Houser is the seventh Nittany Lion to enter the transfer portal.
How will the Nittany Lions respond after their 23-minute scoring drought against Johns Hopkins?
Five guards have entered the transfer portal for Penn State so far.
Both Matt DiMarsico and Aiden Fink are donning No. 81 with their new teams.
Stewart is the second Nittany Lion to enter the portal on Wednesday.
Mingo was the Nittany Lions' highest-rated recruit in program history.