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IEO holdings and overlap

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IEOiShares U.S. Oil & Gas Exploration & Production ETFEnergy, iShares, 46 positions
Last close, 2026-09-04
$138.66 -0.79%
52-week range 87 to 140
Largest position
COP
17.74% of the fund, Conocophillips
Positions
46
71.3% in the ten largest
Cost per year
0.37%
$37 a year on $10,000
Assets
$0.6B
under management
Return, 3 years
+48.1%
cumulative, total return
Worst fall
-29.0%
peak to trough, 3 years, weekly closes

What does IEO hold, as of its issuer file of 2026-09-03?

IEO holds 46 positions as of the issuer file dated 2026-09-03. The three largest are Conocophillips at 17.74%, Marathon Petroleum at 12.14% and Valero Energy Corp at 11.81%; half of the fund sits in its ten largest names.

RankCompanyWeightWeight bar
1 COP Conocophillips 17.74%
2 MPC Marathon Petroleum 12.14%
3 VLO Valero Energy Corp 11.81%
4 EOG Eog Resources 5.81%
5 PSX Phillips 66 5.29%
6 EQT Eqt 3.99%
7 DVN Devon Energy 3.95%
8 FANG Diamondback Energy 3.89%
9 EXE Expand Energy 3.51%
10 TPL Texas Pacific Land 3.14%
11 PR Permian Resources 2.77%
12 OVV Ovintiv 2.69%
13 DINO HF Sinclair 2.41%
14 APA Apa 2.31%
15 AR Antero Resources 1.73%
16 RRC Range Resources 1.48%
17 VNOM Viper Energy Inc 1.29%
18 SM SM Energy 1.27%
19 CHRD Chord Energy 1.23%
20 VG Venture Global 1.11%
21 MTDR Matador Resources 1.03%
22 PBF PBF Energy 0.94%
23 MGY Magnolia Oil Gas Corp 0.93%
24 CNX CNX Resources 0.79%
25 MUR Murphy Oil Corp 0.74%

Issuer file 1 day old on 2026-09-04, against a median of 1 across the funds with a page. Every one of the 46 positions with its weight is in the fund's JSON file. See which other ETFs hold COP, and at what weight.

What does IEO duplicate?

The fund nearest to IEO is XOP: the two hold 53.8% of their weight in common, in the 46 companies both own, and 100.0% of IEO itself is also held there. Owning IEO alongside the funds at the top of this table means about half of the weight is held twice. IEO is close to contained in XOP.

FundOverlap by weightOf IEO held thereOf that fund in IEOCompanies in bothOverlap bar
XOP 53.8% 100.0% 92.1% 46
RSPG 47.0% 73.7% 52.6% 11
XLE 37.5% 73.7% 37.8% 11
IYE 34.7% 88.3% 34.9% 19
VDE 34.6% 98.9% 34.6% 45
IGE 22.3% 98.9% 22.4% 37
IXC 19.7% 73.7% 19.8% 11
POWR 10.9% 11.7% 11.6% 6
XMVM 10.0% 14.1% 14.8% 9
PWV 8.8% 48.5% 8.9% 6
RPV 8.5% 57.2% 8.5% 7
RFV 8.3% 11.8% 13.7% 7

From each issuer's latest file. Check IEO against any fund in the ETF overlap calculator · how overlap is measured.

What adds something different to IEO?

MGK shares 0% of weight with IEO and its weekly returns correlate with it at 0.04 over three years. The table lists the covered funds with the least in common with IEO, least shared weight first and, among equals, lowest correlation.

Cost, returns and risk

Expense ratio0.37%
Dividend yield1.70%
Total return, 1 year56.0%
Total return, 3 years cumulative48.1%
Total return, 5 years cumulative217.8%
Volatility, annualised27.0%
Worst fall, 3 years-29.0%
Beta against SPY, 3 years of weekly returns0.35
Weight in the ten largest positions71.3%
Largest single position17.7%
Assets under management$0.6B

Expense ratio, yield and assets are reference data; every other figure is computed here from weekly closes.

How it moves with the market

AgainstCorrelation, 3 yearsCovariance, annualised, in percent squared
SPY0.19barely linked73
QQQ0.07barely linked38

Weekly total returns. What the bands mean · why the covariance is printed.

Year by year

YearTotal return
202656.8%
20252.1%
2024-1.4%
20233.6%
202257.8%

One year

IEO 156 SPY 118
2025-09-122026-09-04
IEO rebased to 100 a year ago, weekly closes, prices through 2026-09-04.

Where to go next

Holdings from the issuer file published 2026-09-03. Prices through 2026-09-04. How every figure here is produced. Measurements, not investment advice.