Boundless Bio, Inc., a clinical-stage oncology company, develops cancer therapeutics to address the unmet need of patients with oncogene amplified tumors by targeting extrachromosomal DNA. Its lead product candidate is BBI-355, an oral inhibitor of checkpoint kinase 1 that is in Phase 1/2 clinical trial in patients with oncogene amplified cancers. The company is also developing BBI-825, an oral inhibitor of ribonucleotide reductase, which is in Phase 1/2 clinical trial in cancer patients with resistance gene amplifications; and ecDTx 3 program targeting a kinesin involved with the cellular mechanism for segregation of ecDNA. Boundless Bio, Inc. was formerly known as Pretzel Therapeutics, Inc. and changed its name to Boundless Bio, Inc. in July 2019. The company was incorporated in 2018 and is headquartered in San Diego, California.
CEO: Zachary Hornby. Company website
Boundless Bio, Inc. (BOLD) trades at $2.60, up 85.71% on the day, as of Sep 20, 2026 14:59 UTC.
Boundless Bio, Inc. has a market capitalisation of $58.26M, calculated from the live BOLD share price and shares outstanding.
BOLD has no meaningful price-to-earnings ratio: Boundless Bio, Inc. lost $2.61 per share over the last twelve months, and a P/E is only defined on positive earnings.
Boundless Bio, Inc. generated revenue of $0.00 over the trailing twelve months.
BOLD has traded between $1.07 and $2.75 over the past 52 weeks, and the last price is 5.5% below that high.
Yes. Boundless Bio, Inc. keeps 0.00% of revenue as net income over the trailing twelve months.
Wall Street analysts rate BOLD Hold.
Boundless Bio, Inc. is classified under the Healthcare sector and the Biotechnology industry, and is domiciled in US .
Zachary Hornby is the chief executive of Boundless Bio, Inc., which employs 64 people.
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