SEI Extended Market Index A (SIIT) (SEI Extended Market Index Fd Cl) fond

The fund is managed using a passive/indexing investment approach and invests substantially all of its assets in securities (mostly common stocks) of companies that are included in the Russell Small Cap Completeness Index. The index is composed of securities of the companies included in the Russell 3000 Index (which includes the largest 3,000 U.S. companies), excluding the securities of companies that are constituents of the S&P 500 Index (which includes 500 leading U.S. companies).