two cathie wood funds including her flagship ark innovation etf arkk  sold stock in signify health sgfy after the 32 surge on the back of a report its the target of a bidding war between amazon amzn  cvs health cvs and unitedhealth unh  the ark innovation fund sold 31 million worth of signify and the ark genomic revolution etf sold 18 million the estimated cost average in the ark innovation fund is 2228 according to the cathies ark website against mondays close of 28