2 institutions reported holding $462,690 of DIREXION SHARES ETF TRUST (TSMZ) in SEC 13F filings for 2026-03-31. Largest institutional holders: Optiver Holding B.V. ($349,969), StoneX Group Inc. ($112,721). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $349,969 | 33,379 | Trimmed |
| 2 | StoneX Group Inc. | $112,721 | 10,751 | New |
Source: SEC Form 13F filings · as of 2026-03-31