Holdings in gold-backed ETFs rose 7.6 tons to 1,947.9 tons on Wednesday, the highest level since September 2013.
The reductions will save current investors about $20 million annually, the firm says.
Asias equity markets were the first to suffer through a Brexit-fueled rout.
The investment "helps with institutionalizing our firm," said Andrew Rabinowitz, Marathon Asset Management's newly appointed president.
Executives from the Alternative and Direct Investment Securities Association discuss challenges the nontraded REIT industry faces in light of the DoL's newly introduced fiduciary rule.