IGM vs IVV: Holdings Overlap
IGMiShares Expanded Tech Sector ETF
iShares · 288 holdings · $10.7B · as of 2026-03-31
iShares · 503 holdings · $901.0B · as of 2026-03-31
How similar are IGM and IVV?
iShares Expanded Tech Sector ETF (IGM, by iShares) holds 288 positions; iShares Core S&P 500 ETF (IVV, by iShares) holds 503. They have 79 holdings in common, and by portfolio weight the two funds are 41.3% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 41.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 79IGM holds 288 · IVV holds 503
- Weight in Shared Holdings
- IGM 90%·IVV 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 IGM
209 of 288 positions (9.6% of the fund) are not held by IVV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IGM | IVV |
|---|---|---|
| Information Technology | 82.6% | 32.6% |
| Communication Services | 17.1% | 10.5% |
| Financials | 0.0% | 12.6% |
| Consumer Discretionary | 0.0% | 9.8% |
| Health Care | 0.0% | 9.4% |
| Other Sectors | 0.0% | 24.8% |
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 |
|---|---|---|---|---|---|---|---|
| IGM | +4.5% | +26.9% | +40.7% | +35.3% | +19.1% | +23.9% | 0.13% |
| IVV | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.05% |
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 IGM vs IVV →
Shared Holdings(79)
The top 10 shared positions account for 76% of the overlap, led by NVDA, AAPL and MSFT.
8.44% | 7.56% | 7.56% | |
8.76% | 6.65% | 6.65% | |
8.23% | 4.91% | 4.91% | |
4.65% | 2.99% | 2.99% | |
8.16% | 2.62% | 2.62% | |
3.73% | 2.39% | 2.39% | |
4.17% | 2.23% | 2.23% | |
2.68% | 0.72% | 0.72% | |
2.51% | 0.68% | 0.68% | |
2.20% | 0.60% | 0.60% | |
2.19% | 0.59% | 0.59% | |
2.02% | 0.55% | 0.55% | |
1.79% | 0.48% | 0.48% | |
1.76% | 0.48% | 0.48% | |
1.65% | 0.45% | 0.45% | |
1.49% | 0.40% | 0.40% | |
1.37% | 0.37% | 0.37% | |
1.27% | 0.34% | 0.34% | |
1.16% | 0.31% | 0.31% | |
1.15% | 0.31% | 0.31% | |
1.03% | 0.28% | 0.28% | |
1.02% | 0.28% | 0.28% | |
0.91% | 0.25% | 0.25% | |
0.85% | 0.23% | 0.23% | |
0.84% | 0.23% | 0.23% |
Frequently Asked Questions
How much do IGM and IVV overlap?
IGM and IVV overlap by 41.3% of portfolio weight. They share 79 holdings (IGM holds 288 positions and IVV holds 503), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IGM and IVV?
The two portfolios are 41.3% 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 IGM and IVV?
The largest positions held by both funds are NVDA, AAPL, MSFT, GOOGL and AVGO. Together the top 10 shared positions account for 76% of the total overlap.
What does IGM own that IVV doesn't?
209 positions (9.6% of IGM) are unique to IGM, led by SHOP, MRVL and NET. In the other direction, 424 positions (58.5% of IVV) are unique to IVV.