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Therini Bio

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A biotechnology company dedicated to the research and development of novel therapeutics for the treatment of neuroinflammatory diseases due to vascular dysfunction

South San Francisco, United StatesFounded 2016Biotech & Life Sciences
Valuation $100–250M Last recorded · 2025
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 Therini Bio and the history behind them.

About Therini Bio

Therini Bio is a clinical-stage biotechnology company focused on the development of fibrin-targeting immunotherapies. The company's primary area of research is neuroinflammation, with a specific interest in diseases driven by vascular dysfunction. Therini Bio's leading product candidate, THN391, is a monoclonal antibody that has undergone Phase 1a trials for the treatment of neurodegenerative diseases.

The company's therapeutic approach is centered on the idea that toxic fibrin deposits trigger inflammation cascades that contribute to a variety of illnesses. By targeting fibrin, Therini Bio aims to halt chronic neuroinflammation and subsequent neuronal damage. The company was founded in 2016 and is headquartered in South San Francisco, California.

Therini Bio operates within the biotechnology sector, a market characterized by high research and development costs and long product development timelines. The company's business model is typical of a clinical-stage biotech, involving the discovery and development of new therapeutics with the ultimate goal of commercialization, potentially through partnerships with larger pharmaceutical companies. The company's financial success is contingent on the successful clinical development and regulatory approval of its product candidates.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2016
Headquarters
South San Francisco, United States
Employees
15
Open positions
None listed
Dealroom signal
91.2/100
Industry
Health
Sub-industry
Pharmaceutical, BioTechnology
Sector
Biotech & Life Sciences, Biotechnology, Spinout, Biotech and Pharma, DT and LS, science-based
Business model
Manufacturing
Client focus
b2b

Funding history

5 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES AOther financing May 2025 $39M $156M Dementia Discovery Fund · MRL Ventures · Dolby Family Ventures · SV Health Investors ↗
SERIES AOther financing Apr 2023 $36M $144M Merck & Co. · Sanofi Ventures · Eli Lilly · MRL Ventures ↗
Showing the latest 2 of 5 recorded eventsBook a demo for the full funding history →

Growth signals

Therini Bio website traffic

Latest recorded traffic for Therini Bio is 840 monthly website visits, down 30% over the last three months. Therini Bio's team grew 36.4% over the past year.

Latest monthly visits840 3-month web change-30% 1-year team growth+36.4%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

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

Investors

14 investors on the cap table

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

Seed6 investors entered at this stage

  • Dolby Family Ventures
  • SV Health Investors
  • Dementia Discovery Fund
  • MRL Ventures
  • Sanofi Ventures
  • Foundation for a Better World

Series A5 investors entered at this stage

  • Merck & Co.
  • Eli Lilly
  • Alzheimer's Drug Discovery Foundation
  • Apollo Health Ventures
  • Angelini Ventures

Other known investors3 additional known investors

  • Gladstone Institutes
  • QB3
  • University of California, San Diego
Team profiled 7 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 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 States86.7%
🇯🇵 Japan6.7%
🇩🇪 Germany6.7%
3 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Therini Bio 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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