XSD vs SOXX: Holdings Overlap
XSDState Street® SPDR® S&P® Semiconductor ETF
State Street (SPDR) · 46 holdings · $2.9B · as of 2026-08-06
iShares · 30 holdings · $47.6B · as of 2026-03-31
Holdings snapshots are 128 days apart (XSD: 2026-08-06, SOXX: 2026-03-31). 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 XSD and SOXX?
State Street® SPDR® S&P® Semiconductor ETF (XSD, by State Street (SPDR)) holds 46 positions; iShares Semiconductor ETF (SOXX, by iShares) holds 30. 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
- 18XSD holds 46 · SOXX holds 30
- Weight in Shared Holdings
- XSD 43%·SOXX 69%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 XSD
28 of 46 positions (57.3% of the fund) are not held by SOXX.
Sector Breakdown
| Sector | XSD | SOXX |
|---|---|---|
| Information Technology | 95.2% | 98.6% |
| Industrials | 1.8% | 0.0% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 2.9% | 1.2% |
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 (3% of XSD, 1% of SOXX).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| XSD | +1.8% | +69.5% | +104.0% | +35.6% | +22.7% | +27.6% | 0.14% |
| SOXX | -1.5% | +80.6% | +126.6% | +47.5% | +29.5% | +32.9% | 0.27% |
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 XSD vs SOXX →
Shared Holdings(18)
The top 10 shared positions account for 69% of the overlap, led by AVGO, NVDA and AMD.
 AVGOBroadcom Inc COM | 2.90% | 8.27% | 2.90% |
|---|---|---|---|
 NVDANVIDIA Corp. COM | 2.81% | 8.40% | 2.81% |
 AMDAdvanced Micro Devices Inc. COM | 2.78% | 6.47% | 2.78% |
 MUMicron Technology Inc. COM | 2.54% | 6.99% | 2.54% |
 TXNTexas Instruments Inc. COM | 2.53% | 3.91% | 2.53% |
 ADIAnalog Devices Inc. COM | 2.47% | 3.82% | 2.47% |
 INTCIntel Corporation COM | 2.39% | 4.13% | 2.39% |
 MPWRMonolithic Power Systems Inc. COM | 2.37% | 4.08% | 2.37% |
 MCHPMicrochip Technology Incorporated COM | 2.17% | 3.02% | 2.17% |
 QCOMQUALCOMM Inc. COM | 2.15% | 3.86% | 2.15% |
 MRVLMarvell Technology Inc COM | 2.14% | 5.17% | 2.14% |
 NXPINXP Semiconductors NV EUR0.20 | 2.08% | 3.70% | 2.08% |
 ONON Semiconductor Corp. COM | 1.83% | 2.14% | 1.83% |
 CRDOCredo Technology Group Holding Ltd ORDINARY SHARES | 2.49% | 1.34% | 1.34% |
 MTSIMACOM Technology Solutions Holdings Inc. COM | 2.19% | 1.31% | 1.31% |
 ALABAstera Labs Inc COM | 2.57% | 1.31% | 1.31% |
 RMBSRambus Inc. COM | 1.82% | 0.81% | 0.81% |
 SWKSSkyworks Solutions, Inc. COM | 2.44% | 0.71% | 0.71% |
Frequently Asked Questions
How much do XSD and SOXX overlap?
XSD and SOXX overlap by 36.6% of portfolio weight. They share 18 holdings (XSD holds 46 positions and SOXX holds 30), based on each fund's latest SEC-reported holdings.
Is it redundant to own both XSD and SOXX?
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 XSD and SOXX?
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 XSD own that SOXX doesn't?
28 positions (57.3% of XSD) are unique to XSD, led by PI, AMBA and SITM. In the other direction, 12 positions (30.4% of SOXX) are unique to SOXX.