Southside Bancshares, Inc. (SBSI) ownership: Top institutional holder: BlackRock, Inc. ($130.62M). Insider activity: Net Seller (0 buys, 20 sells). 2 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 4201496.00 | $130.62M | 2026-03-31 |
| BlackRock Fund Advisors | 2101744.00 | $79.17M | 2016-12-31 |
| VANGUARD GROUP INC | 2031944.00 | $61.75M | 2025-12-31 |
| DIMENSIONAL FUND ADVISORS LP | 1384745.00 | $43.05M | 2026-03-31 |
| STATE STREET CORP | 1293618.00 | $40.22M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1237121.00 | $38.46M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 721414.00 | $22.43M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 589051.00 | $18.31M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 |
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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.