MFS Mid Cap Growth I (OTCIX)

Fund Assets	12.97B
Expense Ratio	0.77%
Min. Investment	$0.00
Turnover	54.00%
Dividend (ttm)	n/a
Dividend Yield	n/a
Dividend Growth	n/a
Payout Frequency	n/a
Ex-Dividend Date	Dec 9, 2025

Previous Close	27.95
YTD Return	0.18%
1-Year Return	-6.15%
5-Year Return	11.97%
52-Week Low	25.25
52-Week High	34.67
Beta (5Y)	0.95
Holdings	110
Inception Date	Jan 2, 1997

About OTCIX

MFS Mid Cap Growth Fund Class I is an actively managed mutual fund focused on achieving capital appreciation by investing primarily in U.S. companies with medium market capitalizations. The fund seeks out businesses exhibiting above-average and durable growth potential that is considered underappreciated by the broader market. Emphasizing firms with strong competitive advantages, high barriers to entry, pricing power, and the capacity to expand profit margins, it targets high-quality growth stocks across sectors such as industrials, technology, financial services, and communication services. Fund management relies on fundamental analysis and valuation discipline to drive portfolio construction. With a track record dating back to 1993, MFS Mid Cap Growth Fund Class I has established itself as a prominent option within the mid-cap growth segment, catering primarily to institutional investors. The fund uses the Russell Midcap Growth Index as its benchmark, aiming to outperform by identifying and weighting stocks based on forward-looking growth characteristics. Its market significance lies in providing diversified exposure to dynamic mid-sized companies, which can serve as engines of innovation and expansion within the broader U.S. equity landscape.

• Fund Family: MFS
• Category: Mid-Cap Growth
• Performance Rating: Above Average
• Risk Rating: Below Average
• Stock Exchange: NASDAQ
• Ticker Symbol: OTCIX
• Share Class: I
• Index: Russell MidCap Growth TR

Performance

OTCIX had a total return of -6.15% in the past year, including dividends. Since the fund's inception, the average annual return has been 7.97%.

Equivalent Funds

These are funds that follow the same index from the other major fund companies.

Symbol	Provider	Name	Expense Ratio
VMGRX	Vanguard	Vanguard Mid-Cap Growth Fund Investor Shares	0.33%
FMDGX	Fidelity	Fidelity Mid Cap Growth Index Fund	0.05%

Other Share Classes

These are alternative share classes of the same fund, from the same provider.

Symbol	Share Class	Expense Ratio
OTCKX	R6	0.65%
OTCJX	R4	0.77%
OTCHX	R3	1.02%
OTCAX	A	1.02%

Top 10 Holdings

24.57% of assets

Name	Symbol	Weight
Monolithic Power Systems, Inc.	MPWR	3.20%
Live Nation Entertainment, Inc.	LYV	2.88%
Take-Two Interactive Software, Inc.	TTWO	2.84%
Natera, Inc.	NTRA	2.77%
Cloudflare, Inc.	NET	2.45%
Ascendis Pharma A/S	ASND	2.39%
Revolution Medicines, Inc.	RVMD	2.11%
Viking Holdings Ltd	VIK	2.00%
TKO Group Holdings, Inc.	TKO	1.99%
Snowflake Inc.	SNOW	1.95%

Dividend History

Ex-Dividend	Amount	Pay Date
Dec 9, 2025	$4.23291	Dec 10, 2025
Dec 10, 2024	$2.21958	Dec 11, 2024
Dec 9, 2021	$1.12487	Dec 10, 2021
Dec 10, 2020	$0.23469	Dec 11, 2020
Dec 12, 2019	$0.18164	Dec 12, 2019
Dec 13, 2018	$0.7252	Dec 13, 2018

Data Sources: Tiingo, Financial Modeling Prep, and more

Historical data is provided by Tiingo. Delayed stock pricing data is provided by Financial Modeling Prep. Several fund data points are also provided by Finnhub.

Last checked:

Sep 20, 2026

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