Mario Gabelli's position in Thermo Fisher Scientific is currently worth $1.69 Million. That's 0.02% of their equity portfolio (484th largest holding). The first Thermo Fisher Scientific trade was made in Q1 2001. Since then Mario Gabelli bought shares 36 more times and sold shares on 47 occasions. The stake costed the investor $773 Thousand, netting the investor a gain of 119% so far.