[U.S. Wisconsin Pension Plan May Increase Spot Bitcoin ETF Investment] Golden Finance reported that David Krause, a professor of finance at Marquette University in the United States, said that the Wisconsin Investment Board (SWIB) purchased $164 million worth of BlackRock's iShares Bitcoin Trust and Grayscale's Bitcoin Trust shares in the first quarter. This investment may be just the beginning. SWIB is expected to increase its investment further, and other pension plans may follow suit. As of the end of 2023, SWIB will manage approximately $156 billion in assets, and Bitcoin ETFs will account for 0.1% of its portfolio. Krause believes that this investment is a "test of the waters" aimed at testing the public's reaction to Bitcoin ETFs. = In the first three months of this year, nearly 500 institutional investors allocated spot Bitcoin ETFs, the largest of which was hedge fund Millennium Management, which held $2 billion, accounting for 3% of its total assets.