Affiliated Managers Group (AMG) has bought interests in Winton Group and Partner Fund Management (PFM).
Founded in 1997, Winton is a global investment manager that uses scientific methods to develop investment systems across a broad range of products from diversified multi-asset offerings to regional long-only equities.
The firm is headquartered in London and has over 400 employees, with additional offices in Oxford, Zurich, Hong Kong, Shanghai, New York, Tokyo, Sydney, and San Francisco.
PFM manages global equity strategies, including global diversified long/short, global long, and global healthcare funds. PFM was founded in 2004 and is based in San Francisco.