VBK vs XSD: Holdings Overlap
VBKVanguard Small-cap Growth Index Fund
Vanguard · 551 holdings · $24.3B · 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 (VBK: 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 VBK and XSD?
Vanguard Small-cap Growth Index Fund (VBK, by Vanguard) holds 551 positions; State Street® SPDR® S&P® Semiconductor ETF (XSD, by State Street (SPDR)) holds 46. They have 16 holdings in common, and by portfolio weight the two funds are 4.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 4.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 16VBK holds 551 · XSD holds 46
- Weight in Shared Holdings
- VBK 4%·XSD 41%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 VBK
535 of 551 positions (95.7% of the fund) are not held by XSD. Showing the top 30 by weight.
Sector Breakdown
| Sector | VBK | XSD |
|---|---|---|
| Information Technology | 21.6% | 95.2% |
| Industrials | 24.6% | 1.8% |
| Health Care | 16.1% | 0.0% |
| Consumer Discretionary | 9.9% | 0.0% |
| Financials | 6.1% | 0.0% |
| Other Sectors | 20.6% | 0.0% |
| Unclassified | 0.9% | 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 VBK, 3% of XSD).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| VBK | +1.8% | +19.6% | +29.4% | +16.6% | +5.3% | +11.4% | 0.42% |
| 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 VBK vs XSD →
Shared Holdings(16)
The top 10 shared positions account for 88% of the overlap, led by ALAB, CRDO and MTSI.
 ALABAstera Labs Inc COM | 0.53% | 2.57% | 0.53% |
|---|---|---|---|
 CRDOCredo Technology Group Holding Ltd ORDINARY SHARES | 0.51% | 2.49% | 0.51% |
 MTSIMACOM Technology Solutions Holdings Inc. COM | 0.50% | 2.19% | 0.50% |
 LSCCLattice Semiconductor Corporation COM | 0.42% | 2.49% | 0.42% |
 FSLRFirst Solar Inc COM | 0.34% | 2.51% | 0.34% |
 RMBSRambus Inc. COM | 0.31% | 1.82% | 0.31% |
 SITMSitime Corporation COM | 0.26% | 2.66% | 0.26% |
 SMTCSemtech Corporation COM | 0.24% | 2.24% | 0.24% |
 SLABSilicon Laboratories, Inc. COM | 0.23% | 2.57% | 0.23% |
 OLEDUniversal Display Corporation | 0.14% | 2.56% | 0.14% |
 ALGMAllegro MicroSystems Inc COM | 0.13% | 2.45% | 0.13% |
 DIODDiodes Incorporated COM | 0.10% | 2.52% | 0.10% |
 PIImpinj Inc COM | 0.10% | 3.60% | 0.10% |
 AMBAAmbarella Inc COM USD0.00045 | 0.07% | 3.44% | 0.07% |
 MXLMaxlinear Inc COM | 0.05% | 2.50% | 0.05% |
 POWIPower Integrations Inc. COM | 0.05% | 2.03% | 0.05% |
Frequently Asked Questions
How much do VBK and XSD overlap?
VBK and XSD overlap by 4.0% of portfolio weight. They share 16 holdings (VBK holds 551 positions and XSD holds 46), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VBK and XSD?
The two portfolios are 4.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of VBK and XSD?
The largest positions held by both funds are ALAB, CRDO, MTSI, LSCC and FSLR. Together the top 10 shared positions account for 88% of the total overlap.
What does VBK own that XSD doesn't?
535 positions (95.7% of VBK) are unique to VBK, led by FTI, CIEN and CASY. In the other direction, 30 positions (59.3% of XSD) are unique to XSD.