US-based boutique investment firm GQG Partners has raised its stake in Adani Ports & Special Economic Zone (APSEZ) to over 5 per cent as it continues to bet on billionaire Gautam Adani's group shrugging off market concerns.

The Fort Lauderdale, Florida-based GQG increased its stake in APSEZ from 4.93 per cent to 5.03 per cent by way of a bulk deal, according to stock exchange filings.