IEO ETF largest sector is Energy at 91.9% as of Aug 5, 2026

Energy is IEO's largest sector at 91.9% of the fund as of Aug 5, 2026. IEO is iShares US Oil & Gas Exploration & Production ETF.

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Sector Concentration AnalysisPRO

Top 3 Sectors
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of total portfolio
Concentration Level
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concentration risk
Largest Sector
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Sector AllocationPRO

Sector BreakdownPRO

SectorHoldingsWeight
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Industry BreakdownPRO

Top 15 industries by allocation

IEO ETF Sector Allocation

IEO sector allocation breaks down across Energy (91.9%), Real Estate (3.9%), Information Technology (0.3%), Financials (0.3%). Across 50 holdings, this breakdown reveals the ETF's investment focus and diversification.

IEO sector exposure is important for understanding concentration risk. With Energy at 91.9%, the fund has significant sector concentration.

IEO by country shows geographic exposure. IEO overlap reveals how sector exposure compares with other funds.

IEO ETF Sector Allocation

Sector Concentration Analysis

Top 3 Sectors

96.1%

of total portfolio

Concentration Level

High

concentration risk

Largest Sector

91.9%

Energy

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Sector Breakdown

  • 1Energy
    91.93%
  • 2Real Estate
    3.85%
  • 3Information Technology
    0.34%
  • 4Financials
    0.28%

Industry Breakdown (Top 15)

Oil & Gas Exploration & Production
40.0%
24 holdings
Oil & Gas Refining & Marketing
29.9%
9 holdings
Integrated Oil & Gas
20.7%
3 holdings
Diversified Real Estate Activities
3.9%
1 holding
Oil & Gas Storage & Transportation
1.1%
1 holding
Electronic Equipment & Instruments
0.3%
1 holding
Oil & Gas Equipment & Services
0.2%
2 holdings
Diversified Capital Markets
0.1%
1 holding
Asset Management & Custody Banks
0.1%
1 holding