6 institutions reported holding $1.6M of TUTTLE CAPITAL CONCENTRATED MEMORY STACK ETF (HBMX) in SEC 13F filings for 2026-06-30. Largest institutional holders: COMMONWEALTH EQUITY SERVICES, LLC ($888,990), CITADEL ADVISORS LLC ($296,685), Belvedere Trading LLC ($253,775), SIMPLEX TRADING, LLC ($71,797), UBS Group AG ($68,581). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | COMMONWEALTH EQUITY SERVICES, LLC | $888,990 | 28,466 | New |
| 2 | CITADEL ADVISORS LLC | $296,685 | 9,500 | New |
| 3 | Belvedere Trading LLC | $253,775 | 8,126 | New |
| 4 | SIMPLEX TRADING, LLC | $71,797 | 2,299 | New |
| 5 | UBS Group AG | $68,581 | 2,196 | New |
| 6 | ADIRONDACK TRUST CO | $1,561 | 50 | New |
Source: SEC Form 13F filings · as of 2026-06-30