Assetmark Inc. trimmed its position in shares of Affiliated Managers Group, Inc. (NYSE:AMG – Free Report) by 3.7% during the 3rd quarter, according to its most recent 13F filing with the SEC. The fund owned 38,638 shares of the asset manager’s stock after selling 1,488 shares during the quarter. Assetmark Inc. owned about 0.11% of […]