IYW vs XLK: holdings overlap, shared companies and scores
As of September 11, 2026, IYW and XLK overlap 77.5% by weight. iShares U.S. Technology ETF (IYW): U.S. technology sector stocks. State Street Technology Select Sector SPDR ETF (XLK): U.S. technology sector.
Updated September 11, 2026
How much do IYW and XLK overlap?
As of September 11, 2026, IYW and XLK overlap 77.5% by weight.
79% of IYW is already inside XLK.
91% of XLK is already inside IYW.
IYW holds 152 companies and XLK holds 72; 57 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score IYW and XLK?
As of September 11, 2026, ETF Copilot scores IYW 6.5 out of 10 and XLK 6.6 out of 10.
They differ most on Valuation: IYW 3.3 and XLK 1.3.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | IYW | XLK |
|---|---|---|
| Growth | 6.6 | 8.4 |
| Valuation | 3.3 | 1.3 |
| Risk | 1.9 | 2.0 |
| Quality | 9.7 | 9.6 |
| Return | 9.5 | 9.5 |
XLK is the cheaper of the two at 0.08% a year
As of September 11, 2026, IYW charges 0.37% a year, yields 0.44% and holds $25.1B in assets across 152 positions.
As of September 11, 2026, XLK charges 0.08% a year, yields 0.60% and holds $122.5B in assets across 72 positions.
| Measure | IYW | XLK |
|---|---|---|
| Expense ratio | 0.37% | 0.08% |
| Dividend yield | 0.44% | 0.60% |
| Assets under management | $25.1B | $122.5B |
| Holdings | 152 | 72 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Where IYW and XLK trade against their own history
IYW trades at 31.0 times earnings, against its own median of 27.1, and is more expensive than 73% of its own 114 monthly readings since 2017.
XLK trades at 35.5 times earnings, against its own median of 28.2, and is more expensive than 86% of its own 114 monthly readings since 2017.
What moved XLK this week
XLK rose 0.9% in the week to September 11, 2026. The holdings that moved it most were Advanced Micro Devices (+13.1%), Intel (+12.3%) and Marvell Technology (+13.1%); Nvidia (−4.4%) pushed the other way.
What do IYW and XLK each hold?
What's inside IYW: Tech 98%, Magnificent 7 52%.
65% of IYW is its ten largest holdings.
What's inside XLK: Tech 100%, Semiconductors 44%.
61% of XLK is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “IYW vs XLK holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/iyw-vs-xlk
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