Who owns iShares U.S. Oil & Gas Exploration & Production ETF?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of IEO from SEC Form 13F filings across 163 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 163 institutions disclosed 2.0M shares of iShares U.S. Oil & Gas Exploration & Production ETF worth $220.6M — about 48.3% of shares outstanding; the largest disclosed holder is MORGAN STANLEY. Source: SEC Form 13F filings, parsed by EvidInvest.
163
13F holders
$220.6M
value, 2026 filers
48.3%
of shares outstanding (2.0M sh)
20
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of IEO's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MORGAN STANLEY | 297,508 | $32.7M | 0.0% | 7.2% | -3.9% |
| 2 | Bank Pictet & Cie (Europe) AG | 122,139 | $13.4M | 0.3% | 2.9% | -22.3% |
| 3 | TWO SIGMA INVESTMENTS, LP | 117,548 | $12.9M | 0.0% | 2.8% | +1177.7% |
| 4 | BANK OF AMERICA CORP /DE/ | 100,740 | $11.1M | 0.0% | 2.4% | -13.9% |
| 5 | WELLS FARGO & COMPANY/MN | 89,518 | $9.8M | 0.0% | 2.2% | -5.9% |
| 6 | LPL Financial LLC | 89,473 | $9.8M | 0.0% | 2.2% | -30.2% |
| 7 | EP Wealth Advisors, LLC | 79,628 | $8.7M | 0.0% | 1.9% | +0.2% |
| 8 | COMMONWEALTH EQUITY SERVICES, LLC | 54,329 | $6.0M | 0.0% | 1.3% | -1.1% |
| 9 | Mader & Shannon Wealth Management, Inc. | 48,339 | $5.3M | 2.5% | 1.2% | +3.6% |
| 10 | ROYAL BANK OF CANADA | 46,115 | $5.1M | 0.0% | 1.1% | -24.4% |
| 11 | CITADEL ADVISORS LLC | 43,903 | $4.8M | 0.0% | 1.1% | +175.2% |
| 12 | AMERIPRISE FINANCIAL INC | 43,364 | $4.8M | 0.0% | 1% | -1.5% |
| 13 | AMICA MUTUAL INSURANCE CO | 40,914 | $4.5M | 0.4% | 1% | -4.3% |
| 14 | Investors Research Corp | 40,047 | $4.4M | 0.8% | 1% | +8.6% |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 39,341 | $4.3M | 0.0% | 0.9% | -10.6% |
| 16 | UBS Group AG | 39,247 | $4.3M | 0.0% | 0.9% | -21.3% |
| 17 | CITIGROUP INC | 34,665 | $3.8M | 0.0% | 0.8% | +1542.9% |
| 18 | Mutual Advisors, LLC | 29,704 | $3.3M | 0.1% | 0.7% | -2.0% |
| 19 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 28,410 | $3.1M | 0.0% | 0.7% | -35.5% |
| 20 | MARTIN & CO INC /TN/ | 22,678 | $2.5M | 0.4% | 0.5% | -0.3% |
| 21 | GRIMES & Co WEALTH MANAGEMENT, LLC | 22,460 | $2.5M | 0.1% | 0.5% | -6.1% |
| 22 | JOHNSON INVESTMENT COUNSEL INC | 21,816 | $2.4M | 0.0% | 0.5% | +0.5% |
| 23 | COTTONWOOD CAPITAL ADVISORS, LLC | 20,565 | $2.3M | 1.4% | 0.5% | -0.1% |
| 24 | PFG Investments, LLCNEW | 19,021 | $2.1M | 0.1% | 0.5% | new |
| 25 | AlphaCore Capital LLC | 18,728 | $2.1M | 0.0% | 0.5% | -27.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation. Research, not investment advice.