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ISIN
US10803R8016
Inception Date
Sep 13, 2015
Min. Investment
$0
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

BBMUX Performance Chart

Bridge Builder Municipal Bond Fund (BBMUX) is up 1.2% since the beginning of the year. BBMUX is currently trading at $10 per share. Investors who bought $1,000 worth of BBMUX shares 5 years ago would now be looking at an investment worth $1,051.


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S&P 500 Index

Returns By Period

Bridge Builder Municipal Bond Fund (BBMUX) has returned 1.23% so far this year and 6.22% over the past 12 months. Over the last ten years, BBMUX has returned 2.00% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


Bridge Builder Municipal Bond Fund

1D
0.00%
1M
1.33%
YTD
1.23%
6M
1.65%
1Y
6.22%
3Y*
3.77%
5Y*
1.00%
10Y*
2.00%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.64%
1Y
25.22%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

BBMUX Monthly Returns History

Based on dividend-adjusted daily data since Sep 21, 2015, BBMUX's average daily return is +0.01%, while the average monthly return is +0.19%. At this rate, an investment would double in approximately 30.4 years.

Historically, 66% of months were positive and 34% were negative. The best month was Nov 2023 with a return of +4.9%, while the worst month was Mar 2020 at -4.5%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 4 months.

On a daily basis, BBMUX closed higher 32% of trading days. The best single day was Mar 25, 2020 with a return of +2.9%, while the worst single day was Mar 19, 2020 at -2.5%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.70%1.18%-2.25%1.01%0.42%0.20%1.23%
20250.70%0.77%-1.30%-0.41%0.21%0.82%0.01%0.83%1.84%1.02%0.31%0.21%5.10%
2024-0.13%0.16%0.08%-0.73%-0.22%1.02%0.79%0.79%0.88%-1.21%1.31%-1.20%1.50%
20232.73%-1.88%1.69%-0.30%-0.67%0.86%0.35%-1.02%-2.01%-1.05%4.86%2.11%5.56%
2022-2.35%-0.52%-2.72%-2.39%1.12%-1.81%2.15%-1.90%-3.27%-0.72%4.09%0.05%-8.23%
20210.74%-1.23%0.54%0.81%0.45%0.34%0.62%-0.21%-0.68%-0.21%0.81%0.07%2.04%

Benchmark Metrics

Bridge Builder Municipal Bond Fund has an annualized alpha of 1.94%, beta of 0.02, and R2 of 0.01 versus S&P 500 Index. Calculated based on daily prices since September 21, 2015.

  • This fund participated in 15.46% of S&P 500 Index downside but only 12.47% of its upside - more exposed to losses than it benefited from rallies.
  • Beta of 0.02 may look defensive, but with R2 of 0.01 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 0.01 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
1.94%
Beta
0.02
0.01
Upside Capture
12.47%
Downside Capture
15.46%

Expense Ratio

BBMUX has an expense ratio of 0.15%, which is considered low.


Return for Risk

Risk / Return Rank

BBMUX ranks 70 for risk / return — better than 70% of mutual funds on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.


BBMUX Risk / Return Rank: 7070
Overall Rank
BBMUX Sharpe Ratio Rank: 8989
Sharpe Ratio Rank
BBMUX Sortino Ratio Rank: 9393
Sortino Ratio Rank
BBMUX Omega Ratio Rank: 9494
Omega Ratio Rank
BBMUX Calmar Ratio Rank: 3838
Calmar Ratio Rank
BBMUX Martin Ratio Rank: 3535
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 Bridge Builder Municipal Bond Fund (BBMUX) and compare them to S&P 500 Index.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.


BBMUXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

+0.69

Sortino ratioReturn per unit of downside risk

+1.66

Omega ratioGain probability vs. loss probability

1.72

1.37

+0.35

Calmar ratioReturn relative to maximum drawdown

2.25

2.78

-0.53

Martin ratioReturn relative to average drawdown

7.45

12.44

-4.99

Dividends

Dividend History

Bridge Builder Municipal Bond Fund provided a 3.37% dividend yield over the last twelve months, with an annual payout of $0.34 per share. The fund has been increasing its distributions for 3 consecutive years.


0.00%1.00%2.00%3.00%4.00%$0.00$0.10$0.20$0.30$0.4020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.34$0.36$0.28$0.22$0.18$0.21$0.23$0.28$0.24$0.20$0.03$0.01

Dividend yield

3.37%3.61%2.81%2.21%1.82%1.93%2.10%2.61%2.35%1.95%0.35%0.06%

Monthly Dividends

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


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.03$0.03$0.03$0.03$0.00$0.12
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$0.36
2024$0.03$0.03$0.03$0.03$0.03$0.00$0.03$0.03$0.03$0.03$0.03$0.00$0.28
2023$0.02$0.02$0.02$0.00$0.02$0.02$0.02$0.00$0.02$0.00$0.03$0.03$0.22
2022$0.02$0.02$0.02$0.02$0.00$0.00$0.00$0.02$0.02$0.02$0.02$0.03$0.18
2021$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.21

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 Bridge Builder Municipal Bond 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 Bridge Builder Municipal Bond Fund was 12.65%, occurring on Oct 25, 2022. Recovery took 717 trading sessions.

The current Bridge Builder Municipal Bond Fund drawdown is 0.64%.


Related event

Drawdown

Fall

Recovery

Underwater

Bear market2022
-12.65%Oct 2022
1y 2mo2y 10mo
4y 1moAug 2021 - Sep 2025
COVID crash2020
-10.29%Mar 2020
10d8mo 2d
8mo 12dMar 2020 - Nov 2020
2016 pullback2016
-5.09%Dec 2016
4mo 23d9mo 3d
1y 1moJul 2016 - Aug 2017
2026 pullback2026
-2.85%Mar 2026
25d
3mo 23dMar 2026 - now
2021 pullback2021
-1.75%Feb 2021
9d3mo
3mo 9dFeb 2021 - May 2021

Drawdown Indicators


BBMUXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-12.65%

-56.78%

+44.13%

Max Drawdown (1Y)

Largest decline over 1 year

-2.85%

-9.10%

+6.25%

Max Drawdown (3Y)

Largest decline over 3 years

-4.18%

-18.90%

+14.72%

Max Drawdown (5Y)

Largest decline over 5 years

-12.65%

-25.43%

+12.78%

Max Drawdown (10Y)

Largest decline over 10 years

-12.65%

-33.92%

+21.27%

Current Drawdown

Current decline from peak

-0.64%

-1.80%

+1.16%

Average Drawdown

Average peak-to-trough decline

-2.26%

-10.71%

+8.45%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.85%

2.03%

-1.18%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

Build a portfolio with BBMUX

Add Bridge Builder Municipal Bond Fund to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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