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Disclosery

NBTB NBT BANCORP INC

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Stock (common), issuer CIK 790359

277 managers (285 13F filers) reported a position in NBTB shares at 2026-06-30, 35,191,390 shares in all. 28 filers opened a position and 39 filers sold out during the quarter.

Managers
277
13F filers
285
New
28
Added
99
Reduced
85
Sold out
39
Shares held by filers
35,191,390

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.7,477,880$369M0.01%+77,79013F-HRTimelineGroup
VANGUARD GROUP INCgroup of 7 filers holding6,127,880$303M-17,117Timeline
STATE STREET CORPin group STATE STREET CORP2,731,491$135M<0.01%+245,19813F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP2,406,173$119M0.02%+75,19813F-HRTimelineGroup
FMR LLCin group FMR LLC1,737,937$85.8M<0.01%+1,607,44513F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,393,256$68.8M<0.01%+63,46813F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP719,022$35.5M<0.01%+35,54113F-HRTimelineGroup
SILVERCREST ASSET MANAGEMENT GROUP LLC647,745$32M0.21%-45,03713F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC629,351$31.1M0.02%-40,50113F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co611,644$30.2M<0.01%-3,94313F-HRTimelineGroup
FULLER & THALER ASSET MANAGEMENT, INC.578,914$28.6M0.08%+175,41713F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …559,697$27.6M0.02%-56213F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC519,883$25.7M0.01%+337,46713F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp459,484$22.7M<0.01%+6,56713F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC441,781$21.8M0.01%+4,02113F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY410,346$20.3M<0.01%-33,25213F-HRTimelineGroup
Nuveen, LLCin group TIAA385,862$19M<0.01%+13,80213F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding343,322$16.9M+32,078Timeline
Ceredex Value Advisors LLC276,950$13.7M0.38%+8,70013F-HRTimeline
NBT BANK, N.A.in group NBT BANK, N.A.261,448$12.9M0.85%+97813F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC251,361$12.4M0.01%-2,98113F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP240,822$11.9M0.01%+85,02613F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC219,085$10.8M0.01%-28,86313F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO202,250$10.1M<0.01%-2,38913F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC189,433$9.35M0.16%+182,15313F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC178,835$8.83M<0.01%+6,22513F-HRTimelineGroup
Public Sector Pension Investment Board178,703$8.82M0.02%-8,43913F-HR/ATimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC163,440$8.07M<0.01%-97,47613F-HRTimelineGroup
SCHRODER INVESTMENT MANAGEMENT GROUP155,230$7.63M0.01%-39813F-HRTimeline
Invesco Ltd.in group Invesco Ltd.151,572$7.48M<0.01%-9,44013F-HRTimelineGroup
ProShare Advisors LLC147,235$7.27M0.01%-9,67113F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC135,314$6.68M0.01%-1,59613F-HRTimeline
RHUMBLINE ADVISERS131,567$6.5M<0.01%-15,29613F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP127,306$6.29M<0.01%+14,63513F-HRTimelineGroup
Edgestream Partners, L.P.125,023$6.17M0.18%+40,71913F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/124,971$6.17M<0.01%-36,76913F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc122,283$6.04M<0.01%-1,76213F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …122,143$6.03M<0.01%+64,42413F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN119,929$5.92M<0.01%+33,21513F-HRTimelineGroup
Savant Capital, LLC126,428$5.74M0.02%+52,71413F-HRTimeline
Swiss National Bank101,800$5.03M<0.01%-1,50013F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…96,029$4.83M0.01%-7,47813F-HRTimeline
