Who Owns SIEBERT FINL CORP (SIEB)? -- Institutional Holders (2026-06-30)
63 institutions reported holding $3.9M of SIEBERT FINL CORP (SIEB) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($1.1M), CANTOR FITZGERALD, L. P. ($851,253), GEODE CAPITAL MANAGEMENT, LLC ($419,165), Cetera Investment Advisers ($242,534), MILLENNIUM MANAGEMENT LLC ($200,033). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | VANGUARD GROUP INC | $1.1M | 666,793 | Trimmed |
| 2 | CANTOR FITZGERALD, L. P. | $851,253 | 515,911 | New |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $419,165 | 253,888 | Trimmed |
| 4 | Cetera Investment Advisers | $242,534 | 146,990 | Added |
| 5 | MILLENNIUM MANAGEMENT LLC | $200,033 | 121,232 | New |
| 6 | BlackRock, Inc. | $168,210 | 101,946 | Trimmed |
| 7 | GOLDMAN SACHS GROUP INC | $92,661 | 56,158 | Added |
| 8 | JANE STREET GROUP, LLC | $92,023 | 55,771 | New |
| 9 | STATE STREET CORP | $83,573 | 50,650 | Trimmed |
| 10 | CITADEL ADVISORS LLC | $80,695 | 48,906 | Added |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $79,708 | 48,308 | Added |
| 12 | NORTHERN TRUST CORP | $69,815 | 42,312 | Trimmed |
| 13 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $58,257 | 35,307 | Trimmed |
| 14 | DIMENSIONAL FUND ADVISORS LP | $43,545 | 26,299 | Trimmed |
| 15 | AQR CAPITAL MANAGEMENT LLC | $41,701 | 25,273 | New |
| 16 | UBS Group AG | $36,788 | 22,296 | Trimmed |
| 17 | MORGAN STANLEY | $36,439 | 22,084 | Added |
| 18 | Williams & Novak, LLC | $36,135 | 21,900 | Added |
| 19 | Qube Research & Technologies Ltd | $35,170 | 21,315 | New |
| 20 | RENAISSANCE TECHNOLOGIES LLC | $34,650 | 21,000 | Trimmed |
| 21 | XTX Topco Ltd | $29,337 | 17,780 | New |
| 22 | AMERICAN CENTURY COMPANIES INC | $19,049 | 11,545 | Trimmed |
| 23 | Point72 Asset Management, L.P. | $18,807 | 11,398 | New |
| 24 | Russell Investments Group, Ltd. | $14,617 | 8,859 | Added |
| 25 | OSAIC HOLDINGS, INC. | $13,414 | 8,130 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30