Davis Polk & Wardwell and Sullivan & Cromwell bumped Skadden, Arps, Slate, Meagher & Flom out of the top spot in two of three separate quarterly rankings of M&A legal advisers by deal value.

Davis Polk took the lead in Bloomberg's first-quarter rankings, followed by Skadden and Sullivan & Cromwell, respectively. In Mergermarket's rankings, Sullivan & Cromwell was No. 1, followed by Davis Polk and Skadden.

Skadden, which had dominated all three rankings last year, held onto its crown in Thomson Reuters' first-quarter M&A rankings, trailed by Davis Polk and Sullivan & Cromwell, respectively.