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Data provided bySource: Twelve Data
VINIX
$608.26-0.35%
as of close, Nov 12, 2026
Priced once a day, after the close
Vanguard Institutional Index Fund Institutional SharesMutual fund · US Stock Index Funds
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Vanguard Institutional Index Fund Institutional Shares total returns by year (including dividends)

As of market close, Nov 12, 2026

Vanguard Institutional Index Fund Institutional Shares annual returns by year
YearTotal return
2026YTD
+11.9%
2025
+17.8%
2024
+25.0%
2023
+26.2%
2022
-18.1%
2021
+28.7%
2020
+18.4%
2019since Jun 3
+19.0%
Annualized
+15.4%
2020–2026
Average year
+16.3%
6 full years
Best year
+28.7%
2021
Worst year
-18.1%
2022
Positive years
5/6
83% up

Total return by period#

Annual

Methodology#

Total returns, dividends reinvested, measured on VINIX. Annualized return is the compound annual growth rate; the current year is year-to-date. Past performance does not predict future returns.

FAQ#

What is Vanguard Institutional Index Fund Institutional Shares's average annual return?
Since 2020, Vanguard Institutional Index Fund Institutional Shares (VINIX) has returned about 15.4% a year (the compound annual growth rate) and an average calendar-year return of 16.3%.
What were Vanguard Institutional Index Fund Institutional Shares's best and worst years?
Over 2020–2026, the best year was 2021 (+28.7%) and the worst was 2022 (-18.1%).
How often is Vanguard Institutional Index Fund Institutional Shares up in a year?
5 of the 6 full years since 2020 were positive — about 83% of the time.

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