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ISIN
US1152335873
CUSIP
115233587
Inception Date
Dec 25, 2013
Min. Investment
$100
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

BIAZX Performance Chart

Brown Advisory Mortgage Securities Fund (BIAZX) is down 0.1% since the beginning of the year. BIAZX is currently trading at $9 per share. Investors who bought $1,000 worth of BIAZX shares 5 years ago would now be looking at an investment worth $1,010.


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Benchmark

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Returns By Period

Brown Advisory Mortgage Securities Fund (BIAZX) has returned -0.07% so far this year and 3.36% over the past 12 months. Over the last ten years, BIAZX has returned 1.44% per year, falling short of the S&P 500 Index benchmark, which averaged 13.26% annually.


Brown Advisory Mortgage Securities Fund

1D
0.11%
1M
-0.88%
6M
-0.62%
YTD
-0.07%
1Y
3.36%
3Y*
3.97%
5Y*
0.20%
10Y*
1.44%
ALL TIME*
1.95%

Benchmark (S&P 500 Index)

1D
0.70%
1M
0.09%
6M
7.94%
YTD
9.41%
1Y
20.07%
3Y*
17.84%
5Y*
11.25%
10Y*
13.26%
ALL TIME*
8.09%
*Multi-year figures are annualized to reflect compound growth (CAGR)

BIAZX Monthly Returns History

Based on dividend-adjusted daily data since Dec 30, 2013, BIAZX's average daily return is +0.01%, while the average monthly return is +0.17%. At this rate, an investment would double in approximately 34.0 years.

Historically, 61% of months were positive and 39% were negative. The best month was Nov 2023 with a return of +4.6%, while the worst month was Sep 2022 at -4.2%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 9 months.

On a daily basis, BIAZX closed higher 40% of trading days. The best single day was Nov 10, 2022 with a return of +2.1%, while the worst single day was Sep 26, 2022 at -1.4%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.55%1.62%-1.86%0.13%0.25%0.16%-0.88%-0.07%
20250.41%2.36%0.03%0.38%-0.95%1.60%-0.36%1.60%1.18%0.83%0.68%-0.01%7.99%
2024-0.31%-1.43%0.81%-2.75%1.76%1.13%2.54%1.56%1.19%-2.75%1.22%-1.52%1.28%
20232.96%-2.21%1.72%0.61%-0.85%-0.59%-0.11%-0.76%-2.81%-1.94%4.57%3.98%4.34%
2022-1.43%-0.98%-2.27%-2.04%0.35%-1.13%1.83%-2.53%-4.20%-1.87%3.43%-0.13%-10.64%
20210.19%-0.38%-0.19%0.57%0.05%0.01%0.32%-0.01%-0.36%-0.22%-0.06%-0.23%-0.30%

Benchmark Metrics

Brown Advisory Mortgage Securities Fund has an annualized alpha of 1.94%, beta of 0.01, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since December 30, 2013.

  • This fund participated in 10.64% of S&P 500 Index downside but only 10.53% of its upside - more exposed to losses than it benefited from rallies.
  • Beta of 0.01 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
1.94%
Beta
0.01
0.00
Upside Capture
10.53%
Downside Capture
10.64%

Expense Ratio

BIAZX has an expense ratio of 0.49%, placing it in the medium range.


Return for Risk

Risk / Return Rank

BIAZX ranks 28 for risk / return — above 28% of mutual funds peers on PortfoliosLab. Its historical combined result is below the peer median.


BIAZX Risk / Return Rank: 2828
Overall Rank
BIAZX Sharpe Ratio Rank: 3030
Sharpe Ratio Rank
BIAZX Sortino Ratio Rank: 2929
Sortino Ratio Rank
BIAZX Omega Ratio Rank: 2828
Omega Ratio Rank
BIAZX Calmar Ratio Rank: 2828
Calmar Ratio Rank
BIAZX Martin Ratio Rank: 2424
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

Risk / Return Metrics

The table below present risk-adjusted performance metrics for Brown Advisory Mortgage Securities Fund (BIAZX) 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.


BIAZXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-0.36

Sortino ratioReturn per unit of downside risk

-0.43

Omega ratioGain probability vs. loss probability

1.19

1.25

-0.06

Calmar ratioReturn relative to maximum drawdown

1.36

2.00

-0.64

Martin ratioReturn relative to average drawdown

3.67

8.49

-4.82

Dividends

Dividend History

Brown Advisory Mortgage Securities Fund provided a 4.16% dividend yield over the last twelve months, with an annual payout of $0.37 per share. The fund has been increasing its distributions for 4 consecutive years.


1.00%2.00%3.00%4.00%$0.00$0.10$0.20$0.30$0.4020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.37$0.41$0.39$0.33$0.21$0.08$0.10$0.21$0.27$0.20$0.28$0.36

Dividend yield

4.16%4.43%4.43%3.65%2.33%0.75%0.98%2.12%2.77%2.03%2.82%3.59%

Monthly Dividends

The table displays the monthly dividend distributions for Brown Advisory Mortgage Securities 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$0.04$0.03$0.03$0.03$0.00$0.20
2025$0.03$0.03$0.03$0.03$0.03$0.03$0.04$0.03$0.04$0.04$0.03$0.04$0.41
2024$0.03$0.03$0.03$0.03$0.03$0.03$0.04$0.03$0.03$0.04$0.03$0.04$0.39
2023$0.02$0.02$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.33
2022$0.00$0.01$0.02$0.02$0.01$0.02$0.02$0.02$0.02$0.02$0.02$0.03$0.21
2021$0.00$0.00$0.00$0.00$0.01$0.01$0.00$0.01$0.01$0.01$0.01$0.02$0.08

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 Brown Advisory Mortgage Securities 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 Brown Advisory Mortgage Securities Fund was 15.95%, occurring on Oct 19, 2023. Recovery took 496 trading sessions.

The current Brown Advisory Mortgage Securities Fund drawdown is 2.20%.


Drawdown

Fall

Recovery

Underwater

Related event

-15.95%Oct 2023
2y 2mo1y 12mo
4y 2moAug 2021 - Oct 2025
-4.29%Mar 2020
15d3mo
3mo 15dMar 2020 - Jun 2020
COVID crash2020
-3.95%Dec 2016
2mo 13d8mo 23d
11mo 6dOct 2016 - Sep 2017
-3.14%May 2026
2mo 18d
5mo 3dMar 2026 - now
-2.61%May 2018
8mo 10d7mo 19d
1y 3moSep 2017 - Dec 2018

Drawdown Indicators


BIAZXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-15.95%

-56.78%

+40.83%

Max Drawdown (1Y)

Largest decline over 1 year

-3.14%

-9.10%

+5.96%

Max Drawdown (3Y)

Largest decline over 3 years

-6.00%

-18.90%

+12.90%

Max Drawdown (5Y)

Largest decline over 5 years

-15.95%

-25.43%

+9.48%

Max Drawdown (10Y)

Largest decline over 10 years

-15.95%

-33.92%

+17.97%

Current Drawdown

Current decline from peak

-2.20%

-1.58%

-0.62%

Average Drawdown

Average peak-to-trough decline

-2.83%

-10.70%

+7.87%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.16%

2.14%

-0.98%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

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