NBT Bancorp Inc. (NBTB) Ownership
NBTB ownership summary
as of October 18, 2026- Institutions
- 69.3% of shares outstanding
- Insiders
- 2.83% of shares outstanding
- Shares outstanding
- 52.0M
- Float
- 51.0M shares available to trade
- Short interest
- 7.16% 2.7M shares short
- Days to cover
- 7.79 short interest up 13.8% vs prior month
- Institutions 69.35%
- Insiders 2.83%
- Other investors 27.82%
NBTB top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 14.39% | 7.5M | $380.3M | +77,790 (+1.1%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 6.64% | 3.4M | $175.4M | −25,649 (−0.7%) | June 30, 2026 |
| 3 | State Street Corp | 5.26% | 2.7M | $138.9M | +245,198 (+9.9%) | June 30, 2026 |
| 4 | Dimensional Fund Advisors, Inc. | 4.63% | 2.4M | $122.4M | +75,198 (+3.2%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.34% | 2.3M | $114.7M | +1,810 (+0.1%) | June 30, 2026 |
| 6 | FMR Inc | 3.34% | 1.7M | $88.4M | +1.6M (+1,231.8%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 2.68% | 1.4M | $70.8M | +63,468 (+4.8%) | June 30, 2026 |
| 8 | Northern Trust Corp | 1.38% | 719K | $36.6M | +35,541 (+5.2%) | June 30, 2026 |
| 9 | Silvercrest Asset Management Group LLC | 1.25% | 648K | $32.9M | −45,037 (−6.5%) | June 30, 2026 |
| 10 | Victory Capital Management Inc. | 1.21% | 629K | $32.0M | −40,501 (−6.0%) | June 30, 2026 |
| 11 | Charles Schwab Investment Management Inc | 1.18% | 612K | $31.1M | −3,943 (−0.6%) | June 30, 2026 |
| 12 | Fuller & Thaler Asset Management Inc | 1.11% | 579K | $29.4M | +175,417 (+43.5%) | June 30, 2026 |
| 13 | Manufacturers Life Insurance Co | 1.08% | 560K | $28.5M | −562 (−0.1%) | June 30, 2026 |
| 14 | American Century Companies Inc | 1.00% | 520K | $26.4M | +337,467 (+185.0%) | June 30, 2026 |
| 15 | Bank of New York Mellon Corp | 0.88% | 459K | $23.4M | +6,567 (+1.4%) | June 30, 2026 |
| 16 | Morgan Stanley - Brokerage Accounts | 0.79% | 410K | $20.9M | −33,252 (−7.5%) | June 30, 2026 |
| 17 | Nuveen, LLC | 0.74% | 386K | $19.6M | +13,802 (+3.7%) | June 30, 2026 |
| 18 | Vanguard Fiduciary Trust Co | 0.66% | 344K | $17.5M | +6,682 (+2.0%) | June 30, 2026 |
| 19 | Ceredex Value Advisors LLC | 0.53% | 277K | $14.1M | +8,700 (+3.2%) | June 30, 2026 |
| 20 | NBT Bank National Association | 0.50% | 261K | $13.3M | +978 (+0.4%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 2.7M shares and 6 cut 149K.
