Biotech IPO Shares Climb in Debuts After Deals Upsized (1)

A trio of biotech companies’ shares rose in their first trading sessions after they each sold more shares in their respective initial public offerings than they had planned.

Bicara Therapeutics Inc. shares climbed 30% to $23.41 apiece as of Friday’s close. The company had expanded its IPO to sell 17.5 million shares at $18 each, at the top of the price range, to raise $315 million, according to a statement.

Shares of MBX Biosciences Inc. rose 48% to $23.65 each. Its enlarged first-time share sale raised $163 million, pricing 10.2 million shares at $16 each at the upper limit ...