George Soros's position in Neurocrine Biosciences is currently worth $30.6 Million. That's 0.91% of their equity portfolio (30th largest holding). The first Neurocrine Biosciences trade was made in Q4 2010. Since then George Soros bought shares thirteen more times and sold shares on nine occasions. The stake costed the investor $28.5 Million, netting the investor a gain of 7.5% so far.