iShares U.S. Technology ETF (IYW) and State Street® Technology Select Sector SPDR® ETF (XLK) share 59 holdings, with roughly 80.3% of their portfolio weight overlapping.
Weight overlap
80.3%
Shared portfolio weight
Shared holdings
59
Securities in both funds
Funds
IYW · XLK
Compared side by side
Interactive charts, sector exposure, combined allocation, and the full overlap heatmap.
Every holding both funds own, ranked by shared exposure (how much of the position they hold in common). The weight gap shows which fund tilts more heavily into it.
| Holding | In IYW | In XLK | Weight gap |
|---|---|---|---|
| NVDANVIDIA | 16.77% | 15.46% | 1.31%IYW |
| AAPLApple | 15.55% | 13.84% | 1.71%IYW |
| MSFTMicrosoft | 11.85% | 10.32% | 1.53%IYW |
| AMDADVANCED MICRO DEVICES | 3.31% | 5.14% | 1.83%XLK |
| AVGOBROADCOM | 3.11% | 4.84% | 1.73%XLK |
| MUMICRON TECHNOLOGY | 3.07% | 4.58% | 1.51%XLK |
| INTCINTEL | 2.78% | 3.48% | 0.70%XLK |
| PLTRPALANTIR TECHNOLOGIES A | 2.05% | 2.40% | 0.35%XLK |
| LRCXLAM RESEARCH | 1.84% | 2.20% | 0.36%XLK |
| AMATAPPLIED MATERIALS | 1.80% | 2.12% | 0.32%XLK |
| PANWPALO ALTO NETWORKS | 1.50% | 1.73% | 0.23%XLK |
| CRWDCROWDSTRIKE HOLDINGS A | 1.25% | 1.44% | 0.19%XLK |
| SNDKSANDISK | 1.22% | 1.56% | 0.34%XLK |
| TXNTEXAS INSTRUMENTS | 1.18% | 1.40% | 0.22%XLK |
| KLACKLA | 1.17% | 1.39% | 0.22%XLK |
| ORCLORACLE | 1.14% | 1.46% | 0.32%XLK |
| MRVLMARVELL TECHNOLOGY | 1.08% | 1.30% | 0.22%XLK |
| IBMInternational Business Machines | 1.02% | 1.23% | 0.21%XLK |
| QCOMQUALCOMM | 0.98% | 1.20% | 0.22%XLK |
| APHAMPHENOL CL A | 0.97% | 1.15% | 0.18%XLK |
| CRMSALESFORCE | 0.91% | 1.08% | 0.17%XLK |
| ADIANALOG DEVICES | 0.89% | 1.07% | 0.18%XLK |
| DELLDELL TECHNOLOGIES C | 0.77% | 0.94% | 0.17%XLK |
| WDCWESTERN DIGITAL | 0.74% | 0.95% | 0.21%XLK |
| NOWSERVICENOW | 0.68% | 0.80% | 0.12%XLK |
| GLWCORNING | 0.58% | 0.72% | 0.14%XLK |
| FTNTFORTINET | 0.52% | 0.61% | 0.09%XLK |
| ADBEADOBE | 0.45% | 0.54% | 0.09%XLK |
| CDNSCADENCE DESIGN SYS | 0.42% | 0.47% | 0.05%XLK |
| DDOGDATADOG CLASS A | 0.40% | 0.47% | 0.07%XLK |
| HPEHEWLETT PACKARD ENTERPRISE | 0.40% | 0.46% | 0.06%XLK |
| SNPSSYNOPSYS | 0.38% | 0.44% | 0.06%XLK |
| INTUINTUIT | 0.35% | 0.45% | 0.10%XLK |
| MPWRMONOLITHIC POWER SYSTEMS | 0.30% | 0.38% | 0.08%XLK |
| TERTERADYNE | 0.29% | 0.35% | 0.06%XLK |
| COHRCOHERENT | 0.26% | 0.34% | 0.08%XLK |
| ADSKAUTODESK | 0.21% | 0.26% | 0.05%XLK |
| FLEXFLEX LTD | 0.20% | 0.24% | 0.04%XLK |
| MCHPMICROCHIP TECHNOLOGY | 0.19% | 0.23% | 0.04%XLK |
| NTAPNETAPP | 0.19% | 0.21% | 0.02%XLK |
| WDAYWORKDAY CLASS A | 0.18% | 0.21% | 0.03%XLK |
| PPure Storage Class A | 0.18% | 0.21% | 0.03%XLK |
| ROPROPER TECHNOLOGIES | 0.17% | 0.20% | 0.03%XLK |
| JBLJABIL | 0.15% | 0.18% | 0.03%XLK |
| HPQHP | 0.14% | 0.17% | 0.03%XLK |
| ONON SEMICONDUCTOR | 0.14% | 0.16% | 0.02%XLK |
| CTSHCOGNIZANT TECH SOLUTIONS A | 0.12% | 0.15% | 0.03%XLK |
| FFIVF5 | 0.12% | 0.15% | 0.03%XLK |
| QQNITY ELECTRONICS | 0.12% | 0.15% | 0.03%XLK |
| SMCISUPER MICRO COMPUTER | 0.11% | 0.13% | 0.02%XLK |
| VRSNVERISIGN | 0.11% | 0.14% | 0.03%XLK |
| CDWCDW CORP/DE | 0.09% | 0.10% | 0.01%XLK |
| AKAMAKAMAI TECHNOLOGIES | 0.07% | 0.10% | 0.03%XLK |
| PTC | 0.07% | 0.09% | 0.02%XLK |
| GDDYGODADDY CLASS A | 0.06% | 0.07% | 0.01%XLK |
| GENGEN DIGITAL | 0.06% | 0.08% | 0.02%XLK |
| ITGARTNER | 0.06% | 0.06% | ≈ even |
| SWKSSKYWORKS SOLUTIONS | 0.06% | 0.08% | 0.02%XLK |
| TYLTYLER TECHNOLOGIES | 0.06% | 0.07% | 0.01%XLK |
1–20 of 59
How each fund's equity holdings break down by sector, side by side — the clearest read on where the two funds tilt differently.
| Sector | In IYW | In XLK |
|---|---|---|
Technology | 90.6% | 100.0% |
Communication Services | 8.7% | 0.0% |
Consumer Cyclical | 0.4% | 0.0% |
Financial Services | 0.2% | 0.0% |
Industrials | 0.1% | 0.0% |
Weights are of each fund’s classified equity holdings.
IYW
XLK
Two ETFs overlap when they hold the same underlying securities. Holding both funds can leave you more concentrated than you think — you may own the same large companies twice, at a combined weight neither fund shows on its own. The weight overlap above is the share of portfolio weight the two funds hold in common: for every security both own, it counts only the smaller of the two weights (the slice you genuinely double up on). 0% means completely different books; 100% means effectively identical funds.