35 institutions reported holding $40.1M of DIREXION SHARES ETF TRUST (MSFU) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($14.9M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($9.5M), BANK OF MONTREAL /CAN/ ($5.6M), JANE STREET GROUP, LLC ($2.3M), RENAISSANCE TECHNOLOGIES LLC ($927,303). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $14.9M | 648,916 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $9.5M | 413,848 | Added |
| 3 | BANK OF MONTREAL /CAN/ | $5.6M | 242,800 | New |
| 4 | JANE STREET GROUP, LLC | $2.3M | 101,900 | Added |
| 5 | RENAISSANCE TECHNOLOGIES LLC | $927,303 | 40,300 | New |
| 6 | TRUE Private Wealth Advisors | $876,558 | 38,094 | Trimmed |
| 7 | HRT FINANCIAL LP | $811,000 | 35,280 | New |
| 8 | INTERCAPITAL, LLC | $644,280 | 28,000 | New |
| 9 | GOLDMAN SACHS GROUP INC | $588,918 | 25,594 | New |
| 10 | SBI Securities Co., Ltd. | $564,826 | 24,547 | Added |
| 11 | MBL Wealth, LLC | $563,745 | 24,500 | New |
| 12 | DRW Securities, LLC | $457,899 | 19,900 | New |
| 13 | Cane Capital Partners, LLC | $429,298 | 18,657 | New |
| 14 | Belvedere Trading LLC | $395,772 | 17,200 | Trimmed |
| 15 | UBS Group AG | $345,242 | 15,004 | Added |
| 16 | GROUP ONE TRADING LLC | $314,225 | 13,656 | Added |
| 17 | NORDEN GROUP LLC | $231,389 | 10,056 | New |
| 18 | SIMPLEX TRADING, LLC | $163,647 | 7,112 | New |
| 19 | Parallel Advisors, LLC | $157,388 | 6,840 | Added |
| 20 | CITIGROUP INC | $60,378 | 2,624 | New |
| 21 | Larson Financial Group LLC | $54,777 | 2,381 | New |
| 22 | SOA Wealth Advisors, LLC. | $38,634 | 1,679 | Added |
| 23 | Pinnacle Holdings, LLC | $37,690 | 1,638 | New |
| 24 | PayPay Securities Corp | $25,443 | 866 | Added |
| 25 | Hurley Capital, LLC | $4,050 | 176 | New |
Source: SEC Form 13F filings · as of 2026-03-31