The value of billionaire George Soros' 13F portfolio decreased over Q3. : According to a 13F filing for George Soros' hedge fund, Soros Fund Management, the firm saw its 13F portfolio value decrease from $5.62 billion to $4.2 billion over the third quarter. At the same time, the number of positions reported on the 13F increased by 24, ending Q3 with 227 total distinct positions. Along the way, Soros added Comcast (CMCSA) and increased holdings in other areas.