August has traditionally been a quieter time for initial public offerings as bankers head out of the office for summer vacations. But with the stock market and bitcoin climbing to record highs, those bankers are giving up their summer breaks so they can be a part of the hottest IPO market in four years.

ARK bought around 2.5 million shares—worth roughly $172 million at the close—across three exchange-traded funds.

Lauded tech investor Cathie Wood got in on the latest blockbuster crypto IPO, with Ark Invest buying up millions of shares in Bullish.