IDU vs VIS: Holdings Overlap
iShares · 44 holdings · $1.5B · 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 (IDU: 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 IDU and VIS?
iShares U.S. Utilities ETF (IDU, by iShares) holds 44 positions; Vanguard Industrials Index Fund (VIS, by Vanguard) holds 381. They have 3 holdings in common, and by portfolio weight the two funds are 2.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 2.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 3IDU holds 44 · VIS holds 381
- Weight in Shared Holdings
- IDU 9%·VIS 2%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 IDU
41 of 44 positions (91.2% of the fund) are not held by VIS. Showing the top 30 by weight.
Sector Breakdown
| Sector | IDU | VIS |
|---|---|---|
| Industrials | 8.6% | 99.3% |
| Utilities | 91.2% | 0.0% |
| Information Technology | 0.0% | 0.3% |
| 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 |
|---|---|---|---|---|---|---|---|
| IDU | -4.3% | +3.5% | +2.8% | +14.4% | +8.5% | +8.6% | 2.27% |
| 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 IDU vs VIS →
Shared Holdings(3)
The top 3 shared positions account for 100% of the overlap, led by WM, RSG and CLH.
Frequently Asked Questions
How much do IDU and VIS overlap?
IDU and VIS overlap by 2.0% of portfolio weight. They share 3 holdings (IDU holds 44 positions and VIS holds 381), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IDU and VIS?
The two portfolios are 2.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IDU and VIS?
The largest positions held by both funds are WM, RSG and CLH. Together the top 3 shared positions account for 100% of the total overlap.
What does IDU own that VIS doesn't?
41 positions (91.2% of IDU) are unique to IDU, led by NEE, SO and DUK. In the other direction, 378 positions (97.6% of VIS) are unique to VIS.