5 DAY PERFORMANCE
+1.37%
1 MONTH PERFORMANCE
-7.32%
3 MONTH PERFORMANCE
+1.61%
6 MONTH PERFORMANCE
-9.64%
YEAR-TO-DATE PERFORMANCE
-2.82%
1 YEAR PERFORMANCE
-3.78%
SEI Investments Co. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 02/19/2026 | $80.48 | $79.68 (-0.99%) | $80.58 | $79.53 | 116.44 K | |
| 02/18/2026 | $79.15 | $81.25 (2.65%) | $81.35 | $79.08 | 570.61 K | $9.93 B |
| 02/17/2026 | $78.89 | $79.02 (0.16%) | $79.58 | $77.53 | 717.74 K | $9.66 B |
| 02/13/2026 | $77.45 | $78.63 (1.52%) | $78.77 | $76.27 | 1.35 M | $9.61 B |
| 02/12/2026 | $80.61 | $77.33 (-4.07%) | $81.42 | $76.43 | 1.18 M | $9.45 B |
| 02/11/2026 | $82.85 | $80.18 (-3.22%) | $82.99 | $79.24 | 748.91 K | $9.80 B |
| 02/10/2026 | $85.14 | $82.30 (-3.34%) | $86.04 | $81.26 | 987.90 K | $10.06 B |
| 02/09/2026 | $84.54 | $85.37 (0.98%) | $85.49 | $84.02 | 515.30 K | $10.43 B |
| 02/06/2026 | $85.32 | $84.45 (-1.02%) | $85.84 | $83.53 | 901.72 K | $10.32 B |
| 02/05/2026 | $86.03 | $84.41 (-1.88%) | $86.92 | $84.25 | 688.10 K | $10.31 B |
| 02/04/2026 | $85.22 | $85.94 (0.84%) | $86.36 | $83.13 | 950.00 K | $10.50 B |
| 02/03/2026 | $88.69 | $84.13 (-5.14%) | $88.74 | $82.95 | 1.01 M | $10.28 B |
| 02/02/2026 | $87.49 | $88.69 (1.37%) | $88.92 | $86.68 | 783.80 K | $10.84 B |
| 01/30/2026 | $87.81 | $87.85 (0.05%) | $88.68 | $86.91 | 1.33 M | $10.74 B |
| 01/29/2026 | $88.72 | $88.04 (-0.77%) | $91.42 | $86.06 | 1.93 M | $10.76 B |
| 01/28/2026 | $84.44 | $86.10 (1.97%) | $86.15 | $84.01 | 855.71 K | $10.52 B |
| 01/27/2026 | $85.48 | $84.64 (-0.98%) | $86.13 | $84.44 | 533.35 K | $10.34 B |
| 01/26/2026 | $85.15 | $85.34 (0.22%) | $85.93 | $85.06 | 416.80 K | $10.43 B |
| 01/23/2026 | $85.95 | $85.20 (-0.87%) | $85.95 | $84.30 | 424.14 K | $10.49 B |
| 01/22/2026 | $86.60 | $86.20 (-0.46%) | $86.99 | $85.97 | 394.73 K | $10.61 B |
| 01/21/2026 | $84.44 | $85.97 (1.81%) | $86.79 | $84.20 | 542.00 K | $10.58 B |
| 01/20/2026 | $85.36 | $83.72 (-1.92%) | $85.93 | $83.52 | 474.80 K | $10.31 B |
| 01/16/2026 | $86.45 | $86.01 (-0.51%) | $86.81 | $85.89 | 357.20 K | $10.59 B |
| 01/15/2026 | $85.75 | $86.54 (0.92%) | $86.88 | $85.70 | 575.54 K | $10.65 B |
| 01/14/2026 | $84.65 | $85.32 (0.79%) | $85.67 | $84.47 | 560.90 K | $10.50 B |
| 01/13/2026 | $86.18 | $84.71 (-1.71%) | $86.18 | $84.09 | 505.50 K | $10.43 B |
| 01/12/2026 | $86.00 | $85.99 (-0.01%) | $86.56 | $85.38 | 522.62 K | $10.59 B |
| 01/09/2026 | $87.27 | $86.77 (-0.57%) | $87.94 | $86.64 | 430.70 K | $10.68 B |
| 01/08/2026 | $87.16 | $87.25 (0.1%) | $87.76 | $86.48 | 576.00 K | $10.74 B |
| 01/07/2026 | $87.52 | $87.51 (-0.01%) | $88.21 | $86.36 | 529.63 K | $10.77 B |
