SEI Investments Company (SEIC) — Price History

As of 2026-08-07 — refreshed nightly from the Closelook data lake. Diary readings, not advice.

Daily prices

Date	Open	High	Low	Close	Chg %	Volume
2026-08-07	104.50	104.98	103.64	104.70	+0.01%	472,600
2026-08-06	105.50	107.00	104.06	104.69	-0.07%	583,500
2026-08-05	105.50	106.00	104.45	104.76	+0.04%	592,000
2026-08-04	104.33	105.53	104.26	104.72	+0.51%	725,600
2026-08-03	103.47	104.38	102.59	104.19	+1.17%	602,900
2026-07-31	102.19	103.35	101.11	102.98	-0.06%	824,200
2026-07-30	102.54	103.11	101.10	103.04	+0.16%	510,800
2026-07-29	102.81	104.47	102.23	102.88	-0.25%	649,900
2026-07-28	102.05	103.75	100.45	103.14	+1.60%	871,100
2026-07-27	99.22	101.76	99.16	101.52	+2.32%	795,200
2026-07-24	96.45	99.87	96.45	99.22	+2.57%	968,600
2026-07-23	102.29	102.29	95.40	96.73	-2.05%	1,367,500
2026-07-22	97.65	98.88	97.13	98.75	+1.13%	815,500
2026-07-21	99.37	99.60	97.35	97.65	-1.73%	866,800
2026-07-20	99.29	99.61	98.23	99.37	+0.12%	834,700
2026-07-17	99.93	100.79	98.61	99.25	-1.01%	866,900
2026-07-16	97.73	100.28	97.73	100.26	+2.13%	1,542,400
2026-07-15	95.37	98.58	95.37	98.17	+3.46%	956,000
2026-07-14	95.40	96.77	94.73	94.89	-1.34%	781,200
2026-07-13	96.14	96.73	95.29	96.18	+0.76%	499,400
2026-07-10	95.80	96.41	94.70	95.45	+0.76%	600,300
2026-07-09	94.48	96.60	92.47	94.73	+0.23%	728,700
2026-07-08	95.32	95.90	93.62	94.51	-1.49%	709,300
2026-07-07	95.66	96.19	94.90	95.94	+1.00%	633,000
2026-07-06	91.20	95.61	91.20	94.99	+3.89%	691,300
2026-07-02	90.57	92.00	90.50	91.43	+1.53%	730,700
2026-07-01	87.71	91.06	87.66	90.05	+2.67%	577,600
2026-06-30	86.59	88.12	86.11	87.71	+1.41%	564,900
2026-06-29	87.43	88.44	85.94	86.49	-0.87%	617,700
2026-06-26	88.07	88.45	86.39	87.25	-0.77%	1,206,000
2026-06-25	89.41	90.97	87.82	87.93	-1.08%	554,300
2026-06-24	90.69	90.69	88.57	88.89	-1.46%	528,000
2026-06-23	90.93	91.50	89.72	90.21	-0.33%	578,300
2026-06-22	89.91	90.79	89.01	90.51	+1.20%	512,200
2026-06-18	91.95	91.95	88.76	89.44	-1.73%	1,712,000
2026-06-17	90.36	91.54	90.13	91.01	+0.31%	647,700
2026-06-16	90.43	91.49	89.06	90.73	+1.30%	628,100
2026-06-15	89.87	90.52	89.32	89.57	+0.19%	551,000
2026-06-12	88.71	89.78	88.05	89.40	+1.42%	500,800
2026-06-11	88.84	89.37	87.66	88.15	-0.73%	407,600
2026-06-10	90.26	90.89	88.76	88.80	-1.62%	441,200
2026-06-09	88.95	91.40	88.69	90.26	+2.29%	750,100
2026-06-08	88.36	89.39	87.81	88.24	-1.32%	511,900
2026-06-05	88.93	89.67	88.70	89.42	+0.95%	708,900
2026-06-04	87.85	89.29	87.85	88.58	+1.80%	505,600
2026-06-03	87.39	87.55	86.26	87.01	-0.87%	600,100
2026-06-02	88.32	88.74	87.39	87.77	-0.62%	516,100
2026-06-01	87.75	88.77	87.45	88.32	+0.50%	520,100
2026-05-29	88.32	89.12	87.56	87.88	-0.81%	1,181,200
2026-05-28	89.57	89.57	87.96	88.60	-1.20%	696,200
