# PatientsLikeMe funding: rounds and investors

> PatientsLikeMe has raised $127M across 5 rounds since 2007. Investors include Invus, CommerceNet and Collaborative Seed & Growth Partners.

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

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

# Who invested in *PatientsLikeMe*

5 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

Funding summary Updated 26 Oct 2026

**$127M** raised across 5 rounds since 2007, from 5 sources

**$5.0M** Series A **$8.0M** Venture **$2.0M** Venture **$12M** Venture **$100M** Round

- **Latest round:** Round, $100M Jan 2017
- **Step-up i:** 8.3×
- **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.

2007 2009 2011 2013 2015 2017

**$5.0M** Series A

**$8.0M** Venture

**$2.0M** Venture

**$12M** Venture

**$100M** Round

- **First round:** Series A, $5.0M
- **Biggest round:** $100M
- **Usual gap between rounds:** 3.5 years

## The rounds

- **Jan 2017** Round **$100M** *2 new* [Invus](https://millionrounds.com/fund/invus) [iCarbonX](https://millionrounds.com/fund/icarbonx) Reported by FinSMEs
- **Jun 2013** Venture **$12M** No investor was named in the report. Reported by sec.gov SEC filing: $12M sold, first sale Aug 2012
- **Aug 2012** Venture **$2.0M** No investor was named in the report. Reported by masshightech.com SEC filing: $2.0M sold, first sale Aug 2012
- **Aug 2010** Venture **$8.0M** No investor was named in the report. Reported by masshightech.com SEC filing: $8.0M sold, first sale Aug 2010
- **Feb 2007** Series A **$5.0M** *2 new* [CommerceNet](https://millionrounds.com/fund/commercenet) [Collaborative Seed & Growth Partners](https://millionrounds.com/fund/collaborative-seed-and-growth-partners) Reported by patientslikeme.com

## Founders and team

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

- **Benjamin Heywood** Executive Officer, Director i
- **Martin A. Coulter** Executive Officer, Director i

On the board, as filed i *James Heywood* *Jay M. Tenenbaum* *Jonathan M. White* *Philippe Amouyal* *Walter A. Winshall*

## 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 A** 2007 **Venture** 2010 **Venture** 2012 **Venture** 2013 **Round** 2017 [Invus](https://millionrounds.com/fund/invus) [CommerceNet](https://millionrounds.com/fund/commercenet) [Collaborative Seed & Growth Partners](https://millionrounds.com/fund/collaborative-seed-and-growth-partners) [iCarbonX](https://millionrounds.com/fund/icarbonx)

## Everyone who backed them

[Invus](https://millionrounds.com/fund/invus) Private equity **1** round

[CommerceNet](https://millionrounds.com/fund/commercenet) VC firm **1** round

[Collaborative Seed & Growth Partners](https://millionrounds.com/fund/collaborative-seed-and-growth-partners) VC firm **1** round

[iCarbonX](https://millionrounds.com/fund/icarbonx) VC firm **1** round

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

## Also claim to have backed them

These 2 firms list PatientsLikeMe 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.

[Alta Partners](https://millionrounds.com/fund/alta-partners) VC firm Per its own site

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

## Quick answers about PatientsLikeMe

### Who invested in PatientsLikeMe?

PatientsLikeMe's investors include Invus, CommerceNet, Collaborative Seed & Growth Partners and iCarbonX.

### How much has PatientsLikeMe raised?

PatientsLikeMe has raised $127M across 5 rounds since 2007.

### When did PatientsLikeMe last raise?

PatientsLikeMe's most recent round was an Undisclosed round of $100M in Jan 2017.

### What was PatientsLikeMe's biggest round?

Its most recent round, $100M in Jan 2017, is also its largest on record.

### Who backed PatientsLikeMe first?

PatientsLikeMe's first round on record, in Feb 2007, was backed by CommerceNet and Collaborative Seed & Growth Partners.

### What stage is PatientsLikeMe at?

PatientsLikeMe's latest named round is an Undisclosed round, in Jan 2017.

### Where is PatientsLikeMe based?

PatientsLikeMe is based in the United States.

## Companies like PatientsLikeMe

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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