Skip to main content
Caplight Logo









Prosetta Biosciences

Prosetta Biosciences

Private
San Francisco, CaliforniaHealthcare & Life Scienceshttps://prosetta.com/

Last Round

Series D

Dec 3, 2015

Est. Valuation

$20M

Total Funding Raised

$41.58M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Prosetta Biosciences is a biotechnology company that develops small-molecule antiviral therapeutics and advances drug discovery for oncology, neurodegenerative diseases, and infectious diseases.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Non-AI

Keywords

drug discoverysmall-molecule therapeuticscell-free protein synthesis and assemblyCFPSAbiotech R&Dprotein assemblydrug discovery platformbiotech licensingtherapeutic developmentsmall-molecule librarymolecular homeostasispreclinical drug developmentbiotech startuppharma partnering

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Prosetta Biosciences Comparables

Compare Prosetta Biosciences with similar companies based on industry and business-model similarity.

Prosetta Biosciences comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
PRISM BioLab Co., Ltd.
77%
HotSpot Therapeutics
76%
Talus Bio
73%

Prosetta Biosciences Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series DDec 3, 2015
Corporate FundingJul 31, 2012
GrantJun 8, 2012
Series AMay 18, 2007

Key People

Founding team and executive leadership

Michael Farmer

President Co-CEO

Executive Team

Vishwanath R. Lingappa

CEO And CTO,

Executive Team

Prosetta Biosciences Investors

Notable investors and investment history

Prosetta Biosciences investors
InvestorRounds
U.S. Department of Health and Human ServicesGrant
AlgerSeries D

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 26, 2026

    Monthly visitors grew 183% MoM, from 1.2K to 3.5K.

  • Dec 3, 2015

    $31.1M round with participation from Alger and Takeda.

Prosetta Biosciences Filings

Explore SEC and related filing metadata, where available.

Prosetta Biosciences filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about Prosetta Biosciences's valuation, stock price, and market status.

Is Prosetta Biosciences a public or private company?

Prosetta Biosciences is a private company.

What is the current stock price of Prosetta Biosciences?

Prosetta Biosciences is a private company, so its shares have no public market price. Caplight tracks Prosetta Biosciences's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Prosetta Biosciences worth (valuation)?

Prosetta Biosciences's valuation is estimated at $20.0M based on funding round data.

Can I buy Prosetta Biosciences stock?

Prosetta Biosciences shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Prosetta Biosciences's last funding round?

Prosetta Biosciences's most recent funding round was Series D on December 3, 2015.

Who are the main investors in Prosetta Biosciences?

Key investors in Prosetta Biosciences include U.S. Department of Health and Human Services, Alger.

Will Prosetta Biosciences IPO soon?

No public IPO plans have been announced for Prosetta Biosciences.

How can I track Prosetta Biosciences secondary market activity?

Caplight tracks bids, offers, and trades in Prosetta Biosciences's shares on secondary markets.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range13
Year Founded2003
Last FundingDec 3, 2015

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?