Tom Gayner acquired 590 Thousand MBIA shares worth $3.75 Million. That's 0.04% of their equity portfolio (113th largest holding). The investor owns 1.15% of the outstanding MBIA stock. Tom Gayner acquired their 590 Thousand shares in Q4 2007. So far they never sold any shares in the company. The investor's estimated purchase price is $24.2 Million, resulting in a loss of 85%.