The highest closing price for SEI Investments (SEIC) last month was $111.46, on September 3. It was down 7.2% for the month. The latest price is $103.90.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
September 30 2026 | $103.51 | $104.38 | $102.65 | $102.66 | 598,992 |
September 29 2026 | $104.48 | $105.35 | $103.17 | $103.35 | 552,502 |
September 28 2026 | $105.75 | $105.75 | $104.09 | $104.82 | 663,113 |
September 25 2026 | $105.00 | $106.12 | $105.00 | $105.65 | 666,400 |
September 24 2026 | $104.99 | $105.50 | $103.54 | $104.78 | 923,500 |
September 23 2026 | $103.26 | $105.27 | $103.26 | $104.83 | 694,100 |
September 22 2026 | $105.58 | $105.94 | $101.47 | $103.76 | 1,695,200 |
September 21 2026 | $106.25 | $106.25 | $105.00 | $105.38 | 812,500 |
September 18 2026 | $104.85 | $106.26 | $104.21 | $105.20 | 3,544,900 |
September 17 2026 | $105.49 | $105.63 | $103.96 | $104.85 | 610,600 |
September 16 2026 | $105.72 | $106.34 | $103.22 | $104.57 | 721,800 |
September 15 2026 | $106.48 | $106.48 | $105.01 | $105.82 | 872,544 |
September 14 2026 | $107.86 | $108.05 | $105.08 | $105.51 | 811,663 |
September 11 2026 | $107.91 | $108.94 | $105.69 | $106.93 | 579,700 |
September 10 2026 | $107.19 | $107.87 | $106.32 | $106.77 | 544,000 |
September 09 2026 | $108.38 | $108.51 | $106.82 | $107.17 | 667,700 |
September 08 2026 | $110.33 | $110.75 | $108.50 | $108.60 | 859,400 |
September 04 2026 | $110.57 | $111.16 | $109.83 | $110.39 | 590,400 |
September 03 2026 | $110.00 | $111.48 | $109.75 | $111.46 | 749,900 |
September 02 2026 | $109.70 | $110.50 | $108.10 | $109.12 | 668,200 |
September 01 2026 | $110.57 | $111.15 | $109.42 | $109.54 | 649,600 |
Daily pricing data for SEI Investments dates back to 3/25/1981, and may be incomplete.