Medical Device Maker Alamar Bio Boosts IPO to Raise $191 Million

Alamar Biosciences Inc., a maker of medical devices that detect protein biomarkers to diagnose diseases, raised $191 million in an upsized US initial public offering that priced at the top of a marketed range.

The Fremont, California-based firm sold 11.25 million shares for $17 each, according to a statement Thursday. The company had offered 9.38 million shares for $15 to $17 apiece. The listing attracted demand for more than 10 times the available shares, people familiar with the matter said earlier.