** Shares of crypto miner MARA Holdings MARA.O up 12.5% at $9.51 premarket
** Co enters strategic partnership with Starwood Capital and Starwood Digital Ventures (SDV) to upgrade select sites into modern data centers
** Venture to jointly develop, finance and operate projects across MARA's portfolio; SDV to lead design, development, tenant sourcing, construction and operations
** Partnership expected to deliver ~1 GW of near‑term IT capacity
** MARA also reported wider Q4 net loss of $4.52 per share, compared with a loss of $1.24 per share a year ago, on falling bitcoin prices
** As of last close, MARA down 5.9%, YTD; it fell 46.4% in 2025
(Reporting by Tharuniyaa Lakshmi in Bengaluru)
((tharuniyaa@thomsonreuters.com))