Mario Gabelli acquired 28.3 Thousand Roper Technologies shares worth $15.9 Million. That's 0.16% of their equity portfolio (156th largest holding). The first Roper Technologies trade was made in Q1 2001. Since then Mario Gabelli bought shares 22 more times and sold shares on 58 occasions. The stake costed the investor $1.6 Million, netting the investor a gain of 894% so far.