IWR vs. BBGSX
IWR (iShares Russell Midcap ETF) and BBGSX (Bridge Builder Small/Mid Cap Growth Fund) are both Mid Cap Growth Equities funds. Over the past 10 years, IWR returned 11.41%/yr vs 10.27%/yr for BBGSX. Their correlation of 0.92 suggests significant overlap in exposure. IWR charges 0.19%/yr vs 0.38%/yr for BBGSX.
Performance
IWR vs. BBGSX - Performance Comparison
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Returns By Period
In the year-to-date period, IWR achieves a 10.71% return, which is significantly higher than BBGSX's 5.95% return. Over the past 10 years, IWR has outperformed BBGSX with an annualized return of 11.41%, while BBGSX has yielded a comparatively lower 10.27% annualized return.
IWR
- 1D
- 0.08%
- 1M
- 1.05%
- YTD
- 10.71%
- 6M
- 10.50%
- 1Y
- 19.23%
- 3Y*
- 16.25%
- 5Y*
- 7.68%
- 10Y*
- 11.41%
BBGSX
- 1D
- -3.52%
- 1M
- 0.41%
- YTD
- 5.95%
- 6M
- -2.82%
- 1Y
- 7.20%
- 3Y*
- 10.43%
- 5Y*
- 2.57%
- 10Y*
- 10.27%
IWR vs. BBGSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IWR iShares Russell Midcap ETF | 10.71% | 10.37% | 15.21% | 17.05% | -17.48% | 22.44% | 16.93% | 30.23% | -9.10% | 18.25% |
BBGSX Bridge Builder Small/Mid Cap Growth Fund | 5.95% | 0.99% | 14.47% | 20.98% | -29.84% | 16.57% | 34.41% | 29.01% | -2.18% | 21.47% |
Correlation
The correlation between IWR and BBGSX is 0.86, 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 | 0.86 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.86 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.91 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.92 |
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016 | 0.92 |
The correlation between IWR and BBGSX has been stable across timeframes, ranging from 0.86 to 0.92 - a consistent structural relationship.
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Return for Risk
IWR vs. BBGSX — Risk / Return Rank
IWR
BBGSX
IWR vs. BBGSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell Midcap ETF (IWR) 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.
| IWR | BBGSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.97 | ||
| Sortino ratioReturn per unit of downside risk | +1.31 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.09 | +0.16 |
| Calmar ratioReturn relative to maximum drawdown | 2.37 | 0.50 | +1.87 |
| Martin ratioReturn relative to average drawdown | 9.09 | 1.49 | +7.60 |
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
| IWR | BBGSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.43 | 0.46 | +0.97 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.42 | 0.12 | +0.30 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.59 | 0.49 | +0.10 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.49 | 0.51 | -0.02 |
Drawdowns
IWR vs. BBGSX - Drawdown Comparison
The maximum IWR drawdown since its inception was -58.78%, which is greater than BBGSX's maximum drawdown of -37.95%. Use the drawdown chart below to compare losses from any high point for IWR and BBGSX.
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Drawdown Indicators
| IWR | BBGSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.78% | -37.95% | -20.83% |
Max Drawdown (1Y)Largest decline over 1 year | -8.17% | -16.72% | +8.55% |
Max Drawdown (3Y)Largest decline over 3 years | -21.09% | -26.11% | +5.02% |
Max Drawdown (5Y)Largest decline over 5 years | -26.18% | -37.95% | +11.77% |
Max Drawdown (10Y)Largest decline over 10 years | -40.59% | -37.95% | -2.64% |
Current DrawdownCurrent decline from peak | -2.04% | -4.43% | +2.39% |
Average DrawdownAverage peak-to-trough decline | -7.80% | -9.56% | +1.76% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.12% | 5.50% | -3.38% |
Volatility
IWR vs. BBGSX - Volatility Comparison
The current volatility for iShares Russell Midcap ETF (IWR) is 3.59%, while Bridge Builder Small/Mid Cap Growth Fund (BBGSX) has a volatility of 5.81%. This indicates that IWR 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.
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Volatility by Period
| IWR | BBGSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.59% | 5.81% | -2.22% |
Volatility (6M)Calculated over the trailing 6-month period | 10.06% | 14.48% | -4.42% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.54% | 18.05% | -4.51% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.25% | 21.74% | -3.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.38% | 20.99% | -1.61% |
IWR vs. BBGSX - Expense Ratio Comparison
IWR has a 0.19% expense ratio, which is lower than BBGSX's 0.38% expense ratio.
Dividends
IWR vs. BBGSX - Dividend Comparison
IWR's dividend yield for the trailing twelve months is around 1.17%, 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% |
IWR iShares Russell Midcap ETF | 1.17% | 1.29% | 1.27% | 1.43% | 1.59% | 1.04% | 1.28% | 1.43% | 1.98% | 1.52% | 1.72% | 1.59% |
Frequently Asked Questions
IWR and BBGSX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BBGSX has higher volatility (5.81%) compared to IWR (3.59%). In terms of maximum drawdown, IWR dropped -58.78% vs BBGSX's -37.95%.
IWR currently has the higher Sharpe Ratio (1.43 vs 0.46), 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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