Mario Gabelli's position in U.S. Physical Therapy is currently worth $9.56 Million. That's 0.10% of their equity portfolio (220th largest holding). Mario Gabelli acquired their 92.3 Thousand shares in Q4 2008. So far they never sold any shares in the company. The stake costed the investor $1.16 Million, netting the investor a gain of 724% so far.