Billionaire Gautam Adani's entity, Holderind Investments, sold 2.76% stake in Ambuja Cements for Rs 4,251 crore through an open market transaction. GQG Partners purchased shares worth '1,679 crore, increasing its stake from 1.35% to 2.04%. SBI Life Insurance and NPS Trust were among other buyers. Adani Group plans to raise '30,000 crore by selling shares in listed firms to rebalance its $126 billion portfolio.