MFS Inflation-Adjusted Bond R1 (MIALX)

Fund Assets	1.43B
Expense Ratio	1.442%
Min. Investment	$0.00
Turnover	38.00%
Dividend (ttm)	0.31
Dividend Yield	3.68%
Dividend Growth	0.89%
Payout Frequency	Quarterly
Ex-Dividend Date	Sep 24, 2026

Previous Close	8.42
YTD Return	-2.66%
1-Year Return	-3.69%
5-Year Return	-8.25%
52-Week Low	8.38
52-Week High	9.12
Beta (5Y)	0.07
Holdings	140
Inception Date	Apr 1, 2005

About MIALX

MFS Inflation-Adjusted Bond Fund Class R1 is a mutual fund designed to provide a total return that outpaces inflation over the long term, with a strong focus on current income while also considering the potential for capital appreciation. The fund primarily invests in inflation-protected U.S. Treasury securities, along with government agency bonds and similar instruments that help insulate returns from the eroding effects of inflation. By employing strategies such as duration and yield curve management, the fund seeks to optimize returns in varying interest rate environments. It serves as a specialized vehicle for investors aiming to maintain purchasing power and reduce inflation risk within their fixed income allocation. With a diversified portfolio and more than one hundred individual holdings, MFS Inflation-Adjusted Bond Fund Class R1 plays a key role in safeguarding wealth in portfolios sensitive to real returns, particularly for those seeking a degree of stability and inflation protection in their bond investments. The fund benchmarks its performance against the Bloomberg U.S. Treasury Inflation Protected Securities Index, reflecting its alignment with high-quality, inflation-linked assets.

• Fund Family: MFS
• Category: Inflation-Protected Bond
• Performance Rating: Below Average
• Risk Rating: Average
• Stock Exchange: Nasdaq
• Ticker Symbol: MIALX
• Share Class: R1
• Index: Bloomberg U.S. TIPS TR

Performance

MIALX had a total return of -3.69% in the past year, including dividends. Since the fund's inception, the average annual return has been 1.42%.

Equivalent Funds

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

Symbol	Provider	Name	Expense Ratio
SWRSX	Schwab	Schwab Treasury Inflation Protected Securities Index Fund	0.05%
VIPSX	Vanguard	Vanguard Inflation-Protected Securities Fund Investor Shares	0.21%
FIPDX	Fidelity	Fidelity Inflation-Protected Bond 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
MIAKX	R6	0.41%
MIAJX	R4	0.50%
MIAIX	I	0.50%
MIAAX	A	0.65%

Dividend History

Ex-Dividend	Amount	Pay Date
Sep 24, 2026	$0.0669	Sep 25, 2026
Jun 25, 2026	$0.14009	Jun 26, 2026
Dec 11, 2025	$0.1041	Dec 12, 2025
Sep 25, 2025	$0.07846	Sep 26, 2025
Jun 26, 2025	$0.11591	Jun 27, 2025
Mar 25, 2025	$0.01551	Mar 26, 2025

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

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