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Castle Island Ventures Investment Portfolio

Companies Invested In

Company Name
Sector
Investment Round Value
Funding Round
Announcement Date
PC:ARCHLArch Lending
Crypto, Blockchain & Web3
$75.00M
Seed Round
Aug 14, 2025
PC:CYCLOCyclops
Crypto, Blockchain & Web3
$8.00M
Investment
Mar 04, 2026
PC:PRO1CProject Eleven
Security, Defense & Public Safety
$20.00M
Series A
Jan 14, 2026
PC:STA0SStable
Crypto, Blockchain & Web3
$28.00M
Seed Round
Jul 31, 2025
PC:TESSETesser
Fintech & Financial Services
$4.50M
Seed Round
Oct 22, 2025
PC:VAL1RValinor Digital
Fintech & Financial Services
$25.00M
Seed Round
Mar 30, 2026