BlockBeats News, May 15th, U.S. investment firm Alpine Fox Capital submitted its 13F filing to the U.S. SEC, revealing that as of the first quarter of 2026, it held 3.762 million shares of Bitcoin mining company Cipher Mining (CIFR), valued at approximately $48.4 million, representing the largest proportion of its disclosed investment portfolio.

The total size of the fund's holdings is about $154 million. Additionally, it also held 750,500 shares of Bitcoin mining company IREN, valued at around $25.7 million. (Blockspace)