BBGLX vs. IWB
BBGLX (Bridge Builder Large Cap Growth Fund) and IWB (iShares Russell 1000 ETF) are both funds - BBGLX is a Large Cap Growth Equities fund managed by Bridge Builder, while IWB is a Large Cap Blend Equities fund tracking the Russell 1000 Index. Over the past 10 years, BBGLX returned 13.43%/yr vs 14.97%/yr for IWB. Their correlation of 0.94 suggests significant overlap in exposure. BBGLX charges 0.19%/yr vs 0.15%/yr for IWB.
Performance
BBGLX vs. IWB - Performance Comparison
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Returns By Period
In the year-to-date period, BBGLX achieves a 2.37% return, which is significantly lower than IWB's 8.46% return. Over the past 10 years, BBGLX has underperformed IWB with an annualized return of 13.43%, while IWB has yielded a comparatively higher 14.97% annualized return.
BBGLX
- 1D
- -2.55%
- 1M
- -0.82%
- YTD
- 2.37%
- 6M
- -7.50%
- 1Y
- 2.41%
- 3Y*
- 13.25%
- 5Y*
- 7.03%
- 10Y*
- 13.43%
IWB
- 1D
- 0.26%
- 1M
- 0.43%
- YTD
- 8.46%
- 6M
- 8.45%
- 1Y
- 23.94%
- 3Y*
- 21.07%
- 5Y*
- 12.59%
- 10Y*
- 14.97%
BBGLX vs. IWB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BBGLX Bridge Builder Large Cap Growth Fund | 2.37% | 2.79% | 21.45% | 32.21% | -26.82% | 23.34% | 34.84% | 33.32% | 0.10% | 25.33% |
IWB iShares Russell 1000 ETF | 8.46% | 17.18% | 24.32% | 26.39% | -19.19% | 26.32% | 20.77% | 31.06% | -4.90% | 21.52% |
Correlation
The correlation between BBGLX and IWB is 0.91, 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 | 0.91 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.89 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.93 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.94 |
Correlation (All Time) Calculated using the full available price history since Apr 30, 2015 | 0.94 |
The correlation between BBGLX and IWB has been stable across timeframes, ranging from 0.89 to 0.94 - a consistent structural relationship.
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Return for Risk
BBGLX vs. IWB — Risk / Return Rank
BBGLX
IWB
BBGLX vs. IWB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Bridge Builder Large Cap Growth Fund (BBGLX) and iShares Russell 1000 ETF (IWB). 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.
| BBGLX | IWB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.76 | ||
| Sortino ratioReturn per unit of downside risk | -2.30 | ||
| Omega ratioGain probability vs. loss probability | 1.06 | 1.36 | -0.30 |
| Calmar ratioReturn relative to maximum drawdown | 0.16 | 2.71 | -2.56 |
| Martin ratioReturn relative to average drawdown | 0.39 | 12.38 | -12.00 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| BBGLX | IWB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.22 | 1.98 | -1.76 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.36 | 0.74 | -0.38 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.70 | 0.83 | -0.13 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.64 | 0.45 | +0.19 |
Drawdowns
BBGLX vs. IWB - Drawdown Comparison
The maximum BBGLX drawdown since its inception was -32.31%, smaller than the maximum IWB drawdown of -55.38%. Use the drawdown chart below to compare losses from any high point for BBGLX and IWB.
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Drawdown Indicators
| BBGLX | IWB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -32.31% | -55.38% | +23.07% |
Max Drawdown (1Y)Largest decline over 1 year | -22.44% | -8.86% | -13.58% |
Max Drawdown (3Y)Largest decline over 3 years | -22.44% | -19.09% | -3.35% |
Max Drawdown (5Y)Largest decline over 5 years | -32.31% | -25.20% | -7.11% |
Max Drawdown (10Y)Largest decline over 10 years | -32.31% | -34.60% | +2.29% |
Current DrawdownCurrent decline from peak | -9.20% | -2.58% | -6.62% |
Average DrawdownAverage peak-to-trough decline | -6.22% | -10.85% | +4.63% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.96% | 1.94% | +7.02% |
Volatility
BBGLX vs. IWB - Volatility Comparison
Bridge Builder Large Cap Growth Fund (BBGLX) has a higher volatility of 3.95% compared to iShares Russell 1000 ETF (IWB) at 3.74%. This indicates that BBGLX's price experiences larger fluctuations and is considered to be riskier than IWB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BBGLX | IWB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.95% | 3.74% | +0.21% |
Volatility (6M)Calculated over the trailing 6-month period | 13.61% | 9.37% | +4.24% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.19% | 12.20% | +3.99% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.65% | 17.14% | +2.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.44% | 18.16% | +1.28% |
BBGLX vs. IWB - Expense Ratio Comparison
BBGLX has a 0.19% expense ratio, which is higher than IWB's 0.15% 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
BBGLX vs. IWB - Dividend Comparison
BBGLX has not paid dividends to shareholders, while IWB's dividend yield for the trailing twelve months is around 0.93%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BBGLX Bridge Builder Large Cap Growth Fund | 0.00% | 0.00% | 7.16% | 0.78% | 0.71% | 7.71% | 3.67% | 2.05% | 5.25% | 0.80% | 0.92% | 0.52% |
IWB iShares Russell 1000 ETF | 0.93% | 1.00% | 1.14% | 1.31% | 1.56% | 1.09% | 1.37% | 1.71% | 2.06% | 1.64% | 1.89% | 1.95% |
Frequently Asked Questions
With a correlation of 0.91, BBGLX and IWB 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.
BBGLX has higher volatility (3.95%) compared to IWB (3.74%). In terms of maximum drawdown, BBGLX dropped -32.31% vs IWB's -55.38%.
IWB currently has the higher Sharpe Ratio (1.98 vs 0.22), 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.
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