2026-05-27	90.88	91.27	89.53	89.68	-1.19%	404,100
2026-05-26	90.77	91.10	90.14	90.76	+0.25%	557,500
2026-05-22	90.00	91.11	89.53	90.53	+1.05%	527,800
2026-05-21	90.26	90.89	88.73	89.59	-1.30%	624,800
2026-05-20	91.20	91.48	89.94	90.77	-0.30%	668,900
2026-05-19	91.93	92.58	90.93	91.04	-1.05%	596,700
2026-05-18	90.49	92.69	90.34	92.01	+1.58%	661,700
2026-05-15	92.06	92.06	90.43	90.58	-1.22%	565,400
2026-05-14	93.00	93.50	91.45	91.70	-0.59%	545,400
2026-05-13	91.81	92.60	91.09	92.24	-0.05%	535,200
2026-05-12	91.00	93.00	90.53	92.29	+0.76%	983,900
2026-05-11	91.18	91.89	90.35	91.59	+0.45%	592,400
2026-05-08	89.99	91.21	88.78	91.18	+1.44%	481,400
2026-05-07	91.31	92.12	89.65	89.89	-1.40%	602,500
2026-05-06	91.26	91.84	90.66	91.17	+0.42%	772,500
2026-05-05	91.28	91.81	90.53	90.79	-0.53%	696,800
2026-05-04	90.19	91.96	89.63	91.27	+1.16%	735,800
2026-05-01	91.18	91.18	89.79	90.22	-0.51%	844,000
2026-04-30	90.17	91.27	89.70	90.68	-0.21%	1,275,500
2026-04-29	91.49	91.74	89.99	90.87	-0.70%	932,900
2026-04-28	91.16	92.21	90.30	91.51	+0.49%	1,292,800
2026-04-27	88.80	91.14	88.29	91.06	+2.50%	1,185,000
2026-04-24	91.05	91.47	87.66	88.84	-2.43%	1,516,900
2026-04-23	89.14	92.87	87.70	91.05	+7.38%	2,446,500
2026-04-22	83.71	84.89	82.66	84.79	+1.98%	1,507,200
2026-04-21	81.14	83.62	81.14	83.14	+2.13%	1,719,100
2026-04-20	79.68	81.80	79.68	81.41	+2.03%	1,411,900
2026-04-17	79.92	81.00	79.27	79.79	+1.09%	1,150,400
2026-04-16	80.11	80.59	78.47	78.93	-1.35%	1,101,000
2026-04-15	80.23	81.16	79.79	80.01	+0.26%	880,300
2026-04-14	78.98	80.88	78.98	79.80	+1.27%	746,400
2026-04-13	76.45	78.86	76.35	78.80	+2.36%	974,400
2026-04-10	76.89	77.13	75.87	76.98	-0.12%	1,000,000
2026-04-09	77.66	77.96	76.44	77.07	-1.00%	881,600
2026-04-08	76.76	78.19	76.53	77.85	+3.55%	1,157,100
2026-04-07	75.65	76.26	75.08	75.18	-1.04%	1,559,000
2026-04-06	76.66	77.15	75.52	75.97	-1.35%	754,900
2026-04-02	76.96	78.50	76.55	77.01	-1.32%	540,000
2026-04-01	78.92	79.19	77.80	78.04	-0.55%	524,700
2026-03-31	78.23	79.27	77.13	78.47	+1.63%	825,400
2026-03-30	76.38	77.53	76.28	77.21	+1.97%	870,900
2026-03-27	76.35	76.48	75.10	75.72	-1.56%	748,000
2026-03-26	77.27	78.27	76.72	76.92	-0.36%	750,100
2026-03-25	78.97	79.54	76.81	77.20	-1.46%	941,300
2026-03-24	77.80	79.07	77.40	78.34	-0.32%	559,400
2026-03-23	79.57	79.78	78.24	78.59	+1.03%	687,900
2026-03-20	77.80	78.20	77.04	77.79	-0.10%	1,691,700
2026-03-19	77.10	78.49	77.00	77.87	+0.39%	535,600
2026-03-18	78.12	78.56	77.50	77.57	-1.52%	498,100
2026-03-17	79.01	80.24	78.76	78.77	+0.87%	546,300
2026-03-16	80.44	81.37	77.98	78.09	-2.25%	818,400
2026-03-13	79.78	81.06	79.42	79.89	+0.93%	1,091,900
2026-03-12	78.24	79.76	77.57	79.15	-0.62%	1,186,600
2026-03-11	79.79	80.73	78.01	79.64	-0.47%	836,600
