$4M sweet spot round size
Most of their 50 investments are in rounds between $2M and $7.1M
2018
PYOR raised $4M on May 18, 2023
Investors: Future\Perfect Ventures, CoinSwitch Kuber, Force Ventures LLP and Castle Island Ventures
CAT Labs raised $4.3M on April 10, 2023
Investors: CMT Digital, Brevan Howard Digital, Outshine Ventures, Newark Venture Partners, Borderless Capital, RW3 Ventures and Castle Island Ventures
Andrena raised $15M on February 27, 2023
Investors: KohFounders, Escape Velocity (EV3), FJ Labs, Chaos Ventures, Afore Capital, Dragonfly Capital, J Ventures, Blockchange Ventures and Castle Island Ventures
Groma raised $20M on January 30, 2023
Investors: Launchpad Venture Group, Echelon, Osbon Capital Management and Castle Island Ventures
Arch raised $2.8M on January 18, 2023
Investors: Material V, Global Founders Capital, Picus Capital, Four Acres Capital, Pareto Holdings, Tribe Capital and Castle Island Ventures
Anicca Research raised $7.2M on January 12, 2023
Investors: Chorus One, Tribe Capital, Susa Ventures, 1kx, Dragonfly Capital Partners, LLC, The House Fund, Mirana Ventures and Castle Island Ventures
Kollider Exchange raised $2.4M on October 26, 2022
Investors: Lemniscap, -, Polychain Capital and Castle Island Ventures
Evaluate.Market raised undisclosed on August 5, 2022
Investors: Notation Capital, Arca, Dapper Labs, Rho Ventures, Drive by DraftKings, Flamingo Capital, Visary Capital and Castle Island Ventures
Kinetic raised $7M on August 1, 2022
Investors: BoxGroup, Jump Crypto, Crescent Fund, Lux Capital, SV Angel and Castle Island Ventures
Endstate raised $5.5M on July 4, 2022
Investors: Accomplice VC, Archetype, CMS Holdings, LLC and Castle Island Ventures