BQMGX vs. TGFRX

Last updated Jun 24, 2026

BQMGX (Bright Rock Mid Cap Growth Fund) and TGFRX (Tanaka Growth Fund) are both Mid Cap Growth Equities funds. Over the past 10 years, BQMGX returned 9.05%/yr vs 16.22%/yr for TGFRX. A 0.72 correlation means they provide meaningful diversification when combined. BQMGX charges 1.07%/yr vs 2.19%/yr for TGFRX.

Performance

BQMGX vs. TGFRX - Performance Comparison

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

Returns By Period

In the year-to-date period, BQMGX achieves a -2.93% return, which is significantly lower than TGFRX's 17.74% return. Over the past 10 years, BQMGX has underperformed TGFRX with an annualized return of 9.05%, while TGFRX has yielded a comparatively higher 16.22% annualized return.

BQMGX

• 1D: -0.09%
• 1M: 0.31%
• YTD: -2.93%
• 6M: -4.11%
• 1Y: -2.85%
• 3Y*: 5.22%
• 5Y*: 2.65%
• 10Y*: 9.05%

TGFRX

• 1D: 0.16%
• 1M: 4.27%
• YTD: 17.74%
• 6M: 7.23%
• 1Y: 57.70%
• 3Y*: 32.27%
• 5Y*: 14.96%
• 10Y*: 16.22%

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

BQMGX vs. TGFRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BQMGX Bright Rock Mid Cap Growth Fund	-2.93%	-0.29%	14.16%	13.00%	-19.44%	23.02%	19.62%	32.05%	-6.68%	22.16%
TGFRX Tanaka Growth Fund	17.74%	39.56%	17.98%	50.24%	-22.62%	26.54%	50.87%	18.78%	-25.18%	7.28%

Correlation

The correlation between BQMGX and TGFRX is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.56
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (10Y) Calculated over the trailing 10-year period	0.68
Correlation (All Time) Calculated using the full available price history since May 26, 2010	0.72

Over the past year, the correlation between BQMGX and TGFRX has dropped to 0.40 - well below their long-term average of 0.72, suggesting their price drivers have been diverging.

Return for Risk

BQMGX vs. TGFRX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BQMGX

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

TGFRX

TGFRX Risk / Return Rank: 53
TGFRX Sharpe Ratio Rank: 52
TGFRX Sortino Ratio Rank: 43
TGFRX Omega Ratio Rank: 41
TGFRX Calmar Ratio Rank: 84
TGFRX Martin Ratio Rank: 47

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.

BQMGX vs. TGFRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bright Rock Mid Cap Growth Fund (BQMGX) and Tanaka Growth Fund (TGFRX). 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	TGFRX	Difference
Sharpe ratio: Return per unit of total volatility	-0.14	1.95	-2.10
Sortino ratio: Return per unit of downside risk	-0.12	2.54	-2.66
Omega ratio: Gain probability vs. loss probability	0.99	1.32	-0.33
Calmar ratio: Return relative to maximum drawdown	-0.15	3.72	-3.87
Martin ratio: Return relative to average drawdown	-0.33	9.33	-9.66

BQMGX vs. TGFRX - Sharpe Ratio Comparison

The current BQMGX Sharpe Ratio is -0.14, which is lower than the TGFRX Sharpe Ratio of 1.95. The chart below compares the historical Sharpe Ratios of BQMGX and TGFRX, 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. TGFRX - Drawdown Comparison

The maximum BQMGX drawdown since its inception was -36.05%, smaller than the maximum TGFRX drawdown of -74.43%. Use the drawdown chart below to compare losses from any high point for BQMGX and TGFRX.

Drawdown Indicators

	BQMGX	TGFRX	Difference
Max Drawdown Largest peak-to-trough decline	-36.05%	-74.43%	+38.38%
Max Drawdown (1Y) Largest decline over 1 year	-11.62%	-16.01%	+4.39%
Max Drawdown (3Y) Largest decline over 3 years	-18.72%	-61.68%	+42.96%
Max Drawdown (5Y) Largest decline over 5 years	-25.92%	-61.68%	+35.76%
Max Drawdown (10Y) Largest decline over 10 years	-36.05%	-61.68%	+25.63%
Current Drawdown Current decline from peak	-8.84%	-27.59%	+18.75%
Average Drawdown Average peak-to-trough decline	-5.88%	-29.60%	+23.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.19%	6.36%	-1.17%

Volatility

BQMGX vs. TGFRX - Volatility Comparison

The current volatility for Bright Rock Mid Cap Growth Fund (BQMGX) is 3.35%, while Tanaka Growth Fund (TGFRX) has a volatility of 9.98%. This indicates that BQMGX experiences smaller price fluctuations and is considered to be less risky than TGFRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BQMGX	TGFRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.35%	9.98%	-6.63%
Volatility (6M) Calculated over the trailing 6-month period	9.31%	23.74%	-14.43%
Volatility (1Y) Calculated over the trailing 1-year period	12.30%	30.52%	-18.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.85%	62.19%	-45.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.99%	47.47%	-29.48%

BQMGX vs. TGFRX - Expense Ratio Comparison

BQMGX has a 1.07% expense ratio, which is lower than TGFRX's 2.19% expense ratio.

Dividends

BQMGX vs. TGFRX - Dividend Comparison

BQMGX's dividend yield for the trailing twelve months is around 4.24%, less than TGFRX's 11.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BQMGX Bright Rock Mid Cap Growth Fund	4.24%	4.12%	5.99%	0.00%	5.90%	8.05%	5.27%	3.50%	0.00%	0.08%	1.07%	5.80%
TGFRX Tanaka Growth Fund	11.06%	13.02%	6.89%	0.00%	0.11%	7.44%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BQMGX and TGFRX in my portfolio?

BQMGX and TGFRX have a correlation of 0.40, 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 TGFRX?

TGFRX has higher volatility (9.98%) compared to BQMGX (3.35%). In terms of maximum drawdown, BQMGX dropped -36.05% vs TGFRX's -74.43%.

Which has better risk-adjusted returns?

TGFRX currently has the higher Sharpe Ratio (1.95 vs -0.14), 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.