IYW vs XLK: Holdings Overlap
IYWiShares U.S. Technology ETF
iShares · 139 holdings · $25.2B · as of 2026-04-30
XLKState Street® Technology Select Sector SPDR® ETF
State Street (SPDR) · 73 holdings · $122.8B · as of 2026-08-06
Holdings snapshots are 98 days apart (IYW: 2026-04-30, XLK: 2026-08-06). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are IYW and XLK?
iShares U.S. Technology ETF (IYW, by iShares) holds 139 positions; State Street® Technology Select Sector SPDR® ETF (XLK, by State Street (SPDR)) holds 73. They have 58 holdings in common, and by portfolio weight the two funds are 73.0% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 73.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 58IYW holds 139 · XLK holds 73
- Weight in Shared Holdings
- IYW 76%·XLK 90%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in IYW
81 of 139 positions (23.4% of the fund) are not held by XLK. Showing the top 30 by weight.
Sector Breakdown
| Sector | IYW | XLK |
|---|---|---|
| Information Technology | 80.4% | 99.9% |
| Communication Services | 17.9% | 0.0% |
| Industrials | 1.0% | 0.0% |
| Consumer Discretionary | 0.4% | 0.0% |
| Financials | 0.1% | 0.0% |
| Other Sectors | 0.0% | 0.0% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IYW | +4.4% | +27.3% | +39.7% | +32.8% | +19.8% | +24.9% | 0.10% |
| XLK | +4.9% | +30.9% | +43.5% | +30.7% | +20.3% | +24.4% | 0.42% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in IYW vs XLK →
Shared Holdings(58)
The top 10 shared positions account for 68% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 16.23% | 14.35% | 14.35% |
|---|---|---|---|
 AAPLApple Inc. COM | 13.63% | 12.41% | 12.41% |
 MSFTMicrosoft Corp. COM | 3.99% | 10.04% | 3.99% |
 AVGOBroadcom Inc COM | 3.78% | 5.39% | 3.78% |
 AMDAdvanced Micro Devices Inc. COM | 3.50% | 4.11% | 3.50% |
 MUMicron Technology Inc. COM | 2.98% | 3.70% | 2.98% |
 INTCIntel Corporation COM | 2.56% | 3.11% | 2.56% |
 LRCXLam Research Corporation COM NEW | 1.98% | 2.53% | 1.98% |
 AMATApplied Materials Inc. COM | 1.92% | 2.77% | 1.92% |
 PLTRPalantir Technologies, Inc., Class A | 1.86% | 2.36% | 1.86% |
 ORCLOracle Corp. COM | 1.67% | 1.61% | 1.61% |
 TXNTexas Instruments Inc. COM | 1.57% | 1.67% | 1.57% |
 KLACKLA Corp. COM NEW | 1.41% | 1.67% | 1.41% |
 IBMInternational Business Machines Corp. COM | 1.32% | 1.45% | 1.32% |
 ADIAnalog Devices Inc. COM | 1.21% | 1.22% | 1.21% |
 QCOMQUALCOMM Inc. COM | 1.18% | 1.12% | 1.12% |
 APHAmphenol Corporation CL A | 1.10% | 1.39% | 1.10% |
 CRMSalesforce Inc. COM | 0.99% | 1.01% | 0.99% |
 SNDKSandisk Corporation COM | 0.96% | 1.23% | 0.96% |
 WDCWestern Digital Corp. COM | 0.91% | 1.03% | 0.91% |
 PANWPalo Alto Networks Inc COM | 0.88% | 1.93% | 0.88% |
 MRVLMarvell Technology Inc COM | 0.86% | 1.22% | 0.86% |
 GLWCorning Incorporated COM | 0.79% | 0.81% | 0.79% |
 CRWDCrowdstrike Holdings, Inc., Class A | 0.68% | 1.39% | 0.68% |
 ADBEAdobe Inc COM | 0.62% | 0.69% | 0.62% |
Frequently Asked Questions
How much do IYW and XLK overlap?
IYW and XLK overlap by 73.0% of portfolio weight. They share 58 holdings (IYW holds 139 positions and XLK holds 73), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IYW and XLK?
The two portfolios are 73.0% identical by weight. Owning both mostly doubles down on the shared core rather than diversifying: the same large positions drive both funds.
What are the biggest shared holdings of IYW and XLK?
The largest positions held by both funds are NVDA, AAPL, MSFT, AVGO and AMD. Together the top 10 shared positions account for 68% of the total overlap.
What does IYW own that XLK doesn't?
81 positions (23.4% of IYW) are unique to IYW, led by GOOGL, GOOG and META. In the other direction, 15 positions (9.7% of XLK) are unique to XLK.