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BBMC vs. IWO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

BBMC vs. IWO

Last updated Aug 4, 2026
Documentation

BBMC (JPMorgan BetaBuilders U.S. Mid Cap Equity ETF) and IWO (iShares Russell 2000 Growth ETF) are both Small Cap Growth Equities funds - BBMC tracks the Morningstar US Mid Cap Target Market Exposure Extended Index while IWO tracks the Russell 2000 Growth Index. Both are passively managed. Over the past 5 years, BBMC returned 8.74%/yr vs 5.59%/yr for IWO. Their correlation of 0.95 means they have usually moved in the same direction. BBMC charges 0.07%/yr vs 0.24%/yr for IWO.

Performance

BBMC vs. IWO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in JPMorgan BetaBuilders U.S. Mid Cap Equity ETF (BBMC) and iShares Russell 2000 Growth ETF (IWO). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, BBMC achieves a 18.36% return, which is significantly higher than IWO's 17.27% return.

BBMC

1D
1.29%
1M
-0.65%
6M
12.42%
YTD
18.36%
1Y
29.93%
3Y*
17.47%
5Y*
8.74%
10Y*
—
ALL TIME*
17.55%

IWO

1D
2.04%
1M
-2.21%
6M
11.59%
YTD
17.27%
1Y
33.62%
3Y*
16.12%
5Y*
5.59%
10Y*
10.67%
ALL TIME*
6.96%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)

BBMC

JPMorgan BetaBuilders U.S. Mid Cap Equity ETF
$1.30M$1.45M$2.55M

IWO

iShares Russell 2000 Growth ETF
$174.90M$159.43M$166.26M

BBMC vs. IWO - Yearly Performance Comparison

2026 (YTD)202520242023202220212020
BBMC
JPMorgan BetaBuilders U.S. Mid Cap Equity ETF		18.36%12.24%15.15%18.37%-19.77%17.64%62.09%
IWO
iShares Russell 2000 Growth ETF		17.27%12.90%15.04%18.51%-26.27%2.54%68.00%

Correlation

The correlation between BBMC and IWO is 0.91, meaning they have usually moved in the same direction, including during past declines.

Correlation
Correlation (1Y)
Focuses on recent behavior, but can change the most.

0.91

Correlation (3Y)
Balances recent behavior with more history.

0.93

Correlation (5Y)
Shows whether the relationship held over a longer period.

0.95

Correlation (All Time)
Calculated using the full available price history since Apr 15, 2020

0.95

The correlation between BBMC and IWO has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

BBMC vs. IWO - Sectors Allocation Comparison

Sectors
BBMC
IWO

Industrials

22.8%
15.9%

Technology

15.0%
22.1%

Financial Services

12.9%
8.0%

Healthcare

12.9%
28.9%

Consumer Cyclical

11.8%
8.2%

Real Estate

6.7%
2.4%

Basic Materials

4.4%
5.0%

Consumer Defensive

4.0%
2.3%

Energy

3.5%
4.8%

Communication Services

3.4%
1.9%

Utilities

2.7%
0.6%

Industrials

BBMC
22.8%
IWO
15.9%

Technology

BBMC
15.0%
IWO
22.1%

Financial Services

BBMC
12.9%
IWO
8.0%

Healthcare

BBMC
12.9%
IWO
28.9%

Consumer Cyclical

BBMC
11.8%
IWO
8.2%

Real Estate

BBMC
6.7%
IWO
2.4%

Basic Materials

BBMC
4.4%
IWO
5.0%

Consumer Defensive

BBMC
4.0%
IWO
2.3%

Energy

BBMC
3.5%
IWO
4.8%

Communication Services

BBMC
3.4%
IWO
1.9%

Utilities

BBMC
2.7%
IWO
0.6%

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

JPMorgan BetaBuilders U.S. Mid Cap Equity ETF

iShares Russell 2000 Growth ETF

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Often compared with IWO:
IWO vs. IWMIWO vs. QQQIWO vs. IWNIWO vs. VTCLXIWO vs. VTWOIWO vs. SLYGIWO vs. IJR

Return for Risk

BBMC vs. IWO — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.
BBMC
BBMC Risk / Return Rank: 7878
Overall Rank
BBMC Sharpe Ratio Rank: 7575
Sharpe Ratio Rank
BBMC Sortino Ratio Rank: 7575
Sortino Ratio Rank
BBMC Omega Ratio Rank: 7272
Omega Ratio Rank
BBMC Calmar Ratio Rank: 8181
Calmar Ratio Rank
BBMC Martin Ratio Rank: 8484
Martin Ratio Rank
IWO
IWO Risk / Return Rank: 6161
Overall Rank
IWO Sharpe Ratio Rank: 6363
Sharpe Ratio Rank
IWO Sortino Ratio Rank: 6262
Sortino Ratio Rank
IWO Omega Ratio Rank: 5555
Omega Ratio Rank
IWO Calmar Ratio Rank: 6363
Calmar Ratio Rank
IWO Martin Ratio Rank: 6363
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

BBMC vs. IWO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for JPMorgan BetaBuilders U.S. Mid Cap Equity ETF (BBMC) and iShares Russell 2000 Growth ETF (IWO). 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.

