Who Owns PROSHARES TR (SDOW)? -- Institutional Holders (2026-03-31)
39 institutions reported holding $1.04B of PROSHARES TR (SDOW) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($543.7M), SIMPLEX TRADING, LLC ($202.0M), HRT FINANCIAL LP ($124.7M), GROUP ONE TRADING LLC ($116.0M), CITADEL ADVISORS LLC ($25.2M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | IMC-Chicago, LLC | $543.7M | 13.4M | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $202.0M | 5.1M | Trimmed |
| 3 | HRT FINANCIAL LP | $124.7M | 1.9M | Added |
| 4 | GROUP ONE TRADING LLC | $116.0M | 4.3M | Trimmed |
| 5 | CITADEL ADVISORS LLC | $25.2M | 716,850 | Trimmed |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $20.0M | 568,196 | Trimmed |
| 7 | JANE STREET GROUP, LLC | $2.9M | 81,600 | Trimmed |
| 8 | GOLDMAN SACHS GROUP INC | $1.8M | 50,000 | Hold |
| 9 | Jump Financial, LLC | $1.0M | 29,321 | New |
| 10 | Tower Research Capital LLC (TRC) | $612,443 | 17,394 | Trimmed |
| 11 | UBS Group AG | $462,413 | 13,133 | Trimmed |
| 12 | Capstone Capital Management Ltd | $435,865 | 12,379 | New |
| 13 | TWO SIGMA SECURITIES, LLC | $225,309 | 6,399 | Trimmed |
| 14 | Focus Partners Wealth | $221,154 | 6,281 | New |
| 15 | MORGAN STANLEY | $66,985 | 1,902 | Hold |
| 16 | Parallel Advisors, LLC | $61,181 | 1,737 | Added |
| 17 | HOLLENCREST CAPITAL MANAGEMENT | $60,737 | 1,725 | Hold |
| 18 | Game Plan Financial Advisors, LLC | $51,055 | 1,450 | New |
| 19 | JPMORGAN CHASE & CO | $40,238 | 1,060 | Trimmed |
| 20 | SBI Securities Co., Ltd. | $19,506 | 554 | Added |
| 21 | Caitlin John, LLC | $7,112 | 202 | New |
| 22 | Marathon Trading Investment Management LLC | $4,655 | 500 | Trimmed |
| 23 | Westend Capital Management, LLC | $3,486 | 99 | Hold |
| 24 | Golden State Equity Partners | $2,158 | 61 | New |
| 25 | Royal Bank of Canada | $1,000 | 30 | New |
Source: SEC Form 13F filings · as of 2026-03-31