Walter & Keenan Financial Consulting Company Has Raised Stake in Amgen (AMGN); Wilen Investment Management Lifted Position in Trinseo Sa (TSE) as Share Price Rose – The EN Herald
Mang. Const.
Walter & Keenan Financial Consulting Company increased its stake in Amgen Inc (AMGN) by 13.38% based on its latest 2018Q4 regulatory filing with the SEC.
Source: Mang. Const.