22 institutions reported holding $9.4M of DIREXION SHARES ETF TRUST (MIDU) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($3.5M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($3.1M), JANE STREET GROUP, LLC ($1.2M), HOWARD FINANCIAL SERVICES, LTD. ($415,520), Morse Asset Management, Inc ($338,441). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $3.5M | 66,708 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $3.1M | 58,926 | Trimmed |
| 3 | JANE STREET GROUP, LLC | $1.2M | 23,600 | Added |
| 4 | HOWARD FINANCIAL SERVICES, LTD. | $415,520 | 8,000 | Hold |
| 5 | Morse Asset Management, Inc | $338,441 | 6,516 | Added |
| 6 | IMC-Chicago, LLC | $325,248 | 6,262 | New |
| 7 | TOTH FINANCIAL ADVISORY CORP | $197,929 | 3,811 | Added |
| 8 | Tower Research Capital LLC (TRC) | $164,078 | 3,159 | Trimmed |
| 9 | THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $105,851 | 2,038 | New |
| 10 | SIMPLEX TRADING, LLC | $47,940 | 923 | New |
| 11 | OSAIC HOLDINGS, INC. | $23,581 | 454 | Hold |
| 12 | UBS Group AG | $18,491 | 356 | Trimmed |
| 13 | FIFTH THIRD BANCORP | $12,569 | 242 | Hold |
| 14 | JPMORGAN CHASE & CO | $96 | 2 | Hold |
| 15 | WELLS FARGO & COMPANY/MN | $52 | 1 | Hold |
| 16 | Qube Research & Technologies Ltd | $0 | 0 | Exited |
| 17 | Farther Finance Advisors, LLC | $0 | 0 | Exited |
| 18 | Virtu Financial LLC | $0 | 0 | Exited |
| 19 | Stone House Investment Management, LLC | $0 | 0 | Exited |
| 20 | Federation des caisses Desjardins du Quebec | $0 | 0 | Exited |
| 21 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
| 22 | MORGAN STANLEY | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31