XLK vs IYW: Holdings Overlap
XLKState Street® Technology Select Sector SPDR® ETF
State Street (SPDR) · 73 holdings · $122.8B · as of 2026-08-06
IYWiShares U.S. Technology ETF
iShares · 139 holdings · $25.2B · as of 2026-04-30
Holdings snapshots are 98 days apart (XLK: 2026-08-06, IYW: 2026-04-30). 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 XLK and IYW?
State Street® Technology Select Sector SPDR® ETF (XLK, by State Street (SPDR)) holds 73 positions; iShares U.S. Technology ETF (IYW, by iShares) holds 139. 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
- 58XLK holds 73 · IYW holds 139
- Weight in Shared Holdings
- XLK 90%·IYW 76%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 XLK
15 of 73 positions (9.7% of the fund) are not held by IYW.
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 | XLK | IYW |
|---|---|---|
| Information Technology | 99.9% | 80.4% |
| Communication Services | 0.0% | 17.9% |
| Industrials | 0.0% | 1.0% |
| Consumer Discretionary | 0.0% | 0.4% |
| Financials | 0.0% | 0.1% |
| 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 |
|---|---|---|---|---|---|---|---|
| XLK | +4.9% | +30.9% | +43.5% | +30.7% | +20.3% | +24.4% | 0.42% |
| IYW | +4.4% | +27.3% | +39.7% | +32.8% | +19.8% | +24.9% | 0.10% |
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 XLK vs IYW →
Shared Holdings(58)
The top 10 shared positions account for 68% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 14.35% | 16.23% | 14.35% |
|---|---|---|---|
 AAPLApple Inc. COM | 12.41% | 13.63% | 12.41% |
 MSFTMicrosoft Corp. COM | 10.04% | 3.99% | 3.99% |
 AVGOBroadcom Inc COM | 5.39% | 3.78% | 3.78% |
 AMDAdvanced Micro Devices Inc. COM | 4.11% | 3.50% | 3.50% |
 MUMicron Technology Inc. COM | 3.70% | 2.98% | 2.98% |
 INTCIntel Corporation COM | 3.11% | 2.56% | 2.56% |
 LRCXLam Research Corporation COM NEW | 2.53% | 1.98% | 1.98% |
 AMATApplied Materials Inc. COM | 2.77% | 1.92% | 1.92% |
 PLTRPalantir Technologies, Inc., Class A | 2.36% | 1.86% | 1.86% |
 ORCLOracle Corp. COM | 1.61% | 1.67% | 1.61% |
 TXNTexas Instruments Inc. COM | 1.67% | 1.57% | 1.57% |
 KLACKLA Corp. COM NEW | 1.67% | 1.41% | 1.41% |
 IBMInternational Business Machines Corp. COM | 1.45% | 1.32% | 1.32% |
 ADIAnalog Devices Inc. COM | 1.22% | 1.21% | 1.21% |
 QCOMQUALCOMM Inc. COM | 1.12% | 1.18% | 1.12% |
 APHAmphenol Corporation CL A | 1.39% | 1.10% | 1.10% |
 CRMSalesforce Inc. COM | 1.01% | 0.99% | 0.99% |
 SNDKSandisk Corporation COM | 1.23% | 0.96% | 0.96% |
 WDCWestern Digital Corp. COM | 1.03% | 0.91% | 0.91% |
 PANWPalo Alto Networks Inc COM | 1.93% | 0.88% | 0.88% |
 MRVLMarvell Technology Inc COM | 1.22% | 0.86% | 0.86% |
 GLWCorning Incorporated COM | 0.81% | 0.79% | 0.79% |
 CRWDCrowdstrike Holdings, Inc., Class A | 1.39% | 0.68% | 0.68% |
 ADBEAdobe Inc COM | 0.69% | 0.62% | 0.62% |
Frequently Asked Questions
How much do XLK and IYW overlap?
XLK and IYW overlap by 73.0% of portfolio weight. They share 58 holdings (XLK holds 73 positions and IYW holds 139), based on each fund's latest SEC-reported holdings.
Is it redundant to own both XLK and IYW?
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 XLK and IYW?
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 XLK own that IYW doesn't?
15 positions (9.7% of XLK) are unique to XLK, led by CSCO, ANET and STX. In the other direction, 81 positions (23.4% of IYW) are unique to IYW.