General Catalyst has successfully raised $8 billion in new capital, allocating $750 million specifically for health care investments amid its ongoing acquisition of Ohio's Summa Health, which is under regulatory review. The fund includes $4.5 billion for seed and growth equity, $1.5 billion for new company creation, and $2 billion in separately managed accounts. The firm, led by Hemant Taneja, is enhancing its health care focus by partnering with various health systems and payers to foster a "health assurance ecosystem."