# Biosphere funding: rounds and investors

> Biosphere has raised $18M across 2 rounds since 2025. Investors include Founders Fund, Lowercarbon Capital and Caffeinated Capital. Every round with its source.

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

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

# Who invested in *Biosphere*

2 rounds we have observed, with the 3 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 6 months ago

Funding summary Updated 26 Oct 2026

**$18M** raised across 2 rounds since 2025, from 2 sources

**$8.8M** Seed **$9.0M** Grant

- **Latest round:** Grant, $9.0M May 2026
- **Investors:** 3

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.

2025 2026

**$8.8M** Seed

**$9.0M** Grant

- **First round:** Seed, $8.8M
- **Biggest round:** $9.0M
- **Between rounds:** 16 months

## The rounds

- **May 2026** Grant **$9.0M** *3 returning* [Founders Fund](https://millionrounds.com/fund/founders-fund) [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) Source recorded
- **Jan 2025** Seed **$8.8M** *3 new* [Founders Fund](https://millionrounds.com/fund/founders-fund) [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) Source recorded

## 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.

**Seed** 2025 **Grant** 2026 [Founders Fund](https://millionrounds.com/fund/founders-fund) [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital)

## Everyone who backed them

[Founders Fund](https://millionrounds.com/fund/founders-fund) VC firm **2** rounds

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

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

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

## Quick answers about Biosphere

### Who invested in Biosphere?

Biosphere's investors include Founders Fund, Lowercarbon Capital and Caffeinated Capital.

### How much has Biosphere raised?

Biosphere has raised $18M across 2 rounds since 2025.

### When did Biosphere last raise?

Biosphere's most recent round was a Grant of $9.0M in May 2026.

### What was Biosphere's biggest round?

Its most recent round, $9.0M in May 2026, is also its largest on record.

### Who backed Biosphere first?

Biosphere's first round on record, in Jan 2025, was backed by Founders Fund, Lowercarbon Capital and Caffeinated Capital.

### What stage is Biosphere at?

Biosphere's latest named round is a Grant, in May 2026.

### Where is Biosphere based?

Biosphere is based in the United States.

## Companies like Biosphere

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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