NB Bancorp, Inc.
NBBK- Exchange
- Nasdaq
- Industry
- Savings Institutions, Not Federally Chartered
- SEC CIK
- 0001979330
In the last 90 days, NB Bancorp, Inc. insiders filed 2 open-market purchases and 1 sale; 161 institutions reported holding it in 13F filings for Q2 2026, worth $474.9M in total; no superinvestor holds it.
13F holders, Q2 2024
Institutional positions in NB Bancorp, Inc. as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 92
- +36 vs. Q1 2024
- Shares held
- 16.8M
- +7.18M (+74.9%) vs. Q1 2024
- Total value
- $253.2M
- +$122.2M (+93.3%) vs. Q1 2024
- New holders
- 42
- 22 more added
- Sold out
- 6
- 13 more reduced
Compare with Q1 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting NBBK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 161 | $474.9M |
| Q1 2026 | 177 | $486.3M |
| Q4 2025 | 164 | $441.3M |
| Q3 2025 | 146 | $338.8M |
| Q2 2025 | 132 | $334.4M |
| Q1 2025 | 122 | $331.3M |
| Q4 2024 | 114 | $326.7M |
| Q3 2024 | 108 | $355.7M |
| Q2 2024 | 92 | $253.2M |
| Q1 2024 | 56 | $131.0M |
| Q4 2023 | 17 | $34.7M |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding NB Bancorp, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,111,388 | $46.9M | 0.00% | +2,371,120+320.3% | Added |
| Pertento Partners LLP | 2,355,743 | $35.5M | 4.50% | +1,019,184+76.3% | Added |
| Vanguard Group Inc | 2,247,742 | $33.9M | 0.00% | +266,919+13.5% | Added |
| Wellington Management Group LLP | 1,202,783 | $18.1M | 0.00% | +1,005,486+509.6% | Added |
| Geode Capital Management, LLC | 868,973 | $13.1M | 0.00% | +482,796+125.0% | Added |
| State Street Corp | 853,420 | $12.9M | 0.00% | +723,620+557.5% | Added |
| Alliancebernstein L.P. | 652,025 | $9.83M | 0.00% | −165,140−20.2% | Reduced |
| Goldman Sachs Group Inc | 500,481 | $7.55M | 0.00% | +262,691+110.5% | Added |
| Stieven Capital Advisors, L.P. | 363,631 | $5.48M | 1.21% | −5,100−1.4% | Reduced |
| Charles Schwab Investment Management Inc | 311,687 | $4.70M | 0.00% | +95,394+44.1% | Added |
| EJF Capital LLC | 269,996 | $4.07M | 3.02% | −120,621−30.9% | Reduced |
| Prospector Partners LLC | 242,272 | $3.65M | 0.43% | +242,272 | New |
| Morgan Stanley | 229,881 | $3.47M | 0.00% | +151,922+194.9% | Added |
| Raffles Associates LP | 223,019 | $3.36M | 3.79% | +112,319+101.5% | Added |
| Great Oak Capital Partners, LLC | 189,686 | $3.24M | 1.22% | −229,555−54.8% | Reduced |
| Bank of America Corp | 198,883 | $3.00M | 0.00% | +170,767+607.4% | Added |
| Endeavour Capital Advisors Inc | 181,769 | $2.74M | 0.95% | +44,780+32.7% | Added |
| Deutsche Bank AG | 166,696 | $2.51M | 0.00% | +166,696 | New |
| Hennessy Advisors Inc | 155,000 | $2.34M | 0.09% | −35,000−18.4% | Reduced |
| Bank of New York Mellon Corp | 120,688 | $1.82M | 0.00% | +120,688 | New |
| Victory Capital Management Inc | 117,403 | $1.77M | 0.00% | −460.0% | Reduced |
| Mangrove Partners | 115,270 | $1.74M | 0.16% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 105,034 | $1.58M | 0.01% | +105,034 | New |
| JPMorgan Chase & Co | 91,030 | $1.37M | 0.00% | +12,011+15.2% | Added |
| Colony Group, LLC | 82,000 | $1.36M | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 89,813 | $1.35M | 0.00% | +17,415+24.1% | Added |
| Oppenheimer & Close, LLC | 82,999 | $1.25M | 1.10% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 82,365 | $1.24M | 0.00% | +82,365 | New |
| Stilwell Value LLC | 80,000 | $1.21M | 0.63% | 00.0% | Unchanged |
| Farley Capital L.P. | 80,000 | $1.21M | 1.08% | 00.0% | Unchanged |
| UBS Group AG | 77,744 | $1.17M | 0.00% | +50,246+182.7% | Added |
| Integrated Wealth Concepts LLC | 74,071 | $1.12M | 0.02% | −2,000−2.6% | Reduced |
| Nuveen Asset Management, LLC | 73,694 | $1.11M | 0.00% | +73,694 | New |
| Renaissance Technologies LLC | 70,700 | $1.07M | 0.00% | +55,200+356.1% | Added |
| Lynch & Associates | 68,398 | $1.03M | 0.23% | −1,653−2.4% | Reduced |
| Citigroup Inc | 56,912 | $858.2K | 0.00% | −110,877−66.1% | Reduced |
| Two Sigma Investments, LP | 55,533 | $837.4K | 0.00% | +55,533 | New |
| Rhumbline Advisers | 54,169 | $816.9K | 0.00% | +54,169 | New |
| Twin Focus Capital Partners, LLC | 51,164 | $771.6K | 0.12% | +51,164 | New |
| Cannell Capital LLC | 50,591 | $762.9K | 0.18% | 00.0% | Unchanged |
| Millennium Management LLC | 47,222 | $712.1K | 0.00% | −242,619−83.7% | Reduced |