| 01/06/2026 | $86.95 | $88.01 (1.22%) | $88.25 | $85.66 | 620.25 K | $10.83 B |
| 01/05/2026 | $82.93 | $86.95 (4.85%) | $87.69 | $82.88 | 858.60 K | $10.70 B |
| 01/02/2026 | $81.79 | $83.01 (1.49%) | $83.07 | $81.63 | 557.31 K | $10.22 B |
| 12/31/2025 | $83.13 | $82.02 (-1.34%) | $83.18 | $81.98 | 449.64 K | $10.10 B |
| 12/30/2025 | $83.90 | $83.16 (-0.88%) | $83.97 | $82.89 | 481.95 K | $10.24 B |
| 12/29/2025 | $84.38 | $84.09 (-0.34%) | $84.45 | $83.60 | 598.72 K | $10.35 B |
| 12/26/2025 | $85.35 | $84.85 (-0.59%) | $85.42 | $84.58 | 402.32 K | $10.44 B |
| 12/24/2025 | $86.02 | $85.37 (-0.76%) | $86.02 | $85.14 | 280.41 K | $10.51 B |
| 12/23/2025 | $85.67 | $86.12 (0.53%) | $86.98 | $85.29 | 801.30 K | $10.60 B |
| 12/22/2025 | $83.38 | $84.35 (1.16%) | $84.89 | $83.32 | 460.92 K | $10.38 B |
| 12/19/2025 | $83.31 | $83.44 (0.16%) | $83.90 | $82.65 | 1.54 M | $10.27 B |
| 12/18/2025 | $83.71 | $83.50 (-0.25%) | $84.36 | $82.98 | 681.66 K | $10.28 B |
| 12/17/2025 | $82.68 | $83.08 (0.48%) | $83.71 | $82.34 | 546.95 K | $10.23 B |
| 12/16/2025 | $83.30 | $82.97 (-0.4%) | $83.83 | $82.07 | 714.23 K | $10.21 B |
| 12/15/2025 | $82.63 | $81.99 (-0.77%) | $84.07 | $81.39 | 678.45 K | $10.09 B |
| 12/12/2025 | $83.85 | $83.00 (-1.01%) | $83.85 | $82.46 | 681.05 K | $10.22 B |
| 12/11/2025 | $83.29 | $83.39 (0.12%) | $84.04 | $83.19 | 569.04 K | $10.27 B |
| 12/10/2025 | $81.50 | $83.20 (2.09%) | $83.41 | $81.48 | 579.35 K | $10.24 B |
| 12/09/2025 | $80.96 | $81.56 (0.74%) | $82.16 | $80.96 | 512.40 K | $10.04 B |
| 12/08/2025 | $80.98 | $80.90 (-0.1%) | $81.35 | $80.37 | 638.70 K | $9.96 B |
| 12/05/2025 | $81.06 | $81.10 (0.05%) | $81.60 | $80.60 | 566.40 K | $9.98 B |
| 12/04/2025 | $81.13 | $81.25 (0.15%) | $82.18 | $80.86 | 526.12 K | $10.00 B |
| 12/03/2025 | $80.00 | $81.00 (1.25%) | $81.07 | $80.00 | 511.14 K | $9.97 B |
| 12/02/2025 | $80.01 | $79.96 (-0.06%) | $80.72 | $79.69 | 435.80 K | $9.84 B |
| 12/01/2025 | $80.36 | $79.98 (-0.47%) | $81.34 | $79.86 | 396.30 K | $9.85 B |
| 11/28/2025 | $81.32 | $80.86 (-0.57%) | $81.62 | $80.60 | 240.00 K | $9.95 B |
| 11/26/2025 | $80.19 | $80.83 (0.8%) | $81.55 | $80.19 | 452.44 K | $9.95 B |
| 11/25/2025 | $79.64 | $80.20 (0.7%) | $80.57 | $79.54 | 452.50 K | $9.87 B |
| 11/24/2025 | $79.89 | $79.34 (-0.69%) | $80.05 | $79.15 | 727.40 K | $9.77 B |
| 11/21/2025 | $79.10 | $80.04 (1.19%) | $80.35 | $78.64 | 748.81 K | $9.85 B |
| 11/20/2025 | $79.23 | $78.81 (-0.53%) | $80.00 | $77.51 | 621.00 K | $9.70 B |
| 11/19/2025 | $78.37 | $78.45 (0.1%) | $78.71 | $77.65 | 605.80 K | $9.66 B |
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