Siebert Financial Corp. (SIEB) ownership: Top institutional holder: VANGUARD GROUP INC ($2.64M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 752586.00 | $2.64M | 2025-12-31 |
| BlackRock, Inc. | 779586.00 | $1.50M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 550619.00 | $1.06M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 435539.00 | $836506.00 | 2026-03-31 |
| UBS Group AG | 160593.00 | $308339.00 | 2026-03-31 |
| Cetera Investment Advisers | 146459.00 | $281201.00 | 2026-03-31 |
| STATE STREET CORP | 144234.00 | $276929.00 | 2026-03-31 |
| NORTHERN TRUST CORP | 138625.00 | $266161.00 | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-03-09 | |
| Sell | null | 2026-03-09 | |
| Sell | null | 2026-03-12 | |
| Sell | null | 2026-03-12 | |
| Sell | null | 2026-03-12 | |
| Sell | null | 2026-03-12 | |
| Sell | null | 2026-03-12 | |
| Sell | null | 2026-03-12 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.