MFS Mid Cap Growth Fund Class R6 (OTCKX) NASDAQ

Currency In USD

OTCKX Historical Return

If you invested $1000 in MFS Mid Cap Growth Fund Class R6 (OTCKX) since IPO date, it would be worth $1,338.7 as of August 02, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 3 years ago would be worth $1,223.3, while $1000 invested 1 year ago would be worth $973.56. This corresponds to total returns of 33.87%, 22.33%, -2.64%, respectively, with annualized returns of 9.09%, 6.94%, -2.64%.

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

OTCKX Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low
July 31, 2026	29.12	29.12	29.12	29.12	29.12
July 30, 2026	28.52	28.52	28.52	28.52	28.52
July 29, 2026	28.93	28.93	28.93	28.93	28.93
July 28, 2026	29.15	29.15	29.15	29.15	29.15
July 27, 2026	29.04	29.04	29.04	29.04	29.04
July 24, 2026	29.26	29.26	29.26	29.26	29.26
July 23, 2026	29.28	29.28	29.28	29.28	29.28
July 22, 2026	29.43	29.43	29.43	29.43	29.43
July 21, 2026	29.03	29.03	29.03	29.03	29.03
July 20, 2026	29.13	29.13	29.13	29.13	29.13
July 17, 2026	29.32	29.32	29.32	29.32	29.32
July 16, 2026	29.78	29.78	29.78	29.78	29.78
July 15, 2026	29.95	29.95	29.95	29.95	29.95
July 14, 2026	29.67	29.67	29.67	29.67	29.67
July 13, 2026	30	30	30	30	30
July 10, 2026	30.3	30.3	30.3	30.3	30.3
July 09, 2026	29.9	29.9	29.9	29.9	29.9
July 08, 2026	30.04	30.04	30.04	30.04	30.04
July 07, 2026	30.43	30.43	30.43	30.43	30.43
July 06, 2026	30.09	30.09	30.09	30.09	30.09
July 02, 2026	30.46	30.46	30.46	30.46	30.46
July 01, 2026	30.74	30.74	30.74	30.74	30.74
June 30, 2026	30.41	30.41	30.41	30.41	30.41
June 29, 2026	30	30	30	30	30
June 26, 2026	30.23	30.23	30.23	30.23	30.23
June 25, 2026	29.85	29.85	29.85	29.85	29.85
June 24, 2026	29.72	29.72	29.72	29.72	29.72
June 23, 2026	30.18	30.18	30.18	30.18	30.18
June 22, 2026	30.06	30.06	30.06	30.06	30.06
June 18, 2026	29.65	29.65	29.65	29.65	29.65
June 17, 2026	29.88	29.88	29.88	29.88	29.88
June 16, 2026	30.07	30.07	30.07	30.07	30.07
June 15, 2026	29.5	29.5	29.5	29.5	29.5
June 12, 2026	29.4	29.4	29.4	29.4	29.4
June 11, 2026	28.51	28.51	28.51	28.51	28.51
June 10, 2026	29.09	29.09	29.09	29.09	29.09
June 09, 2026	28.93	28.93	28.93	28.93	28.93
June 08, 2026	28.85	28.85	28.85	28.85	28.85
June 05, 2026	29.8	29.8	29.8	29.8	29.8
June 04, 2026	29.7	29.7	29.7	29.7	29.7
June 03, 2026	29.86	29.86	29.86	29.86	29.86
June 02, 2026	29.69	29.69	29.69	29.69	29.69
June 01, 2026	29.57	29.57	29.57	29.57	29.57
May 29, 2026	29.44	29.44	29.44	29.44	29.44
May 28, 2026	29.1	29.1	29.1	29.1	29.1
May 27, 2026	29.24	29.24	29.24	29.24	29.24
May 26, 2026	28.96	28.96	28.96	28.96	28.96
May 22, 2026	28.82	28.82	28.82	28.82	28.82
May 21, 2026	28.58	28.58	28.58	28.58	28.58
May 20, 2026	28.13	28.13	28.13	28.13	28.13
May 19, 2026	28.39	28.39	28.39	28.39	28.39
May 18, 2026	28.59	28.59	28.59	28.59	28.59
May 15, 2026	29.09	29.09	29.09	29.09	29.09
May 14, 2026	28.87	28.87	28.87	28.87	28.87
May 13, 2026	28.81	28.81	28.81	28.81	28.81
May 12, 2026	28.99	28.99	28.99	28.99	28.99
May 11, 2026	28.85	28.85	28.85	28.85	28.85
May 08, 2026	29.2	29.2	29.2	29.2	29.2
May 07, 2026	29.46	29.46	29.46	29.46	29.46
May 06, 2026	29	29	29	29	29