BQMGX vs. BBGSX

Last updated Aug 1, 2026

BQMGX (Bright Rock Mid Cap Growth Fund) and BBGSX (Bridge Builder Small/Mid Cap Growth Fund) are both Mid Cap Growth Equities funds. Over the past 10 years, BQMGX returned 8.95%/yr vs 10.09%/yr for BBGSX. Their correlation of 0.86 means they have usually moved in the same direction. BQMGX charges 1.07%/yr vs 0.38%/yr for BBGSX.

Performance

BQMGX vs. BBGSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bright Rock Mid Cap Growth Fund (BQMGX) and Bridge Builder Small/Mid Cap Growth Fund (BBGSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BQMGX achieves a 0.68% return, which is significantly lower than BBGSX's 6.88% return. Over the past 10 years, BQMGX has underperformed BBGSX with an annualized return of 8.95%, while BBGSX has yielded a comparatively higher 10.09% annualized return.

BQMGX

• 1D: -0.46%
• 1M: 0.13%
• 6M: -1.08%
• YTD: 0.68%
• 1Y: -1.53%
• 3Y*: 4.91%
• 5Y*: 2.40%
• 10Y*: 8.95%
• ALL TIME*: 9.42%

BBGSX

• 1D: 1.58%
• 1M: -3.76%
• 6M: 2.59%
• YTD: 6.88%
• 1Y: 6.09%
• 3Y*: 8.29%
• 5Y*: 1.38%
• 10Y*: 10.09%
• ALL TIME*: 10.45%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
BBGSX Bridge Builder Small/Mid Cap Growth Fund	$0.00	$0.00	$0.00
BQMGX Bright Rock Mid Cap Growth Fund	$0.00	$0.00	$0.00

BQMGX vs. BBGSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BQMGX Bright Rock Mid Cap Growth Fund	0.68%	-0.29%	14.16%	13.00%	-19.44%	23.02%	19.62%	32.05%	-6.68%	22.16%
BBGSX Bridge Builder Small/Mid Cap Growth Fund	6.88%	0.99%	14.47%	20.98%	-29.84%	16.57%	34.41%	29.01%	-2.18%	21.47%

Correlation

The correlation between BQMGX and BBGSX is 0.60, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.60
Correlation (3Y) Balances recent behavior with more history.	0.74
Correlation (5Y) Shows whether the relationship held over a longer period.	0.83
Correlation (10Y) Provides a long-term view across more market conditions.	0.86
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016	0.86

Over the past year, the correlation between BQMGX and BBGSX has dropped to 0.60 - well below their long-term average of 0.86, suggesting their price drivers have been diverging.

Return for Risk

BQMGX vs. BBGSX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

BQMGX

BQMGX Risk / Return Rank: 3
BQMGX Sharpe Ratio Rank: 3
BQMGX Sortino Ratio Rank: 2
BQMGX Omega Ratio Rank: 2
BQMGX Calmar Ratio Rank: 3
BQMGX Martin Ratio Rank: 3

BBGSX

BBGSX Risk / Return Rank: 8
BBGSX Sharpe Ratio Rank: 8
BBGSX Sortino Ratio Rank: 8
BBGSX Omega Ratio Rank: 8
BBGSX Calmar Ratio Rank: 8
BBGSX Martin Ratio Rank: 8

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.

BQMGX vs. BBGSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bright Rock Mid Cap Growth Fund (BQMGX) and Bridge Builder Small/Mid Cap Growth Fund (BBGSX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

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.

	BQMGX	BBGSX	Difference
Sharpe ratio: Return per unit of total volatility	-0.23	0.21	-0.44
Sortino ratio: Return per unit of downside risk	-0.25	0.42	-0.67
Omega ratio: Gain probability vs. loss probability	0.97	1.05	-0.08
Calmar ratio: Return relative to maximum drawdown	-0.25	0.23	-0.48
Martin ratio: Return relative to average drawdown	-0.53	0.68	-1.20

BQMGX vs. BBGSX - Sharpe Ratio Comparison

The current BQMGX Sharpe Ratio is -0.23, which is lower than the BBGSX Sharpe Ratio of 0.21. The chart below compares the historical Sharpe Ratios of BQMGX and BBGSX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BQMGX vs. BBGSX - Drawdown Comparison

The maximum BQMGX drawdown since its inception was -36.05%, smaller than the maximum BBGSX drawdown of -37.95%. Use the drawdown chart below to compare losses from any high point for BQMGX and BBGSX.

Drawdown Indicators

	BQMGX	BBGSX	Difference
Max Drawdown Largest peak-to-trough decline	-36.05%	-37.95%	+1.90%
Max Drawdown (1Y) Largest decline over 1 year	-11.62%	-16.72%	+5.10%
Max Drawdown (3Y) Largest decline over 3 years	-18.72%	-26.11%	+7.39%
Max Drawdown (5Y) Largest decline over 5 years	-25.92%	-37.95%	+12.03%
Max Drawdown (10Y) Largest decline over 10 years	-36.05%	-37.95%	+1.90%
Current Drawdown Current decline from peak	-5.45%	-5.64%	+0.19%
Average Drawdown Average peak-to-trough decline	-5.88%	-9.46%	+3.58%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.50%	5.65%	-0.15%

Volatility

BQMGX vs. BBGSX - Volatility Comparison

The current volatility for Bright Rock Mid Cap Growth Fund (BQMGX) is 3.31%, while Bridge Builder Small/Mid Cap Growth Fund (BBGSX) has a volatility of 4.22%. This indicates that BQMGX experiences smaller price fluctuations and is considered to be less risky than BBGSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BQMGX	BBGSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.31%	4.22%	-0.91%
Volatility (6M) Calculated over the trailing 6-month period	9.42%	14.48%	-5.06%
Volatility (1Y) Calculated over the trailing 1-year period	12.41%	18.86%	-6.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.86%	21.88%	-5.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.92%	20.98%	-3.06%

BQMGX vs. BBGSX - Expense Ratio Comparison

BQMGX has a 1.07% expense ratio, which is higher than BBGSX's 0.38% expense ratio.

Dividends

BQMGX vs. BBGSX - Dividend Comparison

BQMGX's dividend yield for the trailing twelve months is around 4.09%, while BBGSX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BBGSX Bridge Builder Small/Mid Cap Growth Fund	0.00%	0.00%	0.58%	0.32%	0.19%	18.00%	12.59%	4.07%	6.12%	1.09%	0.36%	0.00%
BQMGX Bright Rock Mid Cap Growth Fund	4.09%	4.12%	5.99%	0.00%	5.90%	8.05%	5.27%	3.50%	0.00%	0.08%	1.07%	5.80%

Frequently Asked Questions

Can I hold both BQMGX and BBGSX in my portfolio?

BQMGX and BBGSX have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BQMGX or BBGSX?

BBGSX has higher volatility (4.22%) compared to BQMGX (3.31%). In terms of maximum drawdown, BQMGX dropped -36.05% vs BBGSX's -37.95%.

Which has better risk-adjusted returns?

BBGSX currently has the higher Sharpe Ratio (0.21 vs -0.23), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.