BBMCIWODifference
Sharpe ratioReturn per unit of total volatility
1.80
1.51

+0.29

Sortino ratioReturn per unit of downside risk
2.55
2.14

+0.42

Omega ratioGain probability vs. loss probability

1.31

1.25

+0.06

Calmar ratioReturn relative to maximum drawdown

3.08

2.27

+0.81

Martin ratioReturn relative to average drawdown

11.91

7.79

+4.12

BBMC vs. IWO - Sharpe Ratio Comparison

The current BBMC Sharpe Ratio is 1.80, which is comparable to the IWO Sharpe Ratio of 1.51. The chart below compares the historical Sharpe Ratios of BBMC and IWO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

BBMC vs. IWO - Drawdown Comparison

The maximum BBMC drawdown since its inception was -30.11%, smaller than the maximum IWO drawdown of -60.11%. Use the drawdown chart below to compare losses from any high point for BBMC and IWO.

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Drawdown Indicators

BBMCIWODifference

Max Drawdown

Largest peak-to-trough decline

-30.11%

-60.11%

+30.00%

Max Drawdown (1Y)

Largest decline over 1 year

-9.75%

-14.87%

+5.12%

Max Drawdown (3Y)

Largest decline over 3 years

-24.18%

-28.57%

+4.39%

Max Drawdown (5Y)

Largest decline over 5 years

-30.11%

-40.51%

+10.40%

Max Drawdown (10Y)

Largest decline over 10 years

—

-42.02%

—

Current Drawdown

Current decline from peak

-1.22%

-3.99%

+2.77%

Average Drawdown

Average peak-to-trough decline

-8.73%

-16.62%

+7.89%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.52%

4.32%

-1.80%

Volatility

BBMC vs. IWO - Volatility Comparison

The current volatility for JPMorgan BetaBuilders U.S. Mid Cap Equity ETF (BBMC) is 3.57%, while iShares Russell 2000 Growth ETF (IWO) has a volatility of 6.16%. This indicates that BBMC experiences smaller price fluctuations and is considered to be less risky than IWO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

BBMCIWODifference

Volatility (1M)

Calculated over the trailing 1-month period

3.57%

6.16%

-2.59%

Volatility (6M)

Calculated over the trailing 6-month period

12.62%

17.08%

-4.46%

Volatility (1Y)

Calculated over the trailing 1-year period

16.77%

22.41%

-5.64%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

20.60%

24.64%

-4.04%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

20.95%

24.19%

-3.24%

BBMC vs. IWO - Expense Ratio Comparison

BBMC has a 0.07% expense ratio, which is lower than IWO's 0.24% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

BBMC vs. IWO - Dividend Comparison

BBMC's dividend yield for the trailing twelve months is around 1.12%, more than IWO's 0.43% yield.

PositionTTM20252024202320222021202020192018201720162015
BBMC
JPMorgan BetaBuilders U.S. Mid Cap Equity ETF		1.12%1.25%1.31%1.36%1.48%0.87%0.69%0.00%0.00%0.00%0.00%0.00%
IWO
iShares Russell 2000 Growth ETF		0.43%0.56%0.80%0.73%0.73%0.32%0.44%0.71%0.76%0.73%0.97%0.89%

Frequently Asked Questions

With a correlation of 0.91, BBMC and IWO 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.

IWO has higher volatility (6.16%) compared to BBMC (3.57%). In terms of maximum drawdown, BBMC dropped -30.11% vs IWO's -60.11%.

On 5-year performance, BBMC leads with 8.74% vs 5.59% for IWO. On fees, BBMC is cheaper at 0.07% per year. On volatility, BBMC has been the lower-risk option at 3.57%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 5-year period, BBMC has performed better with a 8.74% return vs 5.59%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

BBMC is cheaper with a 0.07% expense ratio, compared with 0.24% for IWO.

BBMC has the higher dividend yield at 1.12%, compared with 0.43% for IWO.

BBMC tracks Morningstar US Mid Cap Target Market Exposure Extended Index, while IWO tracks Russell 2000 Growth Index. They also come from different issuers: JPMorgan and iShares. Their fees differ too: 0.07% for BBMC and 0.24% for IWO.

BBMC currently has the higher Sharpe Ratio (1.80 vs 1.51), 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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