USO · Holdings ETF
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Holder Concentration
Across 34 13F filers · Δ vs Jun 30, 2026Who Holds USO
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 172 filers, like-for-like change +3.5%; actively managed books -12.2%; index-like books +17.4%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 3.9% | 95 | -60.5% |
| Exempt adviser | 0.0% | 0 | -100.0% |
| Adviser | 0.1% | 2 | +506.5% |
| Bank | 8.6% | 14 | +64.6% |
| Broker-dealer | 0.5% | 3 | +0.6% |
| Non-US | 6.7% | 2 | +40502.7% |
| Holding company | 60.0% | 3 | +17.2% |
| Unknown | 20.2% | 53 | -5.9% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 60.0% | 3 | +17.4% |
| Systematic-like | 0.5% | 5 | -95.8% |
| Concentrated | 2.3% | 38 | -44.6% |
| Diversified active | 37.1% | 125 | +29.0% |
| Unknown | 0.0% | 1 | new |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 69.9% | 100 | +22.7% |
| Medium turnover | 14.2% | 35 | +114.3% |
| High turnover | 11.2% | 20 | -59.0% |
| Unknown | 4.7% | 17 | -18.4% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 7.0% | 21 | -9.8% |
| Medium horizon | 5.8% | 38 | -54.6% |
| Long horizon | 83.5% | 107 | +12.2% |
| Unknown | 3.7% | 6 | +131.9% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 1.5% | 57 | -66.6% |
| $1B to $10B | 9.0% | 52 | -40.5% |
| $10B to $100B | 19.5% | 42 | +128.1% |
| $100B or more | 69.9% | 21 | +2.3% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 2.1% | 84 | -50.0% |
| Pooled investment vehicles | 1.4% | 6 | -69.8% |
| Registered funds and BDCs | 0.3% | 2 | -29.6% |
| Corporations | 0.0% | 2 | +9.4% |
| Diversified | 0.0% | 1 | -99.7% |
| Pension and profit sharing plans | 0.0% | 0 | -100.0% |
| Other investment advisers | 0.0% | 0 | — |
| Other | 0.0% | 0 | — |
| Unknown | 96.1% | 77 | +10.8% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 1.3% | 9 | -90.0% |
| Private equity funds | 0.6% | 9 | -30.3% |
| Venture capital funds | 0.0% | 1 | 0.0% |
| Real estate funds | 0.1% | 7 | -76.8% |
| Other private funds | 0.2% | 7 | +35.1% |
| Mixed private funds | 0.1% | 3 | +32.4% |
| Private funds, type not stated | 0.0% | 0 | — |
| No private funds | 1.6% | 59 | -53.6% |
| Unknown | 96.1% | 77 | +22.5% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 81.6% | 154 | +0.5% |
| Outside the US | 18.4% | 18 | +19.2% |
The Sep 30, 2026 filing window is still open, so its bar shows only the filers that have filed so far.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 3 holders with no observed 2026-03-31 13F and 2 holders with no observed 2026-06-30 13F. Compared across CIK changes: Trask Adam Roland continues as Burnham & Co LLC.
Conviction and Crowding
172 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 24.1% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Fund Ownership of USO by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 0.00% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 0.00% | 0 |
| Index ETFs | 0.00% | 0 |
| Active ETFs | 0.20% | 29,583 |
| Active funds | 0.21% | 31,489 |
| Unclassified | 0.00% | 0 |
| All registered funds | 0.41% | 61,072 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
Quarterly Activity
New and Sold Out count only filers that reported a 13F for both quarters: a first-time filer's book is not a buy, and a fund that has not filed, or withheld its positions under confidential treatment, has not sold.
Top Buyers
vs Jun 30, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small CenterStar Asset Management, LLC | +45,070 | 73,870 | |
| Small FNY Investment Advisers, LLC | +16,502 | 16,707 | |
| Micro Roan Capital Partners | +2,358 | 16,844 | |
| Mid CoreCap Advisors, LLC | +1,727 | 4,271 | |
| Small Bison Wealth, LLC | +1,040 | 5,809 |
Top Sellers
vs Jun 30, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid MIRAE ASSET SECURITIES (USA) INC. | −100,151 | 200,287 | |
| Mid Portman Square Capital LLP | −8,800 | 66,200 | |
| Small Blue Capital, Inc. | −8,594 | 5,645 | |
| Small EHRLICH FINANCIAL GROUP | −1,389 | 4,982 | |
| Large Farther Finance Advisors, LLC | −755 | 3,173 |
Top New Positions
vs Jun 30, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small Franchise GP Ltd | 40,870 | $5,953,124 | |
| Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 3,323 | $484,028 | |
| Small Pettinga Financial Advisors LLC | 2,005 | $292,048 | |
