SOXX vs XSD: Holdings Overlap
iShares · 30 holdings · $47.6B · as of 2026-03-31
XSDState Street® SPDR® S&P® Semiconductor ETF
State Street (SPDR) · 46 holdings · $2.9B · as of 2026-08-06
Holdings snapshots are 128 days apart (SOXX: 2026-03-31, XSD: 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 SOXX and XSD?
iShares Semiconductor ETF (SOXX, by iShares) holds 30 positions; State Street® SPDR® S&P® Semiconductor ETF (XSD, by State Street (SPDR)) holds 46. They have 18 holdings in common, and by portfolio weight the two funds are 36.6% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 36.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 18SOXX holds 30 · XSD holds 46
- Weight in Shared Holdings
- SOXX 69%·XSD 43%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
12 of 30 positions (30.4% of the fund) are not held by XSD.
Sector Breakdown
| Sector | SOXX | XSD |
|---|---|---|
| Information Technology | 98.6% | 95.2% |
| Industrials | 0.0% | 1.8% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 1.2% | 2.9% |
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. “Unclassified” is weight we could not classify (1% of SOXX, 3% of XSD).
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% |
| XSD | +1.8% | +69.5% | +104.0% | +35.6% | +22.7% | +27.6% | 0.14% |
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 XSD →
Shared Holdings(18)
The top 10 shared positions account for 69% of the overlap, led by AVGO, NVDA and AMD.
 AVGOBroadcom Inc COM | 8.27% | 2.90% | 2.90% |
|---|---|---|---|
 NVDANVIDIA Corp. COM | 8.40% | 2.81% | 2.81% |
 AMDAdvanced Micro Devices Inc. COM | 6.47% | 2.78% | 2.78% |
 MUMicron Technology Inc. COM | 6.99% | 2.54% | 2.54% |
 TXNTexas Instruments Inc. COM | 3.91% | 2.53% | 2.53% |
 ADIAnalog Devices Inc. COM | 3.82% | 2.47% | 2.47% |
 INTCIntel Corporation COM | 4.13% | 2.39% | 2.39% |
 MPWRMonolithic Power Systems Inc. COM | 4.08% | 2.37% | 2.37% |
 MCHPMicrochip Technology Incorporated COM | 3.02% | 2.17% | 2.17% |
 QCOMQUALCOMM Inc. COM | 3.86% | 2.15% | 2.15% |
 MRVLMarvell Technology Inc COM | 5.17% | 2.14% | 2.14% |
 NXPINXP Semiconductors NV EUR0.20 | 3.70% | 2.08% | 2.08% |
 ONON Semiconductor Corp. COM | 2.14% | 1.83% | 1.83% |
 CRDOCredo Technology Group Holding Ltd ORDINARY SHARES | 1.34% | 2.49% | 1.34% |
 MTSIMACOM Technology Solutions Holdings Inc. COM | 1.31% | 2.19% | 1.31% |
 ALABAstera Labs Inc COM | 1.31% | 2.57% | 1.31% |
 RMBSRambus Inc. COM | 0.81% | 1.82% | 0.81% |
 SWKSSkyworks Solutions, Inc. COM | 0.71% | 2.44% | 0.71% |
Frequently Asked Questions
How much do SOXX and XSD overlap?
SOXX and XSD overlap by 36.6% of portfolio weight. They share 18 holdings (SOXX holds 30 positions and XSD holds 46), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SOXX and XSD?
The two portfolios are 36.6% 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 SOXX and XSD?
The largest positions held by both funds are AVGO, NVDA, AMD, MU and TXN. Together the top 10 shared positions account for 69% of the total overlap.
What does SOXX own that XSD doesn't?
12 positions (30.4% of SOXX) are unique to SOXX, led by AMAT, KLAC and TER. In the other direction, 28 positions (57.3% of XSD) are unique to XSD.