Rubicon Research Ltd. The IPO is a book build issue of ₹1,377.50 crores. The issue is a combination of fresh issue of 1.03 crore shares aggregating to ₹500.00 crores and offer for sale of 1.81 crore shares aggregating to ₹877.50 crores. Rubicon Research IPO opens for subscription on Oct 9, 2025 and closes on Oct 13, 2025. The allotment for the Rubicon Research IPO is expected to be finalized on Oct 14, 2025. Rubicon Research IPO will list on BSE, NSE with a tentative listing date fixed as Oct 16, 2025.