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Sei Investments Company (SEIC)
NASDAQ:SEIC
Time Period
1Y
Events
Historical Prices
Rows:
Mar 18, 2026
78.12
78.56
77.50
77.57
77.57
-1.52%
498,055
0.70
Mar 17, 2026
79.01
80.24
78.76
78.77
78.77
+0.87%
546,279
0.77
Mar 16, 2026
80.44
81.37
77.98
78.09
78.09
-2.25%
818,359
1.16
Mar 13, 2026
79.78
81.06
79.42
79.89
79.89
+0.93%
1,091,908
1.56
Mar 12, 2026
78.24
79.76
77.57
79.15
79.15
-0.62%
1,186,574
1.71
Mar 11, 2026
79.79
80.73
78.01
79.64
79.64
-0.47%
836,590
1.21
Mar 10, 2026
81.15
82.09
78.88
80.02
80.02
-1.40%
885,722
1.29
Mar 09, 2026
80.22
81.26
78.66
81.16
81.16
-0.34%
1,160,221
1.72
Mar 06, 2026
80.30
81.49
79.12
81.44
81.44
-0.74%
1,054,458
1.58
Mar 05, 2026
81.51
83.01
81.18
82.05
82.05
+0.29%
999,698
1.51
Mar 04, 2026
82.81
83.56
81.79
81.81
81.81
-1.04%
1,173,831
1.80
Mar 03, 2026
80.41
83.40
79.75
82.67
82.67
+0.40%
1,046,494
1.63
Mar 02, 2026
80.10
82.99
79.37
82.34
82.34
+1.25%
695,302
1.08
Feb 27, 2026
82.05
82.87
80.29
81.32
81.32
-2.38%
1,003,596
1.59
Feb 26, 2026
82.22
83.60
82.08
83.30
83.30
+1.83%
657,227
1.05
Feb 25, 2026
80.95
82.13
79.74
81.80
81.80
+1.98%
570,216
0.92
Feb 24, 2026
79.36
80.95
78.61
80.21
80.21
+1.44%
594,889
0.97
Feb 23, 2026
81.39
81.39
78.80
79.07
79.07
-2.85%
666,773
1.09
Feb 20, 2026
80.57
81.74
79.71
81.39
81.39
+1.02%
574,516
0.95
Feb 19, 2026
80.48
80.75
79.28
80.57
80.57
-0.84%
693,069
1.14
Feb 18, 2026
79.15
81.35
79.08
81.25
81.25
+2.82%
570,610
0.93
Feb 17, 2026
78.89
79.58
77.53
79.02
79.02
+0.50%
717,744
1.18
Feb 16, 2026
77.45
78.77
76.27
78.63
78.63
0.00%
0
0.00
Feb 13, 2026
77.45
78.77
76.27
78.63
78.63
+1.68%
1,347,332
2.21
Feb 12, 2026
80.61
81.42
76.43
77.33
77.33
-3.55%
1,183,511
1.97
Feb 11, 2026
82.85
82.99
79.24
80.18
80.18
-6.08%
748,912
1.25
Feb 10, 2026
85.14
86.04
81.26
82.30
82.30
-3.60%
987,897
1.67
Feb 09, 2026
84.54
85.49
84.02
85.37
85.37
+1.09%
515,275
0.87
Feb 06, 2026
85.32
85.84
83.53
84.45
84.45
+0.05%
901,723
1.54
Feb 05, 2026
86.03
86.92
84.25
84.41
84.41
-1.78%
688,063
1.18
Feb 04, 2026
85.22
86.36
83.13
85.94
85.94
+2.15%
949,963
1.65
Feb 03, 2026
88.69
88.74
82.95
84.13
84.13
-5.14%
1,010,932
1.79
Feb 02, 2026
87.49
88.92
86.68
88.69
88.69
+0.96%
783,787
1.40
Jan 30, 2026
87.81
88.68
86.91
87.85
87.85
-0.22%
1,325,599
2.41
Jan 29, 2026
88.72
91.42
86.06
88.04
88.04
+2.25%
1,929,351
3.65
Jan 28, 2026
84.44
86.15
84.01
86.10
86.10
+1.72%
855,711
1.63
Jan 27, 2026
85.48
86.13
84.44
84.64
84.64
-0.82%
533,351
1.01
Jan 26, 2026
85.15
85.93
85.06
85.34
85.34
+0.16%
416,765
0.78
Jan 23, 2026
85.95
85.95
84.30
85.20
85.20
-1.16%
423,994
0.79
Jan 22, 2026
86.60
86.99
85.97
86.20
86.20
+0.27%
394,730
0.73
Jan 21, 2026
84.44
86.79
84.20
85.97
85.97
+2.69%
542,001
1.00
Jan 20, 2026
85.36
85.93
83.52
83.72
83.72
-2.66%
474,758
0.85
Jan 19, 2026
86.45
86.81
85.89
86.01
86.01
0.00%
0
0.00
Jan 16, 2026
86.45
86.81
85.89
86.01
86.01
-0.61%
357,175
0.62
Jan 15, 2026
85.75
86.88
85.70
86.54
86.54
+1.43%
575,544
1.00
Jan 14, 2026
84.65
85.67
84.47
85.32
85.32
+0.72%
560,881
0.98
Jan 13, 2026
86.18
86.18
84.09
84.71
84.71
-1.49%
505,469
0.87
Jan 12, 2026
86.00
86.56
85.38
85.99
85.99
-0.90%
522,623
0.90
Jan 09, 2026
87.27
87.94
86.64
86.77
86.77
-0.55%
430,683
0.73
Jan 08, 2026
87.16
87.76
86.48
87.25
87.25
-0.30%
575,983
0.98
Rows: