SEI Investments Company (SEIC)
NASDAQ: SEIC · Real-Time Price · USD
81.10
-0.15 (-0.18%)
At close: Dec 5, 2025, 4:00 PM EST
82.50
+1.40 (1.73%)
After-hours: Dec 5, 2025, 6:14 PM EST
SEI Investments Company Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 81.06 | 81.60 | 80.60 | 81.10 | 81.10 | -0.18% | 566,381 |
| Dec 4, 2025 | 81.13 | 82.18 | 80.86 | 81.25 | 81.25 | 0.31% | 526,122 |
| Dec 3, 2025 | 80.00 | 81.07 | 80.00 | 81.00 | 81.00 | 1.30% | 510,878 |
| Dec 2, 2025 | 80.01 | 80.73 | 79.69 | 79.96 | 79.96 | -0.03% | 435,788 |
| Dec 1, 2025 | 80.36 | 81.34 | 79.86 | 79.98 | 79.98 | -1.09% | 396,286 |
| Nov 28, 2025 | 81.32 | 81.62 | 80.60 | 80.86 | 80.86 | 0.04% | 239,986 |
| Nov 26, 2025 | 80.19 | 81.55 | 80.19 | 80.83 | 80.83 | 0.79% | 452,092 |
| Nov 25, 2025 | 79.64 | 80.57 | 79.54 | 80.20 | 80.20 | 1.08% | 435,979 |
| Nov 24, 2025 | 79.89 | 80.05 | 79.15 | 79.34 | 79.34 | -0.87% | 727,394 |
| Nov 21, 2025 | 79.10 | 80.35 | 78.64 | 80.04 | 80.04 | 1.56% | 747,916 |
| Nov 20, 2025 | 79.23 | 80.00 | 77.51 | 78.81 | 78.81 | 0.46% | 621,003 |
| Nov 19, 2025 | 78.37 | 78.71 | 77.65 | 78.45 | 78.45 | 0.23% | 605,773 |
| Nov 18, 2025 | 78.28 | 79.21 | 78.00 | 78.27 | 78.27 | -0.66% | 729,688 |
| Nov 17, 2025 | 81.19 | 81.30 | 78.31 | 78.79 | 78.79 | -3.41% | 580,375 |
| Nov 14, 2025 | 81.72 | 82.22 | 80.45 | 81.57 | 81.57 | -0.85% | 577,863 |
| Nov 13, 2025 | 83.38 | 83.57 | 82.18 | 82.27 | 82.27 | -1.71% | 599,832 |
| Nov 12, 2025 | 83.45 | 84.69 | 83.45 | 83.70 | 83.70 | 0.18% | 536,975 |
| Nov 11, 2025 | 82.87 | 84.33 | 82.82 | 83.55 | 83.55 | 0.67% | 462,174 |
| Nov 10, 2025 | 83.09 | 83.43 | 82.35 | 82.99 | 82.99 | 0.08% | 485,580 |
| Nov 7, 2025 | 82.11 | 83.21 | 81.68 | 82.92 | 82.92 | 0.89% | 503,857 |
| Nov 6, 2025 | 82.04 | 82.59 | 80.59 | 82.19 | 82.19 | -0.23% | 516,035 |
| Nov 5, 2025 | 81.41 | 82.84 | 81.30 | 82.38 | 82.38 | 0.91% | 509,755 |
| Nov 4, 2025 | 80.10 | 81.79 | 80.01 | 81.64 | 81.64 | 0.94% | 574,991 |
| Nov 3, 2025 | 80.38 | 80.92 | 79.54 | 80.88 | 80.88 | 0.33% | 558,863 |
| Oct 31, 2025 | 80.75 | 81.05 | 80.43 | 80.61 | 80.61 | -0.24% | 714,112 |
| Oct 30, 2025 | 80.54 | 81.69 | 80.54 | 80.80 | 80.80 | 0.24% | 706,695 |
| Oct 29, 2025 | 81.40 | 81.54 | 80.07 | 80.61 | 80.61 | -1.49% | 736,202 |
| Oct 28, 2025 | 83.07 | 83.07 | 81.82 | 81.83 | 81.83 | -1.49% | 471,917 |
| Oct 27, 2025 | 83.20 | 83.88 | 82.60 | 83.07 | 83.07 | 1.42% | 616,518 |
| Oct 24, 2025 | 82.15 | 82.46 | 81.25 | 81.91 | 81.91 | 0.47% | 784,740 |
| Oct 23, 2025 | 80.00 | 81.82 | 78.34 | 81.53 | 81.53 | 0.15% | 1,400,572 |
