Is SEI Investments Co. overvalued or undervalued?

As of 14 November 2025, the valuation grade for SEI Investments Co. has moved from expensive to fair, indicating a shift in perception regarding its market value. The company appears fairly valued based on its current metrics, with a P/E ratio of 18, a PEG ratio of 0.64, and an EV to EBITDA ratio of 15.05. In comparison to its peers, Franklin Resources, Inc. has a lower P/E of 14.94 and a significantly lower EV to EBITDA of 5.52, while Morningstar, Inc. is considered very expensive with a P/E of 33.14.
Despite the fair valuation, SEI Investments Co. has underperformed relative to the S&P 500 over the past year, with a return of 0.06% compared to the index's 13.19%. This trend continues in shorter time frames, as the company has shown negative returns over the past week and month, while its three-year and five-year returns of 35.63% and 47.99% respectively indicate some longer-term growth potential.