(WineSpectator) - Napa's Duckhorn Wine Company announced this morning that it is purchasing Sonoma Pinot Noir powerhouse Kosta Browne Winery. Duckhorn will replace Kosta Browne's current stakeholders, the investment fund J.W. Childs, as the sole owner. The deal includes Kosta Browne's winery and tasting room in Sebastopol, as well as 80 acres of owned vineyards and leases on 90 additional acres, as well as all inventory. Scott Becker, Kosta Browne's CEO and president, and winemaker Nico Cueva will remain at the company. The sale price was not disclosed.