Vanguard Institutional Index Fund - VIIIX - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low
October 17, 2025	542.01	542.01	542.01	542.01	542.01
October 16, 2025	539.16	539.16	539.16	539.16	539.16
October 15, 2025	542.57	542.57	542.57	542.57	542.57
October 14, 2025	540.36	540.36	540.36	540.36	540.36
October 13, 2025	541.19	541.19	541.19	541.19	541.19
October 10, 2025	532.88	532.88	532.88	532.88	532.88
October 09, 2025	547.66	547.66	547.66	547.66	547.66
October 08, 2025	549.16	549.16	549.16	549.16	549.16
October 07, 2025	548.06	548.06	548.06	548.06	548.06
October 06, 2025	548.06	548.06	548.06	548.06	548.06
October 03, 2025	546.03	546.03	546.03	546.03	546.03
October 02, 2025	545.6	545.6	545.6	545.6	545.6
October 01, 2025	545.6	545.6	545.6	545.6	545.6
September 30, 2025	543.72	543.72	543.72	543.72	543.72
September 29, 2025	541.45	541.45	541.45	541.45	541.45
September 26, 2025	540.03	540.03	540.03	540.03	540.03
September 25, 2025	536.84	536.84	536.84	536.84	536.84
September 24, 2025	542.62	542.62	542.62	542.62	542.62
September 23, 2025	542.62	542.62	541.08	542.62	542.62
September 22, 2025	545.62	545.62	544.07	545.62	545.62
September 19, 2025	543.18	543.18	543.18	543.18	543.18
September 18, 2025	540.54	540.54	540.54	540.54	540.54
September 17, 2025	537.96	537.96	537.96	537.96	537.96
September 16, 2025	538.47	538.47	538.47	538.47	538.47
September 15, 2025	539.15	539.15	539.15	539.15	539.15
September 12, 2025	536.5	536.5	536.5	536.5	536.5
September 11, 2025	532.22	532.22	532.22	532.22	532.22
September 10, 2025	532.22	532.22	532.22	532.22	532.22
September 09, 2025	530.62	530.62	530.62	530.62	530.62
September 08, 2025	529.18	529.18	529.18	529.18	529.18
September 05, 2025	528.04	528.04	528.04	528.04	528.04
September 04, 2025	529.64	529.64	529.64	529.64	529.64
September 03, 2025	525.21	525.21	525.21	525.21	525.21
September 02, 2025	522.54	522.54	522.54	522.54	522.54
August 29, 2025	526.08	526.08	526.08	526.08	526.08
August 28, 2025	527.74	527.74	527.74	527.74	527.74
August 27, 2025	527.74	527.74	527.74	527.74	527.74
August 26, 2025	526.48	526.48	526.48	526.48	526.48
August 25, 2025	524.28	524.28	524.28	524.28	524.28
August 22, 2025	526.51	526.51	526.51	526.51	526.51
August 21, 2025	518.62	518.62	518.62	518.62	518.62
August 20, 2025	520.63	520.63	520.63	520.63	520.63
August 19, 2025	524.92	524.92	524.92	524.92	524.92
August 18, 2025	524.92	524.92	524.92	524.92	524.92
August 15, 2025	526.34	526.34	526.34	526.34	526.34
August 14, 2025	526.34	526.34	526.34	526.34	526.34
August 13, 2025	526.17	526.17	526.17	526.17	526.17
August 12, 2025	524.45	524.45	524.45	524.45	524.45
August 11, 2025	518.56	518.56	518.56	518.56	518.56
August 08, 2025	519.81	519.81	519.81	519.81	519.81
August 07, 2025	515.74	515.74	515.74	515.74	515.74
August 06, 2025	516.13	516.13	516.13	516.13	516.13
August 05, 2025	512.4	512.4	512.4	512.4	512.4
August 04, 2025	514.89	514.89	514.89	514.89	514.89
August 01, 2025	507.4	507.4	507.4	507.4	507.4
July 31, 2025	515.63	515.63	515.63	515.63	515.63
July 30, 2025	517.5	517.5	517.5	517.5	517.5
July 29, 2025	518.14	518.14	518.14	518.14	518.14
July 28, 2025	519.68	519.68	519.68	519.68	519.68
July 25, 2025	519.59	519.59	519.59	519.59	519.59

Vanguard Institutional Index Fund (VIIIX) NASDAQ