The top investors in TeX.SE result seems to be inaccurate. My current display name with non-Latin and the total of my offered bounties have not been updated.
We can see the last data update in the front page:
Once in a while, the data is updated. There are also backups in the XML format available for download in the ClearBits. I always download the updates and keep a "mirror" of our site in a BitBucket repository: