IYW vs VIS: Holdings Overlap
IYWiShares U.S. Technology ETF
iShares · 139 holdings · $25.2B · as of 2026-04-30
VISVanguard Industrials Index Fund
Vanguard · 381 holdings · $8.5B · as of 2026-05-31
Holdings snapshots are 31 days apart (IYW: 2026-04-30, VIS: 2026-05-31). 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 IYW and VIS?
iShares U.S. Technology ETF (IYW, by iShares) holds 139 positions; Vanguard Industrials Index Fund (VIS, by Vanguard) holds 381. They have 10 holdings in common, and by portfolio weight the two funds are 1.2% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 10IYW holds 139 · VIS holds 381
- Weight in Shared Holdings
- IYW 1%·VIS 3%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 IYW
129 of 139 positions (98.7% of the fund) are not held by VIS. Showing the top 30 by weight.
Sector Breakdown
| Sector | IYW | VIS |
|---|---|---|
| Industrials | 1.0% | 99.3% |
| Information Technology | 80.4% | 0.3% |
| Communication Services | 17.9% | 0.0% |
| Consumer Discretionary | 0.4% | 0.0% |
| Financials | 0.1% | 0.0% |
| Other Sectors | 0.0% | 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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IYW | +4.4% | +27.3% | +39.7% | +32.8% | +19.8% | +24.9% | 0.10% |
| VIS | +1.5% | +20.1% | +25.2% | +20.8% | +14.0% | +14.1% | 0.87% |
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 IYW vs VIS →
Shared Holdings(10)
The top 10 shared positions account for 100% of the overlap, led by VRT, LDOS and SSNC.
 VRTVertiv Holdings Co., Class A | 0.77% | 1.63% | 0.77% |
|---|---|---|---|
 LDOSLeidos Holdings Inc COM | 0.12% | 0.22% | 0.12% |
 SSNCSS&C Technologies Holdings Inc. COM | 0.09% | 0.21% | 0.09% |
 CACICACI International, Inc., Class A | 0.07% | 0.16% | 0.07% |
 PAYCPaycom Software Inc COM | 0.04% | 0.10% | 0.04% |
 KBRKBR Inc COM | 0.03% | 0.06% | 0.03% |
 SAICScience Applications International Corp. COM | 0.03% | 0.07% | 0.03% |
 PSNParsons Corporation COM | 0.02% | 0.05% | 0.02% |
 CNXCConcentrix Corp. COM | 0.01% | 0.01% | 0.01% |
 CLVTClarivate PLC COM NPV | 0.01% | 0.01% | 0.01% |
Frequently Asked Questions
How much do IYW and VIS overlap?
IYW and VIS overlap by 1.2% of portfolio weight. They share 10 holdings (IYW holds 139 positions and VIS holds 381), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IYW and VIS?
The two portfolios are 1.2% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IYW and VIS?
The largest positions held by both funds are VRT, LDOS, SSNC, CACI and PAYC. Together the top 10 shared positions account for 100% of the total overlap.
What does IYW own that VIS doesn't?
129 positions (98.7% of IYW) are unique to IYW, led by NVDA, AAPL and GOOGL. In the other direction, 371 positions (97.1% of VIS) are unique to VIS.