DFSV vs OIH: Holdings Overlap
DFSVDimensional US Small Cap Value ETF
Dimensional · 1029 holdings · $8.2B · as of 2026-04-30
VanEck · 25 holdings · $1.9B · as of 2026-03-31
Holdings snapshots are 30 days apart (DFSV: 2026-04-30, OIH: 2026-03-31). 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 DFSV and OIH?
Dimensional US Small Cap Value ETF (DFSV, by Dimensional) holds 1029 positions; VanEck Oil Services ETF (OIH, by VanEck) holds 25. They have 16 holdings in common, and by portfolio weight the two funds are 3.5% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 3.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 16DFSV holds 1029 · OIH holds 25
- Weight in Shared Holdings
- DFSV 4%·OIH 37%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 DFSV
1013 of 1029 positions (96.3% of the fund) are not held by OIH. Showing the top 30 by weight.
Sector Breakdown
| Sector | DFSV | OIH |
|---|---|---|
| Energy | 12.6% | 99.9% |
| Financials | 26.4% | 0.0% |
| Industrials | 14.9% | 0.0% |
| Consumer Discretionary | 12.7% | 0.0% |
| Information Technology | 7.2% | 0.0% |
| Other Sectors | 22.4% | 0.0% |
| Unclassified | 3.6% | 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. “Unclassified” is weight we could not classify (4% of DFSV, 0% of OIH).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| DFSV | +4.5% | +23.4% | +37.6% | +15.2% | — | — | 1.33% |
| 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 DFSV vs OIH →
Shared Holdings(16)
The top 10 shared positions account for 89% of the overlap, led by NOV, NE and RIGN.
 NOVNOV Inc. COM | 0.50% | 3.35% | 0.50% |
|---|---|---|---|
 NENoble Corporation PLC ORD SHS A | 0.49% | 4.64% | 0.49% |
 RIGNTransocean Ltd COM CHF0.10 | 0.45% | 4.50% | 0.45% |
 LBRTLiberty Energy, Inc., Class A | 0.34% | 3.54% | 0.34% |
 VALValaris Ltd. CL A | 0.33% | 4.01% | 0.33% |
 PTENPatterson-UTI Energy Inc. COM | 0.32% | 3.32% | 0.32% |
 HPHelmerich & Payne Inc COM | 0.28% | 2.64% | 0.28% |
| Expro Group Holdings NV EUR0.01 | 0.15% | 1.05% | 0.15% |
 PUMPProPetro Holding Corp. COM | 0.14% | 1.48% | 0.14% |
 RESRPC Inc COM | 0.13% | 0.87% | 0.13% |
 HLXHelix Energy Solutions Group, Inc. COM | 0.11% | 1.14% | 0.11% |
 WTTRSelect Water Solutions, Inc., Class A | 0.10% | 1.63% | 0.10% |
 INVXInnovex International Inc. COM | 0.09% | 0.85% | 0.09% |
 NBRNabors Industries, Ltd. SHS | 0.05% | 0.90% | 0.05% |
 TDWTidewater Inc New COM | 0.02% | 2.69% | 0.02% |
 CLBCore Laboratories Inc COM | 0.00% | 0.26% | 0.00% |
Frequently Asked Questions
How much do DFSV and OIH overlap?
DFSV and OIH overlap by 3.5% of portfolio weight. They share 16 holdings (DFSV holds 1029 positions and OIH holds 25), based on each fund's latest SEC-reported holdings.
Is it redundant to own both DFSV and OIH?
The two portfolios are 3.5% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of DFSV and OIH?
The largest positions held by both funds are NOV, NE, RIGN, LBRT and VAL. Together the top 10 shared positions account for 89% of the total overlap.
What does DFSV own that OIH doesn't?
1013 positions (96.3% of DFSV) are unique to DFSV, led by DINO, OVV and APA. In the other direction, 9 positions (63.1% of OIH) are unique to OIH.