2026-03-10	81.15	82.09	78.88	80.02	-1.40%	885,722
2026-03-09	80.22	81.26	78.66	81.16	-0.34%	1,160,235
2026-03-06	80.30	81.49	79.12	81.44	-0.74%	1,054,500
2026-03-05	81.51	83.01	81.18	82.05	+0.29%	999,700
2026-03-04	82.81	83.56	81.79	81.81	-1.04%	1,173,800
2026-03-03	80.41	83.40	79.75	82.67	+0.40%	1,046,500
2026-03-02	80.10	82.99	79.37	82.34	+1.25%	695,300
2026-02-27	82.05	82.87	80.29	81.32	-2.38%	1,003,600
2026-02-26	82.22	83.60	82.08	83.30	+1.83%	657,200
2026-02-25	80.95	82.13	79.74	81.80	+1.98%	570,200
2026-02-24	79.36	80.95	78.61	80.21	+1.44%	594,900
2026-02-23	81.39	81.39	78.80	79.07	-2.85%	666,800
2026-02-20	80.57	81.74	79.71	81.39	+1.02%	574,500
2026-02-19	80.48	80.75	79.28	80.57	-0.84%	692,900
2026-02-18	79.15	81.35	79.08	81.25	+2.82%	570,600
2026-02-17	78.89	79.58	77.53	79.02	+0.50%	717,700
2026-02-13	77.45	78.77	76.27	78.63	+1.68%	1,347,332
2026-02-12	80.61	81.42	76.43	77.33	-3.55%	1,183,511
2026-02-11	82.85	82.99	79.24	80.18	-2.58%	748,912
2026-02-10	85.14	86.04	81.26	82.30	-3.60%	987,897
2026-02-09	84.54	85.49	84.02	85.37	+1.09%	515,275
2026-02-06	85.32	85.84	83.53	84.45	+0.05%	901,723
2026-02-05	86.03	86.92	84.25	84.41	-1.78%	688,063
2026-02-04	85.22	86.36	83.13	85.94	+2.15%	949,963
2026-02-03	88.69	88.74	82.95	84.13	-5.14%	1,010,932
2026-02-02	87.49	88.92	86.68	88.69	+0.96%	783,787
2026-01-30	87.81	88.67	86.91	87.85	-0.22%	1,325,599
2026-01-29	88.72	91.42	86.06	88.04	+2.25%	1,929,351
2026-01-28	84.44	86.15	84.01	86.10	+1.72%	855,711
2026-01-27	85.48	86.13	84.44	84.64	-0.82%	533,351
2026-01-26	85.15	85.93	85.06	85.34	+0.16%	416,765
2026-01-23	85.95	85.95	84.30	85.20	-1.16%	424,144
2026-01-22	86.60	86.99	85.97	86.20	+0.27%	394,730
2026-01-21	84.44	86.79	84.19	85.97	+2.69%	542,001
2026-01-20	85.36	85.93	83.52	83.72	-2.66%	474,758
2026-01-16	86.45	86.81	85.89	86.01	-0.61%	357,175
2026-01-15	85.75	86.88	85.70	86.54	+1.43%	575,544
2026-01-14	84.65	85.67	84.47	85.32	+0.72%	560,881
2026-01-13	86.18	86.18	84.08	84.71	-1.49%	505,469
2026-01-12	86.00	86.56	85.38	85.99	-0.90%	522,623
2026-01-09	87.27	87.94	86.64	86.77	-0.55%	430,683
2026-01-08	87.16	87.76	86.48	87.25	-0.30%	575,983
2026-01-07	87.52	88.20	86.36	87.51	-0.57%	529,628
2026-01-06	86.95	88.25	85.66	88.01	+1.22%	620,245
2026-01-05	82.93	87.69	82.88	86.95	+4.75%	858,561
2026-01-02	81.79	83.07	81.63	83.01	+1.21%	557,310
2025-12-31	83.13	83.18	81.98	82.02	-1.37%	449,640
2025-12-30	83.90	83.97	82.89	83.16	-1.11%	481,945
2025-12-29	84.38	84.45	83.60	84.09	-0.90%	598,718
2025-12-26	85.35	85.42	84.58	84.85	-0.61%	402,315
2025-12-24	86.02	86.02	85.14	85.37	-0.87%	280,408
2025-12-23	85.67	86.98	85.29	86.12	+2.10%	801,264
2025-12-22	83.38	84.89	83.32	84.35	+1.09%	460,920
2025-12-19	83.31	83.90	82.65	83.44	-0.07%	1,540,253
2025-12-18	83.71	84.36	82.98	83.50	+0.51%	681,657
