Ken Griffin's $26 billion Citadel also had a strong month with its Kensington and Wellington funds ending up nearly 1 percent to extend year to date gains to 13.10 percent, a person familiar with the numbers said.
Meanwhile, Cooper Creek Partners gained 2.70 percent in August and is now up 8.50 percent while Newbrook Capital Partners lost 1.4 percent in August and is up 8.3 percent.