IWO vs MMSC
iShares Russell 2000 Growth ETF against First Trust Multi-Manager Small Cap Opportunities ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
27%
114 shared positions
Fee gap
71 bp
IWO is cheaper
1-year return gap
0.5 pts
MMSC is ahead
Larger fund
IWO
$13.7B
Side by side
| IWO | MMSC | |
|---|---|---|
| Fund | iShares Russell 2000 Growth ETF | First Trust Multi-Manager Small Cap Opportunities ETF |
| Issuer | iShares | First Trust |
| Category | Small Cap Growth | Small Cap Blend |
| Expense ratio | 0.24% | 0.95% |
| Assets | $13.7B | $50M |
| Average daily dollar volume | $177M | $185K |
| Listed | Jul 24, 2000 | Oct 13, 2021 |
| FrenzyCap score | 88 | 29 |
| 1-month return | −2.7% | −3.6% |
| 3-month return | −11.4% | −11.0% |
| Year to date | +6.5% | +6.5% |
| 1-year return | +5.2% | +5.7% |
| 30-day volatility | 25.4% | 27.5% |
| Worst drawdown, 1 year | −14.9% | −15.2% |
| Trailing 12-month yield | 0.49% | — |
| Holdings | 1,122 | 201 |
| Top 10 weight | 6.6% | 14.4% |
| Look-through P/E | 6082.3 | 86.3 |
| Holdings vs fair value | +10.6% | +5.5% |
| Holdings above 200-day average | 53% | 63% |
| Net flow, latest 3 reported months | +$167M thru Jun 2026 | −$7K thru Aug 2026 |
| 30-day implied volatility | 24.6% | — |
| Holdings as of | as of Nov 6, 2026issuer data | as of Nov 6, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
30% of IWO · 57% of MMSC| Holding | IWO | MMSC |
|---|---|---|
| GKOS | 0.90% | 0.87% |
| FROG | 0.76% | 1.74% |
| HQY | 0.60% | 0.70% |
| PTGX | 0.56% | 1.16% |
| TWST | 0.55% | 1.07% |
| SYRE | 0.55% | 1.26% |
| VSXY | 0.55% | 0.71% |
| FCFS | 0.52% | 1.29% |
| ZETA | 0.49% | 1.52% |
| PRAX | 0.48% | 0.85% |
| KYMR | 0.47% | 0.76% |
| CVLT | 0.46% | 0.50% |
| MOG.A | 0.64% | 0.44% |
| LGND | 0.43% | 1.14% |
| XMTR | 0.41% | 2.13% |
| MGY | 0.39% | 0.61% |
| VRNS | 0.39% | 1.37% |
| FSS | 0.48% | 0.38% |
| BCPC | 0.37% | 0.51% |
| CAKE | 0.35% | 0.55% |
| PI | 0.35% | 0.65% |
| SRRK | 0.34% | 0.52% |
| COMP | 0.44% | 0.34% |
| AROC | 0.33% | 0.38% |
| PIPR | 0.33% | 0.64% |
Sector mix of the stock holdings
| Sector | IWO | MMSC | Gap |
|---|---|---|---|
| Health Care | 29.0% | 25.1% | +3.9% |
| Technology | 18.4% | 24.2% | −5.8% |
| Industrials | 17.3% | 21.0% | −3.6% |
| Consumer Discretionary | 10.4% | 12.1% | −1.8% |
| Financials | 9.1% | 7.2% | +1.9% |
| Materials | 6.3% | 2.3% | +4.1% |
| Energy | 2.4% | 2.2% | +0.2% |
| Consumer Staples | 1.2% | 2.1% | −0.8% |
| Real Estate | 2.4% | 0.8% | +1.6% |
| Utilities | 1.5% | 0.4% | +1.1% |
| Communication Services | 1.4% | 0.0% | +1.4% |
| Other | 0.2% | 0.2% | −0.1% |
More: full overlap table · IWO holdings · MMSC holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.