Natixis Advisors L.P. boosted its stake in T-Mobile US, Inc. (NASDAQ:TMUS – Free Report) by 1.2% during the 4th quarter, according to its most recent Form 13F filing with the Securities and Exchange Commission (SEC). The fund owned 375,604 shares of the Wireless communications provider’s stock after acquiring an additional 4,512 shares during the period. […]