https://www.vice.com/en_us/article/qjb8xv/hedge-fund-ceo-who-bailed-out-gamestop-short-seller-bought-the-constitution > Thursday night's failed auction for a rare physical copy of the U.S. Constitution left crypto Twitter in disarray after ConstitutionDAO lost to an initially mysterious buyer for $43.2 million, the highest amount that any document has ever sold for at auction.  > Well, we now know who that buyer is: Kenneth Griffin, the hedge fund billionaire and founder of Citadel, the very same firm that found itself in the crosshairs of internet theories following Robinhood's temporary halt on memestocks like GameStop just as the crowd of retail investors was causing major pain to institutional investors who shorted the stock. Citadel helped to bail out one such short seller. Robinhood, which offers fee-free investing to users, also sells retail traders' order flow to Citadel Securities, a separately-run sister entity to Citadel.