Morgan Stanley Institutional Treasury Security Advisor (MAZXX)

Fund Assets	n/a
Expense Ratio	0.20%
Min. Investment	n/a
Turnover	n/a
Dividend (ttm)	0.04
Dividend Yield	3.59%
Dividend Growth	-14.42%
Payout Frequency	Monthly
Ex-Dividend Date	Oct 30, 2026

Previous Close	1.000
YTD Return	3.02%
1-Year Return	3.66%
5-Year Return	n/a
52-Week Low	n/a
52-Week High	1.000
Beta (5Y)	n/a
Holdings	n/a
Inception Date	n/a

About MAZXX

The MFS U.S. Government Money Market Fund is an open-end mutual fund designed to provide investors with current income while maintaining capital preservation and liquidity. Its primary function is to invest in high-quality, short-term U.S. government securities, which typically include obligations issued or guaranteed by the U.S. Treasury, federal agencies, and government-sponsored enterprises. The fund is managed to maintain a stable net asset value of $1.00 per share, though this value is not guaranteed and may fluctuate. A notable feature of this fund is its focus on safety and liquidity, making it a key vehicle for investors seeking a low-risk, cash-like solution for cash holdings or short-term investment needs. The fund's 7-day SEC yield reflects returns from recent interest earned, an important metric for money market instruments. With a long operating history and a significant asset base, the MFS U.S. Government Money Market Fund plays a crucial role in financial markets as a reliable option for capital preservation and ready access to funds.

• Stock Exchange: Nasdaq
• Ticker Symbol: MAZXX
• Share Class: Advisor Class

Performance

MAZXX had a total return of 3.66% in the past year, including dividends. Since the fund's inception, the average annual return has been 4.10%.

Other Share Classes

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

Symbol	Share Class	Expense Ratio
IMXXX	Impact Class	0.20%
IPUXX	Impact Partner Class	0.20%
MSSXX	Institutional Select Class	0.25%
MNVXX	Investor Class	0.30%

Dividend History

Ex-Dividend	Amount	Pay Date
Oct 30, 2026	$0.00333	Oct 30, 2026
Sep 30, 2026	$0.00299	Sep 30, 2026
Aug 31, 2026	$0.00283	Aug 31, 2026
Jul 31, 2026	$0.00319	Jul 31, 2026
Jun 30, 2026	$0.00288	Jun 30, 2026
May 29, 2026	$0.00298	May 29, 2026

Data Sources: Twelve Data and Finnhub

Historical data is provided by Twelve Data. Several fund data points are also provided by Finnhub.

Last checked:

Nov 6, 2026

Data Sources Report a data error