IWR vs. BWXT
IWR (iShares Russell Midcap ETF) is Mid Cap Growth Equities fund tracking the Russell Midcap Index, while BWXT (BWX Technologies, Inc.) is a stock. Over the past 10 years, IWR returned 11.79%/yr vs 20.03%/yr for BWXT. A 0.55 correlation means they provide meaningful diversification when combined.
Performance
IWR vs. BWXT - Performance Comparison
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Returns By Period
In the year-to-date period, IWR achieves a 13.23% return, which is significantly higher than BWXT's 12.23% return. Over the past 10 years, IWR has underperformed BWXT with an annualized return of 11.79%, while BWXT has yielded a comparatively higher 20.03% annualized return.
IWR
- 1D
- 0.93%
- 1M
- 3.80%
- YTD
- 13.23%
- 6M
- 11.96%
- 1Y
- 21.77%
- 3Y*
- 16.40%
- 5Y*
- 7.99%
- 10Y*
- 11.79%
BWXT
- 1D
- -0.63%
- 1M
- -6.34%
- YTD
- 12.23%
- 6M
- 10.82%
- 1Y
- 41.19%
- 3Y*
- 43.24%
- 5Y*
- 26.18%
- 10Y*
- 20.03%
IWR vs. BWXT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IWR iShares Russell Midcap ETF | 13.23% | 10.37% | 15.21% | 17.05% | -17.48% | 22.44% | 16.93% | 30.23% | -9.10% | 18.25% |
BWXT BWX Technologies, Inc. | 12.23% | 56.37% | 46.53% | 33.87% | 23.30% | -19.40% | -1.54% | 64.48% | -36.10% | 53.59% |
Correlation
The correlation between IWR and BWXT is 0.50, 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 | 0.50 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.52 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.52 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.53 |
Correlation (All Time) Calculated using the full available price history since Aug 2, 2010 | 0.55 |
The correlation between IWR and BWXT has been stable across timeframes, ranging from 0.50 to 0.55 - a consistent structural relationship.
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Return for Risk
IWR vs. BWXT — Risk / Return Rank
IWR
BWXT
IWR vs. BWXT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell Midcap ETF (IWR) and BWX Technologies, Inc. (BWXT). 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.
| IWR | BWXT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.67 | ||
| Sortino ratioReturn per unit of downside risk | +0.77 | ||
| Omega ratioGain probability vs. loss probability | 1.28 | 1.20 | +0.08 |
| Calmar ratioReturn relative to maximum drawdown | 2.68 | 1.79 | +0.89 |
| Martin ratioReturn relative to average drawdown | 10.26 | 4.04 | +6.22 |
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Drawdowns
IWR vs. BWXT - Drawdown Comparison
The maximum IWR drawdown since its inception was -58.78%, which is greater than BWXT's maximum drawdown of -47.88%. Use the drawdown chart below to compare losses from any high point for IWR and BWXT.
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Drawdown Indicators
| IWR | BWXT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.78% | -47.88% | -10.90% |
Max Drawdown (1Y)Largest decline over 1 year | -8.17% | -23.14% | +14.97% |
Max Drawdown (3Y)Largest decline over 3 years | -21.09% | -32.87% | +11.78% |
Max Drawdown (5Y)Largest decline over 5 years | -26.18% | -32.92% | +6.74% |
Max Drawdown (10Y)Largest decline over 10 years | -40.59% | -47.74% | +7.15% |
Current DrawdownCurrent decline from peak | 0.00% | -18.75% | +18.75% |
Average DrawdownAverage peak-to-trough decline | -7.80% | -13.17% | +5.37% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.13% | 10.22% | -8.09% |
Volatility
IWR vs. BWXT - Volatility Comparison
The current volatility for iShares Russell Midcap ETF (IWR) is 4.49%, while BWX Technologies, Inc. (BWXT) has a volatility of 11.22%. This indicates that IWR experiences smaller price fluctuations and is considered to be less risky than BWXT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IWR | BWXT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.49% | 11.22% | -6.73% |
Volatility (6M)Calculated over the trailing 6-month period | 10.34% | 34.21% | -23.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.79% | 45.12% | -31.33% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.28% | 33.05% | -14.77% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.38% | 30.83% | -11.45% |
Dividends
IWR vs. BWXT - Dividend Comparison
IWR's dividend yield for the trailing twelve months is around 1.14%, more than BWXT's 0.54% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BWXT BWX Technologies, Inc. | 0.54% | 0.58% | 0.86% | 1.20% | 1.52% | 1.75% | 1.26% | 1.10% | 1.67% | 0.69% | 0.91% | 30.37% |
IWR iShares Russell Midcap ETF | 1.14% | 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 BWXT have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BWXT has higher volatility (11.22%) compared to IWR (4.49%). In terms of maximum drawdown, IWR dropped -58.78% vs BWXT's -47.88%.
IWR currently has the higher Sharpe Ratio (1.59 vs 0.92), 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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