Phase4 Partners Overview

  • Investor Type
  • Venture Capital

  • Status
  • Active

  • Professionals
  • 1

Professionals

  • Investments
  • 45

  • Portfolio
  • 4

  • Exits
  • 33

Exits

Phase4 Partners General Information

Company Description

Phase4 Partners is a venture capital firm based in London, United Kingdom. The firm seeks to invest in the healthcare including biotechnology, medical devices, digital health, and life science sector.

Business Details

Website
www.p4p.tech
Formerly Known As
Breezesense Limited, Phase4 Ventures Limited
Year Founded
2004
Investor Status
Actively Seeking New Investments
Primary Investor Type
Venture Capital
Corporate Office
  • 4th Floor
  • Cavendish Place
  • London W1G 0QF
  • England, United Kingdom

Phase4 Partners Investments (45)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
BigBib 01-Aug-2025 Early Stage VC Clinics/Outpatient Services Startup
RimRi 01-Aug-2025 Other Healthcare Technology Systems Stealth
Avocode 20-Jan-2020 Multimedia and Design Software Generating Revenue
Albireo 03-Nov-2016 Drug Discovery Generating Revenue
Nabriva Therapeutics 07-Apr-2015 Drug Discovery Generating Revenue
ACADIA Pharmaceuticals 21-Dec-2012 Pharmaceuticals Profitable
Nabriva Therapeutics 01-Mar-2012 Drug Discovery Generating Revenue
Paratek Pharmaceuticals 01-Mar-2012 Pharmaceuticals Generating Revenue
Nabriva Therapeutics 01-Oct-2010 Early Stage VC Drug Discovery Generating Revenue
Sequenom 21-May-2010 PIPE Monitoring Equipment Generating Revenue
You’re viewing 10 of 45 investments. Get the full list »

Want detailed data on 11M+ companies?

What you see here scratches the surface

Request a free trial

Want to dig into this profile?

We’ll help you find what you need

Learn more

Phase4 Partners Exits (33)

Company Name Exit Date Exit Type Exit Size
Chroma Therapeutics 02-Jul-2024 Bankruptcy: Liquidation
OncoMed Pharmaceuticals 23-Apr-2019
Albireo 24-May-2017
Albireo 03-Nov-2016
Nabriva Therapeutics 18-Sep-2015
Targacept 20-Aug-2015
Zosano Pharma 27-Jan-2015
Paratek Pharmaceuticals 30-Oct-2014
OncoMed Pharmaceuticals 18-Jul-2013 IPO
Sequenom 25-Jan-2012 Public Investment 2nd Offering
You’re viewing 10 of 33 exits. Get the full list »

Phase4 Partners Fund Performance

Fund Name Vintage Size Dry Powder DPI RVPI TVPI IRR

This information is available in the PitchBook Platform. To explore Phase4 Partners‘s full profile, request access.

Request a free trial

Phase4 Partners Investments by Industry, Year, and Region

Investments by Industry

Investments by Year

Investments by Region

PitchBook’s data visualizations quickly surface an investor’s historical investments—showing a breakdown of activity by industry, year and region.

Request a free trial

Phase4 Partners FAQs

  • What is Phase4 Partners?

    Phase4 Partners is a venture capital firm based in London, United Kingdom.

  • When was Phase4 Partners founded?

    Phase4 Partners was founded in 2004.

  • Where is Phase4 Partners headquartered?

    Phase4 Partners is headquartered in London, United Kingdom.

  • How many investments has Phase4 Partners made?

    Phase4 Partners has made 45 investments.

  • What has Phase4 Partners invested in?

    Phase4 Partners has made numerous investments in companies like BigBib, RimRi, and Avocode within the Clinics/Outpatient Services, Healthcare Technology Systems, and Multimedia and Design Software industries.

  • What has Phase4 Partners invested in recently?

    Phase4 Partners's latest investment was on 01-Aug-2025 in BigBib, a company within the Clinics/Outpatient Services industry.

Data Transparency

  • Meet our data hygiene team

    Discover how our experts ensure you’re getting the most accurate financial data in the industry.

    Read more

  • How PitchBook sources data

    Our data operations team has logged over 3.5 million hours researching, organizing, and integrating the information you need most.

    Discover our process