Nuclear fuel differs from commodities like gas or coal because it requires precision-engineered assemblies that conform to licensing requirements set by safety regulators.
While allocations appear to be above historical averages on commodities, they are not very overweight, according to strategists led by Nikolaos Panigirtzoglou.
With expectations that China will stabilise its economy and stimulate the real estate sector, iron ore demand is seen to be rising, analysts with Huatai Futures wrote in a note.
The assets, worth about $1.2 billion, include Mineracao Corumbaense, Mineracao Mato Grosso, International Iron Company and Transbarge Navegacion ventures.