13F

Stock

NB Bancorp, Inc.

NBBK · held by 163 managers

Reported value

$428.9M

Holders

163

+1 new · −1 exited

Holders’ est. mark

$522.6K

Price effect on 6 books still in the name

Largest holder

$61.5M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.3.1M$61.5MHeld
Pertento Partners LLP2.34M$46.5MHeld
Vanguard2.3M$45.6MHeld
WELLINGTON MANAGEMENT GROUP LLP1.47M$29.2MHeld
State Street1.11M$22.1MHeld
GEODE CAPITAL MANAGEMENT, LLC966.7K$19.2MHeld
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC702K$13.9MHeld
AltraVue Capital, LLC693K$13.7MHeld
GOLDMAN SACHS GROUP INC593.9K$11.8MHeld
Fidelity383.2K$7.6MHeld
Nuveen, LLC346.8K$6.87MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC329.4K$6.53MHeld
NORTHERN TRUST CORP324.3K$6.43MHeld
DIMENSIONAL FUND ADVISORS LP288K$5.71MHeld
ALLIANCEBERNSTEIN L.P.254.2K$5.04MHeld
TWO SIGMA INVESTMENTS, LP252.8K$5.01MHeld
MARSHALL WACE, LLP251.5K$4.98MHeld
Renaissance Technologies251.3K$4.98MHeld
MORGAN STANLEY242.1K$4.8M$264.9KAdded$2.64M
AMERICAN CENTURY COMPANIES INC221.9K$4.4MHeld
BRIDGEWAY CAPITAL MANAGEMENT, LLC193.2K$3.83MHeld
HENNESSY ADVISORS INC181K$3.59MHeld
EJF Capital LP175K$3.47MHeld
Legato Capital Management LLC171.4K$3.4MHeld
Empowered Funds, LLC153.2K$3.04MHeld
PANAGORA ASSET MANAGEMENT INC150.4K$2.98MHeld
Bank of New York Mellon Corp149.2K$2.96MHeld
UBS Group AG146.1K$2.9MHeld
NEW YORK STATE COMMON RETIREMENT FUND144.4K$2.86MHeld
SEI INVESTMENTS CO143.8K$2.85MHeld
FIRST TRUST ADVISORS LP142.1K$2.82MHeld
TWO SIGMA ADVISERS, LP140K$2.77MHeld
Financial Engines Advisors L.L.C.117.7K$2.33MHeld
MANGROVE PARTNERS IM, LLC111.4K$2.21MHeld
Citadel106.5K$2.11MHeld
Icahn Capital105K$2.08MHeld
Focus Partners Wealth91.4K$1.81MHeld
BANK OF AMERICA CORP /DE/90.6K$1.8M$142KAdded$641.8K
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC86.9K$1.72MHeld
Oppenheimer & Close, LLC83K$1.65MHeld
LOS ANGELES CAPITAL MANAGEMENT LLC90.4K$1.64MHeld
JANE STREET GROUP, LLC81.6K$1.62MHeld
AMERIPRISE FINANCIAL INC78.6K$1.56MHeld
Swiss National Bank77.1K$1.53MHeld
BNP PARIBAS FINANCIAL MARKETS70.9K$1.4MHeld
BARCLAYS PLC70.8K$1.4M$114.7KAdded$469.4K
STILWELL VALUE LLC65K$1.29MHeld
PRINCIPAL FINANCIAL GROUP INC64.5K$1.28MHeld
Invesco Ltd.63.3K$1.26MHeld
Legal & General Group Plc60.6K$1.2MHeld
JPMORGAN CHASE & CO59.2K$1.17MHeld
MILLENNIUM MANAGEMENT LLC54.9K$1.09MHeld
LYNCH & ASSOCIATES/IN54.3K$1.08MHeld
Creative Planning52.5K$1.04MHeld
RHUMBLINE ADVISERS52.2K$1.03MHeld
LAZARD ASSET MANAGEMENT LLC52.2K$1.03MHeld
Round Rock Advisors LLC51.9K$1.03MHeld
NIXON PEABODY TRUST CO48.5K$961.6KHeld
Integrated Wealth Concepts LLC47.6K$943.4KHeld
D. E. Shaw & Co., Inc.45.8K$907.1KHeld
WELLS FARGO & COMPANY/MN45.4K$900.2KHeld
Integrated Quantitative Investments LLC40.9K$811.5KHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC39.2K$776.8KHeld
Verition Fund Management LLC38.3K$758.4KHeld
Aviance Capital Partners, LLC37.2K$736.6KHeld
Mariner, LLC36.4K$720.8KHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM36.1K$715.4KHeld
FEDERATED HERMES, INC.34.2K$678.6KHeld
OCCUDO QUANTITATIVE STRATEGIES LP32.2K$637.3KHeld
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC29K$575.2KHeld
RAFFLES ASSOCIATES LP28.4K$562.4KHeld
Brandywine Global Investment Management, LLC27.5K$544.5KHeld
STATE OF WISCONSIN INVESTMENT BOARD26.6K$528KHeld
Belvedere Trading LLC26.6K$526.8KHeld
Susquehanna Portfolio Strategies, LLC25.4K$502.8KHeld
DEUTSCHE BANK AG\25K$496KHeld
LPL Financial LLC24.3K$482.2KHeld
Rafferty Asset Management, LLC24.2K$479.6KHeld
Quantinno Capital Management LP23.3K$462.2KHeld
MetLife Investment Management, LLC23.1K$458.3KHeld
