Seth Klarman acquired 100 Thousand National Fuel Gas shares worth $5.2 Million. That's 0.17% of their equity portfolio (17th largest holding). Seth Klarman started to build up the position in National Fuel Gas in Q4 2006. Since then they sold 400 Thousand shares. The stake costed the investor $3.85 Million, netting the investor a gain of 35% so far.