decline in price, page-17

I thought they were buying to stop the management fees from bleeding into other hands. They wouldnt want their major cash cow being squezzed like a lemon year in year out falling into the hands of others. So they did the right thing and bought back stock to lift their stake.
As for investing in their own funds, you will find if you read any of the market notifications that BNB are buying bei and participating in buybacks on bcm and ebi.