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MFRBX Chart NMFQS:MFRBX

Large Blend | MFS
$50.26
↑ $0.29 (0.58%)
Last Updated: Oct 15, 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 9.26%
1-Year Return 12.27%
3-Year Return 16.98%
5-Year Return 8.58%
NAV $50.26
Previous Close $49.97

Fund Metrics

Net Assets $7.67 Billion
Expense Ratio 1.50%
Dividend Yield 0.00%
Morning Star Rating -
Inception Date 1971-10-13
Update Date 2026-09-30