Steak ’n Shake adds $5M BTC to reserve; total at $15M, 2026 sales rise 18%

US fast-food chain Steak ’n Shake added $5 million in Bitcoin to its Strategic Bitcoin Reserve, lifting total holdings to $15 million after a $10 million increase announced on Jan. 18. The company credits Bitcoin adoption with an 18% rise in 2026 same-store sales and plans a $0.21-per-hour Bitcoin bonus for hourly employees starting March 1 with a two-year vesting period.