Bolt Biotherapeutics

Bolt Biotherapeutics

Develops ISAC-based immuno-oncology therapies

Overview

Bolt Biotherapeutics develops ISACs (Immune-Stimulating Antibody Conjugates) to treat cancer by activating the patient’s own immune system. Its therapies use a proprietary platform that targets dendritic cells and other myeloid cells to reawaken anti-tumor immunity and create systemic immune memory. They focus on patients who do not respond to traditional checkpoint inhibitors and work with oncologists and cancer treatment centers to advance development and commercialization. The product works as an antibody-based conjugate that stimulates immune cells to recognize and attack tumors, with the aim of providing durable clinical benefits. The company differentiates itself by leveraging dendritic and myeloid cell biology through a dedicated platform to drive sustained immune responses, targeting a class of therapies designed for long-term cancer control. Bolt Biotherapeutics’ goal is to deliver long-lasting, tumor-specific immune memory that improves outcomes for cancer patients.

About Bolt Biotherapeutics

Simplify's Rating
Why Bolt Biotherapeutics is rated
C-
Rated C on Competitive Edge
Rated C on Growth Potential
Rated D+ on Differentiation

Industries

Biotechnology

Healthcare

Company Size

51-200

Company Stage

IPO

Headquarters

Redwood City, California

Founded

2015

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Simplify's Take

What believers are saying

  • Phase 1/2 BDC-4182 data expected Q3 2026 validates claudin 18.2 ISAC approach clinically.
  • Claudin 18.2 market expanding with VYLOY approval October 2024 and multiple competitors advancing.
  • BDC-1001 partnership with Roche provides validation and potential combination therapy commercialization pathway.

What critics are saying

  • Cash runway of $23.9M funds operations only into 2027; disappointing Q3 2026 data triggers shutdown.
  • Four active securities fraud class actions drain reserves through legal fees and settlements.
  • 50% workforce layoffs in 2024 eliminated institutional knowledge critical for clinical trial execution.

What makes Bolt Biotherapeutics unique

  • BDC-4182 demonstrates immunological memory and outperforms cytotoxic claudin 18.2 ADCs preclinically.
  • ISAC platform activates myeloid cells to recruit immune system for durable anti-tumor response.
  • BDC-4182 shows activity in low claudin 18.2-expressing tumors, expanding addressable patient population.

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Funding

Total Funding

$413.5M

Above

Industry Average

Funded Over

7 Rounds

IPO funding comparison data is currently unavailable. We're working to provide this information soon!
IPO Funding Comparison
Coming Soon

Stock Price

Growth & Insights and Company News

Headcount

6 month growth

1%

1 year growth

5%

2 year growth

3%
Yahoo Finance
Mar 12th, 2026
Bolt Biotherapeutics reports $6.6M Q4 loss as annual deficit narrows to $33.4M

Bolt Biotherapeutics reported a fourth-quarter loss of $6.6 million, or $3.84 per share, with revenue of $2.5 million. The Redwood City, California-based company's full-year loss narrowed to $33.4 million, or $17.85 per share, whilst revenue remained nearly unchanged at $7.7 million. Shares closed at $4.10, down from $8.06 a year earlier.

Clinical Trial Vanguard
Mar 26th, 2025
Bolt Biotherapeutics Presents Promising BDC-1042 Data at AACR 2025

Bolt Biotherapeutics presents promising BDC-1042 data at AACR 2025.

TipRanks
Sep 4th, 2024
Bolt Biotherapeutics names Brian O'Callaghan chairman

Bolt Biotherapeutics announced the appointment of Jakob Dupont, M.D., to its Board of Directors.

ACCESS Newswire
Jul 16th, 2024
BOLT SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Bolt Biotherapeutics, Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit!

BOLT SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC announces that Bolt Biotherapeutics, Inc. investors with substantial losses have opportunity to lead Class Action lawsuit!

PR Newswire
Jul 12th, 2024
BOLT SHAREHOLDER ALERT: Edelson Lechtzin LLP Urges Bolt Biotherapeutics, Inc. (NASDAQ: BOLT) Shareholders to Consult Legal Counsel About the Pending Securities Fraud Class Action

BOLT SHAREHOLDER ALERT: Edelson Lechtzin LLP urges Bolt Biotherapeutics, Inc. (NASDAQ: BOLT) shareholders to consult legal counsel about the pending Securities Fraud Class Action.

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