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, Q4 2024
Institutional positions in NB Bancorp, Inc. as of Dec 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
- 114
- +7 vs. Q3 2024
- Shares held
- 18.1M
- −825.5K (−4.4%) vs. Q3 2024
- Total value
- $326.7M
- −$29.0M (−8.1%) vs. Q3 2024
- New holders
- 16
- 40 more added
- Sold out
- 9
- 34 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding NB Bancorp, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,274,939 | $59.1M | 0.00% | −20,981−0.6% | Reduced |
| Vanguard Group Inc | 2,086,825 | $37.7M | 0.00% | −228,039−9.9% | Reduced |
| Pertento Partners LLP | 1,978,903 | $35.7M | 3.68% | −376,840−16.0% | Reduced |
| Wellington Management Group LLP | 1,493,601 | $27.0M | 0.00% | 00.0% | Unchanged |
| State Street Corp | 1,023,919 | $18.5M | 0.00% | +29,539+3.0% | Added |
| Geode Capital Management, LLC | 880,699 | $15.9M | 0.00% | −4,544−0.5% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 543,400 | $9.81M | 0.03% | +213,190+64.6% | Added |
| Goldman Sachs Group Inc | 513,849 | $9.28M | 0.00% | −67,818−11.7% | Reduced |
| Northern Trust Corp | 358,539 | $6.48M | 0.00% | +15,985+4.7% | Added |
| Morgan Stanley | 344,233 | $6.22M | 0.00% | −279,357−44.8% | Reduced |
| Charles Schwab Investment Management Inc | 319,436 | $5.77M | 0.00% | +4,138+1.3% | Added |
| Bank of America Corp | 312,699 | $5.65M | 0.00% | −205,168−39.6% | Reduced |
| FMR LLC | 250,230 | $4.52M | 0.00% | +19,785+8.6% | Added |
| JPMorgan Chase & Co | 247,482 | $4.47M | 0.00% | +47,678+23.9% | Added |
| Prospector Partners LLC | 242,272 | $4.38M | 0.50% | 00.0% | Unchanged |
| Millennium Management LLC | 224,170 | $4.05M | 0.00% | +132,130+143.6% | Added |
| Hennessy Advisors Inc | 205,000 | $3.70M | 0.11% | +40,000+24.2% | Added |
| Stieven Capital Advisors, L.P. | 197,043 | $3.56M | 0.63% | −52,499−21.0% | Reduced |
| Deutsche Bank AG | 184,409 | $3.33M | 0.00% | +13,124+7.7% | Added |
| Alliancebernstein L.P. | 182,250 | $3.29M | 0.00% | −206,275−53.1% | Reduced |
| Great Oak Capital Partners, LLC | 185,686 | $3.15M | 1.05% | −9,000−4.6% | Reduced |
| Renaissance Technologies LLC | 165,500 | $2.99M | 0.00% | +89,300+117.2% | Added |
| Endeavour Capital Advisors Inc | 157,425 | $2.84M | 0.91% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 145,183 | $2.62M | 0.01% | −6,648−4.4% | Reduced |
| Victory Capital Management Inc | 118,119 | $2.13M | 0.00% | +22,366+23.4% | Added |
| Two Sigma Investments, LP | 112,105 | $2.02M | 0.00% | −14,673−11.6% | Reduced |
| Mangrove Partners | 103,743 | $1.87M | 0.22% | −11,527−10.0% | Reduced |
| Bank of New York Mellon Corp | 101,629 | $1.84M | 0.00% | +7,408+7.9% | Added |
| Nuveen Asset Management, LLC | 99,384 | $1.79M | 0.00% | +25,690+34.9% | Added |
| Colony Group, LLC | 89,000 | $1.61M | 0.00% | +89,000 | New |
| Oppenheimer & Close, LLC | 82,999 | $1.50M | 1.23% | 00.0% | Unchanged |
| Stilwell Value LLC | 80,000 | $1.44M | 0.73% | 00.0% | Unchanged |
| UBS Group AG | 79,656 | $1.44M | 0.00% | +7,056+9.7% | Added |
| Ameriprise Financial Inc | 79,500 | $1.44M | 0.00% | +35,200+79.5% | Added |
| Rhumbline Advisers | 77,677 | $1.40M | 0.00% | +23,870+44.4% | Added |
| Barclays PLC | 77,444 | $1.40M | 0.00% | −3,670−4.5% | Reduced |
| Swiss National Bank | 75,000 | $1.35M | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 72,820 | $1.32M | 0.00% | −3,499−4.6% | Reduced |
| Lynch & Associates | 68,398 | $1.24M | 0.27% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 64,404 | $1.16M | 0.01% | −9,837−13.3% | Reduced |
| Legal & General Group Plc | 55,100 | $995.1K | 0.00% | −218−0.4% | Reduced |
| Farley Capital L.P. | 54,586 | $985.8K | 0.84% | 00.0% | Unchanged |
| Twin Focus Capital Partners, LLC | 51,164 | $924.0K | 0.14% | 00.0% | Unchanged |
| SummerHaven Investment Management, LLC | 49,226 | $889.0K | 0.55% | 00.0% | Unchanged |
| Citigroup Inc | 48,884 | $882.8K | 0.00% | −8,360−14.6% | Reduced |
| UBS Asset Management Americas Inc | 47,471 | $857.3K | 0.00% | −3,819−7.4% | Reduced |
| EJF Capital LLC | 44,622 | $805.9K | 0.55% | −50,108−52.9% | Reduced |
