Humana-backed primary care network Oak Street Health is raising $328m in an offering in which it priced its shares above an expanded range.

Oak Street Health, the US-based primary care centre operator that counts health system Humana as an investor, will go public today in a $328m initial public offering.

The IPO consists of more than 15.6 million shares issued on the New York Stock Exchange and priced at $21.00 each, above the $19 to $20 range the company set on Monday, valuing it at about $5bn. That range had been lifted from $15 to $17 per share.

Oak Street runs a…

Robert Lavine

Robert Lavine is special features editor for Global Venturing.