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Companies / Boundless Bio

Boundless Bio

United States

Boundless Bio develops therapies for patients with intractable oncogene amplified cancers.

Healthcare & Biotech

Boundless Bio, based in United States, has 11 investors on file, among them ARCH Venture Partners, Boxer Capital and Casdin Capital. Its latest round on record is Series A, 23 Jun 2026. Its site was last checked 13 Nov 2026: site answers.

boundlessbio.com

Funding

1 round on record
Latest roundSeries A23 Jun 2026
Since that round5 monthsno later round on record
Investors in its rounds106 with a VCinfo profile
Jun 2026Series ALed by RA Capital, RTW Investments, with Logos Capital, Casdin Capital, LifeSci Venture Partners, Decheng Capital, Vivo Capital and 3 others

Round sizes and total raised are on Fundup AI, our sister product for funding data.

SEC Form D filings

3 filings
$100M sold15 Aug 2023$106M sold4 May 2021$23.2M sold of $52.5M offered12 Mar 2020

Filed by Boundless Bio, Inc. with the SEC. A Form D reports a private offering; it is not a priced round.

Investors

11 investors on file
InvestorEvidenceType
ARCH Venture PartnersPortfolio pageVenture capital
Boxer CapitalPortfolio pageVenture capital
Casdin CapitalPortfolio pageVenture capital
Decheng CapitalPortfolio pageVenture capital
LifeSci Venture PartnersPortfolio pageVenture capital
Logos CapitalPortfolio pageVenture capital
Nextech InvestPortfolio pageVenture capital
RA CapitalPage + roundVenture capital
Vertex HoldingsPortfolio pageVenture capital
Vertex Ventures HCPortfolio pageVenture capital
Vivo CapitalPortfolio pageVenture capital

A company is shown only after its own site answers and carries its name. Sites are checked again on a schedule, because domains lapse and get bought. Round stages and dates come from Fundup AI; investor links come from portfolio pages and rounds; other facts name their source when you point at them. How we grade the data

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VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/companies/boundlessbio.com/investors

# also
GET /v1/companies/boundlessbio.com
GET /v1/companies/boundlessbio.com/news
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