NBBK · Company research
NB Bancorp, Inc. Common Stock (NBBK): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
80records availableFinancial Services
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 41912 | 885601 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Qube Research & Technologies Ltd | 1729829 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 127236 | 2688497 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16976 | 358703 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| ExodusPoint Capital Management, LP | 1736225 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15487 | 327240 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1800 | 38034 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Allworth Financial LP | 1555170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 118 | 2494 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| CREDIT AGRICOLE S A | 1191672 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 70000 | 1479100 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MetLife Investment Management, LLC | 1529735 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24072 | 508641 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Susquehanna Portfolio Strategies, LLC | 1996449 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9797 | 207011 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 397046 | 8389582 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 62 | 1310 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 318612 | 6732272 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 41180 | 870133 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| Pertento Partners LLP | 1894571 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1475770 | 31183020 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MIRABELLA FINANCIAL SERVICES LLP | 1538853 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20227 | 427397 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 722546 | 15267397 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 95346 | 2014661 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1670835 | 35304744 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Aquatic Capital Management LLC | 1803916 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1529 | 32308 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Legal & General Group Plc | 764068 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44623 | 942883 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 928047 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11222 | 237121 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BANK OF AMERICA CORP /DE/ | 70858 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 48905 | 1033362 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Corient Private Wealth LP | 1948780 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10441 | 220620 | — | — | — | Aug 27, 2026 | SEC_13F_DATASET |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 221399 | 4678161 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44137 | 932615 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46016 | 973 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| STRS OHIO | 820478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200 | 4226 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| AMERICAN CENTURY COMPANIES INC | 748054 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 261866 | 5533229 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Sixth Street Partners Management Company, L.P. | 1812095 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 318612 | 6732272 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| EASTERN BANK | 1126395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 288 | 6085 | — | — | — | Jul 1, 2026 | SEC_13F_DATASET |
| Tieton Capital Management, LLC | 1381954 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 546600 | 11550 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| &PARTNERS | 107136 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19730 | 416895 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11179 | 236000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Rafferty Asset Management, LLC | 1389426 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25529 | 539428 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Flywheel Private Wealth LLC | 2029680 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15000 | 316950 | — | — | — | Jul 21, 2026 | SEC_13F_DATASET |
| MARSHALL WACE, LLP | 1318757 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 86499 | 1827725 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Swiss National Bank | 1582202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 77100 | 1629123 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 52690 | 1113332 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24444 | 516502 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 346155 | 7314255 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| LPL Financial LLC | 1403438 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26409 | 558023 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1711210 | 36157867 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46899 | 990976 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| FIRST TRUST ADVISORS LP | 1125816 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 142253 | 3005805 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 440200 | 9301426 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Quarry LP | 1965207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23 | 486 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AltraVue Capital, LLC | 1740837 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1289018 | 27236950 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| COMMONWEALTH EQUITY SERVICES, LLC | 312272 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19285 | 407490 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| Empowered Funds, LLC | 1592828 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 181399 | 3832961 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| FIFTH THIRD BANCORP | 35527 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13474 | 284706 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Covestor Ltd | 1909846 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 517 | 11 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Ameritas Investment Partners, Inc. | 1055980 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3422 | 72307 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 277027 | 5853581 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Cerity Partners LLC | 1566475 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13852 | 292692 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Silver Grove Financial Group, Inc. | 2111172 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 85 | 1796 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Jupiter Topco LLC | 2146052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14800 | 312798 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MANGROVE PARTNERS IM, LLC | 1535392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 111356 | 2352952 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| IMC-Chicago, LLC | 1452861 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16900 | 357097 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Aviance Capital Partners, LLC | 1542383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38173 | 806595 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1084 | 22905 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 97200 | 2053836 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| KESTRA PRIVATE WEALTH SERVICES, LLC | 1649451 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16766 | 354261 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| WEDGE CAPITAL MANAGEMENT L L P/NC | 1015308 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 43216 | 913154 | — | — | — | Jul 10, 2026 | SEC_13F_DATASET |
| Harbor Advisors LLC | 1687156 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17500 | 369775 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| DEUTSCHE BANK AG\ | 948046 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 41024 | 866837 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| PNC Financial Services Group, Inc. | 713676 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 57 | 1204 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| EJF Capital LP | 1353254 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40751 | 861069 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 35981 | 760279 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 131440 | 2777327 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Mariner, LLC | 1373442 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 32716 | 691295 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16992 | 359046 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ROCKLAND TRUST CO | 84616 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14566 | 307780 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| Legato Capital Management LLC | 1442641 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 366090 | 7735482 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| PANAGORA ASSET MANAGEMENT INC | 883677 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 129355 | 2733271 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| FEDERATED HERMES, INC. | 1056288 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44967 | 950153 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Investment Advisory Group, LLC | 1910273 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20000 | 422600 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Clearstead Advisors, LLC | 842775 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 22 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Smartleaf Asset Management LLC | 2010393 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 56 | 1187 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20528 | 433756 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| VANGUARD ASSET MANAGEMENT, Ltd | 1680208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23484 | 496217 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.