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ISIN
US8852167704
CUSIP
885216770
Issuer
Thornburg
Inception Date
Dec 29, 2013
Min. Investment
$2,500,000
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

TLMIX Performance Chart

Thornburg Short Duration Municipal Fund (TLMIX) is up 1.0% since the beginning of the year. TLMIX is currently trading at $12 per share. Investors who bought $1,000 worth of TLMIX shares 5 years ago would now be looking at an investment worth $1,082.


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S&P 500 Index

Returns By Period

Thornburg Short Duration Municipal Fund (TLMIX) has returned 1.01% so far this year and 3.37% over the past 12 months. Over the last ten years, TLMIX has returned 1.33% per year, falling short of the S&P 500 Index benchmark, which averaged 13.66% annually.


Thornburg Short Duration Municipal Fund

1D
0.00%
1M
0.27%
YTD
1.01%
6M
1.36%
1Y
3.37%
3Y*
3.36%
5Y*
1.58%
10Y*
1.33%

Benchmark (S&P 500 Index)

1D
-0.74%
1M
4.90%
YTD
10.35%
6M
10.28%
1Y
26.52%
3Y*
20.83%
5Y*
12.30%
10Y*
13.66%
*Multi-year figures are annualized to reflect compound growth (CAGR)

TLMIX Monthly Returns History

Based on dividend-adjusted daily data since Jan 2, 2014, TLMIX's average daily return is 0.00%, while the average monthly return is +0.10%. At this rate, an investment would double in approximately 57.8 years.

Historically, 68% of months were positive and 32% were negative. The best month was Nov 2023 with a return of +1.6%, while the worst month was Jan 2022 at -1.2%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 5 months.

On a daily basis, TLMIX closed higher 16% of trading days. The best single day was Apr 10, 2025 with a return of +0.7%, while the worst single day was Apr 7, 2025 at -0.6%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.51%0.60%-0.65%0.27%0.27%0.00%1.01%
20250.52%0.44%0.02%-0.14%0.44%0.53%0.52%0.52%0.27%0.02%0.19%0.35%3.74%
20240.02%0.10%0.10%-0.06%0.27%0.53%0.70%0.62%0.36%-0.22%0.36%-0.06%2.75%
20230.86%-0.72%1.07%-0.34%-0.28%0.58%0.24%0.08%-0.58%0.00%1.63%0.69%3.25%
2022-1.18%-0.19%-1.02%-0.59%0.59%-0.07%0.70%-0.87%-1.18%0.08%1.27%0.02%-2.46%
20210.12%-0.19%0.11%0.12%0.03%-0.12%0.19%-0.05%-0.13%-0.13%0.04%-0.04%-0.05%

Benchmark Metrics

Thornburg Short Duration Municipal Fund has an annualized alpha of 1.14%, beta of 0.00, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since January 03, 2014.

  • This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (4.70%) than losses (2.63%) - typical of diversified or defensive assets.
  • Beta of 0.00 may look defensive, but with R2 of 0.00 this fund is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this fund's risk.
  • R2 of 0.00 means this fund moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
1.14%
Beta
0.00
0.00
Upside Capture
4.70%
Downside Capture
2.63%

Expense Ratio

TLMIX has an expense ratio of 0.50%, placing it in the medium range.


Return for Risk

Risk / Return Rank

TLMIX ranks 85 for risk / return — in the top 85% of mutual funds on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.


TLMIX Risk / Return Rank: 8585
Overall Rank
TLMIX Sharpe Ratio Rank: 8787
Sharpe Ratio Rank
TLMIX Sortino Ratio Rank: 9797
Sortino Ratio Rank
TLMIX Omega Ratio Rank: 9898
Omega Ratio Rank
TLMIX Calmar Ratio Rank: 7676
Calmar Ratio Rank
TLMIX Martin Ratio Rank: 6464
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for Thornburg Short Duration Municipal Fund (TLMIX) and compare them to S&P 500 Index.


TLMIXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

2.87

2.24

+0.63

Sortino ratio

Return per unit of downside risk

6.01

3.07

+2.93

Omega ratio

Gain probability vs. loss probability

2.07

1.41

+0.66

Calmar ratio

Return relative to maximum drawdown

3.47

2.93

+0.54

Martin ratio

Return relative to average drawdown

12.58

13.52

-0.94

Dividends

Dividend History

Thornburg Short Duration Municipal Fund provided a 3.23% dividend yield over the last twelve months, with an annual payout of $0.38 per share.


0.00%0.50%1.00%1.50%2.00%2.50%3.00%3.50%$0.00$0.10$0.20$0.30$0.4020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.38$0.39$0.39$0.28$0.14$0.05$0.13$0.18$0.16$0.12$0.06$0.04

Dividend yield

3.23%3.25%3.30%2.34%1.15%0.44%1.07%1.45%1.33%0.99%0.47%0.32%

Monthly Dividends

The table displays the monthly dividend distributions for Thornburg Short Duration Municipal Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.03$0.03$0.03$0.03$0.03$0.00$0.16
2025$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.39
2024$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.39
2023$0.02$0.02$0.03$0.00$0.03$0.03$0.03$0.03$0.03$0.00$0.03$0.03$0.28
2022$0.00$0.01$0.01$0.01$0.01$0.01$0.01$0.02$0.00$0.02$0.02$0.02$0.14
2021$0.00$0.01$0.00$0.01$0.00$0.01$0.00$0.00$0.00$0.00$0.01$0.00$0.05

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the Thornburg Short Duration Municipal Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Thornburg Short Duration Municipal Fund was 4.15%, occurring on Oct 24, 2022. Recovery took 287 trading sessions.

The current Thornburg Short Duration Municipal Fund drawdown is 0.11%.


Related event

Drawdown

Fall

Recovery

Underwater

Bear market2022
-4.15%Oct 2022
1y 2mo1y 1mo
2y 4moAug 2021 - Dec 2023
COVID crash2020
-2.50%Mar 2020
10d4mo 6d
4mo 16dMar 2020 - Jul 2020
2025 selloff2025
-1.17%Apr 2025
2d1mo 21d
1mo 23dApr 2025 - May 2025
2026 pullback2026
-1.00%Mar 2026
25d
3mo 4dMar 2026 - now
2016 pullback2016
-0.74%Dec 2016
3mo 8d4mo 7d
7mo 15dAug 2016 - Apr 2017

Drawdown Indicators


TLMIXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-4.15%

-56.78%

+52.63%

Max Drawdown (1Y)

Largest decline over 1 year

-1.00%

-9.10%

+8.10%

Max Drawdown (3Y)

Largest decline over 3 years

-1.17%

-18.90%

+17.73%

Max Drawdown (5Y)

Largest decline over 5 years

-4.15%

-25.43%

+21.28%

Max Drawdown (10Y)

Largest decline over 10 years

-4.15%

-33.92%

+29.77%

Current Drawdown

Current decline from peak

-0.11%

-0.74%

+0.63%

Average Drawdown

Average peak-to-trough decline

-0.48%

-10.72%

+10.24%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.28%

1.97%

-1.69%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

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