BBCPX vs. VBMPX

Last updated Jun 4, 2026

BBCPX (Bridge Builder Core Plus Bond Fund) and VBMPX (Vanguard Total Bond Market Index Fund Institutional Plus Shares) are both Total Bond Market funds. Over the past 10 years, BBCPX returned 2.36%/yr vs 1.58%/yr for VBMPX. Their correlation of 0.94 suggests significant overlap in exposure. BBCPX charges 0.15%/yr vs 0.03%/yr for VBMPX.

Performance

BBCPX vs. VBMPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bridge Builder Core Plus Bond Fund (BBCPX) and Vanguard Total Bond Market Index Fund Institutional Plus Shares (VBMPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BBCPX achieves a 0.03% return, which is significantly lower than VBMPX's 0.43% return. Over the past 10 years, BBCPX has outperformed VBMPX with an annualized return of 2.36%, while VBMPX has yielded a comparatively lower 1.58% annualized return.

BBCPX

• 1D: 0.00%
• 1M: 0.61%
• YTD: 0.03%
• 6M: 0.11%
• 1Y: 6.13%
• 3Y*: 4.96%
• 5Y*: 0.85%
• 10Y*: 2.36%

VBMPX

• 1D: 0.00%
• 1M: 0.55%
• YTD: 0.43%
• 6M: 0.36%
• 1Y: 5.36%
• 3Y*: 4.06%
• 5Y*: 0.23%
• 10Y*: 1.58%

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

BBCPX vs. VBMPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BBCPX Bridge Builder Core Plus Bond Fund	0.03%	8.97%	2.28%	6.58%	-13.24%	-0.29%	9.27%	9.31%	0.34%	4.20%
VBMPX Vanguard Total Bond Market Index Fund Institutional Plus Shares	0.43%	7.18%	1.27%	5.75%	-13.14%	-1.95%	7.75%	8.74%	-0.24%	3.58%

Correlation

The correlation between BBCPX and VBMPX is 0.93, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.94
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016	0.94

The correlation between BBCPX and VBMPX has been stable across timeframes, ranging from 0.93 to 0.96 - a consistent structural relationship.

Return for Risk

BBCPX vs. VBMPX — Risk / Return Rank

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

BBCPX

BBCPX Risk / Return Rank: 25
BBCPX Sharpe Ratio Rank: 26
BBCPX Sortino Ratio Rank: 26
BBCPX Omega Ratio Rank: 25
BBCPX Calmar Ratio Rank: 25
BBCPX Martin Ratio Rank: 22

VBMPX

VBMPX Risk / Return Rank: 23
VBMPX Sharpe Ratio Rank: 23
VBMPX Sortino Ratio Rank: 24
VBMPX Omega Ratio Rank: 22
VBMPX Calmar Ratio Rank: 25
VBMPX Martin Ratio Rank: 21

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.

BBCPX vs. VBMPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bridge Builder Core Plus Bond Fund (BBCPX) and Vanguard Total Bond Market Index Fund Institutional Plus Shares (VBMPX). 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.

	BBCPX	VBMPX	Difference
Sharpe ratio: Return per unit of total volatility	1.44	1.36	+0.08
Sortino ratio: Return per unit of downside risk	2.12	2.05	+0.07
Omega ratio: Gain probability vs. loss probability	1.26	1.24	+0.02
Calmar ratio: Return relative to maximum drawdown	1.86	1.86	-0.01
Martin ratio: Return relative to average drawdown	5.62	5.61	+0.02
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BBCPX vs. VBMPX - Sharpe Ratio Comparison

The current BBCPX Sharpe Ratio is 1.44, which is comparable to the VBMPX Sharpe Ratio of 1.36. The chart below compares the historical Sharpe Ratios of BBCPX and VBMPX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BBCPX	VBMPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.44	1.36	+0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.14	0.04	+0.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.49	0.32	+0.17
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.52	+0.01

Drawdowns

BBCPX vs. VBMPX - Drawdown Comparison

The maximum BBCPX drawdown since its inception was -18.25%, roughly equal to the maximum VBMPX drawdown of -18.90%. Use the drawdown chart below to compare losses from any high point for BBCPX and VBMPX.

Drawdown Indicators

	BBCPX	VBMPX	Difference
Max Drawdown Largest peak-to-trough decline	-18.25%	-18.90%	+0.65%
Max Drawdown (1Y) Largest decline over 1 year	-3.41%	-2.89%	-0.52%
Max Drawdown (3Y) Largest decline over 3 years	-6.19%	-5.99%	-0.20%
Max Drawdown (5Y) Largest decline over 5 years	-18.25%	-18.12%	-0.13%
Max Drawdown (10Y) Largest decline over 10 years	-18.25%	-18.90%	+0.65%
Current Drawdown Current decline from peak	-1.55%	-2.23%	+0.68%
Average Drawdown Average peak-to-trough decline	-3.79%	-3.53%	-0.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.11%	0.96%	+0.15%

Volatility

BBCPX vs. VBMPX - Volatility Comparison

Bridge Builder Core Plus Bond Fund (BBCPX) has a higher volatility of 1.66% compared to Vanguard Total Bond Market Index Fund Institutional Plus Shares (VBMPX) at 1.38%. This indicates that BBCPX's price experiences larger fluctuations and is considered to be riskier than VBMPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BBCPX	VBMPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.66%	1.38%	+0.28%
Volatility (6M) Calculated over the trailing 6-month period	3.27%	2.80%	+0.47%
Volatility (1Y) Calculated over the trailing 1-year period	4.40%	3.97%	+0.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.00%	6.02%	-0.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.89%	4.98%	-0.09%

BBCPX vs. VBMPX - Expense Ratio Comparison

BBCPX has a 0.15% expense ratio, which is higher than VBMPX's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

BBCPX vs. VBMPX - Dividend Comparison

BBCPX's dividend yield for the trailing twelve months is around 4.51%, more than VBMPX's 4.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BBCPX Bridge Builder Core Plus Bond Fund	4.51%	4.79%	4.93%	4.12%	2.96%	2.39%	4.70%	5.00%	3.47%	2.71%	0.64%	0.00%
VBMPX Vanguard Total Bond Market Index Fund Institutional Plus Shares	4.00%	3.88%	3.69%	3.11%	2.61%	1.81%	2.41%	2.75%	2.58%	2.58%	2.55%	2.85%

Frequently Asked Questions

Can I hold both BBCPX and VBMPX in my portfolio?

With a correlation of 0.93, BBCPX and VBMPX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, BBCPX or VBMPX?

BBCPX has higher volatility (1.66%) compared to VBMPX (1.38%). In terms of maximum drawdown, BBCPX dropped -18.25% vs VBMPX's -18.90%.

Which has better risk-adjusted returns?

BBCPX currently has the higher Sharpe Ratio (1.44 vs 1.36), 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.