Seer posts triple-digit gain as trio of new listings adds to 2020’s record NASDAQ haul

Three more biotechs gained value in the aftermarket Friday after pricing upsized IPOs, with proteomics company Seer scoring a triple-digit gain while Silverback and Sigilon each rose by double digits.

With the trio’s listings, more than 80 life sciences companies have raised a combined $20 billion-plus on NASDAQ in 2020, extending the year’s record-setting haul on the exchange. Adding in a fourth company that went public earlier in the week, Kinnate Pharma Inc. (NASDAQ:KNTE), biotechs raised more than $780 million this week...