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 |
|---|---|---|---|---|---|
| Macquarie Group Ltd | 2,612 | $36 | 0.00% | +2,612 | New |
| Wells Fargo & Company | 294 | $4.02K | 0.00% | +294 | New |
| Tower Research Capital LLC (TRC) | 369 | $5.04K | 0.00% | −131−26.2% | Reduced |
| Steward Partners Investment Advisory, LLC | 1,000 | $13.7K | 0.00% | +1,000 | New |
| BNP Paribas Arbitrage, SA | 6,236 | $85.2K | 0.00% | +6,236 | New |
| Barrett & Company, Inc. | 10,000 | $136.6K | 0.06% | +10,000 | New |
| Jane Street Group, LLC | 10,175 | $139.0K | 0.00% | +10,175 | New |
| Royal Bank of Canada | 10,150 | $139.0K | 0.00% | +10,150 | New |
| Gray Private Wealth, LLC | 10,588 | $144.6K | 0.10% | +10,588 | New |
| CTC Alternative Strategies, Ltd. | 10,700 | $146.2K | 0.09% | +10,700 | New |
| Farther Finance Advisors, LLC | 12,000 | $163.2K | 0.01% | +2,000+20.0% | Added |
| Polymer Capital Management (HK) LTD | 12,386 | $169.2K | 0.04% | +12,386 | New |
| Susquehanna International Group, LLP | 13,710 | $187.3K | 0.00% | +13,710 | New |
| Commonwealth Equity Services, LLC | 13,801 | $189.0K | 0.00% | +13,801 | New |
| Renaissance Technologies LLC | 15,500 | $212.0K | 0.00% | +15,500 | New |
| Schonfeld Strategic Advisors LLC | 16,244 | $221.9K | 0.00% | +16,244 | New |
| Kestra Private Wealth Services, LLC | 19,627 | $268.1K | 0.01% | +19,627 | New |
| Janney Montgomery Scott LLC | 20,000 | $273.0K | 0.00% | +20,000 | 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 |
| Modera Wealth Management, LLC | 22,011 | $300.7K | 0.00% | +22,011 | New |
| Janus Henderson Group PLC | 22,870 | $312.4K | 0.00% | +22,870 | New |
| Freestone Capital Holdings, LLC | 26,134 | $357.0K | 0.01% | −43,866−62.7% | Reduced |
| UBS Group AG | 27,498 | $375.6K | 0.00% | +27,498 | New |
| Bank of America Corp | 28,116 | $384.1K | 0.00% | +28,116 | New |
| Qube Research & Technologies Ltd | 41,618 | $568.5K | 0.00% | +41,618 | New |
| Cannell Capital LLC | 50,591 | $691.1K | 0.16% | +50,591 | New |
| Lynch & Associates | 70,051 | $956.9K | 0.22% | +70,051 | New |
| Northern Trust Corp | 72,398 | $989.0K | 0.00% | +72,398 | New |
| Integrated Wealth Concepts LLC | 76,071 | $1.04M | 0.02% | +76,071 | New |
| Morgan Stanley | 77,959 | $1.06M | 0.00% | +74,459+2,127.4% | Added |
| JPMorgan Chase & Co | 79,019 | $1.08M | 0.00% | +79,019 | New |
| 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 |
| Oppenheimer & Close, LLC | 82,999 | $1.13M | 0.98% | +15,000+22.1% | Added |
| Colony Group, LLC | 82,000 | $1.20M | 0.01% | +82,000 | New |
| Marshall Wace, LLP | 94,377 | $1.29M | 0.00% | +94,377 | New |
| Raffles Associates LP | 110,700 | $1.51M | 1.76% | +110,700 | New |
| Mangrove Partners | 115,270 | $1.57M | 0.14% | +115,270 | New |
| Victory Capital Management Inc | 117,449 | $1.60M | 0.00% | +21,760+22.7% | Added |
| State Street Corp | 129,800 | $1.77M | 0.00% | +129,800 | New |
| Endeavour Capital Advisors Inc | 136,989 | $1.87M | 0.65% | +136,989 | New |
| Citigroup Inc | 167,789 | $2.29M | 0.00% | +167,789 | New |
| Hennessy Advisors Inc | 190,000 | $2.60M | 0.11% | +190,000 | New |
| Wellington Management Group LLP | 197,297 | $2.70M | 0.00% | −340,424−63.3% | Reduced |
| Charles Schwab Investment Management Inc | 216,293 | $2.95M | 0.00% | +216,293 | New |
| Goldman Sachs Group Inc | 237,790 | $3.25M | 0.00% | +157,919+197.7% | Added |
| Millennium Management LLC | 289,841 | $3.96M | 0.00% | +289,841 | New |
| Stieven Capital Advisors, L.P. | 368,731 | $5.04M | 1.05% | +368,731 | New |
| Geode Capital Management, LLC | 386,177 | $5.28M | 0.00% | +386,177 | New |
| EJF Capital LLC | 390,617 | $5.34M | 3.71% | +185,617+90.5% | Added |
| Great Oak Capital Partners, LLC | 419,241 | $5.73M | 2.54% | +106,611+34.1% | Added |
| BlackRock Inc. | 740,268 | $10.1M | 0.00% | +740,268 | New |
| Alliancebernstein L.P. | 817,165 | $11.2M | 0.00% | +49,000+6.4% | Added |
| Pertento Partners LLP | 1,336,559 | $18.3M | 3.67% | +1,336,559 | New |
| Vanguard Group Inc | 1,980,823 | $27.1M | 0.00% | +1,980,823 | 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 |