5 DAY PERFORMANCE
-22.39%
1 MONTH PERFORMANCE
-25.90%
3 MONTH PERFORMANCE
-9.26%
6 MONTH PERFORMANCE
+4.33%
YEAR-TO-DATE PERFORMANCE
-1.05%
1 YEAR PERFORMANCE
-6.41%
SEI Investments Co. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 09/21/2026 | $106.25 | $105.38 (-0.82%) | $106.25 | $105.00 | 812.34 K | $12.68 B |
| 09/18/2026 | $104.85 | $105.20 (0.33%) | $106.26 | $104.21 | 3.54 M | $12.66 B |
| 09/17/2026 | $105.49 | $104.85 (-0.61%) | $105.63 | $103.96 | 610.62 K | $12.62 B |
| 09/16/2026 | $105.72 | $104.57 (-1.09%) | $106.34 | $103.22 | 722.01 K | $12.58 B |
| 09/15/2026 | $106.48 | $105.82 (-0.62%) | $106.48 | $105.01 | 872.54 K | $12.73 B |
| 09/14/2026 | $107.86 | $105.51 (-2.18%) | $108.05 | $105.08 | 811.70 K | $12.70 B |
| 09/11/2026 | $107.91 | $106.93 (-0.91%) | $108.94 | $105.69 | 579.71 K | $12.87 B |
| 09/10/2026 | $107.19 | $106.77 (-0.39%) | $107.87 | $106.32 | 544.00 K | $12.85 B |
| 09/09/2026 | $108.38 | $107.17 (-1.12%) | $108.51 | $106.82 | 667.70 K | $12.90 B |
| 09/08/2026 | $110.33 | $108.60 (-1.57%) | $110.75 | $108.50 | 859.41 K | $13.07 B |
| 09/04/2026 | $110.57 | $110.39 (-0.16%) | $111.16 | $109.83 | 590.40 K | $13.28 B |
| 09/03/2026 | $110.00 | $111.46 (1.33%) | $111.48 | $109.75 | 749.90 K | $13.41 B |
| 09/02/2026 | $109.70 | $109.12 (-0.53%) | $110.50 | $108.10 | 668.26 K | $13.13 B |
| 09/01/2026 | $110.57 | $109.54 (-0.93%) | $111.15 | $109.42 | 649.66 K | $13.18 B |
| 08/31/2026 | $111.46 | $110.98 (-0.43%) | $111.63 | $110.46 | 722.80 K | $13.36 B |
| 08/28/2026 | $111.68 | $111.63 (-0.04%) | $112.15 | $111.18 | 660.73 K | $13.43 B |
| 08/27/2026 | $110.27 | $111.30 (0.93%) | $111.43 | $109.89 | 710.11 K | $13.39 B |
| 08/26/2026 | $110.98 | $110.78 (-0.18%) | $111.43 | $110.34 | 609.97 K | $13.33 B |
| 08/25/2026 | $110.43 | $110.98 (0.5%) | $111.50 | $109.90 | 646.30 K | $13.36 B |
| 08/24/2026 | $109.75 | $110.75 (0.91%) | $111.90 | $109.62 | 866.72 K | $13.33 B |
| 08/21/2026 | $108.26 | $109.53 (1.17%) | $109.75 | $108.19 | 801.20 K | $13.18 B |
| 08/20/2026 | $107.75 | $107.60 (-0.14%) | $109.11 | $107.43 | 600.80 K | $12.95 B |
| 08/19/2026 | $106.76 | $107.36 (0.56%) | $108.04 | $106.76 | 646.80 K | $12.92 B |
| 08/18/2026 | $106.25 | $106.92 (0.63%) | $107.46 | $105.53 | 489.70 K | $12.87 B |
| 08/17/2026 | $105.96 | $105.47 (-0.46%) | $106.93 | $105.29 | 484.71 K | $12.69 B |
| 08/14/2026 | $106.52 | $106.38 (-0.13%) | $106.91 | $105.96 | 362.20 K | $12.80 B |
| 08/13/2026 | $106.00 | $106.39 (0.37%) | $106.86 | $104.76 | 486.60 K | $12.80 B |
| 08/12/2026 | $104.17 | $105.54 (1.32%) | $105.65 | $103.96 | 509.80 K | $12.70 B |
| 08/11/2026 | $104.77 | $104.63 (-0.13%) | $105.95 | $104.16 | 497.70 K | $12.59 B |
| 08/10/2026 | $104.70 | $104.72 (0.02%) | $106.00 | $104.27 | 457.94 K | $12.60 B |
