Mario Gabelli's position in SPDR Series Trust - SPDR S&P Regional Banking ETF is currently worth $2.3 Million. That's 0.02% of their equity portfolio (456th largest holding). The investor owns 4.10% of the outstanding SPDR Series Trust - SPDR S&P Regional Banking ETF stock. The first SPDR Series Trust - SPDR S&P Regional Banking ETF trade was made in Q4 2012. Since then Mario Gabelli bought shares seven more times and sold shares on ten occasions. The stake costed the investor $2.14 Million, netting the investor a gain of 7.9% so far.