PANews November 5 news, according to The Block, the Michigan Retirement System disclosed that it holds approximately $10 million in Grayscale's spot Ethereum ETF (ETHE), becoming the first state pension fund to invest in this product since the ETF launched in July of this year. Additionally, it holds approximately $1.1 million in Grayscale's Ethereum Mini ETF. The system had previously disclosed holdings of about $7 million in spot Bitcoin ETF.