He also owns Visa and Square. Paypal is well-positioned to grow around digital payments, and it's been a winner as transactions have leapt this year. $220 is his price target, about $40 higher than now. It's a momentum stock. He gravitates to the larger payments companies like this and Square, not the smaller players.
He owns Activision instead because it has a longer runway of growth due to its forthcoming games. It's traditionally been a toss-up between this and EA. It comes down to runway.