Skip to main content
Caplight Logo









Biosion, Inc.

Biosion, Inc.

Private
Newark, DelawareHealthcare & Life Scienceshttps://www.biosion.com/

Last Round

Series B

Dec 1, 2022

Total Funding Raised

$45.7M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Biosion, Inc. is a clinical-stage biotechnology company that develops antibody-based therapies for immune and oncologic diseases.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Clinical Trials, Precision Medicine

Business Model

B2B

Customer Profile

Services & Consulting, Revenue Share

AI Layer

Non-AI

Keywords

antibody therapydrug discoveryclinical stage biotechantibody discovery platformmonoclonal antibodiesmAbsantibody-drug conjugateADCbispecific antibodiesoncology therapeuticsimmunology therapeuticsbiologics discoverydrug licensingout-licensingpharma partnerships

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.

Biosion, Inc. Comparables

Compare Biosion, Inc. with similar companies based on industry and business-model similarity.

Biosion, Inc. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
EpimAb Biotherapeutics
82%
Belenos Biosciences Inc.
78%
Adimab
78%

Biosion, Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BDec 1, 2022
Series B ExtensionDec 9, 2021
VC RoundDec 10, 2020

Key People

Founding team and executive leadership

Mingjiu Chen

Founder, President and CEO

Founding Team

Biosion, Inc. Investors

Notable investors and investment history

Biosion, Inc. investors
InvestorRounds
Bencao CapitalSeries B Extension
GF Xinde Investment ManagementSeries B
Lapam CapitalVC Round
Chase CapitalSeries B Extension
Oceanpine Healthcare FundVC Round
建发新兴投资VC Round

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 20, 2026

    Monthly visitors increased 136% MoM, reaching 304.

  • May 14, 2025

    Grew 16% QoQ, from 19 to 22 employees.

Biosion, Inc. Filings

Explore SEC and related filing metadata, where available.

Biosion, Inc. 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 Biosion, Inc.'s valuation, stock price, and market status.

Is Biosion, Inc. a public or private company?

Biosion, Inc. is a private company.

What is the current stock price of Biosion, Inc.?

Biosion, Inc. is a private company with no public stock price. No recent secondary market data is available.

How much is Biosion, Inc. worth (valuation)?

Valuation information for Biosion, Inc. is not publicly available.

Can I buy Biosion, Inc. stock?

Biosion, Inc. 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 Biosion, Inc.'s last funding round?

Biosion, Inc.'s most recent funding round was Series B on December 1, 2022.

Who are the main investors in Biosion, Inc.?

Key investors in Biosion, Inc. include Bencao Capital, GF Xinde Investment Management, Lapam Capital.

Will Biosion, Inc. IPO soon?

No public IPO plans have been announced for Biosion, Inc..

How can I track Biosion, Inc. secondary market activity?

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

Firmographic Details

HeadquartersNewark, Delaware
Employee Range22
Year Founded2017
Last FundingDec 1, 2022

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?