30 institutions reported holding $26.8M of BIGBEAR AI HLDGS INC (BBAI.WS) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($7.5M), IMC-Chicago, LLC ($7.0M), SIMPLEX TRADING, LLC ($6.7M), NATIONAL BANK OF CANADA /FI/ ($3.5M), LMR Partners LLP ($669,125). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $7.5M | 2.1M | Trimmed |
| 2 | IMC-Chicago, LLC | $7.0M | 2.0M | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $6.7M | 1.9M | Trimmed |
| 4 | NATIONAL BANK OF CANADA /FI/ | $3.5M | 9,956 | Trimmed |
| 5 | LMR Partners LLP | $669,125 | 1.5M | Trimmed |
| 6 | HRT FINANCIAL LP | $415,000 | 118,000 | Added |
| 7 | Oasis Management Co Ltd. | $352,000 | 100,000 | Hold |
| 8 | CMT Capital Markets Trading GmbH | $189,000 | 53,800 | New |
| 9 | ARISTEIA CAPITAL, L.L.C. | $154,349 | 339,228 | Added |
| 10 | Creative Planning | $140,327 | 311,629 | Hold |
| 11 | MILLENNIUM MANAGEMENT LLC | $37,819 | 83,986 | Added |
| 12 | EQUITEC PROPRIETARY MARKETS, LLC | $25,892 | 57,500 | Trimmed |
| 13 | Ionic Capital Management LLC | $23,606 | 52,423 | New |
| 14 | Marathon Trading Investment Management LLC | $21,472 | 6,100 | New |
| 15 | Virtu Financial LLC | $21,000 | 46,285 | Added |
| 16 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $15,010 | 33,333 | Hold |
| 17 | CAPITAL ADVISORS INC/OK | $11,258 | 25,000 | New |
| 18 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $10,412 | 23,123 | Added |
| 19 | Vestcor Inc | $10,000 | 22,500 | Hold |
| 20 | ADVENT CAPITAL MANAGEMENT /DE/ | $8,223 | 18,260 | Hold |
| 21 | CSS LLC/IL | $7,503 | 16,662 | Hold |
| 22 | IHT Wealth Management, LLC | $3,700 | 5,000 | New |
| 23 | INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | $3,084 | 6,850 | Added |
| 24 | SHP Wealth Management | $20 | 45 | Hold |
| 25 | HANTZ FINANCIAL SERVICES, INC. | $0 | 135 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31