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MFRBX Chart NMFQS:MFRBX

Large Blend | MFS
$48.41
↓ $-0.03 (-0.06%)
Last Updated: Aug 09, 2026

MFRBX Price Chart

3M 6M YTD 1Y 5Y 10Y Max
This chart displays NAV data for MFS Research Fund Class B (MFRBX). For complete fund information and metrics, visit the Mfs Research Fund Class B (MFRBX) fund's overview page.


Performance Summary

YTD Return 5.24%
1-Year Return 9.85%
3-Year Return 13.58%
5-Year Return 7.92%
NAV $48.41
Previous Close $48.44

Fund Metrics

Net Assets $7.88 Billion
Expense Ratio 1.50%
Dividend Yield 0.00%
Morning Star Rating -
Inception Date 1971-10-13
Update Date 2026-06-30