| Barclays PLC | 46,879 | $706.9K | 0.00% | +46,879 | New |
| BNP Paribas Arbitrage, SA | 42,842 | $646.1K | 0.00% | +36,606+587.0% | Added |
| ExodusPoint Capital Management, LP | 42,000 | $633.0K | 0.01% | +42,000 | New |
| Alpine Global Management, LLC | 38,296 | $577.5K | 0.10% | +38,296 | New |
| Susquehanna International Group, LLP | 34,367 | $518.3K | 0.00% | +20,657+150.7% | Added |
| Invesco Ltd. | 32,759 | $494.0K | 0.00% | +32,759 | New |
| Occudo Quantitative Strategies LP | 28,643 | $431.9K | 0.08% | +28,643 | New |
| Jump Financial, LLC | 27,110 | $408.8K | 0.01% | +27,110 | New |
| Modera Wealth Management, LLC | 22,011 | $331.9K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 20,946 | $316.1K | 0.00% | +20,946 | New |
| LPL Financial LLC | 20,000 | $301.6K | 0.00% | 00.0% | Unchanged |
| Barry Investment Advisors, LLC | 20,000 | $301.6K | 0.10% | 00.0% | Unchanged |
| Kestra Private Wealth Services, LLC | 19,627 | $296.0K | 0.01% | 00.0% | Unchanged |
| Trexquant Investment LP | 18,715 | $282.2K | 0.00% | +18,715 | New |
| Bank of Montreal | 18,238 | $275.8K | 0.00% | +18,238 | New |
| SG Americas Securities, LLC | 17,702 | $267.0K | 0.00% | +17,702 | New |
| PDT Partners, LLC | 17,273 | $260.5K | 0.02% | +17,273 | New |
| Wells Fargo & Company | 17,107 | $258.0K | 0.00% | +16,813+5,718.7% | Added |
| New York State Common Retirement Fund | 15,800 | $238.3K | 0.00% | +15,800 | New |
| Royal Bank of Canada | 14,074 | $212.0K | 0.00% | +3,924+38.7% | Added |
| Manufacturers Life Insurance Company, The | 13,989 | $211.0K | 0.00% | +13,989 | New |
| Commonwealth Equity Services, LLC | 13,801 | $208.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 13,649 | $205.8K | 0.00% | +3,474+34.1% | Added |
| Voya Investment Management LLC | 13,507 | $203.7K | 0.00% | +13,507 | New |
| Two Sigma Securities, LLC | 12,585 | $189.8K | 0.01% | +12,585 | New |
| Farther Finance Advisors, LLC | 12,000 | $181.6K | 0.01% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 11,898 | $179.4K | 0.00% | −10,972−48.0% | Reduced |
| Gray Private Wealth, LLC | 10,588 | $159.7K | 0.10% | 00.0% | Unchanged |
| MetLife Investment Management | 10,022 | $151.1K | 0.00% | +10,022 | New |
| Janney Montgomery Scott LLC | 10,000 | $151.0K | 0.00% | −10,000−50.0% | Reduced |
| Barrett & Company, Inc. | 10,000 | $150.8K | 0.07% | 00.0% | Unchanged |
| STRS Ohio | 7,200 | $108.6K | 0.00% | +7,200 | New |
| Quantbot Technologies LP | 7,033 | $106.1K | 0.01% | +7,033 | New |
| International Assets Investment Management, LLC | 6,900 | $104.1K | 0.01% | +6,900 | New |
| Acadian Asset Management LLC | 6,329 | $95.0K | 0.00% | +6,329 | New |
| Tower Research Capital LLC (TRC) | 4,870 | $73.4K | 0.00% | +4,501+1,219.8% | Added |
| Ameritas Investment Partners, Inc. | 3,814 | $57.5K | 0.00% | +3,814 | New |
| Legal & General Group Plc | 3,361 | $50.7K | 0.00% | +3,361 | New |
| California State Teachers Retirement System | 2,821 | $42.5K | 0.00% | +2,821 | New |
| Qube Research & Technologies Ltd | 2,788 | $42.0K | 0.00% | −38,830−93.3% | Reduced |
| State of Wyoming | 2,197 | $33.1K | 0.01% | +2,197 | New |
| Fairfield Financial Advisors, LTD | 2,000 | $30.2K | 0.01% | +2,000 | New |
| nVerses Capital, LLC | 1,700 | $25.6K | 0.02% | +1,700 | New |
| Rakuten Investment Management, Inc. | 1,719 | $25.4K | 0.00% | +1,719 | New |
| FMR LLC | 1,327 | $20.0K | 0.00% | +1,327 | New |
| Amalgamated Bank | 1,347 | $20.0K | 0.00% | +1,347 | New |
| Steward Partners Investment Advisory, LLC | 1,000 | $15.1K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 968 | $14.6K | 0.00% | +968 | New |
| Simplex Trading, LLC | 832 | $12.0K | 0.00% | +832 | New |
| Rothschild Investment LLC | 10 | $151 | 0.00% | +10 | New |
| Price T Rowe Associates Inc | 12,406 | $0 | 0.00% | +12,406 | New |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −94,377−100.0% | Sold out |
| Freestone Capital Holdings, LLC | 0 | $0 | 0.00% | −26,134−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −16,244−100.0% | Sold out |
| Polymer Capital Management (HK) LTD | 0 | $0 | 0.00% | −12,386−100.0% | Sold out |
| CTC Alternative Strategies, Ltd. | 0 | $0 | 0.00% | −10,700−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −2,612−100.0% | Sold out |