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, Q1 2024
Institutional positions in NB Bancorp, Inc. as of Mar 31, 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
- 56
- +39 vs. Q4 2023
- Shares held
- 9.59M
- +7.01M (+272.3%) vs. Q4 2023
- Total value
- $131.0M
- +$96.3M (+277.8%) vs. Q4 2023
- New holders
- 43
- 8 more added
- Sold out
- 4
- 3 more reduced
Compare with Q4 2023: 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, Q1 2024
Shares, value and share of portfolio for each institution holding NB Bancorp, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 1,980,823 | $27.1M | 0.00% | +1,980,823 | New |
| Pertento Partners LLP | 1,336,559 | $18.3M | 3.67% | +1,336,559 | New |
| Alliancebernstein L.P. | 817,165 | $11.2M | 0.00% | +49,000+6.4% | Added |
| BlackRock Inc. | 740,268 | $10.1M | 0.00% | +740,268 | New |
| Great Oak Capital Partners, LLC | 419,241 | $5.73M | 2.54% | +106,611+34.1% | Added |
| EJF Capital LLC | 390,617 | $5.34M | 3.71% | +185,617+90.5% | Added |
| Geode Capital Management, LLC | 386,177 | $5.28M | 0.00% | +386,177 | New |
| Stieven Capital Advisors, L.P. | 368,731 | $5.04M | 1.05% | +368,731 | New |
| Millennium Management LLC | 289,841 | $3.96M | 0.00% | +289,841 | New |
| Goldman Sachs Group Inc | 237,790 | $3.25M | 0.00% | +157,919+197.7% | Added |
| Charles Schwab Investment Management Inc | 216,293 | $2.95M | 0.00% | +216,293 | New |
| Wellington Management Group LLP | 197,297 | $2.70M | 0.00% | −340,424−63.3% | Reduced |
| Hennessy Advisors Inc | 190,000 | $2.60M | 0.11% | +190,000 | New |
| Citigroup Inc | 167,789 | $2.29M | 0.00% | +167,789 | New |
| Endeavour Capital Advisors Inc | 136,989 | $1.87M | 0.65% | +136,989 | New |
| State Street Corp | 129,800 | $1.77M | 0.00% | +129,800 | New |
| Victory Capital Management Inc | 117,449 | $1.60M | 0.00% | +21,760+22.7% | Added |
| Mangrove Partners | 115,270 | $1.57M | 0.14% | +115,270 | New |
| Raffles Associates LP | 110,700 | $1.51M | 1.76% | +110,700 | New |
| Marshall Wace, LLP | 94,377 | $1.29M | 0.00% | +94,377 | New |
| Colony Group, LLC | 82,000 | $1.20M | 0.01% | +82,000 | New |
| Oppenheimer & Close, LLC | 82,999 | $1.13M | 0.98% | +15,000+22.1% | Added |
| Stilwell Value LLC | 80,000 | $1.09M | 0.57% | 00.0% | Unchanged |
| Farley Capital L.P. | 80,000 | $1.09M | 1.03% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 79,019 | $1.08M | 0.00% | +79,019 | New |
| Morgan Stanley | 77,959 | $1.06M | 0.00% | +74,459+2,127.4% | Added |
| Integrated Wealth Concepts LLC | 76,071 | $1.04M | 0.02% | +76,071 | New |
| Northern Trust Corp | 72,398 | $989.0K | 0.00% | +72,398 | New |
| Lynch & Associates | 70,051 | $956.9K | 0.22% | +70,051 | New |
| Cannell Capital LLC | 50,591 | $691.1K | 0.16% | +50,591 | New |
| Qube Research & Technologies Ltd | 41,618 | $568.5K | 0.00% | +41,618 | New |
| Bank of America Corp | 28,116 | $384.1K | 0.00% | +28,116 | New |
| UBS Group AG | 27,498 | $375.6K | 0.00% | +27,498 | New |
| Freestone Capital Holdings, LLC | 26,134 | $357.0K | 0.01% | −43,866−62.7% | Reduced |
| Janus Henderson Group PLC | 22,870 | $312.4K | 0.00% | +22,870 | New |
| Modera Wealth Management, LLC | 22,011 | $300.7K | 0.00% | +22,011 | New |
| LPL Financial LLC | 20,000 | $273.2K | 0.00% | +20,000 | New |
| Barry Investment Advisors, LLC | 20,000 | $273.2K | 0.09% | +20,000 | New |
| Janney Montgomery Scott LLC | 20,000 | $273.0K | 0.00% | +20,000 | New |
| Kestra Private Wealth Services, LLC | 19,627 | $268.1K | 0.01% | +19,627 | New |
| Schonfeld Strategic Advisors LLC | 16,244 | $221.9K | 0.00% | +16,244 | New |
| Renaissance Technologies LLC | 15,500 | $212.0K | 0.00% | +15,500 | New |
| Commonwealth Equity Services, LLC | 13,801 | $189.0K | 0.00% | +13,801 | New |
| Susquehanna International Group, LLP | 13,710 | $187.3K | 0.00% | +13,710 | New |
| Polymer Capital Management (HK) LTD | 12,386 | $169.2K | 0.04% | +12,386 | New |
| Farther Finance Advisors, LLC | 12,000 | $163.2K | 0.01% | +2,000+20.0% | Added |
| CTC Alternative Strategies, Ltd. | 10,700 | $146.2K | 0.09% | +10,700 | New |
| Gray Private Wealth, LLC | 10,588 | $144.6K | 0.10% | +10,588 | New |
| Royal Bank of Canada | 10,150 | $139.0K | 0.00% | +10,150 | New |
| Jane Street Group, LLC | 10,175 | $139.0K | 0.00% | +10,175 | New |
| Barrett & Company, Inc. | 10,000 | $136.6K | 0.06% | +10,000 | New |
| BNP Paribas Arbitrage, SA | 6,236 | $85.2K | 0.00% | +6,236 | New |
| Steward Partners Investment Advisory, LLC | 1,000 | $13.7K | 0.00% | +1,000 | New |
| Tower Research Capital LLC (TRC) | 369 | $5.04K | 0.00% | −131−26.2% | Reduced |
| Wells Fargo & Company | 294 | $4.02K | 0.00% | +294 | New |
| Macquarie Group Ltd | 2,612 | $36 | 0.00% | +2,612 | New |
| Fourthstone LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Newtyn Management, LLC | 0 | $0 | 0.00% | −46,945−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −41,593−100.0% | Sold out |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 0 | $0 | 0.00% | −26,000−100.0% | Sold out |