** Shares of Clearwater Analytics CWAN.N up 2.9% at $22.40 premarket after a Reuters report activist investor Starboard Value has taken a nearly 5% stake in co
** Starboard urges co to boost share price and consider robust sales process with independent advisers; sees business as significantly undervalued amid acquisition integration concerns
** Co bought Enfusion, Bistro and Beacon earlier this year, sparking integration worries
** Private equity firms have expressed interest in possibly buying the Idaho-based investment accounting software provider
** As of last close, stock down 20.9% YTD
(Reporting by Tharuniyaa Lakshmi in Bengaluru)
((tharuniyaa@thomsonreuters.com))