18 institutions reported holding $3.5M of DIREXION SHS ETF TR (TSMX) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($1.3M), MORGAN STANLEY ($523,105), Scientech Research LLC ($426,801), FLOW TRADERS U.S. LLC ($402,000), RENAISSANCE TECHNOLOGIES LLC ($399,840). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $1.3M | 21,972 | Trimmed |
| 2 | MORGAN STANLEY | $523,105 | 9,158 | Added |
| 3 | Scientech Research LLC | $426,801 | 7,472 | New |
| 4 | FLOW TRADERS U.S. LLC | $402,000 | 7,040 | Added |
| 5 | RENAISSANCE TECHNOLOGIES LLC | $399,840 | 7,000 | New |
| 6 | Mariner, LLC | $270,635 | 4,738 | New |
| 7 | CITIGROUP INC | $108,528 | 1,900 | Trimmed |
| 8 | Larson Financial Group LLC | $83,482 | 1,462 | New |
| 9 | SBI Securities Co., Ltd. | $62,032 | 1,086 | Added |
| 10 | Ameritas Advisory Services, LLC | $2,372 | 42 | New |
| 11 | HOLLENCREST CAPITAL MANAGEMENT | $286 | 5 | Hold |
| 12 | HRT FINANCIAL LP | $0 | 0 | Exited |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 14 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
| 15 | UBS Group AG | $0 | 0 | Exited |
| 16 | SG Americas Securities, LLC | $0 | 0 | Exited |
| 17 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 18 | Optiver Holding B.V. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31