 Ruane Cunniff Trades, Portfolio, the firm founded by the late William Ruane, disclosed last week that its top four trades during the fourth quarter of 2020 included a new position in Netflix Inc. NASDAQ:NFLX, a boost in its Credit Acceptance Corp. NASDAQ:CACC holding and reductions in Alphabet Inc. NASDAQ:GOOGLNASDAQ:GOOG and Wayfair Inc. NYSE:W. 