62 institutions reported holding $1.16B of DIREXION SHARES ETF TRUST (MUU) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($468.5M), CITADEL ADVISORS LLC ($286.4M), JANE STREET GROUP, LLC ($119.8M), Belvedere Trading LLC ($40.4M), APEIRON CAPITAL Ltd ($35.7M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $468.5M | 446,721 | Added |
| 2 | CITADEL ADVISORS LLC | $286.4M | 273,100 | Added |
| 3 | JANE STREET GROUP, LLC | $119.8M | 114,197 | Added |
| 4 | Belvedere Trading LLC | $40.4M | 38,528 | Added |
| 5 | APEIRON CAPITAL Ltd | $35.7M | 34,000 | New |
| 6 | GOLDMAN SACHS GROUP INC | $29.1M | 27,706 | Trimmed |
| 7 | FLOW TRADERS U.S. LLC | $28.7M | 27,367 | New |
| 8 | SBI Securities Co., Ltd. | $19.5M | 18,618 | Added |
| 9 | HRT FINANCIAL LP | $14.6M | 13,901 | New |
| 10 | Optiver Holding B.V. | $13.8M | 13,151 | Added |
| 11 | UBS Group AG | $10.6M | 10,100 | Trimmed |
| 12 | JPMORGAN CHASE & CO | $10.5M | 9,978 | New |
| 13 | BARCLAYS PLC | $8.5M | 8,120 | Trimmed |
| 14 | LMR Partners LLP | $7.9M | 7,500 | New |
| 15 | GTS SECURITIES LLC | $7.5M | 7,152 | New |
| 16 | Csenge Advisory Group | $7.0M | 6,707 | Trimmed |
| 17 | Jump Financial, LLC | $6.2M | 5,936 | Trimmed |
| 18 | Dedeker Financial LLC | $5.8M | 5,502 | Trimmed |
| 19 | FLAGSTAR ADVISORS INC | $5.2M | 4,920 | New |
| 20 | MGO ONE SEVEN LLC | $4.3M | 4,056 | New |
| 21 | MORGAN STANLEY | $3.9M | 3,741 | Trimmed |
| 22 | INDEPENDENT FINANCIAL GROUP, LLC | $3.1M | 2,982 | New |
| 23 | StoneX Group Inc. | $3.0M | 2,897 | Trimmed |
| 24 | HUB Investment Partners, LLC | $2.9M | 2,725 | New |
| 25 | Corient Private Wealth LLC | $2.3M | 2,223 | New |
Source: SEC Form 13F filings · as of 2026-06-30