SEI Investments Company (SEIC)
NASDAQ: SEIC · Real-Time Price · USD
81.16
-0.28 (-0.34%)
At close: Mar 9, 2026, 4:00 PM EDT
81.16
0.00 (0.00%)
After-hours: Mar 9, 2026, 4:20 PM EDT
SEI Investments Company Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 9, 2026 | 80.22 | 81.26 | 78.66 | 81.17 | - | -0.33% | 929,564 |
| Mar 6, 2026 | 80.30 | 81.49 | 79.12 | 81.44 | 81.44 | -0.74% | 1,054,458 |
| Mar 5, 2026 | 81.51 | 83.01 | 81.18 | 82.05 | 82.05 | 0.29% | 999,463 |
| Mar 4, 2026 | 82.81 | 83.56 | 81.79 | 81.81 | 81.81 | -1.04% | 1,173,831 |
| Mar 3, 2026 | 80.41 | 83.40 | 79.75 | 82.67 | 82.67 | 0.40% | 1,046,494 |
| Mar 2, 2026 | 80.10 | 82.99 | 79.37 | 82.34 | 82.34 | 1.25% | 695,302 |
| Feb 27, 2026 | 82.05 | 82.87 | 80.29 | 81.32 | 81.32 | -2.38% | 1,002,886 |
| Feb 26, 2026 | 82.22 | 83.60 | 82.08 | 83.30 | 83.30 | 1.83% | 657,225 |
| Feb 25, 2026 | 80.95 | 82.13 | 79.74 | 81.80 | 81.80 | 1.98% | 570,216 |
| Feb 24, 2026 | 79.36 | 80.95 | 78.61 | 80.21 | 80.21 | 1.44% | 594,889 |
| Feb 23, 2026 | 81.39 | 81.39 | 78.80 | 79.07 | 79.07 | -2.85% | 666,773 |
| Feb 20, 2026 | 80.57 | 81.74 | 79.71 | 81.39 | 81.39 | 1.02% | 574,516 |
| Feb 19, 2026 | 80.48 | 80.75 | 79.28 | 80.57 | 80.57 | -0.84% | 693,069 |
| Feb 18, 2026 | 79.15 | 81.35 | 79.08 | 81.25 | 81.25 | 2.82% | 570,610 |
| Feb 17, 2026 | 78.89 | 79.58 | 77.53 | 79.02 | 79.02 | 0.50% | 717,744 |
| Feb 13, 2026 | 77.45 | 78.77 | 76.27 | 78.63 | 78.63 | 1.68% | 1,347,332 |
| Feb 12, 2026 | 80.61 | 81.42 | 76.43 | 77.33 | 77.33 | -3.55% | 1,183,511 |
| Feb 11, 2026 | 82.85 | 82.99 | 79.24 | 80.18 | 80.18 | -2.58% | 748,912 |
| Feb 10, 2026 | 85.14 | 86.04 | 81.26 | 82.30 | 82.30 | -3.60% | 987,897 |
| Feb 9, 2026 | 84.54 | 85.49 | 84.02 | 85.37 | 85.37 | 1.09% | 515,275 |
| Feb 6, 2026 | 85.32 | 85.84 | 83.53 | 84.45 | 84.45 | 0.05% | 901,723 |
| Feb 5, 2026 | 86.03 | 86.92 | 84.25 | 84.41 | 84.41 | -1.78% | 688,063 |
| Feb 4, 2026 | 85.22 | 86.36 | 83.13 | 85.94 | 85.94 | 2.15% | 949,963 |
| Feb 3, 2026 | 88.69 | 88.74 | 82.95 | 84.13 | 84.13 | -5.14% | 1,010,932 |
| Feb 2, 2026 | 87.49 | 88.92 | 86.68 | 88.69 | 88.69 | 0.96% | 783,787 |
| Jan 30, 2026 | 87.81 | 88.68 | 86.91 | 87.85 | 87.85 | -0.22% | 1,325,599 |
| Jan 29, 2026 | 88.72 | 91.42 | 86.06 | 88.04 | 88.04 | 2.25% | 1,929,351 |
| Jan 28, 2026 | 84.44 | 86.15 | 84.01 | 86.10 | 86.10 | 1.72% | 855,711 |
| Jan 27, 2026 | 85.48 | 86.13 | 84.44 | 84.64 | 84.64 | -0.82% | 533,351 |
| Jan 26, 2026 | 85.15 | 85.93 | 85.06 | 85.34 | 85.34 | 0.16% | 416,765 |
| Jan 23, 2026 | 85.95 | 85.95 | 84.30 | 85.20 | 85.20 | -1.16% | 424,144 |
