MM S&P 500® Index R5 (MIEZX)

Fund Assets	2.14B
Expense Ratio	0.24%
Min. Investment	$0.00
Turnover	5.00%
Dividend (ttm)	0.16
Dividend Yield	0.98%
Dividend Growth	-28.74%
Payout Frequency	Annual
Ex-Dividend Date	Dec 15, 2025

Previous Close	16.90
YTD Return	13.59%
1-Year Return	17.09%
5-Year Return	74.95%
52-Week Low	13.67
52-Week High	17.37
Beta (5Y)	1.00
Holdings	507
Inception Date	May 1, 2001

About MIEZX

The MM S&P 500 Index Fund Class R5 is a mutual fund designed to closely track the performance of the S&P 500 Index—a key benchmark representing the largest and most influential publicly traded companies in the United States. By investing at least 80% of its net assets in the equity securities comprising the S&P 500, the fund provides investors with broad exposure to the U.S. large-cap market across diverse sectors, including technology, consumer discretionary, financial services, and communication services. The fund’s portfolio reflects the weightings of the S&P 500, featuring prominent holdings in companies like Apple, Microsoft, NVIDIA, and Amazon. Notably, this Class R5 share class is structured for retirement plans, offering a low expense ratio and no minimum initial investment, which helps maximize cost efficiency for institutional investors. The fund is recognized for its low portfolio turnover, indicating a passive investment style that minimizes trading costs. With a long-term growth objective, the MM S&P 500 Index Fund Class R5 plays a pivotal role in retirement and diversified investment portfolios seeking to mirror the returns of the broader U.S. equity market.

• Fund Family: MassMutual
• Category: Large Blend
• Performance Rating: Above Average
• Risk Rating: Average
• Stock Exchange: Nasdaq
• Ticker Symbol: MIEZX
• Share Class: Class R5
• Index: S&P 500 TR

Performance

MIEZX had a total return of 17.09% in the past year, including dividends. Since the fund's inception, the average annual return has been 8.61%.

Equivalent Funds

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

Symbol	Provider	Name	Expense Ratio
FDFIX	Fidelity	Fidelity Flex 500 Index Fund	n/a
VFFSX	Vanguard	Vanguard 500 Index Institutional Select	0.01%
FLCPX	Fidelity	Fidelity SAI U.S. Large Cap Index Fund	0.02%
VFIAX	Vanguard	Vanguard 500 Index Fund Admiral Shares	0.04%
FXAIX	Fidelity	Fidelity 500 Index Fund	0.02%

Other Share Classes

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

Symbol	Share Class	Expense Ratio
MMIZX	Class I	0.14%
MMIEX	Service Class	0.39%
MIEYX	Administrative Class	0.49%
MIEAX	Class R4	0.64%

Top 10 Holdings

36.32% of assets

Name	Symbol	Weight
NVIDIA Corporation	NVDA	7.50%
Apple Inc.	AAPL	6.57%
Microsoft Corporation	MSFT	4.29%
Amazon.com, Inc.	AMZN	3.61%
Alphabet Inc.	GOOGL	3.24%
Broadcom Inc.	AVGO	2.77%
Alphabet Inc.	GOOG	2.58%
Micron Technology, Inc.	MU	2.01%
Meta Platforms, Inc.	META	1.91%
Tesla, Inc.	TSLA	1.83%

Dividend History

Ex-Dividend	Amount	Pay Date
Dec 15, 2025	$2.50298	Dec 16, 2025
Dec 13, 2024	$4.65798	Dec 16, 2024
Dec 13, 2023	$1.09967	Dec 14, 2023
Dec 14, 2022	$4.27055	Dec 15, 2022
Dec 16, 2021	$2.7976	Dec 17, 2021
Dec 14, 2020	$3.01947	Dec 15, 2020

Data Sources: Tiingo, Twelve Data, and more

Historical data is provided by Tiingo. Delayed stock pricing data is provided by Twelve Data. Several fund data points are also provided by Finnhub.

Last checked:

Oct 16, 2026

Data Sources Report a data error