Vanguard Institutional Index Fund Institutional Shares - VINIX - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low
February 20, 2026	558.15	558.15	558.15	558.15	558.15
February 19, 2026	554.29	554.29	554.29	554.29	554.29
February 18, 2026	555.78	555.78	555.78	555.78	555.78
February 17, 2026	552.68	552.68	552.68	552.68	552.68
February 13, 2026	552.04	552.04	552.04	552.04	552.04
February 12, 2026	551.69	551.69	551.69	551.69	551.69
February 11, 2026	560.42	560.42	560.42	560.42	560.42
February 10, 2026	560.43	560.43	560.43	560.43	560.43
February 09, 2026	562.26	562.26	562.26	562.26	562.26
February 06, 2026	548.75	548.75	548.75	548.75	548.75
February 05, 2026	548.75	548.75	548.75	548.75	548.75
February 04, 2026	555.56	555.56	555.56	555.56	555.56
February 03, 2026	558.38	558.38	558.38	558.38	558.38
February 02, 2026	563.11	563.11	563.11	563.11	563.11
January 30, 2026	560.07	560.07	560.07	560.07	560.07
January 29, 2026	562.45	562.45	562.45	562.45	562.45
January 28, 2026	563.17	563.17	563.17	563.17	563.17
January 27, 2026	563.21	563.21	563.21	563.21	563.21
January 26, 2026	560.92	560.92	560.92	560.92	560.92
January 23, 2026	558.13	558.13	558.13	558.13	558.13
January 22, 2026	557.9	557.9	557.9	557.9	557.9
January 21, 2026	554.85	554.85	554.85	554.85	554.85
January 20, 2026	548.48	548.48	548.48	548.48	548.48
January 16, 2026	560.01	560.01	560.01	560.01	560.01
January 15, 2026	560.34	560.34	560.34	560.34	560.34
January 14, 2026	558.88	558.88	558.88	558.88	558.88
January 13, 2026	561.87	561.87	561.87	561.87	561.87
January 12, 2026	562.95	562.95	562.95	562.95	562.95
January 09, 2026	562.01	562.01	562.01	562.01	562.01
January 08, 2026	558.38	558.38	558.38	558.38	558.38
January 07, 2026	558.33	558.33	558.33	558.33	558.33
January 06, 2026	560.26	560.26	560.26	560.26	560.26
January 05, 2026	556.77	556.77	556.77	556.77	556.77
January 02, 2026	553.25	553.25	553.25	553.25	553.25
December 31, 2025	552.08	552.08	552.08	552.08	552.08
December 30, 2025	556.13	556.13	556.13	556.13	556.13
December 29, 2025	556.9	556.9	556.9	556.9	556.9
December 26, 2025	558.83	558.83	558.83	558.83	558.83
December 24, 2025	558.95	558.95	558.95	558.95	558.95
December 23, 2025	557.15	557.15	557.15	557.15	557.15
December 22, 2025	560.69	560.69	560.69	560.69	560.69
December 19, 2025	557.07	557.07	557.07	557.07	557.07
December 18, 2025	552.19	552.19	552.19	552.19	552.19
December 17, 2025	547.84	547.84	547.84	547.84	547.84
December 16, 2025	554.25	554.25	554.25	554.25	554.25
December 15, 2025	555.56	555.56	555.56	555.56	555.56
December 12, 2025	562.31	562.31	562.31	562.31	562.31
December 11, 2025	562.31	562.31	562.31	562.31	562.31
December 10, 2025	561.14	561.14	561.14	561.14	561.14
December 09, 2025	557.85	557.85	557.85	557.85	557.85
December 08, 2025	559.75	559.75	559.75	559.75	559.75
December 05, 2025	559.75	559.75	559.75	559.75	559.75
December 04, 2025	557.94	557.94	557.94	557.94	557.94
December 03, 2025	557.94	557.94	557.94	557.94	557.94
December 02, 2025	556.27	556.27	556.27	556.27	556.27
December 01, 2025	554.89	554.89	554.89	554.89	554.89
November 28, 2025	557.79	557.79	557.79	557.79	557.79
November 26, 2025	554.8	554.8	554.8	554.8	554.8
November 25, 2025	550.99	550.99	550.99	550.99	550.99
November 24, 2025	546	546	546	546	546

Vanguard Institutional Index Fund Institutional Shares (VINIX) NASDAQ