ICICI Bank which has a 26.8% stake in BPO firm, Firstsource Solutions is looking to divest its stake as it feels it derives little synergy from the company. Other major investors in Firstsource includes Temasek (which also has over 7% stake in ICICI), Metavante (US based banking solution firm) and Sequoia Capital/ As per Economic Times report, BPO firm WNS Holdings (owned by Warburg Pincus) may either merge or acquire Firstsource Solutions by buying out stakes held by ICICI Bank and other PE investors.