High-stakes poker specialist Viktor "Isildur1" Blom was by far the biggest winner in online poker during 2015, taking home over $2.1 million from his play on PokerStars and Full Tilt. That figure might actually be a bit more, as it is rumored that Blom also won big on the Microgaming Poker Network.
Blom experienced a good year on PokerStars, where, according to HighStakesDB, he won nearly $3.5 million over 249,272 hands. This result made Blom by far was the biggest winner by site, with the second highest being "bbvisbadforme" who won $965,770 over just 7,863 hands on Full Tilt.