Castelion funding Castelion funding profile: 14M total raised. Latest round: Series A. Backed by Lightspeed Venture Partners, a16z, Lavrock Ventures. Headquarters: Torrance, CA, US InvestorsLightspeed Venture Partnersa16zLavrock VenturesCantosFirst In Fundraising guidesHow to Align Your Startup’s Funding Needs With The Right InvestorsThe Tactical Guide to a Friends and Family RoundHow to Hire and Manage an M&A Banker to Sell Your Startup More company funding profilesCastle Creek BiosciencesCastle Rock EntertainmentCastbox Browse the company funding database · Browse investors · Fundraising library All companies by funding raisedCompanies page 2San Francisco startupsNew York startupsLondon startupsBoston startupsAustin startupsSeed stage companiesSeries A stage companiesSeries B stage companiesSeries C stage companiesGrowth stage companiesIpo stage companiesStartups funded in 2026