As written in the title team Gridcoin leads the Amicable Numbers leaderboard.
source: https://sech.me/boinc/Amicable/top_teams.php
Team Gridcoin has by far the most members and the team RAC is more than 4 times as big as the RAC of the second team (SETI.USA).
This is a great success and shows the power that stands behind Gridcoin!
Keep crunching guys!