OIH vs SLYG: Holdings Overlap
VanEck · 25 holdings · $1.9B · as of 2026-03-31
SLYGState Street® SPDR® S&P 600™ Small Cap Growth ETF
State Street (SPDR) · 349 holdings · $5.3B · as of 2026-08-06
Holdings snapshots are 128 days apart (OIH: 2026-03-31, SLYG: 2026-08-06). 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 OIH and SLYG?
VanEck Oil Services ETF (OIH, by VanEck) holds 25 positions; State Street® SPDR® S&P 600™ Small Cap Growth ETF (SLYG, by State Street (SPDR)) holds 349. They have 7 holdings in common, and by portfolio weight the two funds are 2.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 2.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 7OIH holds 25 · SLYG holds 349
- Weight in Shared Holdings
- OIH 19%·SLYG 2%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 OIH
18 of 25 positions (81.0% of the fund) are not held by SLYG.
Only in SLYG
342 of 349 positions (97.7% of the fund) are not held by OIH. Showing the top 30 by weight.
Sector Breakdown
| Sector | OIH | SLYG |
|---|---|---|
| Energy | 99.9% | 4.9% |
| Industrials | 0.0% | 21.9% |
| Financials | 0.0% | 15.7% |
| Health Care | 0.0% | 15.0% |
| Information Technology | 0.0% | 13.8% |
| Other Sectors | 0.0% | 27.6% |
| Unclassified | 0.0% | 0.9% |
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 (0% of OIH, 1% of SLYG).
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% |
| SLYG | +1.2% | +25.9% | +33.5% | +15.2% | +6.7% | +11.2% | 0.64% |
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 SLYG →
Shared Holdings(7)
The top 7 shared positions account for 100% of the overlap, led by TDW, SEI and WHD.
 TDWTidewater Inc New COM | 2.69% | 0.42% | 0.42% |
|---|---|---|---|
 SEISolaris Energy Infrastructure, Inc., Class A | 3.00% | 0.35% | 0.35% |
 WHDCactus, Inc., Class A | 2.40% | 0.34% | 0.34% |
 OIIOceaneering International, Inc. COM | 2.72% | 0.32% | 0.32% |
 NENoble Corporation PLC ORD SHS A | 4.64% | 0.30% | 0.30% |
 HPHelmerich & Payne Inc COM | 2.64% | 0.20% | 0.20% |
 INVXInnovex International Inc. COM | 0.85% | 0.06% | 0.06% |
Frequently Asked Questions
How much do OIH and SLYG overlap?
OIH and SLYG overlap by 2.0% of portfolio weight. They share 7 holdings (OIH holds 25 positions and SLYG holds 349), based on each fund's latest SEC-reported holdings.
Is it redundant to own both OIH and SLYG?
The two portfolios are 2.0% 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 SLYG?
The largest positions held by both funds are TDW, SEI, WHD, OII and NE. Together the top 7 shared positions account for 100% of the total overlap.
What does OIH own that SLYG doesn't?
18 positions (81.0% of OIH) are unique to OIH, led by SLB, BKR and HAL. In the other direction, 342 positions (97.7% of SLYG) are unique to SLYG.