MM S&P 500 Index I (MMIZX)

NASDAQ · Mutual Fund · Delayed Price · Currency is USD
14.53
-0.11 (-0.75%)
Dec 31, 2025, 4:00 PM EST
0.21%
Fund Assets2.27B
Expense Ratio0.14%
Min. Investment$0.00
Turnover4.00%
Dividend (ttm)2.52
Dividend Yield17.34%
Dividend Growth-46.12%
Payout FrequencyAnnual
Ex-Dividend DateDec 15, 2025
Previous Close14.64
YTD Returnn/a
1-Year Return17.63%
5-Year Return94.31%
52-Week Low10.50
52-Week High14.71
Beta (5Y)n/a
Holdings506
Inception DateDec 7, 2011

About MMIZX

MM S&P 500® Index Fund Class I is an institutional mutual fund designed to replicate the performance of the S&P 500 Index by investing in the equity securities of the index's constituent companies in proportion to their weightings. This fund aims to provide investors with broad exposure to the large-cap U.S. equity market, encompassing prominent sectors such as technology, consumer discretionary, healthcare, communication services, and financials. Its portfolio typically includes leading companies like Microsoft, Apple, NVIDIA, Amazon, and Alphabet, reflecting a diversified allocation within the large blend investment style. With a notably low expense ratio of 0.14%, the fund offers a cost-efficient way for investors to track the S&P 500's returns, which over various time horizons have closely matched the index’s own performance. This fund plays a significant role in passive investment strategies by providing a benchmark-based investment vehicle that supports diversification and market-level returns through an index-tracking approach.

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

Performance

MMIZX had a total return of 17.63% in the past year, including dividends. Since the fund's inception, the average annual return has been 26.42%.

Equivalent Funds

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

SymbolProviderNameExpense Ratio
FDFIXFidelityFidelity Flex 500 Index Fundn/a
FLCPXFidelityFidelity SAI U.S. Large Cap Index Fund0.02%
VFIAXVanguardVanguard 500 Index Fund Admiral Shares0.04%
FXAIXFidelityFidelity 500 Index Fund0.02%
SWPPXSchwabSchwab S&P 500 Index Fund0.02%

Other Share Classes

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

SymbolShare ClassExpense Ratio
MIEZXClass R50.24%
MMIEXService Class0.39%
MIEYXAdministrative Class0.49%
MIEAXClass R40.64%

Top 10 Holdings

38.85% of assets
NameSymbolWeight
NVIDIA CorporationNVDA7.97%
Microsoft CorporationMSFT6.74%
Apple Inc.AAPL6.62%
Amazon.com, Inc.AMZN3.73%
Meta Platforms, Inc.META2.79%
Broadcom Inc.AVGO2.72%
Alphabet, Inc.GOOGL2.48%
Tesla, Inc.TSLA2.19%
Alphabet Inc.GOOG1.99%
Berkshire Hathaway Inc.BRK.B1.61%
View More Holdings

Dividend History

Ex-DividendAmountPay Date
Dec 15, 2025$2.51943Dec 16, 2025
Dec 13, 2024$4.67612Dec 16, 2024
Dec 13, 2023$1.11527Dec 14, 2023
Dec 14, 2022$4.29142Dec 15, 2022
Dec 16, 2021$2.81974Dec 17, 2021
Dec 14, 2020$3.04041Dec 15, 2020
Full Dividend History