Who owns ProShares - K-1 Free Crude Oil ETF?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of OILK from SEC Form 13F filings across 43 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, 43 institutions disclosed 2.9M shares of ProShares - K-1 Free Crude Oil ETF worth $100.3M — about 233% of shares outstanding; the largest disclosed holder is Trek Financial, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
43
13F holders
$100.3M
value, 2026 filers
233%
of shares outstanding (2.9M sh)
14
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 OILK's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Trek Financial, LLC | 739,443 | $35.1M | 1.7% | 60.2% | +56.6% |
| 2 | Harvest Fund Management Co., Ltd | 688,240 | $32,664 | 0.0% | 56% | +19.8% |
| 3 | Merit Financial Group, LLC | 457,123 | $21.7M | 0.1% | 37.2% | +1329.0% |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 260,530 | $12.4M | 0.0% | 21.2% | +652.3% |
| 5 | Point Nemo Capital, LLCNEW | 115,976 | $5.5M | 2.8% | 9.4% | new |
| 6 | Private Advisory Group LLCNEW | 112,476 | $5.3M | 0.3% | 9.2% | new |
| 7 | Arlington Capital Management, Inc.NEW | 102,037 | $4.8M | 3.0% | 8.3% | new |
| 8 | Green Ridge Wealth Planning LLC | 65,570 | $3.1M | 1.3% | 5.3% | +18.9% |
| 9 | LPL Financial LLC | 42,990 | $2.0M | 0.0% | 3.5% | +238.5% |
| 10 | FLOW TRADERS U.S. LLC | 39,058 | $1,855 | 0.1% | 3.2% | +82.0% |
| 11 | B. Riley Wealth Advisors, Inc.NEW | 26,639 | $1.3M | 0.1% | 2.2% | new |
| 12 | CITADEL ADVISORS LLCNEW | 24,159 | $1.1M | 0.0% | 2% | new |
| 13 | HRT FINANCIAL LP | 23,117 | $1,097 | 0.0% | 1.9% | +113.3% |
| 14 | GUARDIAN WEALTH ADVISORS, LLC / NC | 22,963 | $1.1M | 0.1% | 1.9% | +46.5% |
| 15 | Belvedere Trading LLC | 22,195 | $1.1M | 0.0% | 1.8% | -26.7% |
| 16 | SIMPLEX TRADING, LLC | 22,171 | $1.1M | 0.0% | 1.8% | -11.0% |
| 17 | MML INVESTORS SERVICES, LLCNEW | 20,765 | $986,151 | 0.0% | 1.7% | new |
| 18 | OSAIC HOLDINGS, INC. | 13,506 | $641,357 | 0.0% | 1.1% | +4557.2% |
| 19 | JANE STREET GROUP, LLC | 11,715 | $556,345 | 0.0% | 1% | -68.0% |
| 20 | GROUP ONE TRADING LLC | 9,699 | $460,606 | 0.0% | 0.8% | +22.4% |
| 21 | Stratos Wealth Partners, LTD. | 7,466 | $354,560 | 0.0% | 0.6% | -69.4% |
| 22 | Verity Asset Management, Inc. | 7,443 | $353,468 | 0.1% | 0.6% | +29.5% |
| 23 | Kestra Advisory Services, LLCNEW | 5,695 | $270,475 | 0.0% | 0.5% | new |
| 24 | Faithward Advisors, LLC | 4,662 | $221,414 | 0.0% | 0.4% | -0.2% |
| 25 | HighTower Advisors, LLC | 4,528 | $215,025 | 0.0% | 0.4% | -26.7% |
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 · options positioning · supply chain. Research, not investment advice.