Boundless Bio

Boundless Bio

BOLD
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BOLD · Stock Price

USD 1.53+0.04 (+2.68%)
Market Cap: $33.6M

Historical price data

Market Cap: $33.6MPipeline: 3 drugsFounded: 2018HQ: San Diego, United States

Overview

Boundless Bio is a pioneer in oncology, founded to address the unmet need in cancers driven by oncogene amplification, which affect over 25% of all cancer patients. The company has established itself as the leader in the field of extrachromosomal DNA (ecDNA), leveraging its proprietary platform to develop first-in-class ecDNA-directed therapies (ecDTx). With a Phase 1 asset and a seasoned leadership team, its strategy is to validate a new therapeutic paradigm that could improve outcomes for patients with some of the most aggressive and treatment-resistant cancers.

Oncology

Technology Platform

Proprietary platform focused on targeting extrachromosomal DNA (ecDNA), a circular genetic driver of high-level oncogene amplification, tumor heterogeneity, and therapy resistance in cancer cells.

Pipeline

3
3 drugs in pipeline
DrugIndicationStageWatch
BBI-355 + Erlotinib + Futibatinib + BBI-825Triple Negative Breast Cancer (TNBC)Phase 1
BBI-825Solid TumorPhase 1
BBI-940 + FulvestrantBreast CancerPhase 1

Funding History

8
Total raised:$805M
Series F$100M
Series E$100M
IPO$185M
Series D$100M

Opportunities

Boundless Bio addresses a massive unmet need in over 25% of cancers driven by oncogene amplification, a population with poor prognosis and no targeted therapies.
Successfully validating its ecDNA platform could create a new multi-billion dollar therapeutic vertical in oncology and establish a proprietary diagnostic segment.

Risk Factors

The company faces high clinical risk as its novel ecDNA hypothesis is unproven in humans.
As a pre-revenue Phase 1 company, it requires significant additional capital, posing dilution risk.
Intense competition may emerge in this nascent but compelling field.

Competitive Landscape

Boundless Bio is the first-mover in ecDNA-targeted therapies, but faces potential competition from emerging biotechs and academics. Indirectly, it competes with all therapies targeting amplified oncogenes (e.g., TKIs, ADCs), but aims to differentiate by targeting the root cause of resistance.

Company Timeline

2018Founded

Founded in San Diego, United States

2021Series A

Series A: $105.0M

2024IPO

IPO — $185.0M

2024Series F

Series F: $100.0M