Roku Wins A New Investor: Ken Griffin

A 13G filing from hedge fund manager Ken Griffin's Citadel Advisors shows a new 5% stake in Roku Inc ROKU.

Griffin founded Citadel in 1990 and has since served as the firm’s CEO, managing over $32 billion in capital for its partners. In 2014. Griffin donated $150 million to support need-based financial aid at Harvard University. 

Most recently, he has been on a real-estate spending spree. In January, he dished out $238 million for a sprawling New York City apartment. Just days before news of his NYC purchase was announced, the news broke of Griffin's $122-million mansion purchase in London, according to Business Insider.

Macquarie upgraded Roku from Neutral to Outperform on Wednesday. 

Roku shares were down 1.01% at $116.60 at the time of publication. The stock has a 52-week high of $176.55 and a 52-week low of $26.30.

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Photo by Paul Elledge via Wikimedia.