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Boston Pharmaceuticals

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Acquiring and transforming innovative molecules into differentiated medicines that improve patients’ lives

Cambridge, United StatesFounded 2016Biotech & Life Sciences
Valuation $1–2.5B Last recorded · 2025
Headcount <100 Current team size
Total funding $500M–1B Disclosed equity funding
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About Boston Pharmaceuticals

Boston Pharmaceuticals operates as a clinical-stage biopharmaceutical company with a distinct business model focused on acquiring and developing promising drug candidates. Founded in 2015 by Chris Viehbacher and Robert Armstrong, the company identifies and in-licenses molecules from other biotechnology and pharmaceutical firms that have shown early potential. This strategy allows Boston Pharmaceuticals to bypass the initial, often high-risk, stages of drug discovery and apply its team's expertise to advance these assets through clinical development. The company's revenue model is centered on creating value by achieving clinical proof-of-concept and then partnering with larger pharmaceutical companies for late-stage development, registration, and commercialization, or in some cases, advancing programs on its own.

The company was established with significant initial capital, reportedly $600 million from Gurnet Point Capital, to build a diverse portfolio of early-stage drug candidates. This financial backing enables the company to pursue multiple programs simultaneously across various therapeutic areas. Co-founder Chris Viehbacher brought extensive experience from his time as CEO of Sanofi and a 20-year career at GlaxoSmithKline (GSK), providing a deep understanding of pharmaceutical R&D and a vast industry network. This background is integral to the company's strategy of identifying high-potential assets and forging partnerships, such as a multi-program agreement with GSK announced in 2018.

Currently, Boston Pharmaceuticals is primarily focused on developing therapies for serious liver diseases. Its lead program was efimosfermin alfa (BOS-580), a long-acting FGF21 analogue for the treatment of metabolic dysfunction-associated steatohepatitis (MASH), a severe form of liver disease. After showing statistically significant improvements in liver fibrosis and MASH resolution in a Phase 2 study, the asset was acquired by GSK. The company's pipeline has also included candidates for autoimmune diseases, cancer, irritable bowel syndrome, and acne. By employing a data-driven approach and leveraging a network of development partners, Boston Pharmaceuticals aims to de-risk and accelerate the journey of new medicines to patients.

Source: Dealroom company data

At a glance

Status
Acquired
Founded
2016
Headquarters
Cambridge, United States
Employees
70
Open positions
None listed
Dealroom signal
30.9/100
Industry
Health
Sub-industry
Pharmaceutical, BioTechnology
Sector
Biotech & Life Sciences, Biotechnology, Rumoured $1B, Biotech and Pharma, DT and LS, science-based
Business model
Manufacturing
Client focus
B2B

Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITIONOther financing Oct 2025 $1.2B $1.2B GSK ↗
GROWTH EQUITY VCOther financing Sep 2017 $600M — Gurnet Point Capital ↗
Showing the latest 2 of 2 recorded eventsBook a demo for the full funding history →

Growth signals

Boston Pharmaceuticals website traffic

Latest recorded traffic for Boston Pharmaceuticals is 690 monthly website visits, down 37.3% over the last three months. Boston Pharmaceuticals's team declined 16.7% over the past year.

Latest monthly visits690 3-month web change-37.3% 1-year team growth-16.7%
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Similar companies

Closest operating peers by Dealroom taxonomy

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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Boston Pharmaceuticals in the Cambridge ecosystem

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Investors

2 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series B and later1 investor entered at this stage

  • Gurnet Point Capital

Other known investors1 additional known investor

  • GSK
Team profiled 11 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
3 countries with
team presence
🇺🇸 United States85.7%
🇪🇬 Egypt11.9%
🇬🇪 Georgia2.4%
3 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Boston Pharmaceuticals on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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