Jim Simons's position in AMBAC Financial Group is currently worth $2.62 Million. That's 0.00% of their equity portfolio (1684th largest holding). The first AMBAC Financial Group trade was made in Q1 2014. Since then Jim Simons bought shares sixteen more times and sold shares on twenty occasions. The investor's estimated purchase price is $2.72 Million, resulting in a loss of 3.7%.