BBSCvsIWMETF Comparison
VS
JPMorgan BetaBuilders U.S. Small Cap Equity ETF (BBSC) and iShares Russell 2000 ETF (IWM) belong to the same industry segment: US Small Cap. Both ETFs have the same top 3 sector exposures: Finance, Healthcare and Technology. BBSC is less expensive with a Total Expense Ratio (TER) of 0.09%, versus 0.19% for IWM. BBSC is up 18.32% year-to-date (YTD) with +$25M in YTD flows. IWM performs worse with 17.38% YTD performance, and -$5.57B in YTD flows. Run a side-by-side ETF comparison of BBSC and IWM below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
BBSC vs IWM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/14/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BBSC IWM | -6.06%-5.62% | -1.00%-2.22% | +18.32%+17.38% | +20.79%+21.56% | +62.61%+60.74% | +44.51%+39.37% |
| Flows | BBSC IWM | +$37M+$1.31B | +$17M-$128M | +$25M-$5.57B | +$33M-$3.10B | -$259M-$168M | +$61M-$3.19B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BBSC IWM | +13.78%+13.81% | +18.16%+18.90% | +21.76%+21.25% | +22.90%+22.50% |
| Max drawdown | BBSC IWM | -6.23%-5.67% | -9.66%-11.03% | -29.10%-27.52% | -30.97%-31.96% |
| Max drawdown duration | BBSC IWM | 29d29d | 81d82d | 296d289d | 1072d1093d |
Trading data
BBSC | IWM | |
Last sale 9/14/2026 at 1:30 PM | $287.91 | |
| Previous close 09/14/2026 | $288.89 | |
| Consolidated volume 09/14/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
Create an account to view replication metrics
Join for free
BBSC | IWM | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Advertisement
Main metrics
Last update 9/14/2026 at 1:30 PM
Live
Closed
BBSC | IWM | |
|---|---|---|
| Last price | – | $287.91 |
| 1D performance | – | -0.34% |
| AuM | $727.92 M | $79.89 B |
| E/R | 0.09% | 0.19% |
Characteristics
BBSC | IWM | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | J.P. Morgan Asset Management | iShares |
| Benchmark | Morningstar US Small Cap Target Market Exposure Extended Index | Russell 2000 Index |
| N° of holdings | 846 | 1945 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 16, 2020 | May 22, 2000 |
| ESG | No | No |
Advertisement
Exposure
Countries
BBSC
USA
96.93%
Other
3.07%
IWM
USA
95.53%
Other
4.47%
Sectors
BBSC
Finance
25.96%
Healthcare
16.93%
Technology
14.17%
Industrials
11%
Consumer Cyclical.
7.24%
Other
24.7%
IWM
Finance
26.78%
Healthcare
20.22%
Technology
11.82%
Industrials
10.54%
Other
30.64%
Advertisement
Diversification
BBSC
Total weight of top 15 holdings out of 15
5.58%
IWM
Total weight of top 15 holdings out of 15
4.93%
Top 15 holdings
Data as of July 31, 2026
BBSC
Moog, Inc.
0.46%
Semtech Corp.
0.44%
American Healthcare REIT, Inc.
0.43%
BrightSpring Health Services, Inc.
0.43%
Arrowhead Pharmaceuticals, Inc.
0.41%
CareTrust REIT, Inc.
0.37%
Krystal Biotech, Inc.
0.36%
DigitalOcean Holdings, Inc.
0.36%
Corcept Therapeutics, Inc.
0.35%
Crinetics Pharmaceuticals, Inc.
0.34%
Brinker International, Inc.
0.33%
JFrog Ltd.
0.33%
Compass, Inc. (New York)
0.33%
ViaSat, Inc.
0.33%
ESCO Technologies, Inc.
0.32%
IWM
BlackRock Cash Funds - Treasury
0.46%
Moog, Inc.
0.39%
BrightSpring Health Services, Inc.
0.38%
Hut 8 Corp.
0.36%
UMB Financial Corp.
0.35%
Cytokinetics, Inc.
0.34%
ViaSat, Inc.
0.32%
Glaukos Corp.
0.31%
Krystal Biotech, Inc.
0.31%
CareTrust REIT, Inc.
0.30%
Old National Bancorp
0.30%
Brinker International, Inc.
0.29%
Crinetics Pharmaceuticals, Inc.
0.28%
HealthEquity, Inc.
0.28%
JFrog Ltd.
0.27%
Frequently asked questions about BBSC and IWM
How have the BBSC and IWM ETFs performed in 2026?
As of September 14, 2026, BBSC is up 18.32% year-to-date (YTD), while IWM has returned 17.38%. That puts BBSC better performer ahead so far this year.
Which ETF is attracting more investor money: BBSC or IWM?
Year-to-date, the BBSC ETF saw +$25M in flows, compared to -$5.57B for IWM.
Which ETF is more volatile: BBSC or IWM?
Over the past year, BBSC had a volatility of 18.16%, while IWM experienced 18.9%.
Which ETF is bigger: BBSC or IWM?
As of September 14, 2026, BBSC holds $727.92 M in assets under management (AUM), while IWM manages $79.89 B.
What sectors do the BBSC and IWM ETFs invest in?
BBSC leans toward sectors like Finance, Healthcare and Technology. Meanwhile, IWM focuses on Finance, Healthcare and Technology.
What are the top holdings of the BBSC ETF and IWM ETF?
BBSC top holdings include Moog, Inc., Semtech Corp. and American Healthcare REIT, Inc.. IWM holds in its top three: BlackRock Cash Funds - Treasury, Moog, Inc. and BrightSpring Health Services, Inc..
Which ETF is more diversified: BBSC or IWM?
BBSC holds 851 securities with 5.58% of its assets in the top 15. IWM has 1957 securities and a top 15 weight of 4.93%.
Advertisement
Latest news about BBSC & IWM
Advertisement
MoneyShow Chart of the Day 6/27/25: Big Tech is SO Back. Again.
June 27, 2025
IWM
Advertisement
