OEFvsIWLETF Comparison
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iShares S&P 100 ETF (OEF) and iShares Russell Top 200 ETF (IWL) belong to the same industry segment: US Large Cap. Both ETFs have the same top 3 sector exposures: Technology, Finance and Consumer Non-Cyclicals. OEF is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.15% for IWL. OEF is up 6.43% year-to-date (YTD) with -$10.07B in YTD flows. IWL performs better with 7.34% YTD performance, and +$3M in YTD flows. Run a side-by-side ETF comparison of OEF and IWL 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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OEF vs IWL performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | OEF IWL | +0.04%-0.55% | +3.00%+2.96% | +6.43%+7.34% | +16.46%+16.56% | +77.40%+73.24% | +90.22%+83.17% |
| Flows | OEF IWL | -$166M+$18M | -$402M+$211K | -$10.07B+$3M | -$4.49B+$105M | +$2.58B+$431M | +$2.80B+$385M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | OEF IWL | +14.24%+13.51% | +13.75%+13.27% | +16.15%+15.56% | +17.90%+17.42% |
| Max drawdown | OEF IWL | -5.41%-4.76% | -10.96%-9.79% | -19.77%-19.22% | -26.44%-25.69% |
| Max drawdown duration | OEF IWL | 56d55d | 169d92d | 126d126d | 696d707d |
Trading data
OEF | IWL | |
Last sale 7/28/2026 at 5:54 PM | $364.45 | $182.68 |
| Previous close 07/27/2026 | $363.22 | $182.27 |
| Consolidated volume 07/27/2026 | ||
| 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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OEF | IWL | |
|---|---|---|
| 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 5:54 PM
Live
Closed
OEF | IWL | |
|---|---|---|
| Last price | $364.45 | $182.68 |
| 1D performance | +0.34% | +0.22% |
| AuM | $19.72 B | $2.17 B |
| E/R | 0.2% | 0.15% |
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Exposure
Countries
OEF
USA
98.96%
Other
1.04%
IWL
USA
97.69%
Other
2.31%
Sectors
OEF
Technology
53.77%
Finance
11.08%
Consumer Non-Cycl.
10.3%
Healthcare
8.67%
Other
16.18%
IWL
Technology
49.96%
Finance
11.96%
Consumer Non-Cycl.
9.2%
Healthcare
8.44%
Industrials
7.19%
Other
13.26%
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Diversification
OEF
Total weight of top 15 holdings out of 15
60.12%
IWL
Total weight of top 15 holdings out of 15
49.56%
Top 15 holdings
Data as of June 30, 2026
OEF
NVIDIA Corp.
10.47%
Apple, Inc.
9.18%
Microsoft Corp.
5.99%
Amazon.com, Inc.
5.04%
Alphabet, Inc.
4.53%
Broadcom Inc.
3.86%
Alphabet, Inc.
3.61%
Micron Technology, Inc.
2.81%
Meta Platforms, Inc.
2.67%
Tesla, Inc.
2.56%
Eli Lilly & Co.
2.05%
Advanced Micro Devices, Inc.
2.05%
Berkshire Hathaway, Inc.
1.98%
JPMorgan Chase & Co.
1.90%
Intel Corp.
1.43%
IWL
NVIDIA Corp.
8.40%
Apple, Inc.
7.53%
Microsoft Corp.
4.99%
Amazon.com, Inc.
4.16%
Alphabet, Inc.
3.75%
Broadcom Inc.
3.16%
Alphabet, Inc.
3.02%
Micron Technology, Inc.
2.34%
Meta Platforms, Inc.
2.23%
Tesla, Inc.
2.21%
Eli Lilly & Co.
1.72%
Advanced Micro Devices, Inc.
1.70%
Berkshire Hathaway, Inc.
1.68%
JPMorgan Chase & Co.
1.57%
Intel Corp.
1.10%
Frequently asked questions about OEF and IWL
How have the OEF and IWL ETFs performed in 2026?
As of July 27, 2026, OEF is up 6.43% year-to-date (YTD), while IWL has returned 7.34%. That puts IWL better performer ahead so far this year.
Which ETF is attracting more investor money: OEF or IWL?
Year-to-date, the OEF ETF saw -$10.07B in flows, compared to +$3M for IWL.
Which ETF is more volatile: OEF or IWL?
Over the past year, OEF had a volatility of 13.75%, while IWL experienced 13.27%.
Which ETF is bigger: OEF or IWL?
As of July 27, 2026, OEF holds $19.72 B in assets under management (AUM), while IWL manages $2.17 B.
What sectors do the OEF and IWL ETFs invest in?
OEF leans toward sectors like Technology, Finance and Consumer Non-Cyclicals. Meanwhile, IWL focuses on Technology, Finance and Consumer Non-Cyclicals.
What are the top holdings of the OEF ETF and IWL ETF?
OEF top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. IWL holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: OEF or IWL?
OEF holds 103 securities with 60.12% of its assets in the top 15. IWL has 201 securities and a top 15 weight of 49.56%.
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