---
title: "Alpine Fox Capital's Significant Investment in Bitcoin Mining Firms Revealed"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286483250.md"
description: "Alpine Fox Capital, a U.S. investment firm, has revealed significant investments in Bitcoin mining firms through its 13F filing with the SEC for Q1 2026. The firm owns 3.762 million shares in Cipher Mining (CIFR), valued at approximately $48.4 million, making it the largest part of its $154 million portfolio. Additionally, it holds 750,500 shares in IREN, valued at about $25.7 million."
datetime: "2026-05-15T00:03:53.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286483250.md)
  - [en](https://longbridge.com/en/news/286483250.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286483250.md)
---

# Alpine Fox Capital's Significant Investment in Bitcoin Mining Firms Revealed

Alpine Fox Capital, a U.S. investment firm, has disclosed its substantial holdings in Bitcoin mining companies, according to ChainCatcher. The firm's 13F filing with the U.S. Securities and Exchange Commission (SEC) for the first quarter of 2026 reveals ownership of 3.762 million shares in Cipher Mining (CIFR), valued at approximately $48.4 million. This investment represents the largest portion of its disclosed portfolio, which totals around $154 million. Additionally, Alpine Fox Capital holds 750,500 shares in another Bitcoin mining company, IREN, valued at about $25.7 million.

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