GBDC key data
Golub Capital BDC (Nasdaq: GBDC) has a market capitalization of $3.12B. Last close $12.00 (as of 2026-10-21); 52-week range $11.77 to $14.41. ORTEX data as of 2026-10-19: short interest is 4.85% of free float, 8.1 days to cover and the average cost to borrow is 4.12%.