Schonfeld Strategic Advisors LLC91,512$4.52M0.02%+57,46513F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/81,755$4.04M<0.01%+11,24413F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC79,566$3.93M<0.01%-3,93813F-HRTimelineGroup
Qube Research & Technologies Ltd77,858$3.84M<0.01%-217,32913F-HRTimeline
Empowered Funds, LLC77,153$3.81M0.02%+40,86913F-HRTimeline
PL Capital Advisors, LLC73,030$3.61M1%-135,00013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.70,736$3.49M<0.01%+55,11713F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…59,849$2.96M<0.01%-10,57313F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…59,711$2.95M<0.01%+9,83613F-HR/ATimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\55,960$2.76M<0.01%+7,18013F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.64,405$2.74M<0.01%013F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC54,416$2.69M<0.01%+54013F-HRTimelineGroup
LPL Financial LLC51,849$2.56M<0.01%+1,81013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC47,221$2.33M<0.01%+15,31113F-HRTimelineGroup
Baird Financial Group, Inc.in group Baird Financial Group, Inc.45,569$2.25M<0.01%+2,63813F-HRTimelineGroup
MGO ONE SEVEN LLC43,330$2.14M0.04%-5,18913F-HRTimeline
Quantinno Capital Management LP42,622$2.1M<0.01%+32,15113F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co42,023$2.07M<0.01%-2,83913F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…41,956$2.07M<0.01%+16,86613F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC39,887$1.97M0.02%-8,61013F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC39,824$1.97M<0.01%-2,37113F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…37,651$1.86M<0.01%+1,43413F-HRTimeline
TOMPKINS FINANCIAL CORPin group TOMPKINS FINANCIAL CORP37,540$1.85M0.13%-68813F-HRTimelineGroup
Linden Thomas Advisory Services, LLC36,052$1.78M0.14%new13F-HRTimeline
Horizon Advisory Services, Inc.34,781$1.72M0.72%013F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources34,145$1.69M<0.01%+77313F-HRTimelineGroup
Members Advisory Group LLC33,522$1.65M0.46%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…32,218$1.59M<0.01%-2,06413F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC30,902$1.53M<0.01%+2,19613F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…30,183$1.49M0.01%+1,29213F-HRTimelineGroup
Cetera Investment Advisers29,533$1.46M<0.01%-79613F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA29,543$1.46M<0.01%+65913F-HRTimelineGroup
Financial Engines Advisors L.L.C.29,432$1.45M<0.01%-113F-HRTimeline
OCCUDO QUANTITATIVE STRATEGIES LP27,845$1.37M0.07%-4,40513F-HRTimeline
MISSION WEALTH MANAGEMENT, LP27,096$1.34M0.02%new13F-HRTimeline
Illinois Municipal Retirement Fund27,041$1.34M0.02%-70413F-HRTimeline
Arax Advisory Partners26,959$1.33M0.01%+26,83913F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…26,957$1.33M<0.01%+20,75713F-HRTimelineGroup
Horizon Investments, LLC26,867$1.33M0.01%+4,80013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd26,779$1.32M0.02%+17,19013F-HRTimelineGroup
IFP Advisors, Inc25,034$1.24M0.02%+21613F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…23,875$1.18M<0.01%-15313F-HRTimelineGroup
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC23,597$1.16M0.01%-5,70713F-HRTimelineGroup
Jupiter Topco LLCin group Janus Henderson23,310$1.15M<0.01%13F-HRTimelineGroup
Louisiana State Employees Retirement Sy…22,800$1.13M0.02%-40013F-HR/ATimeline
Rafferty Asset Management, LLC21,913$1.08M<0.01%-2,41613F-HRTimeline
Creative Planningin group Creative Planning21,257$1.05M<0.01%-2,64013F-HRTimelineGroup
Rosenthal | Henry Capital Advisors, Inc.21,175$1.05M0.91%new13F-HRTimeline
State of Alaska, Department of Revenue19,420$958K0.01%-8,67813F-HRTimeline