| Large Concurrent Investment Advisors, LLC | 1,938 | $282,289 | |
| Mid Sowell Financial Services LLC | 1,743 | $253,885 |
Top Sold-Out Positions
vs Jun 30, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid Carrhae Capital LLP | 596,800 | $63,523,392 | |
| Micro Innovative Advisory Group, LLC | 5,609 | $597,021 | |
| Mid Integrated Advisors Network LLC | 3,072 | $326,983 | |
| Small DOLIVER ADVISORS, LP | 3,000 | $319,320 | |
| Small PUREfi Wealth, LLC | 2,350 | $250,134 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid MIRAE ASSET SECURITIES (USA) INC. | $14,607,804 | 20.80% | 100,287 | Shares | 2026-10-15 | |
| Mid MIRAE ASSET SECURITIES (USA) INC. | $14,566,000 | 20.74% | 100,000 | Put | 2026-10-15 | |
| Mid Portman Square Capital LLP Registered adviser | $9,642,692 | 13.73% | 66,200 | Put | 2026-10-15 | |
| Small CenterStar Asset Management, LLC | $7,647,150 | 10.89% | 52,500 | Put | 2026-10-09 | |
| Small Franchise GP Ltd | $5,953,124 | 8.48% | 40,870 | Shares | 2026-10-16 | |
| Micro Roan Capital Partners Registered adviser | $2,453,497 | 3.49% | 16,844 | Shares | 2026-10-09 | |
| Small FNY Investment Advisers, LLC | $2,401,496 | 3.42% | 16,487 | Shares | 2026-10-16 | |
| Small CenterStar Asset Management, LLC | $1,893,580 | 2.70% | 13,000 | Call | 2026-10-09 | |
| Small Professional Financial Advisors, LLC Adviser | $1,703,056 | 2.43% | 11,692 | Shares | 2026-10-13 | |
| Small CenterStar Asset Management, LLC | $1,219,174 | 1.74% | 8,370 | Shares | 2026-10-09 | |
| Small Ignite Planners, LLC Registered adviser | $848,906 | 1.21% | 5,828 | Shares | 2026-10-14 | |
| Small Bison Wealth, LLC Registered adviser | $846,138 | 1.20% | 5,809 | Shares | 2026-10-13 | |
| Small Blue Capital, Inc. | $822,250 | 1.17% | 5,645 | Shares | 2026-10-13 | |
| Mid WealthPlan Investment Management, LLC Registered adviser | $764,715 | 1.09% | 5,250 | Shares | 2026-10-15 | |
| Small EHRLICH FINANCIAL GROUP | $725,678 | 1.03% | 4,982 | Shares | 2026-10-20 | |
| Mid CoreCap Advisors, LLC Registered adviser | $622,113 | 0.89% | 4,271 | Shares | 2026-10-08 | |
| Large Farther Finance Advisors, LLC Registered adviser | $462,179 | 0.66% | 3,173 | Shares | 2026-10-08 | |
| Small Tactive Advisors, LLC Registered adviser | $433,921 | 0.62% | 2,979 | Shares | 2026-10-08 | |
| Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $378,716 | 0.54% | 2,600 | Put | 2026-10-13 | |
| Small Wilkerson Advisory Group LLC | $353,079 | 0.50% | 2,424 | Shares | 2026-10-20 | |
| Small Finer Wealth Management, Inc. | $307,051 | 0.44% | 2,108 | Shares | 2026-10-16 | |
| Small Pettinga Financial Advisors LLC Registered adviser | $292,048 | 0.42% | 2,005 | Shares | 2026-10-13 | |
| Large Concurrent Investment Advisors, LLC Registered adviser | $282,289 | 0.40% | 1,938 | Shares | 2026-10-16 | |
| Mid Sowell Financial Services LLC Registered adviser | $253,885 | 0.36% | 1,743 | Shares | 2026-10-20 | |
| Small Herold Advisors, Inc. Registered adviser | $218,490 | 0.31% | 1,500 | Shares | 2026-10-19 | |
| Mid Arlington Trust Co LLC | $197,514 | 0.28% | 1,356 | Shares | 2026-10-20 | |
| Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $105,312 | 0.15% | 723 | Shares | 2026-10-13 | |
| Small Cape Investment Advisory, Inc. Registered adviser | $44,426 | 0.06% | 305 | Shares | 2026-10-13 | |
| Small FNY Investment Advisers, LLC | $32,043 | 0.05% | 220 | Put | 2026-10-16 | |
| Small IFS Advisors, LLC Registered adviser | $27,092 | 0.04% | 186 | Shares | 2026-10-14 | |
| Small NFSG Corp Registered adviser | $25,927 | 0.04% | 178 | Shares | 2026-10-15 | |
| Small Cedar Mountain Advisors, LLC Registered adviser | $19,664 | 0.03% | 135 | Shares | 2026-10-15 | |
| Large TD Waterhouse Canada Inc. | $19,081 | 0.03% | 131 | Shares | 2026-10-16 | |
| Mid Blue Trust, Inc. | $18,207 | 0.03% | 125 | Shares | 2026-10-15 | |
| Mid WealthPlan Investment Management, LLC Registered adviser | $14,566 | 0.02% | 100 | Put | 2026-10-15 | |
| Mid IFP Advisors, Inc Registered adviser | $7,719 | 0.01% | 53 | Shares | 2026-10-16 | |
| Small GK Wealth Management LLC | $7,574 | 0.01% | 52 | Shares | 2026-10-09 | |
| Small Physician Wealth Advisors, Inc. Registered adviser | $7,283 | 0.01% | 50 | Shares | 2026-10-20 | |
| Small WEST PACES ADVISORS INC. Registered adviser | $1,747 | 0.00% | 12 | Shares | 2026-10-13 | |
| Small Fortitude Family Office, LLC Registered adviser | $291 | 0.00% | 2 | Shares | 2026-10-14 |