14 institutions reported holding $1.18B of AST SPACEMOBILE INC (ASTSW) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($552.6M), GROUP ONE TRADING LLC ($308.6M), SIMPLEX TRADING, LLC ($158.0M), JPMORGAN CHASE & CO ($120.5M), K2 PRINCIPAL FUND, L.P. ($16.7M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $552.6M | 6.2M | Added |
| 2 | GROUP ONE TRADING LLC | $308.6M | 3.5M | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $158.0M | 1.8M | Added |
| 4 | JPMORGAN CHASE & CO | $120.5M | 1.4M | Added |
| 5 | K2 PRINCIPAL FUND, L.P. | $16.7M | 0 | Hold |
| 6 | Sender Co & Partners, Inc. | $12.8M | 144,200 | Added |
| 7 | Capital Markets Trading UK LLP | $4.9M | 55,600 | Trimmed |
| 8 | Skaana Management L.P. | $4.0M | 0 | Hold |
| 9 | HRT FINANCIAL LP | $2.9M | 33,100 | New |
| 10 | Aristides Capital LLC | $1.3M | 14,700 | New |
| 11 | OSAIC HOLDINGS, INC. | $19,302 | 201 | New |
| 12 | Ghisallo Capital Management LLC | $0 | 0 | Exited |
| 13 | AXXCESS WEALTH MANAGEMENT, LLC | $0 | 0 | Exited |
| 14 | Genesis Financial Group, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30