Joel Greenblatt's position in TripAdvisor is currently worth $8.54 Million. That's 0.15% of their equity portfolio (139th largest holding). The first TripAdvisor trade was made in Q4 2014. Since then Joel Greenblatt bought shares twelve more times and sold shares on eight occasions. The stake costed the investor $7.01 Million, netting the investor a gain of 22% so far.