| Jan 22, 2026 | 86.60 | 86.99 | 85.97 | 86.20 | 86.20 | 0.27% | 394,730 |
| Jan 21, 2026 | 84.44 | 86.79 | 84.20 | 85.97 | 85.97 | 2.69% | 542,001 |
| Jan 20, 2026 | 85.36 | 85.93 | 83.52 | 83.72 | 83.72 | -2.66% | 474,758 |
| Jan 16, 2026 | 86.45 | 86.81 | 85.89 | 86.01 | 86.01 | -0.61% | 357,175 |
| Jan 15, 2026 | 85.75 | 86.88 | 85.70 | 86.54 | 86.54 | 1.43% | 575,544 |
| Jan 14, 2026 | 84.65 | 85.67 | 84.47 | 85.32 | 85.32 | 0.72% | 560,881 |
| Jan 13, 2026 | 86.18 | 86.18 | 84.09 | 84.71 | 84.71 | -1.49% | 505,469 |
| Jan 12, 2026 | 86.00 | 86.56 | 85.38 | 85.99 | 85.99 | -0.90% | 522,623 |
| Jan 9, 2026 | 87.27 | 87.94 | 86.64 | 86.77 | 86.77 | -0.55% | 430,683 |
| Jan 8, 2026 | 87.16 | 87.76 | 86.48 | 87.25 | 87.25 | -0.30% | 575,983 |
| Jan 7, 2026 | 87.52 | 88.21 | 86.36 | 87.51 | 87.51 | -0.57% | 529,628 |
| Jan 6, 2026 | 86.95 | 88.25 | 85.66 | 88.01 | 88.01 | 1.22% | 620,245 |
| Jan 5, 2026 | 82.93 | 87.69 | 82.88 | 86.95 | 86.95 | 4.75% | 858,561 |
| Jan 2, 2026 | 81.79 | 83.07 | 81.63 | 83.01 | 83.01 | 1.21% | 557,310 |
| Dec 31, 2025 | 83.13 | 83.18 | 81.98 | 82.02 | 82.02 | -1.37% | 449,640 |
| Dec 30, 2025 | 83.90 | 83.97 | 82.89 | 83.16 | 83.16 | -1.11% | 481,945 |
| Dec 29, 2025 | 84.38 | 84.45 | 83.60 | 84.09 | 84.09 | -0.90% | 598,718 |
| Dec 26, 2025 | 85.35 | 85.42 | 84.58 | 84.85 | 84.33 | -0.61% | 402,315 |
| Dec 24, 2025 | 86.02 | 86.02 | 85.14 | 85.37 | 84.85 | -0.87% | 280,408 |
| Dec 23, 2025 | 85.67 | 86.98 | 85.29 | 86.12 | 85.59 | 2.10% | 801,264 |
| Dec 22, 2025 | 83.38 | 84.89 | 83.32 | 84.35 | 83.83 | 1.09% | 460,920 |
| Dec 19, 2025 | 83.31 | 83.90 | 82.65 | 83.44 | 82.93 | -0.07% | 1,540,253 |
| Dec 18, 2025 | 83.71 | 84.36 | 82.98 | 83.50 | 82.99 | 0.51% | 681,657 |
| Dec 17, 2025 | 82.68 | 83.71 | 82.34 | 83.08 | 82.57 | 0.13% | 546,949 |
| Dec 16, 2025 | 83.30 | 83.83 | 82.07 | 82.97 | 82.46 | 1.20% | 714,234 |
| Dec 15, 2025 | 82.63 | 84.07 | 81.39 | 81.99 | 81.49 | -1.22% | 678,446 |
| Dec 12, 2025 | 83.85 | 83.85 | 82.46 | 83.00 | 82.49 | -0.47% | 681,046 |
| Dec 11, 2025 | 83.29 | 84.04 | 83.19 | 83.39 | 82.88 | 0.23% | 569,038 |
| Dec 10, 2025 | 81.50 | 83.41 | 81.48 | 83.20 | 82.69 | 2.01% | 579,349 |
| Dec 9, 2025 | 80.96 | 82.16 | 80.96 | 81.56 | 81.06 | 0.82% | 512,399 |
| Dec 8, 2025 | 80.98 | 81.35 | 80.37 | 80.90 | 80.40 | -0.25% | 638,669 |
| Dec 5, 2025 | 81.06 | 81.60 | 80.60 | 81.10 | 80.60 | -0.18% | 566,384 |
| Dec 4, 2025 | 81.13 | 82.18 | 80.86 | 81.25 | 80.75 | 0.31% | 526,122 |
| Dec 3, 2025 | 80.00 | 81.07 | 80.00 | 81.00 | 80.50 | 1.30% | 511,140 |
| Dec 2, 2025 | 80.01 | 80.73 | 79.69 | 79.96 | 79.47 | -0.03% | 435,788 |
