17 institutions reported holding $842.4M of CALL 6 AST SPACEMOBILE (ASTSW) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($379.0M), GROUP ONE TRADING LLC ($290.7M), SIMPLEX TRADING, LLC ($117.4M), K2 PRINCIPAL FUND, L.P. ($15.6M), JPMORGAN CHASE & CO ($12.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $379.0M | 4.6M | Added |
| 2 | GROUP ONE TRADING LLC | $290.7M | 3.5M | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $117.4M | 1.4M | Trimmed |
| 4 | K2 PRINCIPAL FUND, L.P. | $15.6M | 10,500 | Trimmed |
| 5 | JPMORGAN CHASE & CO | $12.5M | 169,500 | Added |
| 6 | Capital Markets Trading UK LLP | $12.1M | 146,200 | Trimmed |
| 7 | Ghisallo Capital Management LLC | $9.6M | 10.0M | Added |
| 8 | Skaana Management L.P. | $3.6M | 3.5M | Added |
| 9 | Sender Co & Partners, Inc. | $1.4M | 17,000 | New |
| 10 | Genesis Financial Group, LLC | $248,610 | 3,000 | New |
| 11 | AXXCESS WEALTH MANAGEMENT, LLC | $216,473 | 3,050 | Trimmed |
| 12 | Western Wealth Management, LLC | $0 | 0 | Exited |
| 13 | CoreCap Advisors, LLC | $0 | 0 | Exited |
| 14 | NATIONAL BANK OF CANADA /FI/ | $0 | 0 | Exited |
| 15 | HRT FINANCIAL LP | $0 | 0 | Exited |
| 16 | ONCE CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
| 17 | FIRST SABREPOINT CAPITAL MANAGEMENT LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31