“I think low interest rates have pushed up valuations for growth companies and the hundreds of unicorns in the pipeline are looking to take advantage of that...and I think right now we’re seeing companies that both benefited from the pandemic as well as companies that are pitching post-pandemic stories," said Matt Kennedy, a senior strategist at IPO research firm Renaissance Capital.

https://news.crunchbase.com/news/the-market-minute-ipo-deal-volume-reaches-a-new-high-in-h1-2021/