Jacob Bernard-Docker, Connor Brown and Nicholas Paul all advanced with Canada (3-3-1), who just squeezed through by taking fourth place in Group B.
Artem Zub and the Russian Olympic Committee (6-1-0) also advanced to the quarters by finishing first in Group A.
Sens associate coach Jack Capuano guided the U.S. (6-1-0) to first place in Group A.
In seven games, Bernard-Docker was held pointless while Paul has a goal. Brown has been exceptional for Canada, as he sits in a tie for the lead in tournament scoring with 10 points (two goals) while his eight assists are the most.
Zub has lined up five times for Russia tallying one assist.
Senators goaltending prospect Mads Sogaard also suited up for Denmark (2-3-2) on three occasions as they finished sixth in Group A.
In the quarters, that will take place Thursday, Canada will now face the ROC. The U.S. will battle Slovakia.
