Warburg Pincus has effectively completed marketing efforts for its newest vehicle and anticipates having a final close on the fund soon, said a person familiar with the endeavor. The New York-based firm began marketing the fund, Warburg Pincus Private Equity Fund X LP, in May 2007, with a $12 billion target. After two interim closings, the partnership has reined in about $15 billion, LBO Wire reported. www.warburgpincus.com