OIH vs VTI: Holdings Overlap
VanEck · 25 holdings · $1.9B · as of 2026-03-31
VTIVanguard Total Stock Market Index Fund
Vanguard · 3505 holdings · $696.4B · as of 2026-03-31
How similar are OIH and VTI?
VanEck Oil Services ETF (OIH, by VanEck) holds 25 positions; Vanguard Total Stock Market Index Fund (VTI, by Vanguard) holds 3505. They have 24 holdings in common, and by portfolio weight the two funds are 0.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 24OIH holds 25 · VTI holds 3505
- Weight in Shared Holdings
- OIH 95%·VTI 0%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
Sector Breakdown
| Sector | OIH | VTI |
|---|---|---|
| Energy | 99.9% | 4.2% |
| Information Technology | 0.0% | 30.5% |
| Financials | 0.0% | 12.7% |
| Industrials | 0.0% | 10.4% |
| Health Care | 0.0% | 10.0% |
| Other Sectors | 0.0% | 31.5% |
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 |
|---|---|---|---|---|---|---|---|
| OIH | +6.0% | +36.4% | +67.5% | +6.4% | +17.5% | -2.1% | 1.25% |
| VTI | +3.3% | +14.6% | +24.2% | +20.9% | +12.3% | +14.9% | 1.02% |
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 OIH vs VTI →
Shared Holdings(24)
The top 10 shared positions account for 88% of the overlap, led by SLB, BKR and HAL.
 SLBSLB Ltd. COM USD0.01 | 20.30% | 0.12% | 0.12% |
|---|---|---|---|
 BKRBaker Hughes Co., Class A | 11.73% | 0.10% | 0.10% |
 HALHalliburton Company COM | 7.07% | 0.05% | 0.05% |
 FTITechnipFMC PLC USD1 | 6.39% | 0.04% | 0.04% |
 WFRDWeatherford International Plc COM USD0.001 | 4.37% | 0.01% | 0.01% |
 NOVNOV Inc. COM | 3.35% | 0.01% | 0.01% |
 RIGNTransocean Ltd COM CHF0.10 | 4.50% | 0.01% | 0.01% |
 NENoble Corporation PLC ORD SHS A | 4.64% | 0.01% | 0.01% |
 VALValaris Ltd. CL A | 4.01% | 0.01% | 0.01% |
 LBRTLiberty Energy, Inc., Class A | 3.54% | 0.01% | 0.01% |
 PTENPatterson-UTI Energy Inc. COM | 3.32% | 0.01% | 0.01% |
 TDWTidewater Inc New COM | 2.69% | 0.01% | 0.01% |
 OIIOceaneering International, Inc. COM | 2.72% | 0.01% | 0.01% |
 HPHelmerich & Payne Inc COM | 2.64% | 0.01% | 0.01% |
 WHDCactus, Inc., Class A | 2.40% | 0.01% | 0.01% |
 SEISolaris Energy Infrastructure, Inc., Class A | 3.00% | 0.00% | 0.00% |
| Expro Group Holdings NV EUR0.01 | 1.05% | 0.00% | 0.00% |
 WTTRSelect Water Solutions, Inc., Class A | 1.63% | 0.00% | 0.00% |
 PUMPProPetro Holding Corp. COM | 1.48% | 0.00% | 0.00% |
 HLXHelix Energy Solutions Group, Inc. COM | 1.14% | 0.00% | 0.00% |
 NBRNabors Industries, Ltd. SHS | 0.90% | 0.00% | 0.00% |
 INVXInnovex International Inc. COM | 0.85% | 0.00% | 0.00% |
 RESRPC Inc COM | 0.87% | 0.00% | 0.00% |
 CLBCore Laboratories Inc COM | 0.26% | 0.00% | 0.00% |
Frequently Asked Questions
How much do OIH and VTI overlap?
OIH and VTI overlap by 0.4% of portfolio weight. They share 24 holdings (OIH holds 25 positions and VTI holds 3505), based on each fund's latest SEC-reported holdings.
Is it redundant to own both OIH and VTI?
The two portfolios are 0.4% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of OIH and VTI?
The largest positions held by both funds are SLB, BKR, HAL, FTI and WFRD. Together the top 10 shared positions account for 88% of the total overlap.
What does OIH own that VTI doesn't?
1 positions (5.1% of OIH) are unique to OIH, led by TS. In the other direction, 3481 positions (99.2% of VTI) are unique to VTI.