Washington: Qatar’s sovereign wealth fund, which plans to invest $35 billion (Dh128 billion) in the US in the next five years, is backing a commercial real estate investment trust run by a subsidiary of Leon Black’s Apollo Global Management LLC. The Qatar Investment Authority bought 8.82 million common shares of Apollo Commercial Real Estate Finance Inc on September 18, according to documents filed on Monday with the US. Securities and Exchange Commission. The REIT announced on September 21 that it sold these shares at $17 each for a total of $150 million, and that it raised another $198 million from the same unidentified investor through preferred stock sales.