Uh, no:
http://gs.statcounter.com/os-market-share/mobile/worldwide
Even if it were in 3rd place, it would be a distant third and continuing to fall behind until new devices were sold with it as the installed OS.
As for Edge:
None of this makes me happy as I've invested a lot of time and money on MS infrastructure both desktop and mobile, but that's the way it is. I'm not sure exactly what I'll do over the next year, but the real world facts don't argue for planning on continuing with mobile WIN especially as MS moves away from its own product.