Thornburg Strategic Municipal Income Fund I (TSSIX)
13.55
-0.03
(-0.22%)
USD |
Sep 15 2026
Returns Chart
Key Stats
| Net Expense Ratio | Total Assets Under Management | Weighted Average Dividend Yield | Turnover Ratio (Generic) |
|---|---|---|---|
| 0.50% | 433.19M | -- | 59.00% |
| 1 Year Fund Level Flows | 1 Year Total Returns (Daily) | Annualized Total Returns Since Inception (Daily) | Max Drawdown (Since Inception) |
| 40.82M | 0.03% |
Basic Info
| Investment Strategy | |
| The Fund seeks a high level of current income exempt from federal individual income tax. The Fund invests principally in a portfolio of municipal obligations issued by states and state agencies, local governments and their agencies, and by certain United States territories and possessions. |
| General | |
| Security Type | Mutual Fund |
| Equity Style | -- |
| Broad Asset Class | Municipal Bond |
| Broad Category | Fixed Income |
| Global Peer Group | Bond USD Municipal |
| Peer Group | General & Insured Municipal Debt Funds |
| Global Macro | Bond HC |
| US Macro | National Municipal Debt Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | General & Insured Municipal Debt Funds |
| Fund Owner Firm Name | Thornburg |
| Broad Asset Class Benchmark Index | |
| ^BBMBTR | 100.0% |
Net Fund Flows Versus Peer Group
1 Month
% Rank:
28
-290.15M
Peer Group Low
693.85M
Peer Group High
1 Year
% Rank:
38
40.82M
-680.63M
Peer Group Low
7.660B
Peer Group High
3 Months
% Rank:
32
-307.76M
Peer Group Low
2.352B
Peer Group High
3 Years
% Rank:
33
-4.709B
Peer Group Low
18.48B
Peer Group High
6 Months
% Rank:
30
-291.15M
Peer Group Low
5.697B
Peer Group High
5 Years
% Rank:
37
-8.426B
Peer Group Low
35.89B
Peer Group High
YTD
% Rank:
30
-438.96M
Peer Group Low
4.719B
Peer Group High
10 Years
% Rank:
47
-7.602B
Peer Group Low
49.65B
Peer Group High
Date Unavailable
Risk
Performance Versus Peer Group
Annual Total Returns Versus Peers
As of September 16, 2026.
Asset Allocation
As of June 30, 2026.
| Type | % Net |
|---|---|
| Cash | 0.00% |
| Stock | 0.00% |
| Bond | 99.39% |
| Convertible | 0.00% |
| Preferred | 0.00% |
| Other | 0.61% |
Top 10 Holdings
| Name | % Weight | Price | % Change |
|---|---|---|---|
| MONTGOMERY CNTY OHIO HOSP REV OH 2.750 11/15/2045 | 1.71% | 100.00 | 0.00% |
| ILLINOIS FIN AUTH REV IL 2.900 11/15/2037 | 1.56% | 100.00 | 0.00% |
| KENTUCKY INC KY PUB ENERGY AUTH GAS SUPPLY REV KY 4.000 08/01/2052 | 1.30% | 99.67 | -0.14% |
| PATRIOTS ENERGY GROUP FING AGY S C GAS SUPPLY REV SC 5.250 10/01/2054 | 1.25% | 103.73 | 0.00% |
| KENTUCKY INC KY PUB ENERGY AUTH GAS SUPPLY REV KY 5.250 04/01/2054 | 1.25% | 103.84 | 0.00% |
| CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REV CA 5.250 01/01/2054 | 1.04% | 103.41 | 0.02% |
| TARRANT CNTY TEX HSG FIN CORP MULTIFAMILY TAX-EXEMPT BDS TX 4.600 03/01/2043 | 1.00% | 94.93 | 0.00% |
| NEW YORK ST HSG FIN AGY REV NY 3.250 11/01/2046 | 0.94% | 100.00 | 0.00% |
| MAIN STR NAT GAS INC GA GAS SUPPLY REV GA 5.000 05/15/2036 | 0.92% | 102.37 | -0.07% |
| CHANDLER ARIZ INDL DEV AUTH INDL DEV REV AZ 5.000 09/01/2052 | 0.86% | 100.79 | 0.00% |
Fees & Availability
| Fees | |
| Actual 12B-1 Fee | -- |
| Actual Management Fee | 0.26% |
| Administration Fee | 240267.0 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 | 2.50M None |
| Minimum Subsequent Investment | 100.00 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 a high level of current income exempt from federal individual income tax. The Fund invests principally in a portfolio of municipal obligations issued by states and state agencies, local governments and their agencies, and by certain United States territories and possessions. |
| General | |
| Security Type | Mutual Fund |
| Equity Style | -- |
| Broad Asset Class | Municipal Bond |
| Broad Category | Fixed Income |
| Global Peer Group | Bond USD Municipal |
| Peer Group | General & Insured Municipal Debt Funds |
| Global Macro | Bond HC |
| US Macro | National Municipal Debt Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | General & Insured Municipal Debt Funds |
| Fund Owner Firm Name | Thornburg |
| Broad Asset Class Benchmark Index | |
| ^BBMBTR | 100.0% |
Fundamentals
| General | |
| Distribution Yield | -- |
| Dividend Yield TTM (9-15-26) | 4.34% |
| 30-Day SEC Yield (8-31-26) | 4.03% |
| 7-Day SEC Yield | -- |
| Number of Holdings | 332 |
| Bond | |
| Yield to Maturity (6-30-26) | 4.03% |
| Effective Duration | -- |
| Average Coupon | 4.86% |
| Calculated Average Quality | 3.051 |
| Effective Maturity | 16.01 |
| Nominal Maturity | 19.80 |
| Number of Bond Holdings | 329 |
As of June 30, 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:TSSIX", "name") |
| Broad Asset Class: =YCI("M:TSSIX", "broad_asset_class") |
| Broad Category: =YCI("M:TSSIX", "broad_category_group") |
| Prospectus Objective: =YCI("M:TSSIX", "prospectus_objective") |
| To find the codes for any of our securities and financial metrics, see our Complete Excel Reference. |