24 institutions reported holding $17.1M of PROSHARES TR (SRTY) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($4.7M), Jump Financial, LLC ($2.3M), IMC-Chicago, LLC ($1.9M), Tower Research Capital LLC (TRC) ($1.7M), JANE STREET GROUP, LLC ($1.2M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $4.7M | 221,266 | Trimmed |
| 2 | Jump Financial, LLC | $2.3M | 109,470 | Added |
| 3 | IMC-Chicago, LLC | $1.9M | 87,983 | New |
| 4 | Tower Research Capital LLC (TRC) | $1.7M | 77,447 | Added |
| 5 | JANE STREET GROUP, LLC | $1.2M | 56,800 | Added |
| 6 | CITADEL ADVISORS LLC | $1.1M | 51,200 | Added |
| 7 | FLOW TRADERS U.S. LLC | $1.1M | 50,905 | New |
| 8 | GOLDMAN SACHS GROUP INC | $883,086 | 41,285 | New |
| 9 | Optiver Holding B.V. | $441,789 | 20,654 | Added |
| 10 | Squarepoint Ops LLC | $393,833 | 18,412 | Added |
| 11 | Belvedere Trading LLC | $385,020 | 18,000 | New |
| 12 | GTS SECURITIES LLC | $310,193 | 14,498 | Added |
| 13 | HRT FINANCIAL LP | $276,000 | 12,942 | New |
| 14 | UBS Group AG | $249,707 | 11,674 | Trimmed |
| 15 | GROUP ONE TRADING LLC | $56,983 | 2,664 | New |
| 16 | Qube Research & Technologies Ltd | $55,978 | 2,617 | Added |
| 17 | JPMORGAN CHASE & CO | $16,449 | 758 | Trimmed |
| 18 | MORGAN STANLEY | $57 | 2 | Trimmed |
| 19 | Game Plan Financial Advisors, LLC | $43 | 2 | Hold |
| 20 | DANSKE BANK A/S | $21 | 1 | Hold |
| 21 | TWO SIGMA SECURITIES, LLC | $0 | 0 | Exited |
| 22 | NKCFO LLC | $0 | 0 | Exited |
| 23 | Sollinda Capital Management LLC | $0 | 0 | Exited |
| 24 | Ridgepath Capital Management LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30