# Serif Health funding: rounds and investors

> Serif Health has raised $2.0M across 1 round since 2022. Investors include Y Combinator and Rebel Fund. Every round with its source.

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

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

# Who invested in *Serif Health*

One round we have observed, with the 2 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

Y Combinator: W22

Funding summary Updated 26 Oct 2026

**$2.0M** raised across 1 round since 2022, from 1 source

- **Latest round:** Debt, $2.0M May 2022
- **Investors:** 2

See who backed them

## The rounds

- **May 2022** Debt **$2.0M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Rebel Fund](https://millionrounds.com/fund/rebel-fund) Source recorded

## Founders and team

From Serif Health's own website: 2 founders.

**Rafiq Ahmed** Co-Founder & CEO

**Matt Robben** Co-Founder & CTO

## Everyone who backed them

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

[Rebel Fund](https://millionrounds.com/fund/rebel-fund) VC firm **1** round

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

## Also claim to have backed them

These 2 firms list Serif Health 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.

[Celtic House Asia Partners](https://millionrounds.com/fund/celtic-house-asia-partners) VC firm Per its own site

[K3 Diversity Ventures](https://millionrounds.com/fund/k3-diversity-ventures) VC firm Per its own site

## Quick answers about Serif Health

### Who invested in Serif Health?

Serif Health's investors include Y Combinator and Rebel Fund.

### How much has Serif Health raised?

Serif Health has raised $2.0M across 1 round since 2022.

### When did Serif Health last raise?

Serif Health's most recent round was a Debt of $2.0M in May 2022.

### What was Serif Health's biggest round?

Its most recent round, $2.0M in May 2022, is also its largest on record.

### Who backed Serif Health first?

Serif Health's first round on record, in May 2022, was backed by Y Combinator and Rebel Fund.

### What stage is Serif Health at?

Serif Health's latest named round is a Debt, in May 2022.

### Where is Serif Health based?

Serif Health is based in the United States.

## Companies like Serif Health

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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