2025-12-17	82.68	83.71	82.34	83.08	+0.13%	546,949
2025-12-16	83.30	83.83	82.06	82.97	+1.20%	714,234
2025-12-15	82.63	84.07	81.39	81.99	-1.22%	678,446
2025-12-12	83.85	83.85	82.46	83.00	-0.47%	681,046
2025-12-11	83.29	84.03	83.19	83.39	+0.23%	569,038
2025-12-10	81.50	83.41	81.48	83.20	+2.01%	579,349
2025-12-09	80.96	82.16	80.96	81.56	+0.82%	512,399
2025-12-08	80.98	81.35	80.37	80.90	-0.25%	638,669
2025-12-05	81.06	81.60	80.59	81.10	-0.18%	566,384
2025-12-04	81.13	82.18	80.86	81.25	+0.31%	526,122
2025-12-03	80.00	81.06	80.00	81.00	+1.30%	511,140
2025-12-02	80.01	80.72	79.69	79.96	-0.03%	435,788
2025-12-01	80.36	81.34	79.86	79.98	-1.09%	396,234
2025-11-28	81.32	81.62	80.60	80.86	+0.04%	239,990
2025-11-26	80.19	81.55	80.19	80.83	+0.79%	452,440
2025-11-25	79.64	80.57	79.54	80.20	+1.08%	452,504
2025-11-24	79.89	80.05	79.15	79.34	-0.87%	727,394
2025-11-21	79.10	80.35	78.64	80.04	+1.56%	748,814
2025-11-20	79.23	80.00	77.51	78.81	+0.46%	621,003
2025-11-19	78.37	78.71	77.65	78.45	+0.23%	605,773
2025-11-18	78.28	79.21	78.00	78.27	-0.66%	729,688
2025-11-17	81.19	81.30	78.31	78.79	-3.41%	580,375
2025-11-14	81.72	82.22	80.45	81.57	-0.85%	577,863
2025-11-13	83.38	83.57	82.18	82.27	-1.71%	599,832
2025-11-12	83.45	84.69	83.45	83.70	+0.18%	536,975
2025-11-11	82.87	84.33	82.82	83.55	+0.67%	462,174
2025-11-10	83.09	83.43	82.34	82.99	+0.08%	485,580
2025-11-07	82.11	83.21	81.68	82.92	+0.89%	503,857
2025-11-06	82.04	82.59	80.59	82.19	-0.23%	516,035
2025-11-05	81.41	82.84	81.30	82.38	+0.91%	509,755
2025-11-04	80.10	81.78	80.01	81.64	+0.94%	574,991
2025-11-03	80.38	80.92	79.54	80.88	+0.33%	558,863
2025-10-31	80.75	81.05	80.43	80.61	-0.24%	714,112
2025-10-30	80.54	81.69	80.54	80.80	+0.24%	706,695
2025-10-29	81.40	81.54	80.06	80.61	-1.49%	736,202
2025-10-28	83.07	83.07	81.82	81.83	-1.49%	471,917
2025-10-27	83.20	83.88	82.60	83.07	+1.42%	616,518
2025-10-24	82.15	82.46	81.25	81.91	+0.47%	784,740
2025-10-23	80.00	81.82	78.34	81.53	+0.15%	1,400,572
2025-10-22	82.25	82.75	81.41	81.41	-1.29%	724,641
2025-10-21	81.66	83.21	81.38	82.47	+0.95%	696,657
2025-10-20	81.26	81.90	80.93	81.69	+1.11%	609,118
2025-10-17	80.85	81.33	80.08	80.79	+0.35%	629,909
2025-10-16	82.84	83.23	80.43	80.51	-2.49%	868,626
2025-10-15	83.93	84.40	82.29	82.57	-1.02%	690,746
2025-10-14	81.54	84.02	81.54	83.42	+1.09%	788,719
2025-10-13	81.57	82.96	81.57	82.52	+1.60%	536,294
2025-10-10	84.30	84.72	81.10	81.22	-3.44%	623,561
2025-10-09	85.28	85.33	83.73	84.11	-0.58%	491,753
2025-10-08	84.87	85.37	83.97	84.60	-0.17%	730,915
2025-10-07	85.82	86.14	84.17	84.74	-0.71%	816,709
2025-10-06	85.77	85.77	84.32	85.35	-0.32%	826,426
2025-10-03	84.97	85.75	84.62	85.62	+0.90%	809,009
2025-10-02	84.14	85.23	83.47	84.86	+0.94%	823,321
2025-10-01	84.50	85.17	83.75	84.07	-0.92%	815,000
