SEI Investments Company - SEIC - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
February 20, 2026	80.57	81.39	81.39	81.74	79.71	574,516
February 19, 2026	80.48	80.57	80.57	80.75	79.28	693,069
February 18, 2026	79.15	81.25	81.25	81.35	79.08	570,610
February 17, 2026	78.89	79.02	79.02	79.58	77.53	717,744
February 13, 2026	77.45	78.63	78.63	78.77	76.27	1.35M
February 12, 2026	80.61	77.33	77.33	81.42	76.43	1.18M
February 11, 2026	82.85	80.18	80.18	82.99	79.24	748,912
February 10, 2026	85.14	82.3	82.3	86.03	81.26	966,066
February 09, 2026	84.54	85.37	85.37	85.49	84.02	515,300
February 06, 2026	85.32	84.45	84.45	85.84	83.53	901,723
February 05, 2026	86.03	84.41	84.41	86.92	84.25	688,100
February 04, 2026	85.22	85.94	85.94	86.36	83.13	950,000
February 03, 2026	88.69	84.13	84.13	88.74	82.95	1.01M
February 02, 2026	87.49	88.69	88.69	88.92	86.68	783,800
January 30, 2026	87.81	87.85	87.85	88.68	86.91	1.33M
January 29, 2026	88.72	88.04	88.04	91.42	86.06	1.93M
January 28, 2026	84.44	86.1	86.1	86.15	84.01	852,486
January 27, 2026	85.48	84.64	84.64	86.13	84.44	533,351
January 26, 2026	85.15	85.34	85.34	85.93	85.06	416,800
January 23, 2026	85.95	85.2	85.2	85.95	84.3	424,144
January 22, 2026	86.6	86.2	86.2	86.99	85.97	394,730
January 21, 2026	84.44	85.97	85.97	86.79	84.2	542,001
January 20, 2026	85.36	83.72	83.72	85.93	83.52	474,800
January 16, 2026	86.45	86.01	86.01	86.81	85.89	357,200
January 15, 2026	85.75	86.54	86.54	86.88	85.7	575,544
January 14, 2026	84.65	85.32	85.32	85.67	84.47	560,900
January 13, 2026	86.18	84.71	84.71	86.18	84.09	505,500
January 12, 2026	86	85.99	85.99	86.56	85.38	522,623
January 09, 2026	87.27	86.77	86.77	87.94	86.64	430,700
January 08, 2026	87.16	87.25	87.25	87.76	86.48	576,000
January 07, 2026	87.52	87.51	87.51	88.21	86.36	529,628
January 06, 2026	86.95	88.01	88.01	88.25	85.66	620,245
January 05, 2026	82.93	86.95	86.95	87.69	82.88	858,600
January 02, 2026	81.79	83.01	83.01	83.07	81.63	557,310
December 31, 2025	83.23	82.02	82.02	83.23	81.98	436,973
December 30, 2025	83.9	83.16	83.16	83.97	82.89	481,945
December 29, 2025	84.38	84.09	84.09	84.45	83.6	598,350
December 26, 2025	85.35	84.85	84.33	85.42	84.58	402,315
December 24, 2025	86.02	85.37	85.37	86.02	85.14	280,408
December 23, 2025	85.67	86.12	86.12	86.98	85.29	801,300
December 22, 2025	83.38	84.35	84.35	84.89	83.32	460,920
December 19, 2025	83.31	83.44	83.44	83.9	82.65	1.54M
December 18, 2025	83.71	83.5	83.5	84.36	82.98	681,657
December 17, 2025	82.68	83.08	83.08	83.71	82.34	546,949
December 16, 2025	83.3	82.97	82.97	83.83	82.07	714,234
December 15, 2025	82.63	81.99	81.99	84.07	81.39	678,446
December 12, 2025	83.85	83	83	83.85	82.46	681,046
December 11, 2025	83.29	83.39	83.39	84.04	83.19	569,038
December 10, 2025	81.5	83.2	83.2	83.41	81.48	579,349
December 09, 2025	80.94	81.61	81.61	82.15	80.94	406,429
December 08, 2025	80.98	80.9	80.9	81.35	80.37	638,700
December 05, 2025	81.06	81.1	81.1	81.6	80.6	566,400
December 04, 2025	81.13	81.25	81.25	82.18	80.86	526,122
December 03, 2025	80	81	81	81.07	80	511,100
December 02, 2025	80.01	79.96	79.96	80.72	79.69	415,724
December 01, 2025	80.36	79.98	79.98	81.34	79.86	396,300
November 28, 2025	81.32	80.86	80.86	81.62	80.6	240,000
November 26, 2025	80.19	80.83	80.83	81.55	80.19	452,440
November 25, 2025	79.64	80.2	80.2	80.57	79.54	452,504
November 24, 2025	79.89	79.34	79.34	80.05	79.15	727,400

SEI Investments Company (SEIC) NASDAQ