MM S&P 500® Index Adm (MIEYX)

Fund Assets	2.21B
Expense Ratio	0.49%
Min. Investment	$0.00
Turnover	5.00%
Dividend (ttm)	0.12
Dividend Yield	0.79%
Dividend Growth	-32.37%
Payout Frequency	Annual
Ex-Dividend Date	Dec 15, 2025

Previous Close	15.74
YTD Return	12.60%
1-Year Return	19.99%
5-Year Return	66.30%
52-Week Low	12.97
52-Week High	16.57
Beta (5Y)	1.00
Holdings	507
Inception Date	Mar 1, 1998

About MIEYX

The MM S&P 500 Index Fund Administrative Class is an equity mutual fund designed to closely mirror the performance of the S&P 500 Index, which consists of the largest publicly traded companies in the United States. By investing primarily—at least 80% of its assets—in the same companies and similar proportions as the index, the fund provides broad exposure to the U.S. large-cap equity market. Its portfolio typically holds over 500 stocks, with significant allocations to leading technology, consumer cyclical, communication services, and financial firms, reflecting the S&P 500’s sector weightings. Notable holdings include major companies such as Apple, NVIDIA, Microsoft, and Amazon, among others. The fund offers investors a diversified and cost-efficient way to participate in the aggregate performance of U.S. large-cap equities, featuring a competitive expense ratio and minimal required initial investment. With annual dividend distributions and a strategy focused on tracking the total return of the underlying index, the fund serves as a core holding for investors seeking long-term growth through broad market participation.

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

Performance

MIEYX had a total return of 19.99% in the past year, including dividends. Since the fund's inception, the average annual return has been 8.02%.

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%
MIEZX	Class R5	0.24%
MMIEX	Service Class	0.39%
MIEAX	Class R4	0.64%

Top 10 Holdings

36.19% of assets

Name	Symbol	Weight
NVIDIA Corporation	NVDA	7.47%
Apple Inc.	AAPL	6.55%
Microsoft Corporation	MSFT	4.27%
Amazon.com, Inc.	AMZN	3.60%
Alphabet Inc.	GOOGL	3.23%
Broadcom Inc.	AVGO	2.76%
Alphabet Inc.	GOOG	2.57%
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	$2.46327	Dec 16, 2025
Dec 13, 2024	$4.61162	Dec 16, 2024
Dec 13, 2023	$1.06115	Dec 14, 2023
Dec 14, 2022	$4.2218	Dec 15, 2022
Dec 16, 2021	$2.73316	Dec 17, 2021
Dec 14, 2020	$2.96887	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:

Aug 27, 2026

Data Sources Report a data error