PY actively invests in equity securities in the S&P 500 Index that have higher degrees of shareholder yield. The fund manager uses a proprietary quantitative model to identify and select companies for inclusion. PGI uses internal and external resources to develop and refine its investment themes, and to identify and take advantage of trends that may impact the fund and its holdings. The fund is rebalanced annually, but may make any adjustments at its discretion. Prior to June 17, 2022, the fund tracked the NASDAQ U.S. Shareholder Yield Index. Prior to Sep. 30, 2020, the fund name was Principal Shareholder Yield Index ETF.