SEI Investments Company (SEIC) NASDAQ

Currency In USD

SEIC Historical Return

If you invested $1000 in SEI Investments Company (SEIC) 10 years ago, it would be worth $2,641.41 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,791.64, while $1000 invested 1 year ago would be worth $1,340.13. This corresponds to total returns of 164.14%, 79.16%, 34.01%, respectively, with annualized returns of 10.2%, 12.36%, 34.01%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

SEIC Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 21, 2026	107.59	108.43	108.43	108.53	105.96	643,228
October 20, 2026	104.79	107.15	107.15	107.22	104.78	904,038
October 19, 2026	104.42	104.79	104.79	105.44	104.39	643,372
October 16, 2026	106	104.4	104.4	106.81	103.96	671,885
October 15, 2026	105.69	105.27	105.27	105.72	102.9	1.03M
October 14, 2026	105.31	105.27	105.27	105.95	104.47	892,757
October 13, 2026	105.9	105.51	105.51	105.9	104	925,643
October 12, 2026	104.7	105	105	105.51	104.5	633,948
October 09, 2026	103.6	104.7	104.7	105.03	102.62	961,735
October 08, 2026	102.07	103.25	103.25	103.79	101.4	440,876
October 07, 2026	102.84	102.07	102.07	102.84	100.87	546,528
October 06, 2026	103.08	102.86	102.86	103.94	102.54	748,507
October 05, 2026	102.16	103.26	103.26	104.04	101.24	834,575
October 02, 2026	104.57	102.43	102.43	105.07	102.4	619,109
October 01, 2026	102.37	103.87	103.87	103.96	98.45	660,854
September 30, 2026	103.51	102.66	102.66	104.38	102.65	598,988
September 29, 2026	104.48	103.35	103.35	105.35	103.17	552,450
September 28, 2026	105.75	104.82	104.82	105.75	104.09	663,113
September 25, 2026	105	105.65	105.65	106.12	105	666,423
September 24, 2026	104.99	104.78	104.78	105.5	103.54	923,527
September 23, 2026	103.26	104.83	104.83	105.27	103.26	694,085
September 22, 2026	105.58	103.76	103.76	105.94	101.47	1.7M
September 21, 2026	106.25	105.38	105.38	106.25	105	812,339
September 18, 2026	104.85	105.2	105.2	106.26	104.21	3.54M
September 17, 2026	105.49	104.85	104.85	105.63	103.96	602,173
September 16, 2026	105.72	104.57	104.57	106.34	103.22	721,804
September 15, 2026	106.48	105.82	105.82	106.48	105.01	872,503
September 11, 2026	107.91	106.93	106.93	108.94	105.69	573,907
September 10, 2026	107.19	106.77	106.77	107.87	106.32	543,998
September 09, 2026	108.38	107.17	107.17	108.51	106.82	667,682
September 08, 2026	110.33	108.6	108.6	110.75	108.5	846,053
September 04, 2026	110.57	110.39	110.39	111.16	109.83	584,844
September 03, 2026	110	111.46	111.46	111.48	109.75	749,883
September 02, 2026	109.7	109.12	109.12	110.5	108.1	668,137
September 01, 2026	110.57	109.54	109.54	111.15	109.42	649,594
August 31, 2026	111.46	110.98	110.98	111.63	110.46	716,371
August 28, 2026	111.68	111.63	111.63	112.15	111.18	660,725
August 27, 2026	110.27	111.3	111.3	111.43	109.89	710,085
August 26, 2026	110.98	110.78	110.78	111.43	110.34	609,939
August 25, 2026	110.43	110.98	110.98	111.5	109.9	646,258
August 24, 2026	109.75	110.75	110.75	111.9	109.62	866,711
August 21, 2026	108.26	109.53	109.53	109.75	108.19	801,150
August 20, 2026	107.75	107.6	107.6	109.11	107.43	600,758
August 19, 2026	106.76	107.36	107.36	108.04	106.76	646,769
August 18, 2026	106.25	106.92	106.92	107.46	105.53	489,653
August 17, 2026	105.96	105.47	105.47	106.93	105.29	484,712
August 14, 2026	106.52	106.38	106.38	106.91	105.96	362,095
August 13, 2026	106	106.39	106.39	106.86	104.76	486,561
August 12, 2026	104.17	105.54	105.54	105.65	103.96	509,735
August 11, 2026	104.77	104.63	104.63	105.95	104.16	497,690
August 10, 2026	104.7	104.72	104.72	106	104.27	457,935
August 07, 2026	104.5	104.7	104.7	104.98	103.64	472,628
August 06, 2026	105.5	104.69	104.69	107	104.06	583,491
August 05, 2026	105.5	104.76	104.76	106	104.45	591,996
August 04, 2026	104.33	104.72	104.72	105.53	104.26	725,571
August 03, 2026	103.47	104.19	104.19	104.38	102.59	602,893
July 31, 2026	102.19	102.98	102.98	103.35	101.11	824,238
July 30, 2026	102.54	103.04	103.04	103.11	101.1	505,215
July 29, 2026	102.81	102.88	102.88	104.47	102.23	649,732
July 28, 2026	102.05	103.14	103.14	103.75	100.45	871,065