Mario Gabelli's position in Thermo Fisher Scientific is currently worth $2.18 Million. That's 0.02% of their equity portfolio (455th largest holding). The first Thermo Fisher Scientific trade was made in Q1 2001. Since then Mario Gabelli bought shares 34 more times and sold shares on 45 occasions. The stake costed the investor $749 Thousand, netting the investor a gain of 191% so far.