Is SEI Investments Co. overvalued or undervalued?

As of 31 October 2025, the valuation grade for SEI Investments Co. has moved from attractive to fair, indicating a shift in its perceived value. The company is currently fairly valued, with a P/E ratio of 18, an EV to EBITDA of 15.05, and a PEG ratio of 0.64. In comparison to peers, Ares Capital Corp. has a lower P/E of 11.72 and EV to EBITDA of 7.05, while Franklin Resources, Inc. shows a P/E of 14.94 and EV to EBITDA of 5.52, suggesting that SEI Investments is priced higher than some of its competitors.
Despite its fair valuation, SEI Investments has underperformed against the S&P 500 in the short term, with a year-to-date return of -1.02% compared to the index's 16.30%. Over the longer term, however, the company has achieved a 3-year return of 51.27%, which is significantly lower than the S&P 500's 76.66%, indicating potential concerns about its growth relative to the broader market.