MIABX Mutual Fund

NAV$8.78

Fund Essentials - as of Jan 31, 2026

Net Assets
$38,112.47
Expense Ratio
1.39%
Dividend Yield (Current)
3.54%
Holdings
108
Inception Date
Sep 1, 2004
Fund Family
MFS Investment Management
Investment Style
PRO
Asset Class
PRO
Legal Structure
PRO
Dividend Frequency
Quarterly
SEC 30-Day Yield
PRO

Performance

YTD+0.32%
1 Year+1.59%
3 Year+2.41%
5 Year-0.60%
10 Year+1.04%

Asset Allocation

Bonds: 98.73%
Cash: 0.99%
Other: 0.28%

Price Chart (6M)

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Top Holdings

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TickerNameWeight
TII 0.125 01/15/31United States Treasury Inflation, 0.125%, 01/15/203111.62%
TII 0.125 07/15/30Us Treasury Inflation Indexed Bonds 0.125% Jul 15 309.24%
TII 1.75 01/15/34United States Treasury Inflation Indexed Bonds, 1.7500% 01/15/20347.54%
TII 0.875 01/15/29U.S. Treasury Inflation Indexed Bonds 0.875%, 01/15/297.44%
TII 0.125 01/15/32U.S. Tips 0-1/8% 01/15/326.30%
Top 10 Concentration: 67.35%Report Date: Jan 31, 2026
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Dividend Summary

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Dividend Yield (Current)
3.54%
Frequency
Quarterly
Latest Distribution
$0.27
-

Peer Comparison

Benchmark
PRO
Peer outperformance: PRO
Category rank: PRO
This Mutual Fund
PRO
Peer Avg
PRO
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Category rank, peer-average returns and outperformance, updated daily.
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MIABX Mutual Fund Overview

MIABX Mutual Fund (MFS Inflation Adjusted Bond Fund Class B) is managed by MFS Investment Management with $38,112.47 in net assets. MIABX expense ratio is 1.39%, holding 108 positions across sectors including Financials, Other, Health Care. Inception date: 2004-09-01.

MIABX performance shows a YTD return of 0.32%. The 1-year return is 1.59% and the 5-year return is -0.60%. MIABX dividend yield stands at 3.54%, paid quarterly.

MIABX top holdings include United States Treasury Inflation, 0.125%, 01/15/2031 (11.6%), Us Treasury Inflation Indexed Bonds 0.125% Jul 15 30 (9.2%), United States Treasury Inflation Indexed Bonds, 1.7500% 01/15/2034 (7.5%), U.S. Treasury Inflation Indexed Bonds 0.875%, 01/15/29 (7.4%), U.S. Tips 0-1/8% 01/15/32 (6.3%). View all MIABX holdings, sector breakdown, or dividend history.

MIABX can be compared against other funds using the overlap calculator or side-by-side comparison tool. MIABX alternatives are available via the screener, along with tax-loss harvesting opportunities.