/Investor DB

Pack Ventures — 2026 Investments

2 investments dated 2026 · listed companies and verified rows first · show all

Accipiter Biosciencesaccipiterbio.cominJul 2026

Accipiter Biosciences uses computational protein design to develop de novo, single-agent protein therapies that engage multiple cell-surface receptors at once, functioning as agonists.

AI & Machine LearningBiotechDeep TechSeattle, US

Matthew Bick(Executive Officer, Director, Promoter)inJavier Castellanos(Executive Officer, Director, Promoter)inHector De Jesus Rincon Arano(Executive Officer, Promoter)Heather Redman(Director)Randall Schatzman(Director)William Canestaro(Executive Officer)in

PartnerKen Horenstein· solo GP

Co-investorsCreative Destruction Lab (CDL)Flying Fish VenturesArgonautic VenturesColumbus Venture PartnersWRF Capital

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

CytoTerra

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.