MIABX Mutual Fund

MIABX Mutual Fund

NAV$8.58
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Fund Essentials - as of Aug 31, 2026

Net Assets
$34,542.65
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
Monthly
SEC 30-Day Yield
PRO

Performance

YTD-0.71%
1 Year-1.34%
3 Year+3.67%
5 Year-1.21%
10 Year+0.94%

Asset Allocation

Bonds: 104.20%
Cash: 0.94%
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Top Holdings

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TickerNameWeight
-Us Treasury Inflation Indexed Bonds 0.125% Jan 15 31 0.125 2031-01-1511.24%
-Us Treasury Inflation Indexed Bonds 0.125% Jul 15 30 0.125 2030-07-159.58%
-Us Treasury Inflation Indexed Bonds 1.75% Jan 15 34 1.75 2034-01-158.88%
-Us Treasury Inflation Indexed Bonds 0.875% Jan 15 29 0.875 2029-01-157.65%
-Us Treasury Inflation Indexed Bonds 0.125% Jan 15 32 0.125 2032-01-156.51%
Top 10 Concentration: 68.96%Report Date: Aug 31, 2026
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Dividend Summary

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

Peer Comparison

Benchmark
PRO
Peer outperformance: PRO
Category rank: PRO
This Mutual Fund
PRO
Peer Avg
PRO

MIABX Mutual Fund Overview

MIABX Mutual Fund (MFS Inflation Adjusted Bond Fund Class B) is managed by MFS Investment Management with $34,542.65 in net assets. MIABX expense ratio is 1.39%, holding 108 positions across various sectors. Inception date: 2004-09-01.

MIABX performance shows a YTD return of -0.71%. The 1-year return is -1.34% and the 5-year return is -1.21%. MIABX dividend yield stands at 3.54%, paid monthly.

MIABX top holdings include Us Treasury Inflation Indexed Bonds 0.125% Jan 15 31 0.125 2031-01-15 (11.2%), Us Treasury Inflation Indexed Bonds 0.125% Jul 15 30 0.125 2030-07-15 (9.6%), Us Treasury Inflation Indexed Bonds 1.75% Jan 15 34 1.75 2034-01-15 (8.9%), Us Treasury Inflation Indexed Bonds 0.875% Jan 15 29 0.875 2029-01-15 (7.7%), Us Treasury Inflation Indexed Bonds 0.125% Jan 15 32 0.125 2032-01-15 (6.5%). Go to all MIABX holdings, MIABX sectors, or MIABX dividends.

MIABX can be compared against other funds. Use MIABX overlap to find shared positions, or MIABX vs another fund for a side-by-side view. MIABX alternatives are available via the screener, along with tax-loss harvesting opportunities.