IVV vs IYW: Holdings Overlap
iShares · 503 holdings · $901.0B · as of 2026-03-31
IYWiShares U.S. Technology ETF
iShares · 139 holdings · $25.2B · as of 2026-04-30
Holdings snapshots are 30 days apart (IVV: 2026-03-31, IYW: 2026-04-30). 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 IVV and IYW?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; iShares U.S. Technology ETF (IYW, by iShares) holds 139. They have 64 holdings in common, and by portfolio weight the two funds are 37.9% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 37.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 64IVV holds 503 · IYW holds 139
- Weight in Shared Holdings
- IVV 39%·IYW 94%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 IVV
439 of 503 positions (60.9% of the fund) are not held by IYW. Showing the top 30 by weight.
Only in IYW
75 of 139 positions (5.6% of the fund) are not held by IVV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | IYW |
|---|---|---|
| Information Technology | 32.6% | 80.4% |
| Communication Services | 10.5% | 17.9% |
| Financials | 12.6% | 0.1% |
| Consumer Discretionary | 9.8% | 0.4% |
| Health Care | 9.4% | 0.0% |
| Other Sectors | 24.8% | 1.1% |
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 |
|---|---|---|---|---|---|---|---|
| IVV | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.05% |
| IYW | +4.4% | +27.3% | +39.7% | +32.8% | +19.8% | +24.9% | 0.10% |
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 IVV vs IYW →
Shared Holdings(64)
The top 10 shared positions account for 80% of the overlap, led by NVDA, AAPL and MSFT.
7.56% | 16.23% | 7.56% | |
6.65% | 13.63% | 6.65% | |
4.91% | 3.99% | 3.99% | |
2.99% | 7.84% | 2.99% | |
2.62% | 3.78% | 2.62% | |
2.39% | 6.33% | 2.39% | |
2.23% | 2.80% | 2.23% | |
0.68% | 2.98% | 0.68% | |
0.60% | 1.86% | 0.60% | |
0.59% | 3.50% | 0.59% | |
0.48% | 1.92% | 0.48% | |
0.48% | 1.98% | 0.48% | |
0.45% | 1.67% | 0.45% | |
0.40% | 1.32% | 0.40% | |
0.37% | 2.56% | 0.37% | |
0.34% | 1.41% | 0.34% | |
0.31% | 1.57% | 0.31% | |
0.31% | 0.99% | 0.31% | |
0.28% | 1.21% | 0.28% | |
0.28% | 1.10% | 0.28% | |
0.25% | 1.18% | 0.25% | |
0.23% | 0.88% | 0.23% | |
0.21% | 0.65% | 0.21% | |
0.20% | 0.57% | 0.20% | |
0.19% | 0.65% | 0.19% |
Frequently Asked Questions
How much do IVV and IYW overlap?
IVV and IYW overlap by 37.9% of portfolio weight. They share 64 holdings (IVV holds 503 positions and IYW holds 139), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and IYW?
The two portfolios are 37.9% 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 IVV and IYW?
The largest positions held by both funds are NVDA, AAPL, MSFT, GOOGL and AVGO. Together the top 10 shared positions account for 80% of the total overlap.
What does IVV own that IYW doesn't?
439 positions (60.9% of IVV) are unique to IVV, led by AMZN, TSLA and BRK-B. In the other direction, 75 positions (5.6% of IYW) are unique to IYW.