5 institutions reported holding $1.2M of STREAMEX CORP (BSGM) in SEC 13F filings for 2026-06-30. Largest institutional holders: HRT FINANCIAL LP ($450,000), SIMPLEX TRADING, LLC ($317,076), GROUP ONE TRADING LLC ($252,879), IMC-Chicago, LLC ($138,939), Rossby Financial, LCC ($1,371). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | HRT FINANCIAL LP | $450,000 | 530,000 | Added |
| 2 | SIMPLEX TRADING, LLC | $317,076 | 372,900 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $252,879 | 297,400 | Trimmed |
| 4 | IMC-Chicago, LLC | $138,939 | 163,400 | Added |
| 5 | Rossby Financial, LCC | $1,371 | 300 | New |
Source: SEC Form 13F filings · as of 2026-06-30