# Calithera Biosciences funding: rounds and investors

> Calithera Biosciences has raised $115M across 7 rounds since 2010. Investors include Morgenthaler Ventures, Advanced Technology Ventures and Delphi Ventures.

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

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

# Who invested in *Calithera Biosciences*

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

Funding summary Updated 26 Oct 2026

**$115M** raised across 7 rounds since 2010, from 7 sources

**$40M** Series A **$4.0M** Venture **$8.0M** Series B **$2.0M** Series C **$35M** Series D **$16M** Series D **$10M** Round

- **Latest round:** Round, $10M Mar 2022
- **Biggest round:** $40M Series A · Jul 2010
- **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.

2010 2012 2014 2016 2018 2020 2022

**$40M** Series A

**$4.0M** Venture

**$8.0M** Series B

**$35M** Series D

**$16M** Series D

**$10M** Round

- **First round:** Series A, $40M
- **Biggest round:** $40M
- **Usual gap between rounds:** 10 months

## The rounds

- **Mar 2022** Round **$10M** *1 new* *1 returning* [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) [Longwood Fund](https://millionrounds.com/fund/longwood-fund) Source recorded
- **Jul 2014** Series D **$16M** No investor was named in the report. From a historical funding record SEC filing: $16M sold, first sale Jul 2014
- **Oct 2013** Series D **$35M** *1 new* *3 returning* [Morgenthaler Ventures](https://millionrounds.com/fund/morgenthaler) [Advanced Technology Ventures](https://millionrounds.com/fund/advanced-technology-ventures) [Delphi Ventures](https://millionrounds.com/fund/delphi-ventures) [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) Reported by finsmes.com SEC filing: $27M sold, first sale Oct 2013
- **Dec 2012** Series C **$2.0M** *3 returning* [Morgenthaler Ventures](https://millionrounds.com/fund/morgenthaler) [Advanced Technology Ventures](https://millionrounds.com/fund/advanced-technology-ventures) [Delphi Ventures](https://millionrounds.com/fund/delphi-ventures) From a historical funding record SEC filing: $2.0M sold, first sale Dec 2012
- **May 2012** Series B **$8.0M** No investor was named in the report. Reported by sec.gov SEC filing: $8.0M sold, first sale Nov 2011
- **Apr 2012** Venture **$4.0M** *4 returning* [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Morgenthaler Ventures](https://millionrounds.com/fund/morgenthaler) [Advanced Technology Ventures](https://millionrounds.com/fund/advanced-technology-ventures) [Delphi Ventures](https://millionrounds.com/fund/delphi-ventures) From a historical funding record SEC filing: $8.0M sold, first sale Nov 2011
- **Jul 2010** Series A **$40M** *5 new* [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Morgenthaler Ventures](https://millionrounds.com/fund/morgenthaler) [Advanced Technology Ventures](https://millionrounds.com/fund/advanced-technology-ventures) [Delphi Ventures](https://millionrounds.com/fund/delphi-ventures) [Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) Reported by calithera.com SEC filing: $10.0M sold, first sale Jun 2010

## Founders and team

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

- **Susan M. Molineaux** Executive Officer, Director i
- **William M. Waddill** Executive Officer i

On the board, as filed i *Deepa M. Pakianathan* *Jean M. George* *Jonathan M. Drachman* *Ralph E. Christoffersen*

## 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** 2010 **Venture** 2012 **Series B** 2012 **Series C** 2012 **Series D** 2013 **Series D** 2014 **Round** 2022 [Morgenthaler Ventures](https://millionrounds.com/fund/morgenthaler) [Advanced Technology Ventures](https://millionrounds.com/fund/advanced-technology-ventures) [Delphi Ventures](https://millionrounds.com/fund/delphi-ventures) [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) [Longwood Fund](https://millionrounds.com/fund/longwood-fund) [Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital)

## Everyone who backed them

[Morgenthaler Ventures](https://millionrounds.com/fund/morgenthaler) VC firm **4** rounds

[Advanced Technology Ventures](https://millionrounds.com/fund/advanced-technology-ventures) VC firm **4** rounds

[Delphi Ventures](https://millionrounds.com/fund/delphi-ventures) VC firm **4** rounds

[U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) VC firm **2** rounds

[Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) Asset manager **2** rounds

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

[Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) VC firm **1** round

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

## Quick answers about Calithera Biosciences

### Who invested in Calithera Biosciences?

Calithera Biosciences's investors include Morgenthaler Ventures, Advanced Technology Ventures, Delphi Ventures, U.S. Venture Partners and Adage Capital Management, and 2 more on record.

### How much has Calithera Biosciences raised?

Calithera Biosciences has raised $115M across 7 rounds since 2010.

### When did Calithera Biosciences last raise?

Calithera Biosciences's most recent round was an Undisclosed round of $10M in Mar 2022.

### What was Calithera Biosciences's biggest round?

Calithera Biosciences's largest round on record is $40M (Series A), in Jul 2010.

### Who backed Calithera Biosciences first?

Calithera Biosciences's first round on record, in Jul 2010, was backed by U.S. Venture Partners, Morgenthaler Ventures and Advanced Technology Ventures and 2 others.

### What stage is Calithera Biosciences at?

Calithera Biosciences's latest named round is an Undisclosed round, in Mar 2022.

### Where is Calithera Biosciences based?

Calithera Biosciences is based in the United States.

## Companies like Calithera Biosciences

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)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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