Investor users ranked by total bounty spending on bounties.
This may vary from the value listed in users' profiles because this includes (all?) bounties on deleted posts, which are not included in profiles.
Q&A about the site for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
-- Users by rep spent on bounties
SELECT TOP 100
SUM(BountyAmount) as TotalBountyAmount, UserId as [User Link]
GROUP BY UserId