| Oct 22, 2025 | 82.25 | 82.75 | 81.41 | 81.41 | 81.41 | -1.29% | 724,641 |
| Oct 21, 2025 | 81.66 | 83.21 | 81.38 | 82.47 | 82.47 | 0.95% | 696,657 |
| Oct 20, 2025 | 81.26 | 81.90 | 80.93 | 81.69 | 81.69 | 1.11% | 609,118 |
| Oct 17, 2025 | 80.85 | 81.33 | 80.08 | 80.79 | 80.79 | 0.35% | 629,909 |
| Oct 16, 2025 | 82.84 | 83.23 | 80.43 | 80.51 | 80.51 | -2.49% | 868,626 |
| Oct 15, 2025 | 83.93 | 84.40 | 82.29 | 82.57 | 82.57 | -1.02% | 690,746 |
| Oct 14, 2025 | 81.54 | 84.02 | 81.54 | 83.42 | 83.42 | 1.09% | 788,719 |
| Oct 13, 2025 | 81.57 | 82.96 | 81.57 | 82.52 | 82.52 | 1.60% | 536,294 |
| Oct 10, 2025 | 84.30 | 84.72 | 81.10 | 81.22 | 81.22 | -3.44% | 623,561 |
| Oct 9, 2025 | 85.28 | 85.33 | 83.73 | 84.11 | 84.11 | -0.58% | 491,753 |
| Oct 8, 2025 | 84.87 | 85.37 | 83.97 | 84.60 | 84.60 | -0.17% | 730,915 |
| Oct 7, 2025 | 85.82 | 86.14 | 84.18 | 84.74 | 84.74 | -0.71% | 816,709 |
| Oct 6, 2025 | 85.77 | 85.77 | 84.32 | 85.35 | 85.35 | -0.32% | 826,426 |
| Oct 3, 2025 | 84.97 | 85.75 | 84.62 | 85.62 | 85.62 | 0.90% | 809,009 |
| Oct 2, 2025 | 84.14 | 85.24 | 83.47 | 84.86 | 84.86 | 0.94% | 823,321 |
| Oct 1, 2025 | 84.50 | 85.18 | 83.75 | 84.07 | 84.07 | -0.92% | 815,000 |
| Sep 30, 2025 | 85.42 | 85.64 | 84.23 | 84.85 | 84.85 | -0.67% | 525,762 |
| Sep 29, 2025 | 86.29 | 86.43 | 85.28 | 85.42 | 85.42 | -0.33% | 671,464 |
| Sep 26, 2025 | 85.48 | 86.01 | 85.37 | 85.70 | 85.70 | 0.71% | 508,494 |
| Sep 25, 2025 | 85.66 | 85.97 | 84.81 | 85.10 | 85.10 | -1.01% | 781,176 |
| Sep 24, 2025 | 86.49 | 87.09 | 85.72 | 85.97 | 85.97 | -0.24% | 1,366,714 |
| Sep 23, 2025 | 87.35 | 88.01 | 86.06 | 86.18 | 86.18 | -1.03% | 637,611 |
| Sep 22, 2025 | 86.41 | 87.16 | 85.57 | 87.08 | 87.08 | 0.42% | 900,777 |
| Sep 19, 2025 | 86.91 | 87.25 | 86.27 | 86.72 | 86.72 | 0.54% | 2,395,446 |
| Sep 18, 2025 | 87.16 | 87.70 | 85.97 | 86.25 | 86.25 | -0.46% | 683,353 |
| Sep 17, 2025 | 87.32 | 88.22 | 85.99 | 86.65 | 86.65 | -0.64% | 821,322 |
| Sep 16, 2025 | 86.83 | 87.80 | 86.76 | 87.21 | 87.21 | 0.70% | 766,397 |
| Sep 15, 2025 | 86.52 | 87.08 | 86.03 | 86.60 | 86.60 | 0.12% | 654,021 |
| Sep 12, 2025 | 87.67 | 87.79 | 86.40 | 86.50 | 86.50 | -1.45% | 399,451 |
| Sep 11, 2025 | 87.04 | 87.85 | 86.50 | 87.77 | 87.77 | 1.02% | 501,893 |
| Sep 10, 2025 | 86.21 | 87.74 | 86.21 | 86.88 | 86.88 | 0.27% | 562,948 |
| Sep 9, 2025 | 87.43 | 87.43 | 86.01 | 86.65 | 86.65 | -0.89% | 608,491 |
| Sep 8, 2025 | 87.22 | 87.58 | 86.76 | 87.43 | 87.43 | 0.30% | 864,034 |
| Sep 5, 2025 | 89.39 | 89.52 | 86.75 | 87.17 | 87.17 | -2.30% | 783,453 |
| Sep 4, 2025 | 88.16 | 89.39 | 88.10 | 89.22 | 89.22 | 1.71% | 826,514 |
