Plexium

San Diego, United States Founded: 2017 • Age: 9 yrs
Integrated chemistry service provider
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About Plexium

Plexium is a company based in San Diego (United States) founded in 2017 by Andrew MacConnell.. Plexium has raised $225.12 million across 5 funding rounds from investors including Citadel, RA Capital and SoftBank Vision Fund. The company has 81 employees as of December 31, 2021. Plexium offers products and services including TPD Platform, Monovalent Degraders, and Molecular Glues. Plexium operates in a competitive market with competitors including Accutar Biotechnology, Lycia Therapeutics, Vicinitas, Photys Therapeutics and Uvic Steratics, among others.

  • Headquarter San Diego, United States
  • Employees 81 as on 31 Dec, 2021
  • Founders Andrew MacConnell
  • Sectors
    Healthcare
  • Phone
    *********
  • Website
    *********
  • Social
    *********
  • Legal Name Plexium, Inc.
Operational Areas
Healthcare → Healthcare Products & Supplies
Key Metrics
  • Annual Revenue
  • Net Profit
  • EBITDA
  • Total Equity Funding
    $225.12 M (USD)

    in 5 rounds

  • Latest Funding Round
    $60.12 M (USD), Series B

    Jul 14, 2025

  • Investors
    Citadel

    & 12 more

  • Employee Count
    81

    as on Dec 31, 2021

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Products & Services of Plexium

Plexium offers a comprehensive portfolio of products and services, including TPD Platform, Monovalent Degraders, and Molecular Glues. The company's diverse product and service offerings are designed to meet the evolving needs of its customers, address market demands, and provide comprehensive solutions that drive value creation and customer satisfaction across various segments and use cases.

Primary

Platform for discovering targeted protein degrader therapeutics

Drugs designed for rational protein degradation applications

Compounds that facilitate targeted protein interactions

People of Plexium
Headcount 50-200
Employee Profiles 30
Board Members and Advisors 4
Employee Profiles
People
Jorge Dimartino
Chief Medical Officer And Executive Vice President Of Clinical And Translational Development
People
Mike Grey
Executive Chairman & CEO
People
Peggy Thompson
VP Biology
People
Stephen Mullennix
CFO

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Board Members and Advisors
people
Gorjan Hrustanovic
Director

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Funding Insights of Plexium

Plexium has successfully raised a total of $225.12M across 5 strategic funding rounds. The most recent funding activity was a Series B round of $60.12 million completed in July 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding
  • Total Rounds 5
  • Last Round Series B — $60.1M
  • First Round
  • Investors Count 13
Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2025 Amount Series B - Plexium Valuation

investors

Feb, 2022 Amount Series B - Plexium Valuation TCG Crossover , BVF Partners
Jan, 2021 Amount Series A - Plexium Valuation Lux Capital , Pivotal bioVenture Partners
TCG , DCVC
Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Investors in Plexium

Plexium has secured backing from 13 investors, including institutional and venture fund investors. Prominent investors backing the company include Citadel, RA Capital and SoftBank Vision Fund. This diverse investor base provides strategic capital, industry expertise, and valuable network connections that support the company's growth initiatives, market expansion, and long-term value creation.

All
Venture Fund
Institutional
Investor Description Founded Year Domain Location
-
Founded Year Domain Location
US private equity investments are managed by BVF Partners.
Founded Year Domain Location
VC firm focusing on life science sector
Founded Year Domain Location
Investor Description Founded Year Domain Location
Single family office of Amitabh Bachchan, founder of Amitabh Bachchan Corporation or AB CORP
Founded Year Domain Location
Startup ecosystems are ignited through strategic investments by Signite Partners.
Founded Year Domain Location
Venture capital is directed toward companies in multiple sectors.
Founded Year Domain Location
Venture capital is invested in cybersecurity, fintech, and AI startups.
Founded Year Domain Location

Investments & Acquisitions by Plexium

Investments
Company Name Description Domain Location Founded Year Amount
Bionic investment advisor platform
2016
Fine Asian gourmet food is offered by an internet-first restaurant.
2016
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014
Fine Asian gourmet food is offered by an internet-first restaurant.
2016

Financial Statements - Plexium

Tata Steel revenue growth over time
Tata Steel profit and loss trends over time
Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Plexium Comparisons

Employees
+
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Competitors of Plexium

Plexium operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Accutar Biotechnology, Lycia Therapeutics, Vicinitas, Photys Therapeutics and Uvic Steratics, among others. This competitive environment drives innovation, market differentiation, and strategic positioning as companies strive to capture market share and deliver value to their customers. Understanding the competitive dynamics is crucial for assessing market positioning, identifying growth opportunities, and navigating the challenges inherent in a competitive marketplace.

Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
AI-assisted tools for drug discovery are developed.
domain founded_year HQ Location
Protein degradation drugs are developed for cancer and autoimmune diseases.
domain founded_year HQ Location
Developer of therapeutics for cancer and genetic disorders
domain founded_year HQ Location
Protein-based small molecules are developed to treat human diseases.
domain founded_year HQ Location
Anti-cancer drugs are developed via Proteolysis Targeting Chimera technology.
Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Multiple services are booked via an app-based platform.
domain founded_year HQ Location
On-demand services are booked through an app-based platform.
domain founded_year HQ Location
App based platform offering on demand delivery and ride-hailing services
domain founded_year HQ Location
Operates an on-demand hyperlocal delivery app for food and groceries.

Latest news on Plexium

Frequently Asked Questions about Plexium

When was Plexium founded?

Plexium was founded in 2017 and raised its 1st funding round 1 year after it was founded.

Where is Plexium located?

Plexium is headquartered in San Diego, United States. It is registered at San Diego, California, United States.

Is Plexium a funded company?

Plexium is a funded company, having raised a total of $225.12M across 5 funding rounds to date. The company's 1st funding round was a Series A of $35M, raised on Feb 01, 2018.

How many employees does Plexium have?

As of Dec 31, 2021, the latest employee count at Plexium is 81.

What does Plexium do?

Plexium offers integrated chemistry services. They provide synthetic organic chemistry, analytical chemistry, spectroscopy, combinatorial chemistry, and others.

Who are the top competitors of Plexium?

Plexium's top competitors include Photys Therapeutics, Uvic Steratics and Accutar Biotechnology.

What products or services does Plexium offer?

Plexium offers TPD Platform, Monovalent Degraders, and Molecular Glues.

Who are Plexium's investors?

Plexium has 13 investors. Key investors include Citadel, RA Capital, SoftBank Vision Fund, The Column Group, and TCG Crossover.

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