| 08/07/2026 | $104.50 | $104.70 (0.19%) | $104.98 | $103.64 | 472.63 K | $12.60 B |
| 08/06/2026 | $105.50 | $104.69 (-0.77%) | $107.00 | $104.06 | 583.50 K | $12.60 B |
| 08/05/2026 | $105.50 | $104.76 (-0.7%) | $106.00 | $104.45 | 592.00 K | $12.61 B |
| 08/04/2026 | $104.33 | $104.72 (0.37%) | $105.53 | $104.26 | 725.60 K | $12.60 B |
| 08/03/2026 | $103.47 | $104.19 (0.7%) | $104.38 | $102.59 | 602.90 K | $12.54 B |
| 07/31/2026 | $102.19 | $102.98 (0.77%) | $103.35 | $101.11 | 824.24 K | $12.39 B |
| 07/30/2026 | $102.54 | $103.04 (0.49%) | $103.11 | $101.10 | 510.85 K | $12.40 B |
| 07/29/2026 | $102.81 | $102.88 (0.07%) | $104.47 | $102.23 | 654.25 K | $12.38 B |
| 07/28/2026 | $102.05 | $103.14 (1.07%) | $103.75 | $100.45 | 871.10 K | $12.41 B |
| 07/27/2026 | $99.22 | $101.52 (2.32%) | $101.76 | $99.16 | 795.20 K | $12.22 B |
| 07/24/2026 | $96.45 | $99.22 (2.87%) | $99.87 | $96.45 | 968.64 K | $11.94 B |
| 07/23/2026 | $102.29 | $96.73 (-5.44%) | $102.29 | $95.40 | 1.37 M | $11.64 B |
| 07/22/2026 | $97.65 | $98.75 (1.13%) | $98.88 | $97.13 | 815.55 K | $11.88 B |
| 07/21/2026 | $99.37 | $97.65 (-1.73%) | $99.60 | $97.35 | 866.85 K | $11.75 B |
| 07/20/2026 | $99.29 | $99.37 (0.08%) | $99.61 | $98.23 | 834.72 K | $11.96 B |
| 07/17/2026 | $99.93 | $99.25 (-0.68%) | $100.79 | $98.61 | 866.93 K | $12.07 B |
| 07/16/2026 | $97.73 | $100.26 (2.59%) | $100.28 | $97.73 | 1.54 M | $12.20 B |
| 07/15/2026 | $95.37 | $98.17 (2.94%) | $98.58 | $95.37 | 956.03 K | $11.94 B |
| 07/14/2026 | $95.40 | $94.89 (-0.53%) | $96.77 | $94.73 | 781.20 K | $11.54 B |
| 07/13/2026 | $96.14 | $96.18 (0.04%) | $96.73 | $95.29 | 499.40 K | $11.70 B |
| 07/10/2026 | $95.80 | $95.45 (-0.37%) | $96.41 | $94.70 | 600.30 K | $11.61 B |
| 07/09/2026 | $94.48 | $94.73 (0.26%) | $96.60 | $92.47 | 728.74 K | $11.52 B |
| 07/08/2026 | $95.32 | $94.51 (-0.85%) | $95.90 | $93.62 | 709.32 K | $11.50 B |
| 07/07/2026 | $95.66 | $95.94 (0.29%) | $96.19 | $94.90 | 633.16 K | $11.67 B |
| 07/06/2026 | $91.20 | $94.99 (4.16%) | $95.61 | $91.20 | 691.32 K | $11.56 B |
| 07/02/2026 | $90.57 | $91.43 (0.95%) | $92.00 | $90.50 | 730.75 K | $11.12 B |
| 07/01/2026 | $87.71 | $90.05 (2.67%) | $91.06 | $87.66 | 577.60 K | $10.96 B |
| 06/30/2026 | $86.59 | $87.71 (1.29%) | $88.12 | $86.11 | 564.90 K | $10.67 B |
| 06/29/2026 | $87.43 | $86.49 (-1.08%) | $88.44 | $85.94 | 617.70 K | $10.52 B |
| 06/26/2026 | $88.07 | $87.25 (-0.93%) | $88.45 | $86.39 | 1.21 M | $10.61 B |
| 06/25/2026 | $89.41 | $87.93 (-1.66%) | $90.97 | $87.82 | 554.30 K | $10.70 B |
| 06/24/2026 | $90.69 | $88.89 (-1.98%) | $90.69 | $88.57 | 528.00 K | $10.81 B |
| 06/23/2026 | $90.93 | $90.21 (-0.79%) | $91.50 | $89.72 | 578.33 K | $10.97 B |
| 06/22/2026 | $89.91 | $90.51 (0.67%) | $90.79 | $89.01 | 512.24 K | $11.01 B |