NBT Bancorp Inc.
US ˙ NasdaqGS ˙ US6287781024

SecurityNBTB / NBT Bancorp Inc.
InstitutionAlliancebernstein L.p.
Latest Disclosed Ownership64,405 shares
Latest Disclosed Value $ 2,674,096
Alliancebernstein L.p. ownership in NBTB / NBT Bancorp Inc.

On May 15, 2026 - Alliancebernstein L.p. filed a 13F-HR form disclosing ownership of 64,405 shares of NBT Bancorp Inc. (US:NBTB) valued at $2,742,365 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 64,405 shares of NBT Bancorp Inc.. This represents a change in shares of 0.00% during the quarter. The current value of the position is $2,990,324 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F NBT BANCORP COM 628778102 64,405 0 0.00 2,674 0.00 0.0009
2026-02-17 2025-12-31 13F NBT BANCORP COM 628778102 64,405 6,710 11.63 2,674 11.00 0.0008
2025-11-14 2025-09-30 13F NBT BANCORP COM 628778102 57,695 1,800 3.22 2,409 3.75 0.0008
2025-08-14 2025-06-30 13F NBT BANCORP COM 628778102 55,895 6,300 12.70 2,322 9.17 0.0008
2025-05-15 2025-03-31 13F NBT BANCORP COM 628778102 49,595 0 0.00 2,128 -10.18 0.0008
2025-02-12 2024-12-31 13F NBT BANCORP COM 628778102 49,595 0 0.00 2,369 7.98 0.0008
2024-11-14 2024-09-30 13F NBT BANCORP COM 628778102 49,595 -2,200 -4.25 2,194 9.70 0.0007
2024-08-14 2024-06-30 13F NBT BANCORP COM 628778102 51,795 -20,318 -28.18 1,999 -24.42 0.0007
2024-05-14 2024-03-31 13F NBT BANCORP COM 628778102 72,113 -67,751 -48.44 2,645 -54.87 0.0009
2024-02-14 2023-12-31 13F NBT BANCORP COM 628778102 139,864 -60,719 -30.27 5,862 -7.79 0.0023
2023-11-14 2023-09-30 13F NBT BANCORP COM 628778102 200,583 145,318 262.95 6,356 261.14 0.0027
2023-08-15 2023-06-30 13F NBT BANCORP COM 628778102 55,265 0 0.00 1,760 -5.48 0.0007
2023-05-15 2023-03-31 13F NBT BANCORP COM 628778102 55,265 -6,323 -10.27 1,863 -30.37 0.0008
2023-02-15 2022-12-31 13F NBT BANCORP COM 628778102 61,588 1,008 1.66 2,674 16.31 0.0012
2022-11-15 2022-09-30 13F NBT BANCORP COM 628778102 60,580 -5,732 -8.64 2,299 -7.78 0.0011
2022-08-15 2022-06-30 13F NBT BANCORP COM 628778102 66,312 584 0.89 2,493 4.97 0.0011
2022-05-13 2022-03-31 13F NBT BANCORP COM 628778102 65,728 -9,239 -12.32 2,375 -17.76 0.0009
2022-02-14 2021-12-31 13F NBT BANCORP COM 628778102 74,967 112 0.15 2,888 6.80 0.0010
2021-11-10 2021-09-30 13F NBT BANCORP COM 628778102 74,855 -3,088 -3.96 2,704 -3.57 0.0011
2021-07-30 2021-06-30 13F NBT BANCORP COM 628778102 77,943 4,690 6.40 2,804 -4.07 0.0011
2021-05-06 2021-03-31 13F NBT BANCORP COM 628778102 73,253 48 0.07 2,923 24.38 0.0013
2021-02-08 2020-12-31 13F NBT BANCORP COM 628778102 73,205 -56 -0.08 2,350 19.59 0.0011
2020-11-12 2020-09-30 13F NBT BANCORP COM 628778102 73,261 -266 -0.36 1,965 -13.13 0.0011
