Athira Pharma Inc.’s proposed $100 million IPO, along with a filing by Virios Therapeutics LLC to raise $35 million on Aug. 28, helped propel a supercharged amount of investment in 2020 that shows no sign of slowing. The pace is unusually swift this year despite hindrances from COVID-19. The total value of IPOs so far in 2020 is $12.95 billion, with 54 completed, easily outpacing 2019’s $8.64 billion.