MFS Research Fund Class B (MFRBX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
47.69
-0.33 (-0.69%)
At close: May 19, 2026
MFRBX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| May 18, 2026 | 48.02 | 48.02 | 48.02 | 48.02 | 48.02 | 0.04% |
| May 15, 2026 | 48.00 | 48.00 | 48.00 | 48.00 | 48.00 | -1.28% |
| May 14, 2026 | 48.62 | 48.62 | 48.62 | 48.62 | 48.62 | 0.85% |
| May 13, 2026 | 48.21 | 48.21 | 48.21 | 48.21 | 48.21 | 0.29% |
| May 12, 2026 | 48.07 | 48.07 | 48.07 | 48.07 | 48.07 | 0.10% |
| May 11, 2026 | 48.02 | 48.02 | 48.02 | 48.02 | 48.02 | -0.17% |
| May 8, 2026 | 48.10 | 48.10 | 48.10 | 48.10 | 48.10 | 0.35% |
| May 7, 2026 | 47.93 | 47.93 | 47.93 | 47.93 | 47.93 | -0.42% |
| May 6, 2026 | 48.13 | 48.13 | 48.13 | 48.13 | 48.13 | 1.18% |
| May 5, 2026 | 47.57 | 47.57 | 47.57 | 47.57 | 47.57 | 0.44% |
| May 4, 2026 | 47.36 | 47.36 | 47.36 | 47.36 | 47.36 | -0.38% |
| May 1, 2026 | 47.54 | 47.54 | 47.54 | 47.54 | 47.54 | 0.11% |
| Apr 30, 2026 | 47.49 | 47.49 | 47.49 | 47.49 | 47.49 | 0.44% |
| Apr 29, 2026 | 47.28 | 47.28 | 47.28 | 47.28 | 47.28 | -0.02% |
| Apr 28, 2026 | 47.29 | 47.29 | 47.29 | 47.29 | 47.29 | -0.71% |
| Apr 27, 2026 | 47.63 | 47.63 | 47.63 | 47.63 | 47.63 | - |
| Apr 24, 2026 | 47.63 | 47.63 | 47.63 | 47.63 | 47.63 | 0.61% |
| Apr 23, 2026 | 47.34 | 47.34 | 47.34 | 47.34 | 47.34 | -0.69% |
| Apr 22, 2026 | 47.67 | 47.67 | 47.67 | 47.67 | 47.67 | 0.82% |
| Apr 21, 2026 | 47.28 | 47.28 | 47.28 | 47.28 | 47.28 | -0.67% |
| Apr 20, 2026 | 47.60 | 47.60 | 47.60 | 47.60 | 47.60 | -0.04% |
| Apr 17, 2026 | 47.62 | 47.62 | 47.62 | 47.62 | 47.62 | 1.25% |
| Apr 16, 2026 | 47.03 | 47.03 | 47.03 | 47.03 | 47.03 | 0.13% |
| Apr 15, 2026 | 46.97 | 46.97 | 46.97 | 46.97 | 46.97 | 0.77% |
| Apr 14, 2026 | 46.61 | 46.61 | 46.61 | 46.61 | 46.61 | 1.08% |
| Apr 13, 2026 | 46.11 | 46.11 | 46.11 | 46.11 | 46.11 | 1.12% |
| Apr 10, 2026 | 45.60 | 45.60 | 45.60 | 45.60 | 45.60 | -0.02% |
| Apr 9, 2026 | 45.61 | 45.61 | 45.61 | 45.61 | 45.61 | 0.57% |
| Apr 8, 2026 | 45.35 | 45.35 | 45.35 | 45.35 | 45.35 | 2.58% |
| Apr 7, 2026 | 44.21 | 44.21 | 44.21 | 44.21 | 44.21 | 0.05% |
| Apr 6, 2026 | 44.19 | 44.19 | 44.19 | 44.19 | 44.19 | 0.43% |
| Apr 2, 2026 | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 0.23% |
| Apr 1, 2026 | 43.90 | 43.90 | 43.90 | 43.90 | 43.90 | 0.50% |
| Mar 31, 2026 | 43.68 | 43.68 | 43.68 | 43.68 | 43.68 | 2.90% |
| Mar 30, 2026 | 42.45 | 42.45 | 42.45 | 42.45 | 42.45 | -0.24% |
| Mar 27, 2026 | 42.55 | 42.55 | 42.55 | 42.55 | 42.55 | -1.82% |
| Mar 26, 2026 | 43.34 | 43.34 | 43.34 | 43.34 | 43.34 | -1.68% |
| Mar 25, 2026 | 44.08 | 44.08 | 44.08 | 44.08 | 44.08 | 0.43% |
| Mar 24, 2026 | 43.89 | 43.89 | 43.89 | 43.89 | 43.89 | -0.48% |
| Mar 23, 2026 | 44.10 | 44.10 | 44.10 | 44.10 | 44.10 | 1.26% |
| Mar 20, 2026 | 43.55 | 43.55 | 43.55 | 43.55 | 43.55 | -1.43% |
| Mar 19, 2026 | 44.18 | 44.18 | 44.18 | 44.18 | 44.18 | -0.14% |
| Mar 18, 2026 | 44.24 | 44.24 | 44.24 | 44.24 | 44.24 | -1.36% |
| Mar 17, 2026 | 44.85 | 44.85 | 44.85 | 44.85 | 44.85 | 0.27% |
| Mar 16, 2026 | 44.73 | 44.73 | 44.73 | 44.73 | 44.73 | 1.13% |
| Mar 13, 2026 | 44.23 | 44.23 | 44.23 | 44.23 | 44.23 | -0.61% |
| Mar 12, 2026 | 44.50 | 44.50 | 44.50 | 44.50 | 44.50 | -1.40% |
| Mar 11, 2026 | 45.13 | 45.13 | 45.13 | 45.13 | 45.13 | -0.33% |
| Mar 10, 2026 | 45.28 | 45.28 | 45.28 | 45.28 | 45.28 | -0.35% |
| Mar 9, 2026 | 45.44 | 45.44 | 45.44 | 45.44 | 45.44 | 0.75% |