MFS Massachusetts Municipal Bond Fund I (MTALX)
8.69
0.00 (0.00%)
USD |
Sep 04 2026
Returns Chart
Key Stats
| Net Expense Ratio | Total Assets Under Management | Weighted Average Dividend Yield | Turnover Ratio (Generic) |
|---|---|---|---|
| 0.57% | 409.00M | -- | 12.00% |
| 1 Year Fund Level Flows | 1 Year Total Returns (Daily) | Annualized Total Returns Since Inception (Daily) | Max Drawdown (Since Inception) |
| 14.49M | 4.35% |
Basic Info
| Investment Strategy | |
| The Fund seeks to provide investors with a high level of current income exempt from federal and Massachusetts state income taxes primarily through investment in medium and lower grade municipal securities. |
| General | |
| Security Type | Mutual Fund |
| Equity Style | -- |
| Broad Asset Class | Municipal Bond |
| Broad Category | Fixed Income |
| Global Peer Group | Bond USD Municipal |
| Peer Group | Massachusetts Municipal Debt Funds |
| Global Macro | Bond HC |
| US Macro | Single State Municipal Debt Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | Massachusetts Municipal Debt Funds |
| Fund Owner Firm Name | MFS |
| Broad Asset Class Benchmark Index | |
| ^BBMBTR | 100.0% |
Net Fund Flows Versus Peer Group
1 Month
% Rank:
23
-4.207M
Peer Group Low
64.63M
Peer Group High
1 Year
% Rank:
30
14.49M
-103.23M
Peer Group Low
566.86M
Peer Group High
3 Months
% Rank:
44
-5.137M
Peer Group Low
106.77M
Peer Group High
3 Years
% Rank:
27
-353.60M
Peer Group Low
1.038B
Peer Group High
6 Months
% Rank:
54
-11.48M
Peer Group Low
271.68M
Peer Group High
5 Years
% Rank:
24
-621.30M
Peer Group Low
1.016B
Peer Group High
YTD
% Rank:
30
-107.63M
Peer Group Low
325.76M
Peer Group High
10 Years
% Rank:
13
-857.84M
Peer Group Low
1.964B
Peer Group High
Date Unavailable
Risk
Performance Versus Peer Group
Annual Total Returns Versus Peers
As of September 05, 2026.
Asset Allocation
As of July 31, 2026.
| Type | % Net |
|---|---|
| Cash | 1.25% |
| Stock | 0.00% |
| Bond | 98.75% |
| Convertible | 0.00% |
| Preferred | 0.00% |
| Other | 0.00% |
Top 10 Holdings
| Name | % Weight | Price | % Change |
|---|---|---|---|
| MASSACHUSETTS ST SCH BLDG AUTH DEDICATED SALES TAX REV MA 5.000 02/15/2050 | 1.54% | 102.11 | -0.07% |
| MASSACHUSETTS ST DEV FIN AGY REV MA 5.000 07/01/2042 | 1.32% | 106.67 | -0.08% |
| MASSACHUSETTS ST TRANSN FD REV MA 5.000 06/01/2048 | 1.28% | 104.57 | -0.07% |
|
USD Cash
|
1.25% | -- | -- |
| MASSACHUSETTS ST DEV FIN AGY REV MA 5.250 07/01/2050 | 1.24% | 100.54 | -0.07% |
| MASSACHUSETTS ST CLEAN WTR TR MA 5.000 02/01/2048 | 1.05% | 103.71 | -0.08% |
| MASSACHUSETTS ST MA 5.000 08/01/2049 | 1.03% | 102.49 | -0.07% |
| MASSACHUSETTS BAY TRANSN AUTH MASS SALES TAX REV MA 5.250 07/01/2055 | 1.02% | 103.49 | 0.00% |
| MASSACHUSETTS ST TRANSN FD REV MA 5.000 06/01/2053 | 1.00% | 101.84 | 0.00% |
| TRI-CNTY REGL VOCATIONAL TECHNICAL SCH DIST MASS MA 4.000 06/01/2044 | 0.92% | 92.04 | -0.12% |
Fees & Availability
| Fees | |
| Actual 12B-1 Fee | -- |
| Actual Management Fee | 0.39% |
| Administration Fee | 30966.00 None |
| Maximum Front Load | -- |
| Maximum Deferred Load | -- |
| Maximum Redemption Fee | -- |
| General Availability | |
| Available for Insurance Product | No |
| Available for RRSP | No |
| Purchase Details | |
| Open to New Investors |
|
| Minimum Initial Investment | 0.00 None |
| Minimum Subsequent Investment | 0.00 None |
TTM Distributions
| Type | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Qualified Income
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Normal
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Qualified
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
LT Cap Gains
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Ordinary Income
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Non-Qual
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
ST Cap Gains
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Interest
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Tax-Exempt
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
ROC
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Other
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Total
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
As of August 31, 2026.
Basic Info
| Investment Strategy | |
| The Fund seeks to provide investors with a high level of current income exempt from federal and Massachusetts state income taxes primarily through investment in medium and lower grade municipal securities. |
| General | |
| Security Type | Mutual Fund |
| Equity Style | -- |
| Broad Asset Class | Municipal Bond |
| Broad Category | Fixed Income |
| Global Peer Group | Bond USD Municipal |
| Peer Group | Massachusetts Municipal Debt Funds |
| Global Macro | Bond HC |
| US Macro | Single State Municipal Debt Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | Massachusetts Municipal Debt Funds |
| Fund Owner Firm Name | MFS |
| Broad Asset Class Benchmark Index | |
| ^BBMBTR | 100.0% |
Fundamentals
| General | |
| Distribution Yield | -- |
| Dividend Yield TTM (9-4-26) | 3.62% |
| 30-Day SEC Yield (7-31-26) | 3.72% |
| 7-Day SEC Yield | -- |
| Number of Holdings | 272 |
| Bond | |
| Yield to Maturity (7-31-26) | 4.45% |
| Effective Duration | 7.90 |
| Average Coupon | 4.80% |
| Calculated Average Quality | 2.575 |
| Effective Maturity | 14.98 |
| Nominal Maturity | 19.59 |
| Number of Bond Holdings | 271 |
As of July 31, 2026
Fund Details
Top Portfolio Holders
| Name | % Weight |
|---|---|
| Portfolio A | 5.00% |
| Portfolio B | 3.50% |
| Portfolio C | 2.25% |
Excel Add-In Codes
| Name: =YCI("M:MTALX", "name") |
| Broad Asset Class: =YCI("M:MTALX", "broad_asset_class") |
| Broad Category: =YCI("M:MTALX", "broad_category_group") |
| Prospectus Objective: =YCI("M:MTALX", "prospectus_objective") |
| To find the codes for any of our securities and financial metrics, see our Complete Excel Reference. |