Mario Gabelli's position in Thermo Fisher Scientific is currently worth $2.59M. That's 0.02% of their equity portfolio (481st largest holding). The first Thermo Fisher Scientific trade was made in Q1 2001. Since then Mario Gabelli bought shares 37 more times and sold shares on 48 occasions. The stake costed the investor $1.01M, netting the investor a gain of 156% so far.