NORTHEAST INVESTMENT MANAGEMENT23K$455.9KHeld
CITIGROUP INC22.9K$453.6KHeld
Modera Wealth Management, LLC22K$436.3KHeld
COMMONWEALTH EQUITY SERVICES, LLC21.5K$426KHeld
Four Tree Island Advisory LLC21.5K$425.3KHeld
ExodusPoint Capital Management, LP21K$415.5KHeld
Point72 Asset Management, L.P.20.9K$414.3KHeld
Investment Advisory Group, LLC20K$396.4KHeld
&PARTNERS19.8K$393KHeld
Connor, Clark & Lunn Investment Management Ltd.19.8K$391.6KHeld
KESTRA PRIVATE WEALTH SERVICES, LLC19.7K$390.5KHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP18.9K$373.9KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.18.6K$367.7KHeld
NewEdge Wealth, LLC18.4K$365KHeld
Qube Research & Technologies Ltd17.4K$343.9KHeld
Universal- Beteiligungs- und Servicegesellschaft mbH16.8K$333.9KHeld
MERCER GLOBAL ADVISORS INC /ADV16.7K$331KHeld
Y-Intercept (Hong Kong) Ltd16.7K$330.6KHeld
ROCKLAND TRUST CO16K$316.5KHeld
DAVIS R M INC15.9K$315.7KHeld
Summit Wealth Group, LLC15.3K$304KHeld
JANUS HENDERSON GROUP PLC14.8K$293.2KHeld
Schonfeld Strategic Advisors LLC14.7K$290.4KHeld
INTECH INVESTMENT MANAGEMENT LLC14.3K$282.8KHeld
Bleakley Financial Group, LLC13.7K$270.8KHeld
ROYAL BANK OF CANADA12.4K$246KHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE12.4K$244.9KHeld
DIVERSIFIED TRUST CO12.3K$243.5KHeld
Farther Finance Advisors, LLC12K$237.9KHeld
MARTINGALE ASSET MANAGEMENT L P11.7K$231.9KHeld
ARIZONA STATE RETIREMENT SYSTEM10.8K$214.6KHeld
AFG FIDUCIARY SERVICES LIMITED PARTNERSHIP11K$214.2KHeld
Gray Private Wealth, LLC10.6K$209.9KHeld
Police & Firemen's Retirement System of New Jersey10.5K$207.9KHeld
GREAT OAK CAPITAL PARTNERS, LLC10.6K$207.7KHeld
BARRETT & COMPANY, INC.10K$198.2KHeld
Harbor Advisors LLC10K$198.2KHeld
Zurcher Kantonalbank (Zurich Cantonalbank)9.68K$191.8KHeld
AlphaQuest LLC9.49K$188KHeld
KLP KAPITALFORVALTNING AS8.3K$164.5KHeld
FLAGSHIP HARBOR ADVISORS, LLC6.44K$127.6KNew
Allworth Financial LP5.83K$115.6K$19Added$115.5K
Russell Investments Group, Ltd.4.34K$86.1KHeld
Larson Financial Group LLC3.63K$71.9KHeld
SHP Wealth Management3.45K$68.5KHeld
Ameritas Investment Partners, Inc.3.42K$67.8KHeld
Tower Research Capital LLC (TRC)2.52K$49.9KHeld
Kestra Advisory Services, LLC2.33K$46.1KHeld
Sterling Capital Management LLC2.3K$45.6KHeld
Rockefeller Capital Management L.P.1.53K$30.3KHeld
OSAIC HOLDINGS, INC.1.31K$26KHeld
EverSource Wealth Advisors, LLC1.29K$25.5KHeld
Tieton Capital Management, LLC524.9K$10.4KHeld
Aquatic Capital Management LLC519$10.3KHeld
GAMMA Investing LLC499$9.89KHeld
Essential Partners LLC494$9.79K$879Added$2.64K
EASTERN BANK288$5.71KHeld
Eurizon Capital SGR S.p.A.275$5.45KHeld
Optiver Holding B.V.212$4.2KHeld
STRS OHIO200$3.96KHeld
IFP Advisors, Inc172$3.41K$119Added$2.44K
Quarry LP115$2.28KHeld
ROTHSCHILD INVESTMENT LLC87$1.72KHeld
QUADRANT CAPITAL GROUP LLC57$1.13KHeld
PNC Financial Services Group, Inc.57$1.13KHeld
Smartleaf Asset Management LLC56$1.12KHeld
American Capital Advisory, LLC50$991Held
PRICE T ROWE ASSOCIATES INC /MD/39.5K$783Held
Parallel Advisors, LLC39$773Held
NISA INVESTMENT ADVISORS, LLC18$357Held
ACADIAN ASSET MANAGEMENT LLC15.7K$311Held
HRT FINANCIAL LP15.1K$298Held
SG Americas Securities, LLC13.1K$259Held
Cambridge Investment Research Advisors, Inc.10.5K$207Held
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO6$119Held
Sunbelt Securities, Inc.5$99Held
CWM, LLC3.64K$72Held
True Wealth Design, LLC2$40Held
Arax Advisory Partners2$40Held
State of Alaska, Department of Revenue1.63K$32Held
RESOURCES MANAGEMENT CORP /CT/ /ADV1.5K$30Held
AMALGAMATED BANK1.25K$25Held
Covestor Ltd128$3Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.