IVV vs OIH: Holdings Overlap
iShares · 503 holdings · $901.0B · as of 2026-03-31
VanEck · 25 holdings · $1.9B · as of 2026-03-31
How similar are IVV and OIH?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; VanEck Oil Services ETF (OIH, by VanEck) holds 25. They have 3 holdings in common, and by portfolio weight the two funds are 0.3% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 3IVV holds 503 · OIH holds 25
- Weight in Shared Holdings
- IVV 0%·OIH 39%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
500 of 503 positions (99.5% of the fund) are not held by OIH. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | OIH |
|---|---|---|
| Energy | 4.0% | 99.9% |
| Information Technology | 32.6% | 0.0% |
| Financials | 12.6% | 0.0% |
| Communication Services | 10.5% | 0.0% |
| Consumer Discretionary | 9.8% | 0.0% |
| Other Sectors | 30.3% | 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 |
|---|---|---|---|---|---|---|---|
| IVV | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.05% |
| OIH | +6.0% | +36.4% | +67.5% | +6.4% | +17.5% | -2.1% | 1.25% |
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 OIH →
Shared Holdings(3)
The top 3 shared positions account for 100% of the overlap, led by SLB, BKR and HAL.
Frequently Asked Questions
How much do IVV and OIH overlap?
IVV and OIH overlap by 0.3% of portfolio weight. They share 3 holdings (IVV holds 503 positions and OIH holds 25), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and OIH?
The two portfolios are 0.3% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IVV and OIH?
The largest positions held by both funds are SLB, BKR and HAL. Together the top 3 shared positions account for 100% of the total overlap.
What does IVV own that OIH doesn't?
500 positions (99.5% of IVV) are unique to IVV, led by NVDA, AAPL and MSFT. In the other direction, 22 positions (60.8% of OIH) are unique to OIH.