Skip to main content
Caplight Logo









Primrose Bio

Primrose Bio

Private
San Diego, CaliforniaHealthcare & Life Scienceshttps://www.primrosebio.com/

Last Round

Growth Equity

Sep 22, 2026

Est. Valuation

$30.06M

Total Funding Raised

$34.58M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Primrose Bio is a biotechnology company that provides an integrated technology platform for solving complex drug manufacturing and design challenges for protein and nucleic acid medicines.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Biotech Equipment

Business Model

B2B

Customer Profile

Services & Consulting, Data as a Service, Revenue Share

AI Layer

Non-AI

Keywords

RNA polymerasemRNA manufacturingprotein engineeringsaRNAself-amplifying RNAbiotech reagentsenzyme engineeringCDMOcontract development and manufacturingchemistry, manufacturing, and controlsCMCbioprocessingvaccine productionbiotech supplylife sciences supplier

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.

Primrose Bio Comparables

Compare Primrose Bio with similar companies based on industry and business-model similarity.

Primrose Bio comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
ExPLoRNA Therapeutics
79%
Maravai Lifesciences Holdings, Inc.
77%
CELLSCRIPT, LLC
76%

Primrose Bio Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Growth EquitySep 22, 2026
Series BJun 17, 2024
Series ASep 18, 2023
GrantApr 26, 2023
GrantApr 15, 2020
Grant
Sep 17, 2018

Key People

Founding team and executive leadership

Andrew Burch

Chief Executive Officer

Executive Team

Helge Zieler

Chief Executive Officer

Executive Team

Simon Latimer

Chief Financial Officer

Executive Team

Primrose Bio Investors

Notable investors and investment history

Primrose Bio investors
InvestorRounds
Ligand PharmaceuticalsGrowth Equity, Series A
Agent CapitalGrowth Equity
NIH RADxGrant
Signet Healthcare PartnersGrowth Equity
LDV PartnersGrowth Equity
National Institute of General Medical SciencesGrant
1315 CapitalGrowth Equity, Series B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 22, 2026

    Signet Healthcare Partners led the round with participation from Agent Capital and LDV Partners.

  • Nov 10, 2025

    Launched Prima RNApols ExTend Cap AU for mRNA manufacturing.

Primrose Bio Filings

Explore SEC and related filing metadata, where available.

Primrose Bio 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 Primrose Bio's valuation, stock price, and market status.

Is Primrose Bio a public or private company?

Primrose Bio is a private company.

What is the current stock price of Primrose Bio?

Primrose Bio is a private company with no public stock price. No recent secondary market data is available.

How much is Primrose Bio worth (valuation)?

Primrose Bio's valuation is estimated at $30.1M based on funding round data.

Can I buy Primrose Bio stock?

Primrose Bio shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Primrose Bio's last funding round?

Primrose Bio's most recent funding round was VC Round on September 18, 2023.

Who are the main investors in Primrose Bio?

Key investors in Primrose Bio include Ligand Pharmaceuticals, 1315 Capital.

Will Primrose Bio IPO soon?

No public IPO plans have been announced for Primrose Bio.

How can I track Primrose Bio secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Primrose Bio's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Diego, California
Employee Range41
Year Founded2023
Last FundingSep 22, 2026

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?