** U.S.-listed shares of Canada's GFL Environmental GFL.N flat in extended trading after secondary offering news
** Waste management firm says BC Partners, Ontario Teachers' Pension Plan and HPS Investment Partners to offload ~16.6 mln shares
** RBC Capital Markets and Canadian division RBC Dominion are the underwriters
** GFL has ~359.1 mln shares outstanding, per LSEG data
** U.S.-listed GFL shares on Thurs closed down 0.7% at $46.20, trimming YTD gain to nearly 4%
** 15 of 18 analysts rate GFL "strong buy" or "buy", rest rate "hold"; median PT of $56.50 - LSEG
(Lance Tupper is a Reuters market analyst. The views expressed are his own)
((lance.tupper@tr.com 1-646-279-6380))