SLYGvsIWOETF Comparison
ETF 1
SLYG
State Street SPDR S&P 600 Small Cap Growth ETF
This fund is part of
US Small Cap Growth
-0.25%
VS
State Street SPDR S&P 600 Small Cap Growth ETF (SLYG) and iShares Russell 2000 Growth ETF (IWO) belong to the same industry segment: US Small Cap Growth. SLYG's top 3 sector exposures are Finance, Industrials and Healthcare. In contrast, IWO's top sector exposures are Healthcare, Technology and Industrials. SLYG is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.24% for IWO. SLYG is up 23.08% year-to-date (YTD) with +$620M in YTD flows. IWO performs worse with 15.22% YTD performance, and -$784M in YTD flows. Run a side-by-side ETF comparison of SLYG 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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SLYG vs IWO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/28/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SLYG IWO | -2.01%-4.71% | +9.09%+6.04% | +23.08%+15.22% | +28.57%+27.20% | +49.06%+51.26% | +39.87%+27.95% |
| Flows | SLYG IWO | +$65M-$31M | +$272M+$25M | +$620M-$784M | +$637M-$581M | +$1.05B-$899M | +$1.58B-$486M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SLYG IWO | +16.47%+22.58% | +17.73%+22.30% | +19.97%+22.83% | +21.49%+24.66% |
| Max drawdown | SLYG IWO | -4.36%-6.04% | -9.05%-14.82% | -27.35%-28.47% | -29.18%-40.45% |
| Max drawdown duration | SLYG IWO | 16d28d | 41d84d | 414d280d | 980d1409d |
Trading data
SLYG | IWO | |
Last sale 7/28/2026 at 1:30 PM | $115.48 | $371.67 |
| Previous close 07/28/2026 | $115.14 | $373.54 |
| Consolidated volume 07/28/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 2026
1-year trailing difference
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SLYG | 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 7/28/2026 at 1:30 PM
Live
Closed
SLYG | IWO | |
|---|---|---|
| Last price | $115.48 | $371.67 |
| 1D performance | +0.30% | -0.50% |
| AuM | $5.09 B | $14.35 B |
| E/R | 0.15% | 0.24% |
Characteristics
SLYG | IWO | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | iShares |
| Benchmark | S&P SmallCap 600 Growth Index | Russell 2000 Growth Index |
| N° of holdings | 347 | 1097 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 25, 2000 | July 24, 2000 |
| ESG | No | No |
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Exposure
Countries
SLYG
USA
97.94%
Other
2.06%
IWO
USA
95.89%
Other
4.11%
Sectors
SLYG
Finance
22.19%
Industrials
17.06%
Healthcare
17.01%
Technology
13.56%
Other
30.19%
IWO
Healthcare
28.24%
Technology
19.26%
Industrials
14.93%
Finance
12.41%
Other
25.16%
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Diversification
SLYG
Total weight of top 15 holdings out of 15
15.36%
IWO
Total weight of top 15 holdings out of 15
8.51%
Top 15 holdings
Data as of June 30, 2026
SLYG
FormFactor, Inc.
1.38%
ViaSat, Inc.
1.35%
Argan, Inc.
1.23%
BrightSpring Health Services, Inc.
1.22%
Krystal Biotech, Inc.
1.08%
ESCO Technologies, Inc.
1.00%
Alkermes Plc
0.96%
Everus Construction Group, Inc.
0.93%
StoneX Group, Inc.
0.92%
Corcept Therapeutics, Inc.
0.91%
Powell Industries, Inc.
0.89%
Ryman Hospitality Properties, Inc.
0.89%
Enpro, Inc.
0.88%
Federal Signal Corp.
0.86%
MYR Group, Inc.
0.86%
IWO
Moog, Inc.
0.73%
BrightSpring Health Services, Inc.
0.68%
MaxLinear, Inc.
0.66%
Argan, Inc.
0.66%
JFrog Ltd.
0.59%
Krystal Biotech, Inc.
0.58%
ESCO Technologies, Inc.
0.56%
FirstCash Holdings, Inc.
0.53%
D-Wave Quantum, Inc.
0.53%
StoneX Group, Inc.
0.52%
Praxis Precision Medicines, Inc.
0.51%
Cipher Digital, Inc.
0.50%
Plexus Corp.
0.49%
EnerSys
0.49%
Ryman Hospitality Properties, Inc.
0.48%
Frequently asked questions about SLYG and IWO
How have the SLYG and IWO ETFs performed in 2026?
As of July 28, 2026, SLYG is up 23.08% year-to-date (YTD), while IWO has returned 15.22%. That puts SLYG better performer ahead so far this year.
Which ETF is attracting more investor money: SLYG or IWO?
Year-to-date, the SLYG ETF saw +$620M in flows, compared to -$784M for IWO.
Which ETF is more volatile: SLYG or IWO?
Over the past year, SLYG had a volatility of 17.73%, while IWO experienced 22.3%.
Which ETF is bigger: SLYG or IWO?
As of July 28, 2026, SLYG holds $5.09 B in assets under management (AUM), while IWO manages $14.35 B.
What sectors do the SLYG and IWO ETFs invest in?
SLYG leans toward sectors like Finance, Industrials and Healthcare. Meanwhile, IWO focuses on Healthcare, Technology and Industrials.
What are the top holdings of the SLYG ETF and IWO ETF?
SLYG top holdings include FormFactor, Inc., ViaSat, Inc. and Argan, Inc.. IWO holds in its top three: Moog, Inc., BrightSpring Health Services, Inc. and MaxLinear, Inc..
Which ETF is more diversified: SLYG or IWO?
SLYG holds 347 securities with 15.36% of its assets in the top 15. IWO has 1122 securities and a top 15 weight of 8.51%.
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