SOXX vs SMH: Holdings Overlap
iShares · 30 holdings · $47.6B · as of 2026-03-31
VanEck · 25 holdings · $71.5B · as of 2026-03-31
How similar are SOXX and SMH?
iShares Semiconductor ETF (SOXX, by iShares) holds 30 positions; VanEck Semiconductor ETF (SMH, by VanEck) holds 25. They have 23 holdings in common, and by portfolio weight the two funds are 70.2% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 70.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 23SOXX holds 30 · SMH holds 25
- Weight in Shared Holdings
- SOXX 92%·SMH 95%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 SOXX
7 of 30 positions (7.8% of the fund) are not held by SMH.
Sector Breakdown
| Sector | SOXX | SMH |
|---|---|---|
| Information Technology | 98.6% | 99.9% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 1.2% | 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. “Unclassified” is weight we could not classify (1% of SOXX, 0% of SMH).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SOXX | -1.5% | +80.6% | +126.6% | +47.5% | +29.5% | +32.9% | 0.27% |
| SMH | +0.2% | +61.8% | +100.8% | +55.9% | +34.9% | +34.9% | 0.19% |
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 SOXX vs SMH →
Shared Holdings(23)
The top 10 shared positions account for 71% of the overlap, led by NVDA, AVGO and AMD.
 NVDANVIDIA Corp. | 8.40% | 19.64% | 8.40% |
|---|---|---|---|
 AVGOBroadcom, Inc. | 8.27% | 7.79% | 7.79% |
 AMDAdvanced Micro Devices, Inc. | 6.47% | 4.68% | 4.68% |
 AMATApplied Materials, Inc. | 5.84% | 4.59% | 4.59% |
 MUMicron Technology, Inc. | 6.99% | 4.23% | 4.23% |
 INTCIntel Corp. | 4.13% | 4.34% | 4.13% |
 KLACKLA Corp. | 4.12% | 4.74% | 4.12% |
 TXNTexas Instruments, Inc. | 3.91% | 4.61% | 3.91% |
 LRCXLam Research Corp. | 3.90% | 4.60% | 3.90% |
 QCOMQUALCOMM, Inc. | 3.86% | 4.09% | 3.86% |
 ADIAnalog Devices, Inc. | 3.82% | 4.70% | 3.82% |
 ASMLASML Holding NV (Registered), NYRS | 3.56% | 4.99% | 3.56% |
 TSMTaiwan Semiconductor Manufacturing Co. Ltd. | 3.53% | 11.84% | 3.53% |
 MRVLMarvell Technology, Inc. | 5.17% | 2.35% | 2.35% |
 TERTeradyne, Inc. | 3.95% | 1.41% | 1.41% |
 NXPINXP Semiconductors NV | 3.70% | 1.24% | 1.24% |
 MPWRMonolithic Power Systems, Inc. | 4.08% | 1.23% | 1.23% |
 MCHPMicrochip Technology, Inc. | 3.02% | 1.00% | 1.00% |
 STMSTMicroelectronics NV, NYRS | 0.61% | 0.90% | 0.61% |
 ONON Semiconductor Corp. | 2.14% | 0.60% | 0.60% |
 ARMARM Holdings plc | 0.57% | 0.76% | 0.57% |
 ALABAstera Labs, Inc. | 1.31% | 0.44% | 0.44% |
 SWKSSkyworks Solutions, Inc. | 0.71% | 0.21% | 0.21% |
Frequently Asked Questions
How much do SOXX and SMH overlap?
SOXX and SMH overlap by 70.2% of portfolio weight. They share 23 holdings (SOXX holds 30 positions and SMH holds 25), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SOXX and SMH?
The two portfolios are 70.2% 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 SOXX and SMH?
The largest positions held by both funds are NVDA, AVGO, AMD, AMAT and MU. Together the top 10 shared positions account for 71% of the total overlap.
What does SOXX own that SMH doesn't?
7 positions (7.8% of SOXX) are unique to SOXX, led by ENTG, CRDO and MTSI. In the other direction, 2 positions (4.9% of SMH) are unique to SMH.