Geneos Wealth Management Inc.19,308$953K0.02%013F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCgroup of 2 filers holding18,801$928K-941Timeline
Community Bank, N.A.18,509$914K0.1%013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND18,287$903K<0.01%+2,40013F-HRTimeline
Note Advisors, LLC18,048$891K0.39%+16913F-HRTimeline
Beacon Pointe Advisors, LLC17,544$866K<0.01%-613F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS17,259$852K<0.01%+3,16713F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS16,177$799K<0.01%+10,19913F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP16,161$798K<0.01%-10,52713F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC16,113$795K<0.01%+3,08113F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.15,956$788K<0.01%+5,95313F-HRTimelineGroup
Financial Planning Hawaii, Inc.15,439$762K0.41%013F-HRTimeline
Police & Firemen's Retirement System of…15,292$755K0.01%+1,11813F-HRTimeline
CreativeOne Wealth, LLCin group CreativeOne Wealth, LLC15,254$753K0.02%-13413F-HRTimelineGroup
LEIGH BALDWIN & CO., LLC15,018$741K0.4%-19213F-HRTimeline
PEOPLES FINANCIAL SERVICES CORP.15,000$740K0.32%013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…14,972$739K<0.01%013F-HRTimeline
VOLORIDGE INVESTMENT MANAGEMENT, LLC14,630$722K<0.01%-6,84013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM13,992$691K<0.01%-37813F-HRTimeline
AMALGAMATED BANK13,967$690K<0.01%-1,06213F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC13,907$687K0.01%+3313F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC13,789$681K0.03%+1,75213F-HRTimelineGroup
Washington Trust Advisors, Inc.13,626$673K0.05%+69313F-HRTimeline
Fenimore Asset Management Inc13,355$659K0.01%-1,12513F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…13,086$646K<0.01%013F-HRTimeline
Entropy Technologies, LP13,069$645K0.03%+6,45813F-HRTimeline
NISA INVESTMENT ADVISORS, LLC12,958$640K<0.01%+62013F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…12,908$637K<0.01%013F-HRTimeline
IEQ CAPITAL, LLC12,730$629K<0.01%+3,81513F-HRTimeline
Handelsbanken Fonder AB12,695$627K<0.01%013F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…12,333$609K<0.01%-60413F-HRTimeline
Shelter Rock Management, LLC12,163$600K0.58%013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC12,160$600K<0.01%-10,98113F-HRTimelineGroup
North Star Investment Management Corp.12,000$592K0.03%013F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND11,804$583K0.01%-20013F-HRTimeline
Stonebridge Financial Group, LLC11,531$569K0.04%+113F-HRTimeline
HOWE & RUSLING INC11,485$567K0.03%+65313F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…11,409$563K<0.01%-25913F-HRTimelineGroup
KLP KAPITALFORVALTNING AS11,300$558K<0.01%013F-HRTimeline
GREENWOOD CAPITAL ASSOCIATES LLC11,125$549K0.05%-24613F-HRTimeline
Stablepoint Partners, LLC11,119$549K0.08%-11013F-HRTimeline
IFG Advisory, LLC11,075$547K0.02%new13F-HRTimeline
Laird Norton Wetherby Trust Company, LLCin group Laird Norton Wetherby Trust C…10,410$514K0.01%013F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV10,271$507K<0.01%+3,00213F-HR/ATimeline
State of Tennessee, Department of Treas…9,794$484K<0.01%013F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD9,700$479K<0.01%013F-HRTimeline
Odyssean, LLC9,330$461K0.07%013F-HRTimeline
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…9,315$460K<0.01%-20013F-HRTimelineGroup
BRADLEY FOSTER & SARGENT INC/CT9,027$446K0.01%013F-HRTimeline
HBK Sorce Advisory LLC8,343$444K0.01%-2,00013F-HRTimeline
Summit Financial, LLC8,964$443K<0.01%013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO8,750$432K<0.01%-2,56013F-HRTimelineGroup
&PARTNERS8,373$413K<0.01%new13F-HRTimeline
