9 institutions reported holding $2.3M of PROSHARES TR (SKF) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.4M), CITADEL ADVISORS LLC ($559,163), HRT FINANCIAL LP ($258,000), Tower Research Capital LLC (TRC) ($59,107), JTC Employer Solutions Trustee Ltd ($1,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.4M | 54,139 | Added |
| 2 | CITADEL ADVISORS LLC | $559,163 | 21,465 | Trimmed |
| 3 | HRT FINANCIAL LP | $258,000 | 9,935 | New |
| 4 | Tower Research Capital LLC (TRC) | $59,107 | 2,269 | New |
| 5 | JTC Employer Solutions Trustee Ltd | $1,000 | 44 | Hold |
| 6 | MORGAN STANLEY | $33 | 1 | New |
| 7 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
| 8 | CITIGROUP INC | $0 | 0 | Exited |
| 9 | CWA Asset Management Group, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30