VOO vs XLK: Holdings Overlap
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
XLKState Street® Technology Select Sector SPDR® ETF
State Street (SPDR) · 73 holdings · $122.8B · as of 2026-08-06
Holdings snapshots are 128 days apart (VOO: 2026-03-31, 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 VOO and XLK?
Vanguard 500 Index Fund (VOO, by Vanguard) holds 504 positions; State Street® Technology Select Sector SPDR® ETF (XLK, by State Street (SPDR)) holds 73. They have 71 holdings in common, and by portfolio weight the two funds are 32.7% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 32.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 71VOO holds 504 · XLK holds 73
- Weight in Shared Holdings
- VOO 33%·XLK 98%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 VOO
433 of 504 positions (67.1% of the fund) are not held by XLK. Showing the top 30 by weight.
Sector Breakdown
| Sector | VOO | XLK |
|---|---|---|
| Information Technology | 32.7% | 99.9% |
| Financials | 12.4% | 0.0% |
| Communication Services | 10.5% | 0.0% |
| Consumer Discretionary | 9.9% | 0.0% |
| Health Care | 9.5% | 0.0% |
| Other Sectors | 24.9% | 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 |
|---|---|---|---|---|---|---|---|
| VOO | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.03% |
| 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 VOO vs XLK →
Shared Holdings(71)
The top 10 shared positions account for 77% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 7.58% | 14.35% | 7.58% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.66% | 12.41% | 6.66% |
 MSFTMicrosoft Corp. COM | 4.91% | 10.04% | 4.91% |
 AVGOBroadcom Inc COM | 2.62% | 5.39% | 2.62% |
 MUMicron Technology Inc. COM | 0.68% | 3.70% | 0.68% |
 PLTRPalantir Technologies, Inc., Class A | 0.60% | 2.36% | 0.60% |
 AMDAdvanced Micro Devices Inc. COM | 0.59% | 4.11% | 0.59% |
 CSCOCisco Systems, Inc. COM | 0.55% | 3.15% | 0.55% |
 AMATApplied Materials Inc. COM | 0.48% | 2.77% | 0.48% |
 LRCXLam Research Corporation COM NEW | 0.48% | 2.53% | 0.48% |
 ORCLOracle Corp. COM | 0.45% | 1.61% | 0.45% |
 IBMInternational Business Machines Corp. COM | 0.41% | 1.45% | 0.41% |
 INTCIntel Corporation COM | 0.37% | 3.11% | 0.37% |
 KLACKLA Corp. COM NEW | 0.35% | 1.67% | 0.35% |
 TXNTexas Instruments Inc. COM | 0.32% | 1.67% | 0.32% |
 CRMSalesforce Inc. COM | 0.31% | 1.01% | 0.31% |
 ADIAnalog Devices Inc. COM | 0.28% | 1.22% | 0.28% |
 APHAmphenol Corporation CL A | 0.28% | 1.39% | 0.28% |
 QCOMQUALCOMM Inc. COM | 0.25% | 1.12% | 0.25% |
 PANWPalo Alto Networks Inc COM | 0.23% | 1.93% | 0.23% |
 ANETArista Networks Inc COM SHS | 0.23% | 1.31% | 0.23% |
 ACNAccenture PLC CLS'A'USD0.0000225 | 0.22% | 0.69% | 0.22% |
 INTUIntuit Inc COM | 0.22% | 0.59% | 0.22% |
 NOWServicenow Inc COM | 0.20% | 0.80% | 0.20% |
 GLWCorning Incorporated COM | 0.19% | 0.81% | 0.19% |
Frequently Asked Questions
How much do VOO and XLK overlap?
VOO and XLK overlap by 32.7% of portfolio weight. They share 71 holdings (VOO holds 504 positions and XLK holds 73), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VOO and XLK?
The two portfolios are 32.7% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of VOO and XLK?
The largest positions held by both funds are NVDA, AAPL, MSFT, AVGO and MU. Together the top 10 shared positions account for 77% of the total overlap.
What does VOO own that XLK doesn't?
433 positions (67.1% of VOO) are unique to VOO, led by AMZN, GOOGL and GOOG. In the other direction, 2 positions (1.5% of XLK) are unique to XLK.