$1.9M sweet spot round size
Most of their 42 investments are in rounds between $1M and $3.3M
2011
Pencil Biosciences Limited raised $6.8M on September 28, 2023
Investors: UK Innovation & Science Seed Fund, Northern Gritstone, o2h ventures, Octopus Ventures and Martlet Capital
RoboK Limited raised $2M on June 29, 2023
Investors: Amadeus Capital Partners, The Bristol Port Company, u-blox, Deeptech Labs, Parkwalk Advisors, Cambridge Enterprise and Martlet Capital
Undisclosed raised $7.5M on May 22, 2023
Investors: MP Healthcare Venture Management Inc, o2h ventures, Wren Capital LLP, Cambridge Enterprise, Parkwalk Advisors and Martlet Capital
NunaBio Ltd. raised $2.4M on April 20, 2023
Investors: The North East Fund Ltd., Ascension Life Fund, Pioneer Group and Martlet Capital
Cambridge GaN Devices Ltd raised $19M on November 11, 2022
Investors: Cambridge Innovation Capital plc, IQ Capital, Parkwalk Advisors and Martlet Capital
Kalium Health raised $1.5M on November 9, 2022
Investors: Cambridge Enterprise, Kidney Research UK and Martlet Capital
Semarion raised $2.8M on February 22, 2022
Investors: Parkwalk Advisors, Cambridge Enterprise and Martlet Capital
Cambridge GaN Devices Ltd raised $9.5M on February 18, 2021
Investors: Cambridge Enterprise, IQ Capital, Parkwalk Advisors, Cambridge Angels and Martlet Capital
Nu Quantum raised $2.7M on October 5, 2020
Investors: Amadeus Capital Partners, Ahren Innovation Capital, Cambridge Enterprise, IQ Capital, Seraphim Capital and Martlet Capital
Undisclosed raised $1.2M on July 28, 2020
Investors: Cambridge Angels, ACF Investors, Romulus Capital, Wren Capital LLP and Martlet Capital