Mirum Pharmaceuticals (Nasdaq: MIRM) has a market capitalization of $5.34B. Last close $85.03 (as of 2026-10-21); 52-week range $63.23 to $130.00. ORTEX data as of 2026-10-19: short interest is 12.08% of free float, 8.1 days to cover and the average cost to borrow is 0.51%.