SEI Investments Company Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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%	692,868
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%	1,346,802
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%	949,919
Feb 3, 2026	88.69	88.74	82.95	84.13	84.13	-5.14%	1,010,814
Feb 2, 2026	87.49	88.92	86.68	88.69	88.69	0.96%	783,736
Jan 30, 2026	87.81	88.68	86.91	87.85	87.85	-0.22%	1,325,590
Jan 29, 2026	88.72	91.42	86.06	88.04	88.04	2.25%	1,928,313
Jan 28, 2026	84.44	86.15	84.01	86.10	86.10	1.72%	852,059
Jan 27, 2026	85.48	86.13	84.44	84.64	84.64	-0.82%	533,032
Jan 26, 2026	85.15	85.93	85.06	85.34	85.34	0.16%	416,633
Jan 23, 2026	85.95	85.95	84.30	85.20	85.20	-1.16%	423,135
Jan 22, 2026	86.60	86.99	85.97	86.20	86.20	0.27%	394,728
Jan 21, 2026	84.44	86.79	84.20	85.97	85.97	2.69%	541,719
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%	575,387
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%	505,366
Jan 12, 2026	86.00	86.56	85.38	85.99	85.99	-0.90%	522,129
Jan 9, 2026	87.27	87.94	86.64	86.77	86.77	-0.55%	430,678
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%	529,613
Jan 6, 2026	86.95	88.25	85.66	88.01	88.01	1.22%	620,161
Jan 5, 2026	82.93	87.69	82.88	86.95	86.95	4.75%	858,559
Jan 2, 2026	81.79	83.07	81.63	83.01	83.01	1.21%	557,134
Dec 31, 2025	83.13	83.18	81.98	82.02	82.02	-1.37%	449,637
Dec 30, 2025	83.90	83.97	82.89	83.16	83.16	-1.11%	481,935
Dec 29, 2025	84.38	84.45	83.60	84.09	84.09	-0.90%	598,518
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