Epic generated revenue last year of $4.9 billion. Cerner, Epic's top rival in the electronic medical records market, went public in 1986 and was acquired by Oracle in 2022 for over $28 billion.

If you’ve ever visited Epic Systems’ sprawling, 1,100-acre campus in Verona, Wis., you may have been surprised by how rural its surroundings are, maybe even chuckling at the stark contrast ...

Epic Systems, a 45-year-old health-care software company, remains privately held with a sprawling campus that’s far from Wall Street or Silicon Valley.