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Protego Bio

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Protein stabilizing therapies targeting misfolding diseases

San Diego, United StatesFounded 2011Biotech & Life Sciences
Valuation $500M–1B 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 Protego Bio and the history behind them.

About Protego Bio

Protego Biopharma is a biotechnology startup that is pioneering the discovery and development of innovative therapeutics to treat protein misfolding diseases. The company operates in the pharmaceutical industry, specifically in the drug discovery sector. Its primary focus is on systemic amyloid diseases like light chain (LC) amyloidosis and other monogenetic protein misfolding diseases that cause a variety of health issues including myopathy, cardiomyopathy, stroke, renal disease, retinal diseases, channelopathies, and various degenerative diseases.

Protego Biopharma's business model revolves around the use of advanced bioinformatics, deep biology, and clinical path analysis to identify high-confidence targets for drug development. The company's approach is data-driven and focuses on modifying diseases through an innovative discovery platform. They also use specific and sensitive biomarkers for early patient identification and to measure therapeutic efficacy.

The company's revenue model is likely based on the development and commercialization of its therapeutics. Once a drug is developed, it can be patented and sold to healthcare providers or directly to patients. Additionally, the company may generate income through partnerships or collaborations with other pharmaceutical companies.

The company was co-founded by Dr. Jeffery W. Kelly and Dr. Richard Labaudinière, who have previously demonstrated success in this field with the discovery and development of tafamidis, a drug used for the treatment of transthyretin amyloidosis.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2011
Headquarters
San Diego, United States
Employees
26
Open positions
3
Dealroom signal
41.3/100
Industry
Health
Sub-industry
BioTechnology, Health Platform
Sector
Biotech & Life Sciences, Biotechnology, Drug Development, Spinout, Tech for Biotech and Pharma, Biotech and Pharma, proteomics, DT and LS, science-based
Business model
Manufacturing
Client focus
b2b

Funding history

3 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES BOther financing Dec 2025 $130M $520M Lightspeed Venture Partners · MPM BioImpact · Digitalis Ventures · Scripps Translational Science Institute ↗
SERIES AOther financing Nov 2021 $51M $204M Lightspeed Venture Partners · MPM BioImpact · Vida Ventures ↗
Showing the latest 2 of 3 recorded eventsBook a demo for the full funding history →

Growth signals

Protego Bio website traffic

Latest recorded traffic for Protego Bio is 2.1K monthly website visits, down 8.7% over the last three months. Protego Bio's team grew 4% over the past year.

Latest monthly visits2.1K 3-month web change-8.7% 1-year team growth+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.

CompanyHeadquartersStatusEmployeesTotal fundingValuation
PlexiumA drug development startup that leverages techniques from various physical-science and computational disciplines San Diego, United States Operational 33 $225M $510M
Stablix TherapeuticsStablix | Protein Stabilization Therapeutics New York City, United States Operational
Sibylla BiotechFacing the complexity of drug discovery with the power of an innovative approach for meeting unmet medical needs Bresso, Italy Operational
Relay TherapeuticsA new breed of company at the intersection of computation and biotechnology that is committed to creating medicines that will have a transformative impact on patients Cambridge, United States Operational
ArzedaDevelops enzyme design technology to create entirely novel designer cell factories capable of industry-scale chemical production Seattle, United States Operational
NeuroKaireGenetika+ is developing a tailored medical diagnostic instrument to help doctors cure depression. Genetika+ predicts the best pharmacological treatment for each patient, allowing faster treatment Kearny, United States Operational
Amphista TherapeuticsNext-generation therapeutics for targeted protein degradation Great Abington, United Kingdom Operational
DrugBankAI-powered pharmaceutical knowledge platform for drug development Edmonton, Canada Operational
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

10 investors on the cap table

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

Series A10 investors entered at this stage

  • Lightspeed Venture Partners
  • MPM BioImpact
  • Vida Ventures
  • Novartis Venture Fund
  • Forbion Capital Partners
  • Digitalis Ventures
  • Scripps Translational Science Institute
  • YK Bioventures
  • Omega Funds
  • Droia Oncology Ventures
Team profiled 2 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 States89.5%
🇳🇱 Netherlands5.3%
🇩🇪 Germany5.3%
3 countries shown

Market sentiment

Posts on X, past 7 days

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