Granite Bio

Granite Bio

Private
South San Francisco, CaliforniaHealthcare & Life Scienceswww.granitebio.com

Last Round

Series B

Apr 24, 2025

Total Funding Raised

$70M

Momentum Score

50 /100

Company Overview

Granite Bio is a biotechnology company that develops innovative monoclonal antibody treatments for autoimmune diseases aimed at depleting pathogenic cells and selectively targeting key disease biology nodes.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Clinical Trials, Precision Medicine

Business Model

B2B2C

Customer Profile

Revenue Share

AI Layer

Non-AI

Keywords

antibody therapyclinical-stage biotechbiologicsautoimmune disease therapyinflammatory disease therapyfirst-in-class therapymonoclonal antibodiesmonocyte depletion therapyinflammatory bowel diseaseIBDdrug discoveryfibrotic disease therapyIL-3 inhibitor

Historical Pricing

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Caplight Momentum Score

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Granite Bio Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Granite Bio Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
Series BApr 24, 2025
VC RoundApr 24, 2025

Key People

Founding team and executive leadership

Patrick Loustau

President And Chief Executive Officer

Executive Team

Granite Bio Investors

Notable investors and investment history

InvestorRounds
ForbionVC Round
Novartis Venture FundSeries B, VC Round
Versant VenturesSeries B, VC Round
Sanofi VenturesVC Round, Series B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 1, 2026

    Lead asset GRT-001 finished Phase 1a trial in healthy volunteers.

  • Apr 1, 2026

    Phase 1b trial for lead asset GRT-001 has started in Ulcerative Colitis patients.

Granite Bio Filings

SEC and related filings with document metadata.

TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Granite Bio Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersSouth San Francisco, California
Employee Range24
Year Founded2021
Last FundingApr 24, 2025

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