MFS Inflation-Adjusted Bond R3 (MIAHX)

Fund Assets	1.43B
Expense Ratio	0.726%
Min. Investment	$0.00
Turnover	38.00%
Dividend (ttm)	0.36
Dividend Yield	4.19%
Dividend Growth	-4.64%
Payout Frequency	Quarterly
Ex-Dividend Date	Sep 24, 2026

Previous Close	8.55
YTD Return	-2.44%
1-Year Return	-3.16%
5-Year Return	-4.72%
52-Week Low	8.52
52-Week High	9.24
Beta (5Y)	0.07
Holdings	140
Inception Date	Apr 1, 2005

About MIAHX

MFS Inflation-Adjusted Bond Fund Class R3 is a mutual fund specializing in inflation-protected fixed income investments. Its primary objective is to achieve a total return that surpasses the rate of inflation over the long term, with an emphasis on generating current income while also considering capital appreciation. The fund predominantly invests in inflation-protected U.S. Treasury securities, as well as securities issued by government agencies and other entities, allowing for diverse exposure within the inflation-linked debt market. The investment strategy incorporates both duration and yield curve management, aiming to enhance returns by actively managing interest rate risk and capitalizing on shifts in the fixed income landscape. Managed using a combination of fundamental analysis and quantitative screening, the fund selects holdings based on macroeconomic factors, including inflation and interest rate trends. With net assets exceeding $1.4 billion and a quarterly dividend payout, it serves investors seeking protection from inflation’s erosive effects on purchasing power. MFS Inflation-Adjusted Bond Fund Class R3 plays a significant role in diversified portfolios by providing a hedge against inflation and contributing to fixed income allocations focused on stability and real return potential.

• Fund Family: MFS
• Category: Inflation-Protected Bond
• Performance Rating: Below Average
• Risk Rating: Average
• Stock Exchange: Nasdaq
• Ticker Symbol: MIAHX
• Share Class: R3
• Index: Bloomberg U.S. TIPS TR

Performance

MIAHX had a total return of -3.16% in the past year, including dividends. Since the fund's inception, the average annual return has been 2.12%.

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	0.20%
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	$0.08288	Sep 25, 2026
Jun 25, 2026	$0.152	Jun 26, 2026
Dec 11, 2025	$0.1235	Dec 12, 2025
Sep 25, 2025	$0.09498	Sep 26, 2025
Jun 26, 2025	$0.13315	Jun 27, 2025
Mar 25, 2025	$0.02928	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 14, 2026

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