MARA Holdings Plans $850M Convertible Note Offering to Fuel Bitcoin Buys, Repay Debt - Bitcoin miner MARA Holdings (MARA) said it plans to raise $850 million through a private ... - https://www.coindesk.com/markets/2025/07/23/mara-holdings-plans-850m-convertible-note-offering-to-fuel-bitcoin-buys-repay-debt #marathondigitalholdings #bitcoinmining #markets #mara #debt #news