2025-09-30	85.42	85.64	84.23	84.85	-0.67%	525,762
2025-09-29	86.29	86.42	85.28	85.42	-0.33%	671,464
2025-09-26	85.48	86.01	85.36	85.70	+0.71%	508,494
2025-09-25	85.66	85.97	84.81	85.10	-1.01%	781,176
2025-09-24	86.49	87.09	85.72	85.97	-0.24%	1,366,714
2025-09-23	87.35	88.01	86.06	86.18	-1.03%	637,611
2025-09-22	86.41	87.16	85.57	87.08	+0.42%	900,777
2025-09-19	86.91	87.25	86.27	86.72	+0.54%	2,395,446
2025-09-18	87.16	87.69	85.97	86.25	-0.46%	683,353
2025-09-17	87.32	88.22	85.99	86.65	-0.64%	821,322
2025-09-16	86.83	87.80	86.76	87.21	+0.70%	766,397
2025-09-15	86.52	87.08	86.03	86.60	+0.12%	654,021
2025-09-12	87.67	87.79	86.40	86.50	-1.45%	399,451
2025-09-11	87.04	87.85	86.50	87.77	+1.02%	501,893
2025-09-10	86.21	87.74	86.21	86.88	+0.27%	562,948
2025-09-09	87.43	87.43	86.01	86.65	-0.89%	608,491
2025-09-08	87.22	87.58	86.76	87.43	+0.30%	864,034
2025-09-05	89.39	89.52	86.75	87.17	-2.30%	783,453
2025-09-04	88.16	89.39	88.10	89.22	+1.71%	826,514
2025-09-03	87.59	88.20	86.49	87.72	-0.43%	547,561
2025-09-02	87.29	88.17	86.66	88.10	-0.20%	713,534
2025-08-29	88.95	89.11	88.02	88.28	-0.64%	703,792
2025-08-28	90.55	90.55	88.73	88.85	-1.84%	519,254
2025-08-27	90.00	90.97	90.00	90.52	+0.21%	609,103
2025-08-26	89.63	90.44	89.09	90.33	+0.78%	504,992
2025-08-25	90.42	90.42	89.47	89.63	-0.58%	515,970
2025-08-22	88.56	90.61	88.16	90.15	+2.28%	451,946
2025-08-21	87.95	88.45	87.69	88.14	-0.29%	440,641
2025-08-20	88.21	88.72	87.56	88.40	+0.22%	710,303
2025-08-19	88.67	89.00	87.92	88.21	-0.46%	552,076
2025-08-18	87.87	88.71	87.80	88.62	+0.49%	676,800
2025-08-15	88.85	88.95	88.00	88.19	-0.70%	750,968
2025-08-14	88.30	89.19	87.93	88.81	+0.30%	609,025
2025-08-13	88.34	88.70	87.58	88.54	+0.55%	553,387
2025-08-12	87.92	88.19	87.53	88.06	+0.71%	568,585
2025-08-11	87.59	88.00	87.22	87.44	-0.07%	404,900

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Nov (+7.88%). Worst month: Feb (-4.75%). Based on 5 years of daily data (2022–2026).

Jan+4.42%
Feb-4.75%
Mar-1.19%
Apr+3.36%
May+1.23%
Jun+1.25%
Jul+5.37%
Aug+0.51%
Sep-1.24%
Oct+0.51%
Nov+7.88%
Dec+0.42%

FAQ · from the current price data · as of 2026-08-07

Quick answers

What is SEI Investments Company's (SEIC) latest close?

104.70 on 2026-08-07, from the Closelook data lake's daily price record.

What is SEIC's 52-week high and low?

107.00 high and 75.08 low over the trailing 52 weeks, as of 2026-08-07.

What is SEI Investments Company's strongest and weakest month historically?

Historically, SEIC's strongest calendar month has been Nov (average +7.88%) and its weakest Feb (average -4.75%), based on 5 years of daily data (2022–2026).

How many years of seasonality does this cover?

5 years (2022–2026), computed from 965 daily bars in the Closelook data lake.