NBTB top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.97% | 3.1M | $157.7M | +729 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.04% | 1.6M | $80.4M | −3,607 (−0.2%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.62% | 1.4M | $69.2M | −15,680 (−1.1%) | September 30, 2026 |
| 4 | Vanguard Small Cap Index | 2.14% | 1.1M | $56.5M | −24,491 (−2.2%) | September 30, 2026 |
| 5 | Vanguard MStar Small Cap Value Index | 1.39% | 723K | $36.8M | +1,018 (+0.1%) | September 30, 2026 |
| 6 | Avantis US Small Cap Value ETF | 1.30% | 676K | $34.4M | +5,064 (+0.8%) | September 30, 2026 |
| 7 | Fidelity Small Cap Index | 1.09% | 568K | $28.9M | +4,084 (+0.7%) | July 31, 2026 |
| 8 | FullerThaler Behavioral Sm-Cp Eq R6 | 1.07% | 555K | $28.2M | +173,800 (+45.5%) | June 30, 2026 |
| 9 | Fidelity Stock Selector Small Cap | 1.06% | 551K | $28.0M | +496,321 (+910.5%) | July 31, 2026 |
| 10 | Bridge Builder Small/Mid Cap Value | 1.00% | 518K | $26.4M | +241,407 (+87.2%) | September 30, 2026 |
| 11 | iShares Russell 2000 Value ETF | 0.94% | 486K | $24.7M | +736 (+0.2%) | September 30, 2026 |
| 12 | State Street SPDR Port S&P 600 Sm CpETF | 0.92% | 476K | $24.2M | — | September 30, 2026 |
| 13 | State Street® SPDR® S&PRgnllBkgETF | 0.88% | 457K | $23.2M | +13,664 (+3.1%) | September 30, 2026 |
| 14 | iShares S&P Small-Cap 600 Value ETF | 0.85% | 439K | $22.3M | — | September 30, 2026 |
| 15 | DFA US Targeted Value I | 0.73% | 381K | $19.4M | — | August 31, 2026 |
| 16 | Fidelity Series Small Cap Opps | 0.68% | 352K | $17.9M | +314,500 (+835.6%) | July 31, 2026 |
| 17 | Fidelity Advisor Small Cap I | 0.67% | 349K | $17.7M | +304,520 (+684.6%) | July 31, 2026 |
| 18 | Dimensional US Targeted Value ETF | 0.66% | 345K | $17.6M | — | September 30, 2026 |
| 19 | Vanguard Tax-Managed Small Cap Adm | 0.64% | 333K | $16.9M | — | September 30, 2026 |
| 20 | Vanguard Russell 2000 ETF | 0.58% | 301K | $15.3M | +3,303 (+1.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
NBTB insider transactions
latest 9| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-17 | Amy Wiles | Sell | $45.72 | 4,435 | $202,768 |
| 2026-01-28 | Timothy E Delaney | Buy | $42.97 | 22,730 | $976,708 |
| 2025-11-06 | Timothy E Delaney | Buy | $40.98 | 10,000 | $409,800 |
| 2025-10-31 | Timothy E Delaney | Buy | $40.50 | 2,000 | $81,000 |
| 2025-08-13 | David J Nasca | Sell | $43.42 | 19,603 | $851,162 |
| 2025-06-03 | Jason David Brown | Buy | $41.10 | 350 | $14,385 |
| 2025-05-28 | John H Watt Jr | Sell | $42.02 | 7,869 | $330,655 |
| 2025-05-06 | Heidi M Hoeller | Buy | $42.88 | 2,588 | $110,973 |
| 2025-04-29 | Heidi M Hoeller | Buy | $43.21 | 2,553 | $110,315 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
NBTB shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns NBTB
Institutional investors own 69.3% of NBT Bancorp's shares and insiders 2.83%. The largest holder is BlackRock Inc with 14.39% of the shares (7.5M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 6 reduced their stake in the latest filings. Short interest is 7.16% of the float, or 7.79 days of average trading volume. The share count rose 17.9% since 2014.
Related: NBTB analyst forecast, NBTB key metrics, NBTB dividend history. See the NBTB stock overview for the latest quote and news.
NBTB ownership FAQ
Who owns the most NBT Bancorp stock?
The largest shareholders of NBT Bancorp are BlackRock Inc (14.39%), Vanguard Portfolio Management, LLC (6.64%), State Street Corp (5.26%), Dimensional Fund Advisors, Inc. (4.63%), Vanguard Capital Management, LLC (4.34%).
What percentage of NBT Bancorp is owned by institutions?
Institutions hold 69.3% of NBT Bancorp's shares outstanding; insiders hold 2.83%.
Which funds own NBT Bancorp?
The largest fund holders of NBT Bancorp are iShares Core S&P Small-Cap ETF (5.97%), Vanguard MStar Total Stk Mkt Idx Invest (3.04%), iShares Russell 2000 ETF (2.62%), Vanguard Small Cap Index (2.14%), Vanguard MStar Small Cap Value Index (1.39%).
What is NBT Bancorp's short interest?
2.7M shares of NBT Bancorp were sold short, 7.16% of the float; at the average daily volume it would take 7.79 days to cover.
Are insiders buying or selling NBT Bancorp?
Of the latest 9 reported insider transactions in NBT Bancorp (since April 29, 2025), 6 were purchases and 3 were sales.
How many shares of NBT Bancorp are outstanding?
NBT Bancorp has 52.0M shares outstanding, of which 51.0M are in the public float.