22 institutions reported holding $60.6M of WEBULL CORP (BULLW) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($20.4M), SIMPLEX TRADING, LLC ($14.9M), IMC-Chicago, LLC ($8.6M), HRT FINANCIAL LP ($4.0M), LMR Partners LLP ($3.7M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $20.4M | 4.2M | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $14.9M | 3.1M | Added |
| 3 | IMC-Chicago, LLC | $8.6M | 1.8M | Added |
| 4 | HRT FINANCIAL LP | $4.0M | 832,800 | Added |
| 5 | LMR Partners LLP | $3.7M | 2.7M | Hold |
| 6 | BOOTHBAY FUND MANAGEMENT, LLC | $2.3M | 479,450 | Hold |
| 7 | Skaana Management L.P. | $1.7M | 1.2M | Trimmed |
| 8 | Greenland Capital Management LP | $1.6M | 1.2M | Added |
| 9 | ARISTEIA CAPITAL, L.L.C. | $1.2M | 833,146 | Added |
| 10 | SG Americas Securities, LLC | $704,000 | 1.7M | Added |
| 11 | Caption Management, LLC | $558,763 | 407,856 | Added |
| 12 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $342,500 | 250,000 | Hold |
| 13 | MOORE CAPITAL MANAGEMENT, LP | $205,500 | 150,000 | Hold |
| 14 | JANE STREET GROUP, LLC | $176,508 | 128,838 | Added |
| 15 | Clear Street Group Inc. | $116,517 | 85,049 | Hold |
| 16 | WHITEBOX ADVISORS LLC | $88,224 | 64,397 | Hold |
| 17 | Fort Baker Capital Management LP | $82,485 | 60,208 | Hold |
| 18 | RPO LLC | $28,771 | 21,000 | Hold |
| 19 | UBS Group AG | $2,874 | 2,098 | Added |
| 20 | OSAIC HOLDINGS, INC. | $2,055 | 1,500 | Hold |
| 21 | MILLENNIUM MANAGEMENT LLC | $0 | 0 | Exited |
| 22 | JPMORGAN CHASE & CO | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31