Barry Rosenstein's JANA Partners posted a 1.8% return in the month of August, bringing the year-to-date gain up to +5.9%. The fund invests in both equity and credit positions using a long/short strategy, according to a letter to investors reviewed by ValueWalk. Over the same period, JANA's Nirvana Fund was up 2.8%, head-to-head with the 9.2% return on S&P 500 index for the month. The Nirvana fund maintains higher gross exposure and was closed to new capital in the second quarter.

