According to BlockBeats, a recent filing with the U.S. Securities and Exchange Commission reveals that the Michigan State Pension Fund held 300,000 shares of the Ark Bitcoin ETF as of June 30, valued at approximately $10.7 million. This marks an increase from the 100,000 shares reported on March 31. The Ark Bitcoin ETF, officially known as The ARK 21Shares Bitcoin ETF (ARKB), has seen growing interest from institutional investors.