IWOvsSLYGETF Comparison
VS
ETF 2
SLYG
State Street SPDR S&P 600 Small Cap Growth ETF
This fund is part of
US Small Cap Growth
-0.22%
iShares Russell 2000 Growth ETF (IWO) and State Street SPDR S&P 600 Small Cap Growth ETF (SLYG) belong to the same industry segment: US Small Cap Growth. IWO's top 3 sector exposures are Health Care, Information Technology and Industrials. In contrast, SLYG's top sector exposures are Industrials, Information Technology and Health Care. IWO is more expensive with a Total Expense Ratio (TER) of 0.24%, versus 0.15% for SLYG. IWO is up 10.61% year-to-date (YTD) with -$809M in YTD flows. SLYG performs better with 13.69% YTD performance, and +$348M in YTD flows. Run a side-by-side ETF comparison of IWO and SLYG 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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IWO vs SLYG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWO SLYG | +16.32%+13.44% | +3.32%+7.37% | +10.61%+13.69% | +41.72%+33.47% | +64.12%+55.94% | +17.90%+27.18% |
| Flows | IWO SLYG | -$129M+$46M | -$530M+$392M | -$809M+$348M | -$1.22B+$432M | -$1.05B+$838M | -$576M+$1.35B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWO SLYG | +25.63%+19.91% | +21.38%+17.86% | +22.42%+20.08% | +24.55%+21.59% |
| Max drawdown | IWO SLYG | -12.94%-9.05% | -14.82%-9.05% | -28.47%-27.35% | -40.45%-29.18% |
| Max drawdown duration | IWO SLYG | 76d41d | 84d41d | 280d414d | 1409d980d |
Trading data
IWO | SLYG | |
Last sale 4/28/2026 at 1:30 PM | $351.50 | $106.26 |
| Previous close 04/27/2026 | $357.83 | $107.06 |
| Consolidated volume 04/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 31, 2026
1-year trailing difference
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IWO | SLYG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 4/28/2026 at 1:30 PM
Live
Closed
IWO | SLYG | |
|---|---|---|
| Last price | $351.50 | $106.26 |
| 1D performance | -1.77% | -0.75% |
| AuM | $13.78 B | $4.44 B |
| E/R | 0.24% | 0.15% |
Characteristics
IWO | SLYG | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | Russell 2000 Growth Index | S&P SmallCap 600 Growth Index |
| N° of holdings | 897 | 312 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 24, 2000 | September 25, 2000 |
| ESG | No | No |
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Exposure
Countries
IWO
USA
93.17%
Other
6.83%
SLYG
USA
95.54%
Other
4.46%
Sectors
IWO
Health Care
21.43%
Information Techn.
20.12%
Industrials
19.42%
Consumer Discreti.
8.17%
Financials
7.05%
Other
23.81%
SLYG
Industrials
20.31%
Information Techn.
16.21%
Health Care
13.41%
Financials
12.26%
Consumer Discreti.
11.18%
Other
26.63%
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Diversification
IWO
Total weight of top 15 holdings out of 15
13.39%
SLYG
Total weight of top 15 holdings out of 15
13.79%
Top 15 holdings
Data as of March 31, 2026
IWO
BLOOM ENERGY CORP
1.99%
FABRINET
1.26%
CREDO TECHNOLOGY GROUP HOLDING
1.02%
US65290E1010
0.94%
KRATOS DEFENSE AND SECURITY SOLS
0.86%
ADVANCED ENERGY INDUSTRIES
0.82%
STERLING INFRASTRUCTURE INC
0.81%
BRIDGEBIO PHARMA
0.79%
GUARDANT HEALTH INC
0.77%
MODINE MNFC CO
0.76%
ENSIGN GROUP
0.76%
IONQ
0.67%
DYCOM INDUSTRIES
0.66%
US78473E1038
0.65%
COEUR MINING INC
0.64%
SLYG
PRIMORIS SERVICES
1.03%
VIAVI SOLUTIONS INC
1.02%
ARGAN
1.00%
FORMFACTOR
1.00%
ESCO TECHNOLOGIES
0.97%
ARMSTRONG WORLD INDUSTRIES
0.94%
SANMINA CORP
0.94%
DIGITALOCEAN HOLDINGS
0.90%
KRYSTAL BIOTECH INC
0.88%
ZURN WATER SOLUTIONS CORP
0.88%
JOHN BEAN TECHNOLOGIES
0.88%
FEDERAL SIGNAL
0.87%
VIASAT
0.83%
BRINKER INTERNATIONAL
0.82%
PROTAGONIST THERAPEUTICS INC
0.82%
Frequently asked questions about IWO and SLYG
How have the IWO and SLYG ETFs performed in 2026?
As of April 27, 2026, IWO is up 10.61% year-to-date (YTD), while SLYG has returned 13.69%. That puts SLYG better performer ahead so far this year.
Which ETF is attracting more investor money: IWO or SLYG?
Year-to-date, the IWO ETF saw -$809M in flows, compared to +$348M for SLYG.
Which ETF is more volatile: IWO or SLYG?
Over the past year, IWO had a volatility of 21.38%, while SLYG experienced 17.86%.
Which ETF is bigger: IWO or SLYG?
As of April 27, 2026, IWO holds $13.78 B in assets under management (AUM), while SLYG manages $4.44 B.
What sectors do the IWO and SLYG ETFs invest in?
IWO leans toward sectors like Health Care, Information Technology and Industrials. Meanwhile, SLYG focuses on Industrials, Information Technology and Health Care.
What are the top holdings of the IWO ETF and SLYG ETF?
IWO top holdings include BLOOM ENERGY CORP, FABRINET and CREDO TECHNOLOGY GROUP HOLDING. SLYG holds in its top three: PRIMORIS SERVICES, VIAVI SOLUTIONS INC and ARGAN.
Which ETF is more diversified: IWO or SLYG?
IWO holds 1099 securities with 13.39% of its assets in the top 15. SLYG has 337 securities and a top 15 weight of 13.79%.
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