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Data provided bySource: Twelve Data
WFSPX
$883.00-0.35%
as of close, Nov 12, 2026
Priced once a day, after the close
iShares S&P 500 Index Fund Class K SharesMutual fund · US Stock Index Funds
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iShares S&P 500 Index Fund Class K Shares total returns by year (including dividends)

As of market close, Nov 12, 2026

iShares S&P 500 Index Fund Class K Shares annual returns by year
YearTotal return
2026YTD
+11.9%
2025
+17.8%
2024
+24.9%
2023
+26.2%
2022
-18.2%
2021
+28.6%
2020
+18.4%
2019since Jun 3
+19.1%
Annualized
+15.4%
2020–2026
Average year
+16.3%
6 full years
Best year
+28.6%
2021
Worst year
-18.2%
2022
Positive years
5/6
83% up

Total return by period#

Annual

Methodology#

Total returns, dividends reinvested, measured on WFSPX. 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 iShares S&P 500 Index Fund Class K Shares's average annual return?
Since 2020, iShares S&P 500 Index Fund Class K Shares (WFSPX) has returned about 15.4% a year (the compound annual growth rate) and an average calendar-year return of 16.3%.
What were iShares S&P 500 Index Fund Class K Shares's best and worst years?
Over 2020–2026, the best year was 2021 (+28.6%) and the worst was 2022 (-18.2%).
How often is iShares S&P 500 Index Fund Class K Shares up in a year?
5 of the 6 full years since 2020 were positive — about 83% of the time.

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