SEI Investments Company Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 18, 2026	104.85	105.19	104.21	105.08	-	0.22%	211,844
Sep 17, 2026	105.49	105.63	103.96	104.85	104.85	0.27%	602,101
Sep 16, 2026	105.72	106.34	103.22	104.57	104.57	-1.18%	721,787
Sep 15, 2026	106.48	106.48	105.01	105.82	105.82	0.29%	872,241
Sep 14, 2026	107.86	108.05	105.08	105.51	105.51	-1.33%	811,660
Sep 11, 2026	107.91	108.94	105.69	106.93	106.93	0.15%	579,707
Sep 10, 2026	107.19	107.87	106.32	106.77	106.77	-0.37%	544,000
Sep 9, 2026	108.38	108.51	106.82	107.17	107.17	-1.32%	667,684
Sep 8, 2026	110.33	110.75	108.50	108.60	108.60	-1.62%	859,413
Sep 4, 2026	110.57	111.16	109.83	110.39	110.39	-0.96%	590,385
Sep 3, 2026	110.00	111.48	109.75	111.46	111.46	2.14%	749,884
Sep 2, 2026	109.70	110.50	108.10	109.12	109.12	-0.38%	668,256
Sep 1, 2026	110.57	111.15	109.42	109.54	109.54	-1.30%	649,660
Aug 31, 2026	111.46	111.63	110.46	110.98	110.98	-0.58%	722,790
Aug 28, 2026	111.68	112.15	111.18	111.63	111.63	0.30%	660,726
Aug 27, 2026	110.27	111.43	109.89	111.30	111.30	0.47%	710,107
Aug 26, 2026	110.98	111.43	110.34	110.78	110.78	-0.18%	609,965
Aug 25, 2026	110.43	111.50	109.90	110.98	110.98	0.21%	646,263
Aug 24, 2026	109.75	111.90	109.62	110.75	110.75	1.11%	866,715
Aug 21, 2026	108.26	109.75	108.19	109.53	109.53	1.79%	801,151
Aug 20, 2026	107.75	109.11	107.43	107.60	107.60	0.22%	600,772
Aug 19, 2026	106.76	108.04	106.76	107.36	107.36	0.41%	646,770
Aug 18, 2026	106.25	107.46	105.53	106.92	106.92	1.37%	489,680
Aug 17, 2026	105.96	106.93	105.29	105.47	105.47	-0.86%	484,713
Aug 14, 2026	106.52	106.91	105.96	106.38	106.38	-	362,155
Aug 13, 2026	106.00	106.86	104.76	106.39	106.39	0.80%	486,562
Aug 12, 2026	104.17	105.65	103.96	105.54	105.54	0.87%	509,755
Aug 11, 2026	104.77	105.95	104.16	104.63	104.63	-0.09%	497,691
Aug 10, 2026	104.70	106.00	104.27	104.72	104.72	0.02%	457,936
Aug 7, 2026	104.50	104.98	103.64	104.70	104.70	0.01%	472,629
Aug 6, 2026	105.50	107.00	104.06	104.69	104.69	-0.07%	583,497
Aug 5, 2026	105.50	106.00	104.45	104.76	104.76	0.04%	591,997
Aug 4, 2026	104.33	105.53	104.26	104.72	104.72	0.51%	725,582
Aug 3, 2026	103.47	104.38	102.59	104.19	104.19	1.17%	602,894
Jul 31, 2026	102.19	103.35	101.11	102.98	102.98	-0.06%	824,240
Jul 30, 2026	102.54	103.11	101.10	103.04	103.04	0.16%	510,853
Jul 29, 2026	102.81	104.47	102.23	102.88	102.88	-0.25%	649,852
Jul 28, 2026	102.05	103.75	100.45	103.14	103.14	1.60%	871,104
Jul 27, 2026	99.22	101.76	99.16	101.52	101.52	2.32%	795,188
Jul 24, 2026	96.45	99.87	96.45	99.22	99.22	2.57%	968,641
Jul 23, 2026	102.29	102.29	95.40	96.73	96.73	-2.05%	1,367,487
Jul 22, 2026	97.65	98.88	97.13	98.75	98.75	1.13%	815,553
Jul 21, 2026	99.37	99.60	97.35	97.65	97.65	-1.73%	866,846
Jul 20, 2026	99.29	99.61	98.23	99.37	99.37	0.12%	834,719
Jul 17, 2026	99.93	100.79	98.61	99.25	99.25	-1.01%	866,926
Jul 16, 2026	97.73	100.28	97.73	100.26	100.26	2.13%	1,542,411
Jul 15, 2026	95.37	98.58	95.37	98.17	98.17	3.46%	956,027
Jul 14, 2026	95.40	96.77	94.73	94.89	94.89	-1.34%	781,173
Jul 13, 2026	96.14	96.73	95.29	96.18	96.18	0.76%	499,363
Jul 10, 2026	95.80	96.41	94.70	95.45	95.45	0.76%	600,256