Investment management firm TPG on Wednesday sold a 6.66 per cent stake in healthcare services provider Aster DM Quality Care for Rs 4,451 crore through an open market transaction.

US-based TPG, through its affiliate Centella Mauritius Holdings Ltd, offloaded 5.81 crore shares, representing a 6.66 per cent stake in Hyderabad-based Aster DM Quality Care, as per the bulk deal data on the National Stock Exchange (NSE).