Kotak Mahindra Bank has topped IPO (initial public offering) rankings for 2015-16, with a market share of 12 per cent. The private lender managed seven IPOs and a volume of Rs 1,589 crore. Some transactions were of InterGlobe Aviation and Coffee Day Enterprises. Meanwhile, rankings of equity capital market (ECM, which includes IPO) were topped by US-based Goldman Sachs, on the back of big-ticket share deals such as that of Sun Pharmaceutical. A total of Rs 13,647 crore has been raised by 67 IPOs in 2015-16, while ECM volume is Rs 86,714 crore. In 2014-15, Rs 3,039 crore was raised through IPOs and ECM volume stood at Rs 85,021 crore, say data compiled by Bloomberg.