1 institutions reported holding $36,135 of SIEBERT FINL CORP (SIEB) in SEC 13F filings for 2026-06-30. Largest institutional holders: Williams & Novak, LLC ($36,135). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Williams & Novak, LLC | $36,135 | 21,900 | Added |
Source: SEC Form 13F filings · as of 2026-06-30