2020-08-13 2020-06-30 13F NBT BANCORP COM 628778102 73,527 352 0.48 2,262 -4.56 0.0013
2020-05-14 2020-03-31 13F NBT BANCORP COM 628778102 73,175 -500 -0.68 2,370 -20.68 0.0017
2020-02-18 2019-12-31 13F NBT BANCORP COM 628778102 73,675 -2,450 -3.22 2,988 7.29 0.0017
2019-11-14 2019-09-30 13F NBT BANCORP COM 628778102 76,125 -8,690 -10.25 2,785 -12.45 0.0017
2019-08-14 2019-06-30 13F NBT BANCORP COM 628778102 84,815 16,600 24.33 3,181 29.52 0.0020
2019-05-14 2019-03-31 13F NBT BANCORP COM 628778102 68,215 0 0.00 2,456 4.07 0.0016
2019-02-13 2018-12-31 13F NBT BANCORP COM 628778102 68,215 -800 -1.16 2,360 -10.91 0.0018
2018-11-08 2018-09-30 13F NBT BANCORP COM 628778102 69,015 -23 -0.03 2,649 0.57 0.0017
2018-08-13 2018-06-30 13F NBT BANCORP COM 628778102 69,038 23 0.03 2,634 7.55 0.0018
2018-05-14 2018-03-31 13F NBT BANCORP COM 628778102 69,015 0 0.00 2,449 -3.58 0.0018
2018-02-13 2017-12-31 13F NBT BANCORP COM 628778102 69,015 0 0.00 2,540 0.24 0.0018
2017-11-13 2017-09-30 13F NBT BANCORP COM 628778102 69,015 0 0.00 2,534 -0.63 0.0019
2017-08-10 2017-06-30 13F NBT BANCORP COM 628778102 69,015 0 0.00 2,550 -0.31 0.0020
2017-05-11 2017-03-31 13F NBT BANCORP COM 628778102 69,015 -1,200 -1.71 2,558 -13.02 0.0020
2017-02-13 2016-12-31 13F NBT BANCORP COM 628778102 70,215 -1,900 -2.63 2,941 24.09 0.0025
2016-11-10 2016-09-30 13F NBT BANCORP COM 628778102 72,115 -700 -0.96 2,370 13.67 0.0020
2016-08-11 2016-06-30 13F NBT BANCORP COM 628778102 72,815 0 0.00 2,085 6.27 0.0018
2016-05-13 2016-03-31 13F NBT BANCORP COM 628778102 72,815 -6,943 -8.71 1,962 -11.78 0.0017
2016-02-16 2015-12-31 13F/A-1 NBT BANCORP COM 628778102 79,758 6,143 8.34 2,224 12.15 0.0019
2016-02-12 2015-12-31 13F NBT BANCORP COM 628778102 79,758 2,149
2015-11-13 2015-09-30 13F NBT BANCORP COM 628778102 73,615 930 1.28 1,983 4.26 0.0017
2015-08-14 2015-06-30 13F NBT BANCORP COM 628778102 72,685 -14,000 -16.15 1,902 -12.43 0.0016
2015-05-13 2015-03-31 13F NBT BANCORP COM 628778102 86,685 0 0.00 2,172 -4.61 0.0018
2015-02-13 2014-12-31 13F NBT BANCORP COM 628778102 86,685 -3,515 -3.90 2,277 12.11 0.0019
2014-11-13 2014-09-30 13F NBT BANCORP COM 628778102 90,200 115 0.13 2,031 -6.15 0.0017
2014-08-13 2014-06-30 13F NBT BANCORP COM 628778102 90,085 -12,600 -12.27 2,164 -13.85 0.0018
2014-05-13 2014-03-31 13F NBT BANCORP COM 628778102 102,685 0 0.00 2,512 -5.56 0.0022
2014-02-13 2013-12-31 13F NBT BANCORP COM 628778102 102,685 0 0.00 2,660 12.71 0.0024
2013-11-14 2013-09-30 13F NBT BANCORP COM 628778102 102,685 0 0.00 2,360 8.56 0.0023
2013-08-13 2013-06-30 13F NBT BANCORP COM 628778102 102,685 102,685 2,174 0.0023
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.