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Affinivax

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Biotechnology company developing a novel conjugation technology

Cambridge, United StatesFounded 2014Biotech & Life Sciences
Valuation $1–2.5B Last recorded · 2022
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Affinivax and the history behind them.

About Affinivax

Affinivax is a clinical-stage biotechnology company specializing in the development of next-generation vaccines and immunotherapies. The company operates in the healthcare and biotechnology market, focusing on infectious and immune-mediated diseases. Affinivax's core technology, the Multiple Antigen Presenting System (MAPS), enables the high-affinity binding of polysaccharides and proteins in a single vaccine. This unique approach induces a broad and protective B and T cell immune response, offering novel preventive and therapeutic solutions. The company's lead vaccine program targets Streptococcus pneumoniae, a significant cause of pneumonia and other serious infections. Affinivax generates revenue through partnerships, grants, and potential future sales of its proprietary vaccines. The company serves healthcare providers, patients, and global health organizations.

Source: Dealroom company data

At a glance

Founded
2014
Headquarters
Cambridge, United States
Sector
Biotech & Life Sciences
Power Law
Unicorn$1–10B valuation tier

Investors

14 investors on the cap table

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

Seed1 investor entered at this stage

  • Bill & Melinda Gates Foundation

Series A2 investors entered at this stage

  • Viking Global Investors
  • Bain Capital Life Sciences

Series B and later11 investors entered at this stage

Team profiled 8 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
1 countries with
team presence
🇺🇸 United States100%
1 country shown

Patents

Estimated portfolio value
$11M

7 active patent families included in this estimate.

A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.

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Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Affinivax 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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