Data as of Oct 28, 2026.
IWF vs IYW: Differences, Returns & Fees
Over the year to Oct 28, 2026, IWF returned +0.9% to IYW's +23.2%; 60% of their weight is in the same names.
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Net assets on Oct 27, 2026: $124.7bn for iShares Russell 1000 Growth ETF and $25.0bn for iShares U.S. Technology ETF.
Pair scorecard
IWF costs 0.19 points a year less; their one-year returns differ by 22.3 points; IWF is 5.0 times larger.
| Measure | IWF | IYW |
|---|---|---|
| Return | ||
| Total return, 1 year | +0.9% | +23.2% |
| Drawdown | ||
| Below its high | 4.8%, high on Oct 6, 2026 | 5.5%, high on Oct 6, 2026 |
| Benchmark | ||
| What it tracks | Russell 1000 Growth Index | Russell 1000 Technology RIC 22 |
| Cost and size | ||
| Expense ratio | 0.18% | 0.37% |
| Net assets, as of Oct 27, 2026 | $124.7bn | $25.0bn |
| Holdings | ||
| Holdings in common | 60% | |
| Top ten holdings, share of the fund | 57.5% | 65.1% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Jun 2, 2000 to Oct 23, 2026 · 1,377 weekly returnsEach against its own benchmark: IWF against VONG, Oct 1, 2010 to Oct 23, 2026; IYW against IWB, May 26, 2000 to Oct 23, 2026.
IYW returned more: +829.0% to +629.2%. IWF swung less: 19.1% to 24.9%. IWF fell less at its worst: −63.4% to −81.3%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | IWF | IYW | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +629.2% | +829.0% | IYW | Price change plus distributions, reinvested. |
| Annualized | +7.8% | +8.8% | IYW | Total return as a yearly rate. |
| Price return | +457.0% | +701.0% | IYW | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 19.1% | 24.9% | IWF | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 13.5% | 17.4% | IWF | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −63.4% | −81.3% | IWF | Deepest fall from a high to the low after it. |
| Upside capture | 99.8% | 146.1% | Share of its benchmark's rise caught in the weeks it rose. | |
| Downside capture | 100.1% | 116.0% | Share of its benchmark's fall taken in the weeks it fell. Lower is better. | |
| Beta | 1.00 | 1.19 | Not an edge | How far it moves for each 1% its benchmark moves. |
| R squared | 1.00 | 0.70 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | ||||
| Sharpe | 0.40 | 0.39 | Tie | Return above Treasury bills per unit of volatility. |
| Sortino | 0.56 | 0.56 | Tie | Return above Treasury bills per unit of downside deviation. |
| Treynor | 0.149 | 0.088 | Return above Treasury bills per unit of beta. | |
| Calmar | 0.12 | 0.11 | IWF | Annualized return divided by the max drawdown. |
| Against the benchmark | ||||
| Benchmark | VONG | IWB | The ETF each fund is measured against. | |
| Alpha | −0.1% a year | +0.9% a year | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | −0.58 | 0.32 | Not an edge | How sure the alpha is. Below 2, it could be chance. |
| Alpha range | −0.6% to +0.3% | −4.4% to +6.1% | Includes zero | The 95% range for the yearly alpha. |
| Information ratio | −0.11 | 0.17 | Return against its benchmark per unit of tracking error. | |
| Tracking error | 1.0% | 14.2% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,377 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, IWF and IYW hold 60% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
60% in common
Only in one fund ↓
Side by side
IWF and IYW on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IWF and IYW do different jobs. What does each one do in a portfolio?
- What each follows. IWF follows Russell 1000 Growth Index and IYW follows Russell 1000 Technology RIC 22.
- One-year total return. Over 1 year to Oct 28, 2026 IWF returned +0.9% and IYW +23.2% with distributions reinvested, a gap of 22.3 points.
- Cost. IWF charges 0.18% of assets a year and IYW 0.37%, a gap of 0.19 points.
Data as of Oct 28, 2026.
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IWF
IWF tracks the Russell 1000 growth. Over the year to Oct 28, 2026 it returned +0.9% with distributions reinvested, against +1.1% for its benchmark, the Russell 1000 Growth Index. The prospectus expense ratio is 0.18% a year. By its holdings published by its issuer for Oct 27, 2026, 94% of the fund by weight is stocks the S&P 500 also holds, across 374 positions, with the top ten at 57.5%. It sat 4.8% below its high of Oct 6, 2026 on Oct 28, 2026.
IYW
IYW tracks an index of U.S. Technology. Over the year to Oct 28, 2026 it returned +23.2% with distributions reinvested, against +13.1% for its benchmark, the Russell 1000 Index. The prospectus expense ratio is 0.37% a year. By its holdings published by its issuer for Oct 27, 2026, 94% of the fund by weight is stocks the S&P 500 also holds, across 150 positions, with the top ten at 65.1%. It sat 5.5% below its high of Oct 6, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, IWF or IYW?
- In the year to Oct 28, 2026, with distributions reinvested, IWF returned +0.9% and IYW +23.2%.
- Which is cheaper, IWF or IYW?
- IWF is cheaper, by 0.19 percentage points a year. That is about $19 on $10,000 held for a year. Fees come from each fund's prospectus.
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How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, IWF against IYW, data as of Oct 28, 2026. https://etfiq.com/compare/any/iwf-vs-iyw
ETFIQ. (Oct 28, 2026). IWF against IYW. Retrieved from https://etfiq.com/compare/any/iwf-vs-iyw
[IWF against IYW (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iwf-vs-iyw)
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