Wood's flagship Ark Innovation ETF has tumbled 64% so far this year, and it’s down 78% from its February 2021 peak.

The asset manager Cathie Wood also purchased and sold shares of well-known companies for her funds.

Ark also sold four stocks, including a defense contractor and a financial management software company.

Ark funds snagged several tech stocks that have struggled recently. Wood maintains that a drop in tech stocks is a buying opportunity.

Ark also purchased an online sports gambling company. Wood sold an electric vehicle company.

Ark did more selling than buying on April 29, including sale of a South African financial services company's stock.

Wood's flagship Ark Innovation ETF has dropped 48% so far this year amid the slump in technology stocks.

Ark also purchased an e-commerce company and sold more of an EV maker.

Ark ETFs also bought shares of a 3D printer maker and a robotics software provider.

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