Mario Gabelli's position in Shake Shack is currently worth $1.26 Million. That's 0.01% of their equity portfolio (531st largest holding). The first Shake Shack trade was made in Q2 2020. Since then Mario Gabelli bought shares seven more times and sold shares on seven occasions. The stake costed the investor $768 Thousand, netting the investor a gain of 65% so far.