Who owns ProShares - UltraPro Short S&P500?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of SPXU 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 1.5M shares of ProShares - UltraPro Short S&P500 worth $45.8M — about 13.1% of shares outstanding; the largest disclosed holder is FLOW TRADERS U.S. LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
43
13F holders
$45.8M
value, 2026 filers
13.1%
of shares outstanding (1.5M sh)
13
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 SPXU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | FLOW TRADERS U.S. LLCNEW | 261,324 | $9,687 | 0.4% | 2.3% | new |
| 2 | IMC-Chicago, LLC | 210,294 | $7.8M | 0.0% | 1.8% | -33.5% |
| 3 | Jump Financial, LLC | 185,277 | $6.9M | 0.1% | 1.6% | +280.7% |
| 4 | RENAISSANCE TECHNOLOGIES LLCNEW | 172,025 | $6.4M | 0.0% | 1.5% | new |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 128,108 | $4.7M | 0.0% | 1.1% | +3.0% |
| 6 | GOLDMAN SACHS GROUP INCNEW | 91,332 | $3.4M | 0.0% | 0.8% | new |
| 7 | DRW Securities, LLC | 69,743 | $2.6M | 0.1% | 0.6% | +1026.9% |
| 8 | SIMPLEX TRADING, LLC | 65,669 | $2.4M | 0.0% | 0.6% | +45.7% |
| 9 | Steward Partners Investment Advisory, LLCNEW | 52,263 | $1.9M | 0.0% | 0.5% | new |
| 10 | UBS Group AG | 43,238 | $1.6M | 0.0% | 0.4% | +33.2% |
| 11 | JANE STREET GROUP, LLC | 26,516 | $982,948 | 0.0% | 0.2% | -72.9% |
| 12 | XTX Topco Ltd | 26,162 | $969,825 | 0.0% | 0.2% | +29.5% |
| 13 | EverSource Wealth Advisors, LLCNEW | 14,999 | $556,013 | 0.0% | 0.1% | new |
| 14 | StoneX Group Inc. | 14,126 | $524,789 | 0.0% | 0.1% | +143.8% |
| 15 | Optiver Holding B.V. | 13,559 | $502,632 | 0.0% | 0.1% | +441.9% |
| 16 | RICHARDS, MERRILL & PETERSON, INC. | 13,000 | $481,910 | 0.2% | 0.1% | +44.4% |
| 17 | MILLENNIUM MANAGEMENT LLC | 13,000 | $481,910 | 0.0% | 0.1% | +160.0% |
| 18 | Tidal Investments LLCNEW | 12,500 | $463,375 | 0.0% | 0.1% | new |
| 19 | Beacon Capital Management, Inc. | 11,250 | $417,038 | 0.0% | 0.1% | 0.0% |
| 20 | Integrated Advisors Network LLCNEW | 11,000 | $407,770 | 0.0% | 0.1% | new |
| 21 | JPMORGAN CHASE & CONEW | 8,995 | $341,090 | 0.0% | 0.1% | new |
| 22 | Vontobel Holding Ltd.NEW | 8,706 | $322,731 | 0.0% | 0.1% | new |
| 23 | Belvedere Trading LLC | 7,439 | $275,764 | 0.0% | 0.1% | -74.7% |
| 24 | RAMSEY QUANTITATIVE SYSTEMSNEW | 7,300 | $270,611 | 0.2% | 0.1% | new |
| 25 | MORGAN STANLEY | 6,951 | $257,709 | 0.0% | 0.1% | +246.2% |
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.