| Sep 3, 2025 | 87.59 | 88.20 | 86.49 | 87.72 | 87.72 | -0.43% | 547,561 |
| Sep 2, 2025 | 87.29 | 88.17 | 86.66 | 88.10 | 88.10 | -0.20% | 713,534 |
| Aug 29, 2025 | 88.95 | 89.11 | 88.02 | 88.28 | 88.28 | -0.64% | 703,792 |
| Aug 28, 2025 | 90.55 | 90.55 | 88.73 | 88.85 | 88.85 | -1.84% | 519,254 |
| Aug 27, 2025 | 90.00 | 90.97 | 90.00 | 90.52 | 90.52 | 0.21% | 609,103 |
| Aug 26, 2025 | 89.63 | 90.44 | 89.09 | 90.33 | 90.33 | 0.78% | 504,992 |
| Aug 25, 2025 | 90.43 | 90.43 | 89.48 | 89.63 | 89.63 | -0.58% | 515,970 |
| Aug 22, 2025 | 88.56 | 90.61 | 88.16 | 90.15 | 90.15 | 2.28% | 451,946 |
| Aug 21, 2025 | 87.95 | 88.45 | 87.69 | 88.14 | 88.14 | -0.29% | 440,641 |
| Aug 20, 2025 | 88.21 | 88.72 | 87.56 | 88.40 | 88.40 | 0.22% | 710,303 |
| Aug 19, 2025 | 88.67 | 89.00 | 87.92 | 88.21 | 88.21 | -0.46% | 552,076 |
| Aug 18, 2025 | 87.87 | 88.71 | 87.80 | 88.62 | 88.62 | 0.49% | 676,800 |
| Aug 15, 2025 | 88.85 | 88.95 | 88.00 | 88.19 | 88.19 | -0.70% | 750,968 |
| Aug 14, 2025 | 88.30 | 89.20 | 87.93 | 88.81 | 88.81 | 0.30% | 609,025 |
| Aug 13, 2025 | 88.34 | 88.70 | 87.58 | 88.54 | 88.54 | 0.55% | 553,387 |
| Aug 12, 2025 | 87.92 | 88.19 | 87.53 | 88.06 | 88.06 | 0.71% | 568,585 |
| Aug 11, 2025 | 87.59 | 88.00 | 87.22 | 87.44 | 87.44 | -0.07% | 404,900 |
| Aug 8, 2025 | 87.35 | 88.19 | 86.98 | 87.50 | 87.50 | 0.75% | 407,458 |
| Aug 7, 2025 | 88.50 | 88.70 | 86.36 | 86.85 | 86.85 | -1.53% | 535,197 |
| Aug 6, 2025 | 88.45 | 88.45 | 87.42 | 88.20 | 88.20 | 0.44% | 577,852 |
| Aug 5, 2025 | 88.50 | 88.94 | 86.88 | 87.81 | 87.81 | -0.60% | 731,314 |
| Aug 4, 2025 | 87.13 | 88.39 | 86.94 | 88.34 | 88.34 | 2.19% | 676,431 |
| Aug 1, 2025 | 86.83 | 87.04 | 85.55 | 86.45 | 86.45 | -1.90% | 972,185 |
| Jul 31, 2025 | 88.26 | 89.12 | 87.93 | 88.12 | 88.12 | -0.51% | 944,257 |
| Jul 30, 2025 | 88.64 | 89.55 | 88.07 | 88.57 | 88.57 | 0.12% | 887,752 |
| Jul 29, 2025 | 88.75 | 89.65 | 88.40 | 88.46 | 88.46 | -0.33% | 887,666 |
| Jul 28, 2025 | 90.03 | 90.14 | 88.60 | 88.75 | 88.75 | -1.38% | 978,713 |
| Jul 25, 2025 | 89.90 | 90.60 | 89.02 | 89.99 | 89.99 | 0.22% | 1,205,442 |
| Jul 24, 2025 | 88.87 | 90.14 | 86.20 | 89.79 | 89.79 | -0.21% | 2,602,493 |
| Jul 23, 2025 | 90.58 | 90.98 | 89.61 | 89.98 | 89.98 | -0.66% | 1,493,035 |
| Jul 22, 2025 | 90.87 | 90.98 | 90.06 | 90.58 | 90.58 | -0.37% | 695,862 |
| Jul 21, 2025 | 92.84 | 93.25 | 90.85 | 90.92 | 90.92 | -2.05% | 906,561 |
| Jul 18, 2025 | 93.96 | 93.96 | 92.66 | 92.82 | 92.82 | -0.44% | 923,126 |
| Jul 17, 2025 | 92.29 | 93.51 | 92.12 | 93.23 | 93.23 | 1.02% | 778,828 |