Rizvi Traverse Management LLC, managed by secretive investor Suhail Rizvi, has halved its stake in Twitter Inc and increased its holding in mobile payments company Square Inc, regulatory filings showed on Friday.

When Twitter’s IPO was in the works, Suhail Rizvi quietly amassed a stake of more than 15 percent in the microblogging phenomenon for himself and his investors, Reuters reported.

Rizvi also played a role in convincing Kingdom Holding Co, Saudi Prince Alwaleed bin Talal’s investment company, to buy additional Twitter stock, Reuters reported in 2013.

READ FULL ARTICLE HERE