BOSVX vs. BRSIX

Last updated Jun 23, 2026

BOSVX (Bridgeway Omni Small-Cap Value Fund) and BRSIX (Bridgeway Ultra Small Company Market Fund) are both Small Cap Value Equities funds from Bridgeway. Over the past 10 years, BOSVX returned 11.56%/yr vs 8.54%/yr for BRSIX. Their correlation of 0.87 suggests significant overlap in exposure. BOSVX charges 0.60%/yr vs 0.78%/yr for BRSIX.

Performance

BOSVX vs. BRSIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bridgeway Omni Small-Cap Value Fund (BOSVX) and Bridgeway Ultra Small Company Market Fund (BRSIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with BOSVX having a 20.67% return and BRSIX slightly lower at 19.73%. Over the past 10 years, BOSVX has outperformed BRSIX with an annualized return of 11.56%, while BRSIX has yielded a comparatively lower 8.54% annualized return.

BOSVX

• 1D: 1.06%
• 1M: 2.43%
• YTD: 20.67%
• 6M: 18.20%
• 1Y: 44.73%
• 3Y*: 18.44%
• 5Y*: 11.31%
• 10Y*: 11.56%

BRSIX

• 1D: 2.05%
• 1M: 1.88%
• YTD: 19.73%
• 6M: 17.66%
• 1Y: 57.56%
• 3Y*: 20.38%
• 5Y*: 0.42%
• 10Y*: 8.54%

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

BOSVX vs. BRSIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BOSVX Bridgeway Omni Small-Cap Value Fund	20.67%	9.78%	4.21%	18.18%	-4.27%	48.03%	0.83%	13.90%	-17.15%	5.91%
BRSIX Bridgeway Ultra Small Company Market Fund	19.73%	20.09%	14.92%	11.46%	-23.43%	-1.93%	25.50%	15.34%	-17.23%	12.29%

Correlation

The correlation between BOSVX and BRSIX is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (10Y) Calculated over the trailing 10-year period	0.84
Correlation (All Time) Calculated using the full available price history since Aug 31, 2011	0.87

The correlation between BOSVX and BRSIX has been stable across timeframes, ranging from 0.78 to 0.87 - a consistent structural relationship.

Return for Risk

BOSVX vs. BRSIX — Risk / Return Rank

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

BOSVX

BOSVX Risk / Return Rank: 77
BOSVX Sharpe Ratio Rank: 70
BOSVX Sortino Ratio Rank: 69
BOSVX Omega Ratio Rank: 62
BOSVX Calmar Ratio Rank: 95
BOSVX Martin Ratio Rank: 88

BRSIX

BRSIX Risk / Return Rank: 76
BRSIX Sharpe Ratio Rank: 78
BRSIX Sortino Ratio Rank: 66
BRSIX Omega Ratio Rank: 55
BRSIX Calmar Ratio Rank: 94
BRSIX Martin Ratio Rank: 86

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.

BOSVX vs. BRSIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bridgeway Omni Small-Cap Value Fund (BOSVX) and Bridgeway Ultra Small Company Market Fund (BRSIX). 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.

	BOSVX	BRSIX	Difference
Sharpe ratio: Return per unit of total volatility	2.24	2.37	-0.13
Sortino ratio: Return per unit of downside risk	3.15	3.09	+0.06
Omega ratio: Gain probability vs. loss probability	1.40	1.37	+0.02
Calmar ratio: Return relative to maximum drawdown	5.37	4.98	+0.39
Martin ratio: Return relative to average drawdown	15.71	14.96	+0.75

BOSVX vs. BRSIX - Sharpe Ratio Comparison

The current BOSVX Sharpe Ratio is 2.24, which is comparable to the BRSIX Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of BOSVX and BRSIX, 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

BOSVX vs. BRSIX - Drawdown Comparison

The maximum BOSVX drawdown since its inception was -57.14%, smaller than the maximum BRSIX drawdown of -61.79%. Use the drawdown chart below to compare losses from any high point for BOSVX and BRSIX.

Drawdown Indicators

	BOSVX	BRSIX	Difference
Max Drawdown Largest peak-to-trough decline	-57.14%	-61.79%	+4.65%
Max Drawdown (1Y) Largest decline over 1 year	-8.27%	-11.46%	+3.19%
Max Drawdown (3Y) Largest decline over 3 years	-28.71%	-30.80%	+2.09%
Max Drawdown (5Y) Largest decline over 5 years	-28.71%	-53.66%	+24.95%
Max Drawdown (10Y) Largest decline over 10 years	-57.14%	-54.09%	-3.05%
Current Drawdown Current decline from peak	-2.23%	-2.76%	+0.53%
Average Drawdown Average peak-to-trough decline	-8.55%	-15.62%	+7.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.82%	3.81%	-0.99%

Volatility

BOSVX vs. BRSIX - Volatility Comparison

The current volatility for Bridgeway Omni Small-Cap Value Fund (BOSVX) is 5.03%, while Bridgeway Ultra Small Company Market Fund (BRSIX) has a volatility of 8.21%. This indicates that BOSVX experiences smaller price fluctuations and is considered to be less risky than BRSIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BOSVX	BRSIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.03%	8.21%	-3.18%
Volatility (6M) Calculated over the trailing 6-month period	13.55%	16.17%	-2.62%
Volatility (1Y) Calculated over the trailing 1-year period	19.80%	24.03%	-4.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.59%	24.60%	-2.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.06%	24.19%	+0.87%

BOSVX vs. BRSIX - Expense Ratio Comparison

BOSVX has a 0.60% expense ratio, which is lower than BRSIX's 0.78% expense ratio.

Dividends

BOSVX vs. BRSIX - Dividend Comparison

BOSVX's dividend yield for the trailing twelve months is around 8.27%, more than BRSIX's 0.86% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BOSVX Bridgeway Omni Small-Cap Value Fund	8.27%	9.99%	9.71%	8.55%	21.96%	4.12%	1.21%	0.99%	10.36%	6.66%	0.89%	1.00%
BRSIX Bridgeway Ultra Small Company Market Fund	0.86%	1.03%	0.62%	0.89%	2.12%	1.32%	3.46%	1.30%	16.12%	13.71%	8.25%	12.77%

Frequently Asked Questions

Can I hold both BOSVX and BRSIX in my portfolio?

BOSVX and BRSIX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BOSVX or BRSIX?

BRSIX has higher volatility (8.21%) compared to BOSVX (5.03%). In terms of maximum drawdown, BOSVX dropped -57.14% vs BRSIX's -61.79%.

Which has better risk-adjusted returns?

BRSIX currently has the higher Sharpe Ratio (2.37 vs 2.24), 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.