MFS Series Trust I - MFS New Discovery Fund Class A (MNDAX) NASDAQ

Currency In USD

MNDAX Historical Return

If you invested $1000 in MFS Series Trust I - MFS New Discovery Fund Class A (MNDAX) 10 years ago, it would be worth $2,819.17 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $979.89, while $1000 invested 1 year ago would be worth $1,145.48. This corresponds to total returns of 181.92%, -2.01%, 14.55%, respectively, with annualized returns of 10.92%, -0.41%, 14.55%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

MNDAX Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low
October 21, 2026	30.9	31.18	31.18	31.18	30.9
October 20, 2026	30.9	30.9	30.9	30.9	30.9
October 19, 2026	30.5	30.5	30.5	30.5	30.5
October 16, 2026	30.27	30.27	30.27	30.27	30.27
October 15, 2026	30.82	30.82	30.82	30.82	30.82
October 14, 2026	30.33	30.33	30.33	30.33	30.33
October 13, 2026	31.06	30.82	30.82	31.06	30.82
October 12, 2026	31.25	31.25	31.25	31.25	31.25
October 09, 2026	31.25	31.25	31.25	31.25	31.25
October 08, 2026	30.86	30.86	30.86	30.86	30.86
October 07, 2026	30.92	30.92	30.92	30.92	30.92
October 06, 2026	31.88	31.88	31.88	31.88	31.88
October 05, 2026	31.88	31.88	31.88	31.88	31.88
October 02, 2026	31.44	31.68	31.68	31.68	31.44
October 01, 2026	31.44	31.44	31.44	31.44	31.44
September 30, 2026	31.45	31.45	31.45	31.45	31.45
September 29, 2026	31.47	31.47	31.47	31.47	31.47
September 28, 2026	31.6	31.6	31.6	31.6	31.6
September 25, 2026	31.6	31.6	31.6	31.6	31.6
September 24, 2026	31.55	31.63	31.63	31.63	31.55
September 23, 2026	31.55	31.55	31.55	31.55	31.55
September 22, 2026	31.69	31.92	31.92	31.92	31.69
September 21, 2026	31.58	31.69	31.69	31.69	31.58
September 18, 2026	31.58	31.58	31.58	31.58	31.58
September 17, 2026	31.21	31.21	31.21	31.21	31.21
September 16, 2026	31.21	31.21	31.21	31.21	31.21
September 15, 2026	31.23	31.23	31.23	31.23	31.23
September 11, 2026	31.84	31.84	31.84	31.84	31.84
September 10, 2026	31.67	31.67	31.67	31.67	31.67
September 09, 2026	32.54	32.01	32.01	32.54	32.01
September 08, 2026	32.54	32.54	32.54	32.54	32.54
September 04, 2026	32.63	32.63	32.63	32.63	32.63
September 03, 2026	32.32	32.32	32.32	32.32	32.32
September 02, 2026	32.32	32.32	32.32	32.32	32.32
September 01, 2026	32.13	32.13	32.13	32.13	32.13
August 31, 2026	32.48	32.48	32.48	32.48	32.48
August 28, 2026	32.48	32.48	32.48	32.48	32.48
August 27, 2026	32.98	33.09	33.09	33.09	32.98
August 26, 2026	32.73	32.73	32.73	32.73	32.73
August 25, 2026	32.73	32.73	32.73	32.73	32.73
August 24, 2026	32.66	32.66	32.66	32.66	32.66
August 21, 2026	32.78	32.78	32.78	32.78	32.78
August 20, 2026	33.26	33.26	33.26	33.26	33.26
August 19, 2026	33.11	33.26	33.26	33.26	33.11
August 18, 2026	33.76	33.11	33.11	33.76	33.11
August 17, 2026	33.76	33.76	33.76	33.76	33.76
August 14, 2026	33.23	33.64	33.64	33.64	33.23
August 13, 2026	33.73	33.73	33.73	33.73	33.73
August 12, 2026	33.23	33.38	33.38	33.38	33.23
August 11, 2026	33.23	33.23	33.23	33.23	33.23
August 10, 2026	33.27	33.27	33.27	33.27	33.27
August 07, 2026	32.73	32.73	32.73	32.73	32.73
August 06, 2026	32.61	32.61	32.61	32.61	32.61
August 05, 2026	32.69	32.69	32.69	32.69	32.69
August 04, 2026	31.76	31.76	31.76	31.76	31.76
August 03, 2026	31.24	31.24	31.24	31.24	31.24
July 31, 2026	31.14	31.14	31.14	31.14	31.14
July 30, 2026	30.48	30.48	30.48	30.48	30.48
July 29, 2026	30.48	30.48	30.48	30.48	30.48
July 28, 2026	31.14	31.14	31.14	31.14	31.14