Bengaluru: Wealthtech platform Groww accounted for 43.6% of new SIP (systematic investment plan) registrations for mutual funds in the July-September quarter, the company told ET.Direct mutual fund assets held through Groww rose 45.9% year-on-year (YoY) to Rs 2.06 lakh crore as of end September, and 7.8% from about Rs 1.9 lakh crore in June, a Groww spokesperson said. The company is building its mutual fund business alongside a broader push into