Mario Gabelli's position in Innovative Solutions And Support is currently worth $1.64 Million. That's 0.02% of their equity portfolio (505th largest holding). The first Innovative Solutions And Support trade was made in Q1 2008. Since then Mario Gabelli bought shares fifteen more times and sold shares on six occasions. The stake costed the investor $616 Thousand, netting the investor a gain of 167% so far.