Holzhauer, who won $80,615 during Thursday's game, has $1,608,627 in total winnings so far.
The professional gambler is second to Ken Jennings, who won 74 games with $2,520,700 in winnings.
Holzhauer's hot streak has catapulted Jeopardy!'s ratings. During the week ending April 21, the CBS Television Distribution show notched a 6.7 live plus same day household rating. The game show topped all of syndication among households.