15 institutions reported holding $5.5M of PROSHARES TR (TTT) in SEC 13F filings for 2026-03-31. Largest institutional holders: CIM, LLC ($2.7M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.2M), FLOW TRADERS U.S. LLC ($809,000), GTS SECURITIES LLC ($457,237), Royal Bank of Canada ($208,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CIM, LLC | $2.7M | 39,505 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.2M | 17,305 | Trimmed |
| 3 | FLOW TRADERS U.S. LLC | $809,000 | 12,015 | Hold |
| 4 | GTS SECURITIES LLC | $457,237 | 6,792 | Added |
| 5 | Royal Bank of Canada | $208,000 | 3,095 | Trimmed |
| 6 | Essex LLC | $207,548 | 3,083 | Hold |
| 7 | SIMPLEX TRADING, LLC | $8,953 | 133 | Trimmed |
| 8 | Godfrey Financial Associates, Inc. | $2,641 | 39 | Hold |
| 9 | Qube Research & Technologies Ltd | $1,077 | 16 | Hold |
| 10 | UBS Group AG | $673 | 10 | New |
| 11 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 12 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 13 | Belvedere Trading LLC | $0 | 0 | Exited |
| 14 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
| 15 | MORGAN STANLEY | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31