United States · 
Who invested in Boundless Bio?
Boundless Bio's investors include ARCH Venture Partners, City Hill Ventures, RA Capital Management, Fidelity and Wellington Management, and 6 more on record.
2020202120222023
$46MSeries A$100MSeries CUnited States · Series C startup
Who invested in Boundless Bio
Funding summaryUpdated 26 Oct 2026
$146Mraised across 2 rounds since 2019, from 2 sources
$46MSeries A$100MSeries C
- Latest round
- Series C, $100MMay 2023
- Step-upi
- 2.2×
- Investors
- 11 (2 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $46M Sept 2019
- Biggest round
- $100M Series C · May 2023
- Between rounds
- 3.6 years from the last two
The rounds
- May 2023Series C$100M5 new1 returning
Source recordedSEC filing: $100M sold, first sale Apr 2023
- Sept 2019
Founders and team
From Boundless Bio's own website and the SEC filings it signed: 6 on the team.
- Angela PietrofesoVice President, Clinical Operations
- David HinkleSenior Vice President, Finance & Controller
- Jessica OienChief Legal Officer
- Meredith WesleyChief Human Resources Officer
- Jennifer D. LewDirector
- Zachary D. HornbyDirector, Executive Officeri
On the board, as filediBenjamin D. CravattChristine D. BrennanFabio D. PucciJakob D. LovenJonathan D. LimKristina D. Burow
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.
Everyone who backed them
FidelityVC firm1round
Boxer Capital of the Tavistock GroupVC firm1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Boundless Bio as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Boundless Bio
How much has Boundless Bio raised?
Boundless Bio has raised $146M across 2 rounds since 2019.
When did Boundless Bio last raise?
Boundless Bio's most recent round was a Series C of $100M in May 2023.
What was Boundless Bio's biggest round?
Its most recent round, $100M in May 2023, is also its largest on record.
Who backed Boundless Bio first?
Boundless Bio's first round on record, in Sept 2019, was backed by ARCH Venture Partners, City Hill Ventures and Vertex Ventures China and 3 others.
What stage is Boundless Bio at?
Boundless Bio's latest named round is a Series C, in May 2023.
Where is Boundless Bio based?
Boundless Bio is based in the United States.
Who led Boundless Bio's rounds?
ARCH Venture Partners led the Series A in 2019.
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