Who invested in Momenta Pharmaceuticals

2 rounds we have observed, with the 5 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

Funding summaryUpdated 26 Oct 2026

$40Mraised across 2 rounds since 2003, from 2 sources

$19MSeries B$21MSeries C

Latest round: Series C, $21MMar 2004
Investors: 5

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.

2004

$19MSeries B$21MSeries C

First round: Series B, $19M
Biggest round: $21M
Between rounds: 9 months

The rounds

Mar 2004
Series C$21M1 new4 returning
From a historical funding record
May 2003
Series B$19M4 new
From a historical funding record

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 B2003Series C2004

Atlas Venture

Polaris Partners

MVM Life Science Partners

Cardinal PartnersMithra Ventures

Everyone who backed them

Atlas VentureVC firm2rounds

Polaris PartnersVC firm2rounds

MVM Life Science PartnersVC firm2rounds

Cardinal PartnersInvestment bank2rounds

Mithra VenturesVC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Momenta Pharmaceuticals

Who invested in Momenta Pharmaceuticals?

Momenta Pharmaceuticals's investors include Atlas Venture, Polaris Partners, MVM Life Science Partners, Cardinal Partners and Mithra Ventures.

How much has Momenta Pharmaceuticals raised?

Momenta Pharmaceuticals has raised $40M across 2 rounds since 2003.

When did Momenta Pharmaceuticals last raise?

Momenta Pharmaceuticals's most recent round was a Series C of $21M in Mar 2004.

What was Momenta Pharmaceuticals's biggest round?

Its most recent round, $21M in Mar 2004, is also its largest on record.

Who backed Momenta Pharmaceuticals first?

Momenta Pharmaceuticals's first round on record, in May 2003, was backed by Atlas Venture, Polaris Partners and MVM Life Science Partners and 1 others.