# Torax Medical funding: rounds and investors

> Torax Medical has raised $101M across 7 rounds since 2005. Investors include Sanderling Ventures, Thomas, McNerney & Partners and Mayo Clinic Ventures.

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

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

# Who invested in *Torax Medical*

7 rounds we have observed, with the 7 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

Funding summary Updated 26 Oct 2026

**$101M** raised across 7 rounds since 2005, from 7 sources

**$10M** Series B **$15M** Venture **$4.0M** Debt **$30M** Series D **$3.0M** Debt **$14M** Venture **$25M** Series E

- **Latest round:** Series E, $25M Aug 2016
- **Biggest round:** $30M Series D · Sept 2012
- **Step-up i:** 1.8×
- **Investors:** 7

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.

2005 2007 2009 2011 2013 2015

**$10M** Series B

**$15M** Venture

**$4.0M** Debt

**$30M** Series D

**$3.0M** Debt

**$14M** Venture

**$25M** Series E

- **First round:** Series B, $10M
- **Biggest round:** $30M
- **Usual gap between rounds:** 2.1 years

## The rounds

- **Aug 2016** Series E **$25M** *1 new* [Johnson & Johnson Innovation](https://millionrounds.com/fund/johnson-and-johnson-innovation) Reported by FinSMEs SEC filing: $25M sold, first sale Jul 2016
- **Dec 2013** Venture **$14M** No investor was named in the report. From a historical funding record SEC filing: $14M sold, first sale Dec 2013
- **Sept 2012** Debt **$3.0M** No investor was named in the report. Reported by sec.gov SEC filing: $3.0M sold, first sale Aug 2012
- **Sept 2012** Series D **$30M** *3 new* *3 returning* [Sanderling Ventures](https://millionrounds.com/fund/sanderling-ventures) [Kaiser Permanente Ventures](https://millionrounds.com/fund/kaiser-permanente-ventures) [Thomas, McNerney & Partners](https://millionrounds.com/fund/thomas-mcnerney-and-partners) [Accuitive Medical Ventures](https://millionrounds.com/fund/accuitive-medical-ventures) [Piper Jaffray](https://millionrounds.com/fund/piper-jaffray) [Mayo Clinic Ventures](https://millionrounds.com/fund/mayo-clinic-ventures) Reported by finsmes.com SEC filing: $3.0M sold, first sale Aug 2012
- **May 2011** Debt **$4.0M** No investor was named in the report. Reported by sec.gov SEC filing: $4.0M sold, first sale May 2011
- **Apr 2009** Venture **$15M** No investor was named in the report. From a historical funding record SEC filing: $15M sold, first sale Apr 2009
- **Jun 2005** Series B **$10M** *3 new* [Sanderling Ventures](https://millionrounds.com/fund/sanderling-ventures) [Thomas, McNerney & Partners](https://millionrounds.com/fund/thomas-mcnerney-and-partners) [Mayo Clinic Ventures](https://millionrounds.com/fund/mayo-clinic-ventures) Reported by bizjournals.com

## Founders and team

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

- **Brian Mower** Executive Officer i
- **Todd Berg** Executive Officer, Director i

On the board, as filed i *Charles Larsen* *Chris Grant* *James Thomas* *Timothy Mills*

## 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.

**Series B** 2005 **Venture** 2009 **Debt** 2011 **Series D** 2012 **Debt** 2012 **Venture** 2013 **Series E** 2016 [Sanderling Ventures](https://millionrounds.com/fund/sanderling-ventures) [Thomas, McNerney & Partners](https://millionrounds.com/fund/thomas-mcnerney-and-partners) [Mayo Clinic Ventures](https://millionrounds.com/fund/mayo-clinic-ventures) [Kaiser Permanente Ventures](https://millionrounds.com/fund/kaiser-permanente-ventures) [Accuitive Medical Ventures](https://millionrounds.com/fund/accuitive-medical-ventures) [Johnson & Johnson Innovation](https://millionrounds.com/fund/johnson-and-johnson-innovation) [Piper Jaffray](https://millionrounds.com/fund/piper-jaffray)

## Everyone who backed them

[Sanderling Ventures](https://millionrounds.com/fund/sanderling-ventures) VC firm **2** rounds

[Thomas, McNerney & Partners](https://millionrounds.com/fund/thomas-mcnerney-and-partners) VC firm **2** rounds

[Mayo Clinic Ventures](https://millionrounds.com/fund/mayo-clinic-ventures) VC firm **2** rounds

[Kaiser Permanente Ventures](https://millionrounds.com/fund/kaiser-permanente-ventures) Corporate VC **1** round

[Accuitive Medical Ventures](https://millionrounds.com/fund/accuitive-medical-ventures) VC firm **1** round

[Johnson & Johnson Innovation](https://millionrounds.com/fund/johnson-and-johnson-innovation) Growth equity **1** round

[Piper Jaffray](https://millionrounds.com/fund/piper-jaffray) Corporate VC **1** round

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

## Quick answers about Torax Medical

### Who invested in Torax Medical?

Torax Medical's investors include Sanderling Ventures, Thomas, McNerney & Partners, Mayo Clinic Ventures, Kaiser Permanente Ventures and Accuitive Medical Ventures, and 2 more on record.

### How much has Torax Medical raised?

Torax Medical has raised $101M across 7 rounds since 2005.

### When did Torax Medical last raise?

Torax Medical's most recent round was a Series E of $25M in Aug 2016.

### What was Torax Medical's biggest round?

Torax Medical's largest round on record is $30M (Series D), in Sept 2012.

### Who backed Torax Medical first?

Torax Medical's first round on record, in Jun 2005, was backed by Sanderling Ventures, Thomas, McNerney & Partners and Mayo Clinic Ventures.

### What stage is Torax Medical at?

Torax Medical's latest named round is a Series E, in Aug 2016.

### Where is Torax Medical based?

Torax Medical is based in the United States.

## Companies like Torax Medical

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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