| Dec 1, 2025 | 80.36 | 81.34 | 79.86 | 79.98 | 79.49 | -1.09% | 396,286 |
| Nov 28, 2025 | 81.32 | 81.62 | 80.60 | 80.86 | 80.36 | 0.04% | 239,990 |
| Nov 26, 2025 | 80.19 | 81.55 | 80.19 | 80.83 | 80.33 | 0.79% | 452,440 |
| Nov 25, 2025 | 79.64 | 80.57 | 79.54 | 80.20 | 79.71 | 1.08% | 452,504 |
| Nov 24, 2025 | 79.89 | 80.05 | 79.15 | 79.34 | 78.85 | -0.87% | 727,394 |
| Nov 21, 2025 | 79.10 | 80.35 | 78.64 | 80.04 | 79.55 | 1.56% | 748,814 |
| Nov 20, 2025 | 79.23 | 80.00 | 77.51 | 78.81 | 78.33 | 0.46% | 621,003 |
| Nov 19, 2025 | 78.37 | 78.71 | 77.65 | 78.45 | 77.97 | 0.23% | 605,773 |
| Nov 18, 2025 | 78.28 | 79.21 | 78.00 | 78.27 | 77.79 | -0.66% | 729,688 |
| Nov 17, 2025 | 81.19 | 81.30 | 78.31 | 78.79 | 78.31 | -3.41% | 580,375 |
| Nov 14, 2025 | 81.72 | 82.22 | 80.45 | 81.57 | 81.07 | -0.85% | 577,863 |
| Nov 13, 2025 | 83.38 | 83.57 | 82.18 | 82.27 | 81.77 | -1.71% | 599,832 |
| Nov 12, 2025 | 83.45 | 84.69 | 83.45 | 83.70 | 83.19 | 0.18% | 536,975 |
| Nov 11, 2025 | 82.87 | 84.33 | 82.82 | 83.55 | 83.04 | 0.67% | 462,174 |
| Nov 10, 2025 | 83.09 | 83.43 | 82.35 | 82.99 | 82.48 | 0.08% | 485,580 |
| Nov 7, 2025 | 82.11 | 83.21 | 81.68 | 82.92 | 82.41 | 0.89% | 503,857 |
| Nov 6, 2025 | 82.04 | 82.59 | 80.59 | 82.19 | 81.69 | -0.23% | 516,035 |
| Nov 5, 2025 | 81.41 | 82.84 | 81.30 | 82.38 | 81.88 | 0.91% | 509,755 |
| Nov 4, 2025 | 80.10 | 81.79 | 80.01 | 81.64 | 81.14 | 0.94% | 574,991 |
| Nov 3, 2025 | 80.38 | 80.92 | 79.54 | 80.88 | 80.38 | 0.33% | 558,863 |
| Oct 31, 2025 | 80.75 | 81.05 | 80.43 | 80.61 | 80.12 | -0.24% | 714,112 |
| Oct 30, 2025 | 80.54 | 81.69 | 80.54 | 80.80 | 80.30 | 0.24% | 706,695 |
| Oct 29, 2025 | 81.40 | 81.54 | 80.07 | 80.61 | 80.12 | -1.49% | 736,202 |
| Oct 28, 2025 | 83.07 | 83.07 | 81.82 | 81.83 | 81.33 | -1.49% | 471,917 |
| Oct 27, 2025 | 83.20 | 83.88 | 82.60 | 83.07 | 82.56 | 1.42% | 616,518 |
| Oct 24, 2025 | 82.15 | 82.46 | 81.25 | 81.91 | 81.41 | 0.47% | 784,740 |
| Oct 23, 2025 | 80.00 | 81.82 | 78.34 | 81.53 | 81.03 | 0.15% | 1,400,572 |
| Oct 22, 2025 | 82.25 | 82.75 | 81.41 | 81.41 | 80.91 | -1.29% | 724,641 |
| Oct 21, 2025 | 81.66 | 83.21 | 81.38 | 82.47 | 81.96 | 0.95% | 696,657 |
| Oct 20, 2025 | 81.26 | 81.90 | 80.93 | 81.69 | 81.19 | 1.11% | 609,118 |
| Oct 17, 2025 | 80.85 | 81.33 | 80.08 | 80.79 | 80.29 | 0.35% | 629,909 |
| Oct 16, 2025 | 82.84 | 83.23 | 80.43 | 80.51 | 80.02 | -2.49% | 868,626 |
| Oct 15, 2025 | 83.93 | 84.40 | 82.29 | 82.57 | 82.06 | -1.02% | 690,746 |
| Oct 14, 2025 | 81.54 | 84.02 | 81.54 | 83.42 | 82.91 | 1.09% | 788,719 |