3 institutions reported holding $135,864 of CURIOSITYSTREAM INC (CURIW) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($79,328), SIMPLEX TRADING, LLC ($36,408), GROUP ONE TRADING LLC ($20,128). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $79,328 | 26,800 | New |
| 2 | SIMPLEX TRADING, LLC | $36,408 | 12,300 | Added |
| 3 | GROUP ONE TRADING LLC | $20,128 | 6,800 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31