Ampersand Biomedicines

Ampersand Biomedicines

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Private Company

Total funding raised: $165M

Overview

Ampersand Biomedicines is a Flagship Pioneering-founded biotech developing a novel class of targeted therapeutics called AND-Body Therapeutics. Its proprietary AND Platform combines a computational 'Address Map' of human biology with modular engineering to create drugs that localize to diseased tissue and activate a therapeutic payload only there. The company is in the preclinical stage, targeting a broad range of diseases across multiple organs with its versatile platform technology.

OncologyAutoimmune DiseasesRare DiseasesInflammatory DiseasesBlood Disorders

Technology Platform

The AND Platform: A proprietary, computationally powered system for creating programmable, multi-specific therapeutics. It consists of an 'Address Map' (multi-omics database for target identification), a 'Navigate' engine for AI-guided binder discovery, and a 'Determine' module for engineering conditionally active drugs that localize to disease sites and activate a therapeutic payload.

Funding History

3
Total raised:$165M
PIPE$65M
Venture$50M
Series A$50M

Opportunities

The platform's ability to enable potent therapeutic mechanisms with improved safety creates opportunities across oncology, autoimmunity, and rare diseases.
Its modular, multi-format design (proteins, nucleic acids, small molecules) allows it to address a vast range of drug targets and disease biology, potentially creating best-in-class or first-in-class therapeutics in multiple high-value markets.

Risk Factors

The core platform technology is novel and unproven, carrying significant preclinical validation risk.
Engineering complex, conditionally active biologics that function reliably in humans presents major technical and development challenges.
The company faces intense competition from established and emerging targeted therapy approaches.

Competitive Landscape

Ampersand competes in the broad field of targeted drug delivery, including companies developing antibody-drug conjugates (ADCs), tissue-specific gene therapies, and other tissue-targeting platforms. Its differentiation lies in its systematic, computation-driven 'Address Map' and its goal to fully decouple targeting from therapeutic action, a more modular approach than most existing technologies.