Tom Russo acquired 3.48 Thousand Marsh & McLennan Cos. shares worth $687 Thousand. That's 0.01% of their equity portfolio (60th largest holding). The first Marsh & McLennan Cos. trade was made in Q1 1999. Since then Tom Russo bought shares nine more times and sold shares on eight occasions. The stake costed the investor $109 Thousand, netting the investor a gain of 529% so far.