funding: rounds and investors

> Mammoth Biosciences has raised $118M across 2 rounds since 2018. Investors include 8VC, SV Angel and Mayfield Fund. Every round with its source.

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

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

# Who invested in *Mammoth Biosciences*

2 rounds we have observed, with the 4 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 Healthcare

Valuation: $1.0B, Mar 2026

Funding summary Updated 26 Oct 2026

**$118M** raised across 2 rounds since 2018, from 2 sources

**$23M** Round **$95M** Venture

- **Latest round:** Venture, $95M Apr 2024
- **Step-up i:** 4.1×
- **Investors:** 4

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 2021 2022 2023 2024

**$23M** Round

**$95M** Venture

- **First round:** Round, $23M
- **Biggest round:** $95M
- **Between rounds:** 5.7 years

## The rounds

- **Apr 2024** Venture **$95M** *2 new* *1 returning* [SV Angel](https://millionrounds.com/fund/sv-angel) [Mayfield Fund](https://millionrounds.com/fund/mayfield) [8VC](https://millionrounds.com/fund/8vc) Source recorded
- **Aug 2018** Round **$23M** *2 new* [8VC](https://millionrounds.com/fund/8vc) Mayfield/ NFX Reported by FinSMEs SEC filing: $13M sold, first sale May 2018

## Founders and team

From Mammoth Biosciences's own website and the SEC filings it signed: 1 founder, 7 on the team.

**Janice Chen** Co-founder, Chief Scientific Officer & President, Research *Named on its 2018 Form D*

- **Elaine Sun** Chief Financial Officer and Chief Operating Officer
- **Aruna Perera** VP, Technical Operations
- **Sandeep Soni** VP, Clinical Development
- **Siang Chin** General Counsel and Head of Alliance Management
- **Jeff Huber** Chair | Triatomic Capital
- **Ashley Tehranchi** Executive Officer, Director i
- **Lucas Harrington** Executive Officer i

On the board, as filed i *Urshit Parikh*

Advisers *Jennifer Doudna*

## 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** 2018 **Venture** 2024 [8VC](https://millionrounds.com/fund/8vc) [SV Angel](https://millionrounds.com/fund/sv-angel) [Mayfield Fund](https://millionrounds.com/fund/mayfield) Mayfield/ NFX

## Everyone who backed them

[8VC](https://millionrounds.com/fund/8vc) VC firm **2** rounds

[SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round

[Mayfield Fund](https://millionrounds.com/fund/mayfield) VC firm **1** round

Mayfield/ NFX 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=mammoth-biosciences).

## Also claim to have backed them

These 10 firms list Mammoth Biosciences as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) VC firm Per its own site

[Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) VC firm Per its own site

[Decheng Capital](https://millionrounds.com/fund/decheng-capital) VC firm Per its own site

[Wireframe Ventures](https://millionrounds.com/fund/wireframe-ventures) VC firm Per its own site

[Actions Capital (fka K50 Ventures)](https://millionrounds.com/fund/actions-capital) VC firm Per its own site

[Pacific 8 Ventures](https://millionrounds.com/fund/pacific-8-ventures) VC firm Per its own site

[Berkeley Frontier Fund](https://millionrounds.com/fund/berkeley-frontier-fund) VC firm Per its own site

[For Good Ventures](https://millionrounds.com/fund/for-good-ventures) VC firm Per its own site

[Solari Capital](https://millionrounds.com/fund/solari-capital) VC firm Per its own site

[Tachyon Ventures](https://millionrounds.com/fund/tachyon-ventures) VC firm Per its own site

## Quick answers about Mammoth Biosciences

### Who invested in Mammoth Biosciences?

Mammoth Biosciences's investors include 8VC, SV Angel, Mayfield Fund and Mayfield/ NFX.

### How much has Mammoth Biosciences raised?

Mammoth Biosciences has raised $118M across 2 rounds since 2018.

### When did Mammoth Biosciences last raise?

Mammoth Biosciences's most recent round was a Venture of $95M in Apr 2024.

### What was Mammoth Biosciences's biggest round?

Its most recent round, $95M in Apr 2024, is also its largest on record.

### Who backed Mammoth Biosciences first?

Mammoth Biosciences's first round on record, in Aug 2018, was backed by 8VC and Mayfield/ NFX.

### What stage is Mammoth Biosciences at?

Mammoth Biosciences's latest named round is a Venture, in Apr 2024.

### Where is Mammoth Biosciences based?

Mammoth Biosciences is based in the United States.

## Companies like Mammoth Biosciences

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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