Marathon Digital Holdings, one of the largest Bitcoin mining companies in the US, made headlines with its announcement of a $2 billion stock offering to increase its Bitcoin holdings. 

This strategic move, detailed in recent SEC filings, shows Marathon’s aggressive approach to capitalize on the growing crypto market. 

Marathon’s $2 Billion Stock Offering: Key Details

On March 30, 2025, Marathon Digital Holdings announced a $2 billion at-the-market (ATM) stock offering to fund its strategy of acquiring more Bitcoin. The company filed a Form 8-K with the SEC, outlining its plan to raise capital through the sale of shares, with the proceeds primarily aimed at increasing its Bitcoin holdings. 

According to the SEC filing (Form 424B5), Marathon intends to use the funds for “general corporate purposes,” which include purchasing additional Bitcoin and supporting operational needs.

Marathon holds 46,376 BTC, making it the second-largest publicly traded company in Bitcoin ownership, behind MicroStrategy. The company’s Bitcoin holdings have grown significantly in recent years, from 13,726 BTC in early 2024 to the current figure. 

“We believe we are the second largest holder of bitcoin among publicly traded companies. From time to time, we enter into forward or option contracts and/or lend bitcoin to increase yield on our Bitcoin holdings.” Marathon confirmed

This $2 billion stock offering continues Marathon’s strategy to bolster its balance sheet with Bitcoin, a move that aligns with its long-term vision of leveraging cryptocurrency as a store of value.

Marathon’s strategy mirrors that of MicroStrategy. MicroStrategy’s stock price has soared with Bitcoin’s value, providing a blueprint for companies like Marathon to follow. By increasing its Bitcoin holdings, Marathon aims to position itself as a leader in the crypto mining sector while diversifying its revenue streams beyond traditional mining operations.

Marathon Digital CEO Fred Thiel advises investing small amounts in Bitcoin monthly, citing its consistent long-term growth potential.

The issuance of new shares to raise $2 billion could dilute the ownership of existing shareholders, potentially impacting the company’s stock price (MARA). As of March 31, 2025, MARA stock has experienced volatility, trading at around $12.47 per share, down from a 52-week high of $24, according to data from Yahoo Finance.

Moreover, Marathon’s heavy reliance on Bitcoin exposes it to the cryptocurrency’s price fluctuations. If Bitcoin’s price were to decline significantly, the value of Marathon’s holdings would decrease, potentially straining its financial position.