Pricing shares at $20 each, below the intended price range, insulin delivery company Minimed Group Inc. debuted with an IPO on Nasdaq March 6, raising $560 million. The company offered a total of 28 million shares, which would have brought the Northridge, Calif.-based company $742 million in gross proceeds if the IPO had priced at the midpoint of the $25-to-$28 price range disclosed in February.