| Susquehanna International Group, LLP | 37,922 | $684.9K | 0.00% | +13,712+56.6% | Added |
| Two Sigma Advisers, LP | 37,400 | $675.4K | 0.00% | +27,000+259.6% | Added |
| California State Teachers Retirement System | 35,925 | $648.8K | 0.00% | −437−1.2% | Reduced |
| Rafferty Asset Management, LLC | 29,046 | $524.6K | 0.00% | −26,782−48.0% | Reduced |
| Verition Fund Management LLC | 28,836 | $520.8K | 0.00% | +28,836 | New |
| First Trust Advisors LP | 26,066 | $470.8K | 0.00% | +26,066 | New |
| SG Americas Securities, LLC | 25,602 | $462.0K | 0.00% | −689−2.6% | Reduced |
| Tudor Investment Corp Et Al | 25,480 | $460.2K | 0.00% | −27,124−51.6% | Reduced |
| Janus Henderson Group PLC | 24,871 | $449.1K | 0.00% | −1,311−5.0% | Reduced |
| MetLife Investment Management | 24,251 | $438.0K | 0.00% | +1,293+5.6% | Added |
| Creative Planning | 24,178 | $436.7K | 0.00% | +24,178 | New |
| American Century Companies Inc | 23,794 | $429.7K | 0.00% | +9,612+67.8% | Added |
| Engineers Gate Manager LP | 23,789 | $429.6K | 0.01% | +23,789 | New |
| Jump Financial, LLC | 23,580 | $425.9K | 0.01% | +9,649+69.3% | Added |
| Wells Fargo & Company | 22,852 | $412.7K | 0.00% | +4,977+27.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 22,152 | $400.1K | 0.00% | +789+3.7% | Added |
| Modera Wealth Management, LLC | 22,011 | $397.5K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 20,883 | $377.1K | 0.03% | −9,870−32.1% | Reduced |
| LPL Financial LLC | 20,000 | $361.2K | 0.00% | 00.0% | Unchanged |
| Kestra Private Wealth Services, LLC | 19,627 | $354.5K | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 19,481 | $351.8K | 0.00% | +1,446+8.0% | Added |
| Corebridge Financial, Inc. | 19,357 | $349.6K | 0.00% | −1,461−7.0% | Reduced |
| SEI Investments Co | 19,103 | $345.0K | 0.00% | +4,900+34.5% | Added |
| Commonwealth Equity Services, LLC | 18,797 | $339.0K | 0.00% | +6,047+47.4% | Added |
| Royal Bank of Canada | 16,146 | $292.0K | 0.00% | −130−0.8% | Reduced |
| Price T Rowe Associates Inc | 15,032 | $272.0K | 0.00% | +2,297+18.0% | Added |
| Schonfeld Strategic Advisors LLC | 14,400 | $260.1K | 0.00% | +14,400 | New |
| Intech Investment Management LLC | 13,733 | $248.0K | 0.00% | +13,733 | New |
| Voya Investment Management LLC | 12,842 | $231.9K | 0.00% | −475−3.6% | Reduced |
| Manufacturers Life Insurance Company, The | 12,273 | $221.7K | 0.00% | −169−1.4% | Reduced |
| Farther Finance Advisors, LLC | 12,000 | $216.7K | 0.01% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 11,733 | $211.9K | 0.00% | +11,733 | New |
| Arizona State Retirement System | 11,145 | $201.3K | 0.00% | +79+0.7% | Added |
| Raffles Associates LP | 11,136 | $201.1K | 0.22% | −18−0.2% | Reduced |
| ProShare Advisors LLC | 10,965 | $198.0K | 0.00% | +10,965 | New |
| Gray Private Wealth, LLC | 10,588 | $191.2K | 0.11% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 10,000 | $180.6K | 0.00% | 00.0% | Unchanged |
| Barrett & Company, Inc. | 10,000 | $180.6K | 0.08% | 00.0% | Unchanged |
| Barry Investment Advisors, LLC | 10,000 | $180.6K | 0.06% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 9,711 | $175.4K | 0.00% | +7,422+324.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 9,257 | $167.2K | 0.00% | +9,257 | New |
| State of Wyoming | 8,361 | $151.0K | 0.02% | −2,459−22.7% | Reduced |
| KLP Kapitalforvaltning AS | 7,100 | $128.2K | 0.00% | +7,100 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,676 | $120.6K | 0.00% | −6,000−47.3% | Reduced |
| Citadel Advisors LLC | 6,210 | $112.2K | 0.00% | +6,210 | New |
| Quantbot Technologies LP | 6,191 | $111.8K | 0.00% | +4,889+375.5% | Added |
| Tower Research Capital LLC (TRC) | 4,433 | $80.1K | 0.00% | +2,073+87.8% | Added |
| Ameritas Investment Partners, Inc. | 3,814 | $68.9K | 0.00% | 00.0% | Unchanged |
| Fairfield Financial Advisors, LTD | 2,000 | $36.1K | 0.01% | 00.0% | Unchanged |
| Resources Management Corp | 1,500 | $27.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,347 | $24.0K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,247 | $22.5K | 0.00% | +1,111+816.9% | Added |
| Advisor Group Holdings, Inc. | 995 | $18.0K | 0.00% | +27+2.8% | Added |