# Semnur Pharmaceuticals funding: rounds and investors

> Semnur Pharmaceuticals has raised $106M across 2 rounds since 2013. Investors include Canaan and Vivo Capital. Every round with its source.

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

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

# Who invested in *Semnur Pharmaceuticals*

2 rounds we have observed, with the 2 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

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Funding summary Updated 27 Oct 2026

**$106M** raised across 2 rounds since 2013, from 2 sources

**$6.0M** Venture **$100M** Round

- **Latest round:** Round, $100M Sept 2025
- **Step-up i:** 16.7×
- **Investors:** 2

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.

2013 2015 2017 2019 2021 2023 2025

**$6.0M** Venture

**$100M** Round

- **First round:** Venture, $6.0M
- **Biggest round:** $100M
- **Between rounds:** 12.1 years

## The rounds

- **Sept 2025** Round **$100M** *2 new* [Canaan](https://millionrounds.com/fund/canaan-partners) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) Source recorded
- **Aug 2013** Venture **$6.0M** No investor was named in the report. Reported by sec.gov SEC filing: $6.0M sold, first sale Aug 2013

## Founders and team

From the SEC filings it signed: 2 on the team.

- **Jaisim G. Shah** Executive Officer, Director i
- **Mahendra G. Shah** Executive Officer, Director i

On the board, as filed i *Brent G. Ahrens* *Edgar G. Engleman* *James G. Topper*

## 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.

**Venture** 2013 **Round** 2025 [Canaan](https://millionrounds.com/fund/canaan-partners) [Vivo Capital](https://millionrounds.com/fund/vivo-capital)

## Everyone who backed them

[Canaan](https://millionrounds.com/fund/canaan-partners) VC firm **1** round

[Vivo Capital](https://millionrounds.com/fund/vivo-capital) Private equity **1** round

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

## Quick answers about Semnur Pharmaceuticals

### Who invested in Semnur Pharmaceuticals?

Semnur Pharmaceuticals's investors include Canaan and Vivo Capital.

### How much has Semnur Pharmaceuticals raised?

Semnur Pharmaceuticals has raised $106M across 2 rounds since 2013.

### When did Semnur Pharmaceuticals last raise?

Semnur Pharmaceuticals's most recent round was an Undisclosed round of $100M in Sept 2025.

### What was Semnur Pharmaceuticals's biggest round?

Its most recent round, $100M in Sept 2025, is also its largest on record.

### Who backed Semnur Pharmaceuticals first?

Semnur Pharmaceuticals's first round on record, in Sept 2025, was backed by Canaan and Vivo Capital.

### What stage is Semnur Pharmaceuticals at?

Semnur Pharmaceuticals's latest named round is an Undisclosed round, in Sept 2025.

### Where is Semnur Pharmaceuticals based?

Semnur Pharmaceuticals is based in the United States.

## Companies like Semnur Pharmaceuticals

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)[**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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