2 institutions reported holding $271,150 of NIAGEN BIOSCIENCE INC (CDXC) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($259,347), SIMPLEX TRADING, LLC ($11,803). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $259,347 | 81,300 | Added |
| 2 | SIMPLEX TRADING, LLC | $11,803 | 3,700 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30