MMSCvsIWOETF Comparison
ETF 1
MMSC
First Trust Multi-Manager Small Cap Opportunities ETF
This fund is part of
US Small Cap Growth
-0.14%
VS
First Trust Multi-Manager Small Cap Opportunities ETF (MMSC) and iShares Russell 2000 Growth ETF (IWO) belong to the same industry segment: US Small Cap Growth. Both ETFs have the same top 3 sector exposures: Healthcare, Technology and Industrials. MMSC is more expensive with a Total Expense Ratio (TER) of 0.95%, versus 0.24% for IWO. MMSC is up 11.83% year-to-date (YTD) with +$11M in YTD flows. IWO performs better with 11.95% YTD performance, and -$570M in YTD flows. Run a side-by-side ETF comparison of MMSC and IWO below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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MMSC vs IWO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MMSC IWO | -8.46%-8.46% | -5.86%-5.20% | +11.83%+11.95% | +17.91%+15.45% | +69.52%+59.41% | n/a+23.61% |
| Flows | MMSC IWO | +$3M+$347M | +$3M+$164M | +$11M-$570M | +$19M-$383M | +$33M-$615M | --$337M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MMSC IWO | +20.35%+18.62% | +24.01%+22.38% | +23.01%+22.98% | n/a+24.72% |
| Max drawdown | MMSC IWO | -9.83%-8.65% | -14.05%-14.82% | -29.67%-28.47% | n/a-40.45% |
| Max drawdown duration | MMSC IWO | 77d31d | 84d84d | 280d280d | n/a1409d |
Trading data
MMSC | IWO | |
Last sale 9/17/2026 at 2:12 PM | $27.22 | $365.05 |
| Previous close 09/16/2026 | $26.75 | $361.11 |
| Consolidated volume 09/16/2026 | ||
| 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
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MMSC
is actively managed and doesn’t replicate an indexMMSC | IWO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/17/2026 at 2:12 PM
Live
Closed
MMSC | IWO | |
|---|---|---|
| Last price | $27.22 | $365.05 |
| 1D performance | +1.76% | +1.09% |
| AuM | $52.19 M | $14.13 B |
| E/R | 0.95% | 0.24% |
Characteristics
MMSC | IWO | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | First Trust | iShares |
| Benchmark | - | Russell 2000 Growth Index |
| N° of holdings | 200 | 1095 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 14, 2021 | July 24, 2000 |
| ESG | No | No |
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Exposure
Countries
MMSC
USA
89.5%
Other
10.5%
IWO
USA
96.07%
Other
3.93%
Sectors
MMSC
Healthcare
26.46%
Technology
22.84%
Industrials
17.17%
Finance
10.91%
Other
22.62%
IWO
Healthcare
29.4%
Technology
17.79%
Industrials
13.73%
Finance
13.29%
Other
25.79%
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Diversification
MMSC
Total weight of top 15 holdings out of 15
18.2%
IWO
Total weight of top 15 holdings out of 15
8.65%
Top 15 holdings
Data as of July 31, 2026
MMSC
Twist Bioscience Corp.
1.86%
Travere Therapeutics, Inc.
1.49%
Xometry, Inc.
1.44%
JFrog Ltd.
1.35%
Guardant Health, Inc.
1.28%
Zeta Global Holdings Corp.
1.23%
VSE Corp.
1.20%
Spyre Therapeutics, Inc.
1.19%
FirstCash Holdings, Inc.
1.18%
Praxis Precision Medicines, Inc.
1.10%
Protagonist Therapeutics, Inc.
1.02%
Karman Holdings, Inc.
0.98%
Halozyme Therapeutics, Inc.
0.96%
Ligand Pharmaceuticals, Inc.
0.96%
nLIGHT, Inc.
0.96%
IWO
Moog, Inc.
0.76%
BrightSpring Health Services, Inc.
0.76%
Glaukos Corp.
0.62%
Krystal Biotech, Inc.
0.61%
Brinker International, Inc.
0.58%
Crinetics Pharmaceuticals, Inc.
0.55%
HealthEquity, Inc.
0.55%
JFrog Ltd.
0.54%
Protagonist Therapeutics, Inc.
0.54%
StoneX Group, Inc.
0.54%
Ryman Hospitality Properties, Inc.
0.53%
FirstCash Holdings, Inc.
0.53%
ESCO Technologies, Inc.
0.53%
Argan, Inc.
0.51%
InterDigital, Inc.
0.50%
Frequently asked questions about MMSC and IWO
How have the MMSC and IWO ETFs performed in 2026?
As of September 15, 2026, MMSC is up 11.83% year-to-date (YTD), while IWO has returned 11.95%. That puts IWO better performer ahead so far this year.
Which ETF is attracting more investor money: MMSC or IWO?
Year-to-date, the MMSC ETF saw +$11M in flows, compared to -$570M for IWO.
Which ETF is more volatile: MMSC or IWO?
Over the past year, MMSC had a volatility of 24.01%, while IWO experienced 22.38%.
Which ETF is bigger: MMSC or IWO?
As of September 15, 2026, MMSC holds $52.19 M in assets under management (AUM), while IWO manages $14.13 B.
What sectors do the MMSC and IWO ETFs invest in?
MMSC leans toward sectors like Healthcare, Technology and Industrials. Meanwhile, IWO focuses on Healthcare, Technology and Industrials.
What are the top holdings of the MMSC ETF and IWO ETF?
MMSC top holdings include Twist Bioscience Corp., Travere Therapeutics, Inc. and Xometry, Inc.. IWO holds in its top three: Moog, Inc., BrightSpring Health Services, Inc. and Glaukos Corp..
Which ETF is more diversified: MMSC or IWO?
MMSC holds 200 securities with 18.2% of its assets in the top 15. IWO has 1102 securities and a top 15 weight of 8.65%.
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