NBT Bancorp Inc. (NBTB) ownership: Top institutional holder: BlackRock, Inc. ($315.10M). Insider activity: Net Seller (5 buys, 15 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 7400090.00 | $315.10M | 2026-03-31 |
| VANGUARD GROUP INC | 6048345.00 | $251.13M | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3475187.00 | $147.97M | 2026-03-31 |
| BlackRock Fund Advisors | 3408228.00 | $142.74M | 2016-12-31 |
| STATE STREET CORP | 2486293.00 | $105.87M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 2330975.00 | $99.25M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2253115.00 | $95.94M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 1329788.00 | $56.63M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 |
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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.