SMH vs VOO: Holdings Overlap
VanEck · 25 holdings · $71.5B · as of 2026-03-31
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
How similar are SMH and VOO?
VanEck Semiconductor ETF (SMH, by VanEck) holds 25 positions; Vanguard 500 Index Fund (VOO, by Vanguard) holds 504. They have 19 holdings in common, and by portfolio weight the two funds are 14.7% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 14.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 19SMH holds 25 · VOO holds 504
- Weight in Shared Holdings
- SMH 79%·VOO 15%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 SMH
6 of 25 positions (21.3% of the fund) are not held by VOO.
Sector Breakdown
| Sector | SMH | VOO |
|---|---|---|
| Information Technology | 99.9% | 32.7% |
| Financials | 0.0% | 12.4% |
| Communication Services | 0.0% | 10.5% |
| Consumer Discretionary | 0.0% | 9.9% |
| Health Care | 0.0% | 9.5% |
| Other Sectors | 0.0% | 24.9% |
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 |
|---|---|---|---|---|---|---|---|
| SMH | +0.2% | +61.8% | +100.8% | +55.9% | +34.9% | +34.9% | 0.19% |
| VOO | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.03% |
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 SMH vs VOO →
Shared Holdings(19)
The top 10 shared positions account for 94% of the overlap, led by NVDA, AVGO and MU.
 NVDANVIDIA Corp. COM | 19.64% | 7.58% | 7.58% |
|---|---|---|---|
 AVGOBroadcom Inc COM | 7.79% | 2.62% | 2.62% |
 MUMicron Technology Inc. COM | 4.23% | 0.68% | 0.68% |
 AMDAdvanced Micro Devices Inc. COM | 4.68% | 0.59% | 0.59% |
 AMATApplied Materials Inc. COM | 4.59% | 0.48% | 0.48% |
 LRCXLam Research Corporation COM NEW | 4.60% | 0.48% | 0.48% |
 INTCIntel Corporation COM | 4.34% | 0.37% | 0.37% |
 KLACKLA Corp. COM NEW | 4.74% | 0.35% | 0.35% |
 TXNTexas Instruments Inc. COM | 4.61% | 0.32% | 0.32% |
 ADIAnalog Devices Inc. COM | 4.70% | 0.28% | 0.28% |
 QCOMQUALCOMM Inc. COM | 4.09% | 0.25% | 0.25% |
 SNPSSynopsys Inc COM | 2.50% | 0.14% | 0.14% |
 CDNSCadence Design Systems, Inc. COM | 2.43% | 0.14% | 0.14% |
 MPWRMonolithic Power Systems Inc. COM | 1.23% | 0.10% | 0.10% |
 NXPINXP Semiconductors NV EUR0.20 | 1.24% | 0.09% | 0.09% |
 TERTeradyne Inc. COM | 1.41% | 0.08% | 0.08% |
 MCHPMicrochip Technology Incorporated COM | 1.00% | 0.06% | 0.06% |
 ONON Semiconductor Corp. COM | 0.60% | 0.04% | 0.04% |
 SWKSSkyworks Solutions, Inc. COM | 0.21% | 0.01% | 0.01% |
Frequently Asked Questions
How much do SMH and VOO overlap?
SMH and VOO overlap by 14.7% of portfolio weight. They share 19 holdings (SMH holds 25 positions and VOO holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SMH and VOO?
The two portfolios are 14.7% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of SMH and VOO?
The largest positions held by both funds are NVDA, AVGO, MU, AMD and AMAT. Together the top 10 shared positions account for 94% of the total overlap.
What does SMH own that VOO doesn't?
6 positions (21.3% of SMH) are unique to SMH, led by TSM, ASML and MRVL. In the other direction, 485 positions (85.1% of VOO) are unique to VOO.