Sirius XM Holdings Inc.¬†reported FY21 revenue growth¬†of 8 percent year-on-year to $8.7 billion. Sirius reported fourth-quarter FY21 revenue growth of 4 percent Y/Y to $2.28 billion above the consensus of $2.25 billion. CEO Jennifer Witz said, “2021 was an outstanding year across the board. We added more than one million net new SiriusXM self-pay subscribers…