Jim Simons's position in White Mountains Insurance Group, Ltd. is currently worth $5.34 Million. That's 0.01% of their equity portfolio (1259th largest holding). The first White Mountains Insurance Group, Ltd. trade was made in Q2 2013. Since then Jim Simons bought shares 22 more times and sold shares on twenty occasions. The stake costed the investor $2.61 Million, netting the investor a gain of 104% so far.