Aigen Investment Management, LP8,196$405K0.11%+3,02313F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC8,037$397K<0.01%+75313F-HRTimelineGroup
TEACHER RETIREMENT SYSTEM OF TEXAS7,881$389K<0.01%new13F-HRTimeline
Curi Capital, LLC7,753$383K0.01%-15,00013F-HRTimeline
BLB&B Advisors, LLC7,656$378K0.01%013F-HRTimeline
Portfolio Strategies, Inc.7,628$377K0.04%013F-HRTimeline
Maryland State Retirement & Pension Sys…7,608$376K0.01%013F-HRTimeline
Cornell Pochily Investment Advisors, In…7,552$373K0.1%+1013F-HRTimeline
Focused Wealth Management, Inc7,359$363K0.03%+7013F-HRTimeline
HighTower Advisors, LLC7,238$357K<0.01%-1,54113F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…7,220$356K<0.01%-28213F-HRTimelineGroup
M&T Bank Corpin group M&T Bank Corp7,079$349K<0.01%-1,96113F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/6,995$345K<0.01%+1,15713F-HRTimelineGroup
Amundiin group Amundi6,920$342K<0.01%-1,57713F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD6,816$337K<0.01%+1,64713F-HRTimeline
FIRST CITIZENS BANK & TRUST CO6,697$331K<0.01%-15413F-HRTimeline
Jain Global LLC6,491$320K<0.01%new13F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…6,373$315K<0.01%+59413F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding6,331$313K-45,557Timeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …6,298$311K<0.01%+1,07213F-HRTimelineGroup
Cambridge Investment Research Advisors,…6,037$298K<0.01%013F-HR/ATimeline
STEPHENS INC /AR/in group Stephens Investment Managemen…5,964$294K<0.01%013F-HRTimelineGroup
Prime Capital Investment Advisors, LLC5,958$294K<0.01%013F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…5,958$294K<0.01%-2913F-HRTimelineGroup
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…5,897$291K<0.01%+65713F-HRTimelineGroup
Stone House Investment Management, LLC5,631$278K0.04%+46613F-HRTimeline
Sanctuary Advisors, LLC5,599$276K<0.01%new13F-HRTimeline
INCEPTIONR LLC5,229$258K0.06%new13F-HRTimeline
Independent Advisor Alliance5,216$258K0.01%+4113F-HRTimeline
Numerai GP LLC5,204$257K0.02%-26,30113F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …5,081$253K<0.01%+6313F-HRTimelineGroup
Ascent Wealth Partners, LLC5,093$251K0.03%-26013F-HRTimeline
XPONANCE LLC5,008$247K<0.01%+7413F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC4,864$240K<0.01%-19,03513F-HRTimelineGroup
Daytona Street Capital LLC4,768$239K0.17%013F-HRTimeline
CIBC Asset Management Inc4,734$234K<0.01%-6013F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP4,722$233K<0.01%new13F-HR/ATimelineGroup
Ameritas Investment Partners, Inc.group of 2 filers holding4,705$232K+306Timeline
Strategic Financial Services, Inc.4,700$232K0.01%013F-HRTimeline
Integrated Wealth Concepts LLC4,436$219K<0.01%new13F-HRTimeline
GREAT LAKES ADVISORS, LLC4,364$215K<0.01%-24,37213F-HRTimeline
Freestone Grove Partners LP4,357$215K<0.01%new13F-HRTimeline
FIRST NATIONAL BANK & TRUST CO OF NEWTO…4,010$211K0.04%new13F-HRTimeline
BURNEY CO/4,185$207K0.01%new13F-HRTimeline
PROFUND ADVISORS LLC4,183$207K0.01%new13F-HRTimeline
UNION SAVINGS BANK3,738$185K0.07%-2,54413F-HRTimeline
HARBOR INVESTMENT ADVISORY, LLC3,624$179K0.01%013F-HRTimeline
Farther Finance Advisors, LLC3,368$166K<0.01%+46313F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…3,166$156K<0.01%+65013F-HRTimelineGroup
Plante Moran Financial Advisors, LLC2,991$148K0.01%013F-HRTimeline
BIRCHBROOK, INC.2,991$148K0.07%013F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC2,979$147K<0.01%-3,15613F-HRTimelineGroup
Ensign Peak Advisors, Inc2,957$146K<0.01%013F-HRTimeline
Smartleaf Asset Management LLC2,722$134K<0.01%013F-HRTimeline
GAMMA Investing LLC2,352$116K<0.01%+10413F-HRTimeline
ESL Trust Services, LLC2,058$102K0.02%013F-HRTimeline