9 institutions reported holding $3.4M of PROSHARES TR (SKF) in SEC 13F filings for 2026-03-31. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.6M), CITADEL ADVISORS LLC ($1.3M), CWA Asset Management Group, LLC ($554,400), CITIGROUP INC ($19,435), SIMPLEX TRADING, LLC ($8,038). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.6M | 51,431 | Added |
| 2 | CITADEL ADVISORS LLC | $1.3M | 41,211 | Added |
| 3 | CWA Asset Management Group, LLC | $554,400 | 18,000 | New |
| 4 | CITIGROUP INC | $19,435 | 631 | New |
| 5 | SIMPLEX TRADING, LLC | $8,038 | 261 | Trimmed |
| 6 | JTC Employer Solutions Trustee Ltd | $1,000 | 44 | Hold |
| 7 | MORGAN STANLEY | $0 | 0 | Exited |
| 8 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
| 9 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31