NBT Bancorp Inc (NBTB)
Who owns NBT Bancorp Inc (NBTB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.0% of the shares are freely tradable; institutional investors hold 65.5%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.23 | 7,400,090 | +0.0 | 03/31/2026 |
| Vanguard Group Inc | 11.63 | 6,048,345 | -0.2 | 12/31/2025 |
| Vanguard Portfolio Management, LLC | 6.68 | 3,475,187 | +0.0 | 03/31/2026 |
| State Street Corp | 4.78 | 2,486,293 | +2.2 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 4.48 | 2,330,975 | +1.3 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.33 | 2,253,115 | +0.0 | 03/31/2026 |
| Geode Capital Management, LLC | 2.56 | 1,329,788 | +4.5 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.10 | 3,170,935 | +0.0 | 05/29/2026 |
| Vanguard Total Stock Mkt Idx Inv | 3.07 | 1,597,773 | +0.7 | 04/30/2026 |
| iShares Russell 2000 ETF | 2.35 | 1,224,236 | +0.9 | 05/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 29. Jul 2026 | Mahoney Ruth H | EVP/President of Wealth Mgmt | Sell | 4,500 | 54.30 | 244,350 |
| 29. Jul 2026 | Halliday Sarah A | EVP/Chief Comm Innovation Off | Sell | 9,000 | 54.04 | 486,401 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.