MFS Inflation-Adjusted Bond Fund C (MIACX)
9.08
-0.01
(-0.11%)
USD |
Dec 04 2025
Returns Chart
Key Stats
| Net Expense Ratio | Total Assets Under Management | Weighted Average Dividend Yield | Turnover Ratio (Generic) |
|---|---|---|---|
| 1.49% | 1.539B | -- | 27.00% |
| 1 Year Fund Level Flows | 1 Year Total Returns (Daily) | Annualized Total Returns Since Inception (Daily) | Max Drawdown (Since Inception) |
| -98.97M | 3.66% | Upgrade | Upgrade |
Basic Info
| Investment Strategy | |
| The Fund seeks a total return that exceeds the rate of inflation over the long term by focusing its investments in inflation-adjusted debt securities issued by the U.S. Treasury. |
| General | |
| Security Type | Mutual Fund |
| Broad Asset Class | Taxable Bond |
| Broad Category | Fixed Income |
| Global Peer Group | Bond USD Inflation Linked |
| Peer Group | Inflation Protected Bond Funds |
| Global Macro | Bond HC |
| US Macro | Short-/Intermediate-Term U.S. Government & Treasury Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | Inflation Protected Bond Funds |
| Fund Owner Firm Name | MFS |
| Broad Asset Class Benchmark Index | |
| ^BBUSATR | 100.0% |
Net Fund Flows Versus Peer Group
1 Month
% Rank:
93
-506.99M
Peer Group Low
508.60M
Peer Group High
1 Year
% Rank:
77
-98.97M
-1.553B
Peer Group Low
6.613B
Peer Group High
3 Months
% Rank:
87
-353.37M
Peer Group Low
2.499B
Peer Group High
3 Years
% Rank:
49
-12.01B
Peer Group Low
13.52B
Peer Group High
6 Months
% Rank:
24
-404.27M
Peer Group Low
4.204B
Peer Group High
5 Years
% Rank:
26
-9.669B
Peer Group Low
18.62B
Peer Group High
YTD
% Rank:
77
-1.279B
Peer Group Low
6.372B
Peer Group High
10 Years
% Rank:
41
-5.804B
Peer Group Low
41.77B
Peer Group High
Date Unavailable
Risk
Performance Versus Peer Group
Annual Total Returns Versus Peers
As of December 05, 2025.
Asset Allocation
As of October 31, 2025.
| Type | % Net |
|---|---|
| Cash | 0.23% |
| Stock | 0.00% |
| Bond | 99.72% |
| Convertible | 0.00% |
| Preferred | 0.00% |
| Other | 0.05% |
Top 10 Holdings
| Name | % Weight | Price | % Change |
|---|---|---|---|
| United States of America USGB 0.125 01/15/2031 FIX USD Government | 12.14% | 93.71 | -0.10% |
| United States of America USGB 0.125 07/15/2030 FIX USD Government | 11.00% | 94.84 | -0.09% |
| United States of America USGB 1.75 01/15/2034 FIX USD Government | 7.48% | 100.26 | -0.12% |
| United States of America USGB 0.875 01/15/2029 FIX USD Government | 7.31% | 98.84 | -0.01% |
| United States of America USGB 0.125 01/15/2032 FIX USD Government | 6.17% | 91.97 | -0.10% |
| United States of America USGB 0.75 02/15/2042 FIX USD Government | 6.08% | 78.86 | -0.20% |
| United States of America USGB 0.375 07/15/2027 FIX USD Government | 5.72% | 99.01 | 0.00% |
| United States of America USGB 1.125 01/15/2033 FIX USD Government | 4.79% | 96.72 | -0.15% |
| United States of America USGB 3.625 04/15/2028 FIX USD Government | 4.61% | 105.47 | -0.01% |
| United States of America USGB 1.375 07/15/2033 FIX USD Government | 4.43% | 98.29 | -0.12% |
Fees & Availability
| Fees | |
| Actual 12B-1 Fee | 1.00% |
| Actual Management Fee | 0.37% |
| Administration Fee | 417.0% |
| Maximum Front Load | -- |
| Maximum Deferred Load | 1.00% |
| Maximum Redemption Fee | 0.00% |
| General Availability | |
| Available for Insurance Product | No |
| Available for RRSP | No |
| Purchase Details | |
| Open to New Investors |
|
| Minimum Initial Investment | 1000.00 None |
| Minimum Subsequent Investment | 0.00 None |
Basic Info
| Investment Strategy | |
| The Fund seeks a total return that exceeds the rate of inflation over the long term by focusing its investments in inflation-adjusted debt securities issued by the U.S. Treasury. |
| General | |
| Security Type | Mutual Fund |
| Broad Asset Class | Taxable Bond |
| Broad Category | Fixed Income |
| Global Peer Group | Bond USD Inflation Linked |
| Peer Group | Inflation Protected Bond Funds |
| Global Macro | Bond HC |
| US Macro | Short-/Intermediate-Term U.S. Government & Treasury Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | Inflation Protected Bond Funds |
| Fund Owner Firm Name | MFS |
| Broad Asset Class Benchmark Index | |
| ^BBUSATR | 100.0% |
Fundamentals
| General | |
| Distribution Yield | -- |
| Dividend Yield TTM (12-3-25) | 3.35% |
| 30-Day SEC Yield (10-31-25) | 0.58% |
| 7-Day SEC Yield | -- |
| Number of Holdings | 95 |
| Bond | |
| Yield to Maturity (10-31-25) | 1.65% |
| Effective Duration | 6.93 |
| Average Coupon | 1.05% |
| Calculated Average Quality | 1.983 |
| Effective Maturity | 7.998 |
| Nominal Maturity | 7.998 |
| Number of Bond Holdings | 90 |
As of October 31, 2025
Fund Details
| Key Dates | |
| Inception Date | 9/1/2004 |
| Last Annual Report Date | 10/31/2024 |
| Last Prospectus Date | 2/28/2025 |
| Share Classes | |
| MIAAX | A |
| MIABX | B |
| MIAHX | Retirement |
| MIAIX | Inst |
| MIAJX | Retirement |
| MIAKX | Retirement |
| MIALX | Retirement |
| MIATX | Retirement |
| Attributes | |
| Index Fund | -- |
| Inverse Fund | No |
| Leveraged Fund | -- |
| Fund of Funds | No |
| Currency Hedged Fund | -- |
| Synthetic Replication Fund | No |
Top Portfolio Holders
| Name | % Weight |
|---|---|
| Portfolio A | 5.00% |
| Portfolio B | 3.50% |
| Portfolio C | 2.25% |
Excel Add-In Codes
| Name: =YCI("M:MIACX", "name") |
| Broad Asset Class: =YCI("M:MIACX", "broad_asset_class") |
| Broad Category: =YCI("M:MIACX", "broad_category_group") |
| Prospectus Objective: =YCI("M:MIACX", "prospectus_objective") |
| To find the codes for any of our securities and financial metrics, see our Complete Excel Reference. |