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Mammoth Biosciences Stock (MABI)

Mammoth Biosciences develops novel CRISPR applications for disease detection, research, agriculture, biodefense, and more.

Mammoth Biosciences develops novel CRISPR applications for disease detection, research, agriculture, biodefense, and more.

About Mammoth Biosciences Stock

Founded

2017

Headquarters

San Francisco, CA, US

Total Funding

379M

Industries

Science and Engineering, Health Care, Biotechnology

Mammoth Biosciences is a developer of a ultracompact CRISPR system for diagnostics, protein discovery, and genome therapeutics. The company identifies Cas enzymes and associated technologies to perform edits in-vivo to offer potentially curative treatments for patients with unmet needs.

Investors in Mammoth Biosciences

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Mammoth Biosciences Management

Leadership team at Mammoth Biosciences

Co-Founder and CEO

Trevor Martin

Chief Operating Officer and Chief Financial Officer

Elaine Sun

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Mammoth Biosciences Key Facts


  • Validation via BioPharma Partnership: In April 2024, Mammoth Biosciences announced a strategic collaboration with Regeneron Pharmaceuticals. The deal reportedly provided $100 million in combined upfront payment and equity investment to codevelop in vivo CRISPR therapies beyond liver targets. By combining Regeneron’s cell-targeted delivery vectors with Mammoth’s ultra-compact Cas nucleases, the alliance helps to validate Mammoth Biosciences' platform potential and strengthens its capital runway.
  • Monetization of Diagnostic IP via Out-Licensing: Mammoth Biosciences has streamlined its business model to focus on therapeutics while continuing to monetize its non-therapeutic IP through a non-exclusive licensing deal with VedaBio. The licensing agreement grants VedaBio access to foundational Cas enzyme diagnostic IP for decentralized, amplification-free detection assays, potentially allowing Mammoth Biosciences to capture downstream revenue in the expanding molecular diagnostics market without allocating heavy internal sales resources.
  • Therapeutic Pipeline Advancement & Structural Platform Differentiation: Mammoth Biosciences continues to advance its wholly owned in vivo gene-editing pipeline, highlighting preclinical progress for its lead program MB-111 and presenting updates at the 44th Annual J.P. Morgan Healthcare Conference. Because Mammoth Biosciences’ novel Cas enzymes are estimated to be roughly one-third the size of standard Cas9, they aim to overcome traditional viral vector payload restrictions, establishing a clear technological advantage for delivering complex editing tools into hard-to-reach tissues.
  • Regulatory Uncertainty and Clinical Execution Risks: As Mammoth aims to move MB-111 into the clinic in 2026, it enters a highly scrutinized regulatory environment. The EU AI Act and new FDA guidance on genomic data provenance mandate transparency in how AI-discovered enzymes are designed and tested. Any preclinical setbacks or delays in obtaining Investigational New Drug (IND) clearance could significantly impact the company’s potential success, particularly as investors shift their focus from "platform potential" to "clinical proof-of-concept."
  • Operational Restructuring and Human Capital Risk: In May 2025, Mammoth Biosciences executed a workforce reduction of 24 employees, representing approximately 13% of its staff at the time. This move was part of a broader biopharma trend, as companies narrowed their focus to lead candidates to preserve cash in a challenging capital market. While intended to streamline the path for its lead drug candidate, MB-111, such layoffs can lead to internal disruption, especially as well-funded rivals like Scribe Therapeutics and Metagenomi compete for the same specialized talent in metagenomics and protein engineering.
  • Intense Market Competition in CRISPR Diagnostics: While Mammoth maintains a strong patent portfolio for ultra-small Cas systems, the CRISPR-based diagnostics market is becoming intensely competitive. Mammoth faces emerging threats from specialized global competitors like CrisprBits (India) and CASPR Biotech (Argentina/U.S.), which are developing low-cost, portable CRISPR diagnostics tailored for resource-constrained settings. This intensifying competition could pressure Mammoth’s market share and pricing power in the diagnostics segment.

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