9 institutions reported holding $1.9M of DIREXION SHARES ETF TRUST (AIBU) in SEC 13F filings for 2026-03-31. Largest institutional holders: GTS SECURITIES LLC ($765,674), Traynor Capital Management, Inc. ($487,970), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($312,308), JANE STREET GROUP, LLC ($264,244), SIMPLEX TRADING, LLC ($25,329). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GTS SECURITIES LLC | $765,674 | 21,251 | Added |
| 2 | Traynor Capital Management, Inc. | $487,970 | 14,827 | Added |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $312,308 | 8,668 | New |
| 4 | JANE STREET GROUP, LLC | $264,244 | 7,334 | New |
| 5 | SIMPLEX TRADING, LLC | $25,329 | 703 | Added |
| 6 | Larson Financial Group LLC | $19,817 | 550 | New |
| 7 | THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $2,882 | 80 | New |
| 8 | UBS Group AG | $0 | 0 | Exited |
| 9 | IFP Advisors, Inc | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31