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 |
|---|---|---|---|---|---|
| IFP Advisors, Inc | 0 | $144 | 0.00% | 0 | New |
| Cassady Schiller Wealth Management, LLC | 16 | $289 | 0.00% | +16 | New |
| Rothschild Investment LLC | 45 | $813 | 0.00% | +15+50.0% | Added |
| Quadrant Capital Group LLC | 49 | $885 | 0.00% | −92−65.2% | Reduced |
| American Capital Advisory, LLC | 50 | $903 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 58 | $1.00K | 0.00% | +37+176.2% | Added |
| Lindbrook Capital, LLC | 75 | $1.35K | 0.00% | +62+476.9% | Added |
| Russell Investments Group, Ltd. | 76 | $1.37K | 0.00% | +42+123.5% | Added |
| Parallel Advisors, LLC | 81 | $1.46K | 0.00% | +81 | New |
| GAMMA Investing LLC | 274 | $4.95K | 0.00% | +4+1.5% | Added |
| Eastern Bank | 405 | $7.31K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 449 | $8.00K | 0.00% | +105+30.5% | Added |
| Signaturefd, LLC | 644 | $11.6K | 0.00% | +125+24.1% | Added |
| R Squared Ltd | 960 | $17.3K | 0.02% | +960 | New |
| Advisor Group Holdings, Inc. | 995 | $18.0K | 0.00% | +27+2.8% | Added |
| Sterling Capital Management LLC | 1,247 | $22.5K | 0.00% | +1,111+816.9% | Added |
| Amalgamated Bank | 1,347 | $24.0K | 0.00% | 00.0% | Unchanged |
| Resources Management Corp | 1,500 | $27.0K | 0.00% | 00.0% | Unchanged |
| Fairfield Financial Advisors, LTD | 2,000 | $36.1K | 0.01% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,814 | $68.9K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,433 | $80.1K | 0.00% | +2,073+87.8% | Added |
| Quantbot Technologies LP | 6,191 | $111.8K | 0.00% | +4,889+375.5% | Added |
| Citadel Advisors LLC | 6,210 | $112.2K | 0.00% | +6,210 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,676 | $120.6K | 0.00% | −6,000−47.3% | Reduced |
| KLP Kapitalforvaltning AS | 7,100 | $128.2K | 0.00% | +7,100 | New |
| State of Wyoming | 8,361 | $151.0K | 0.02% | −2,459−22.7% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 9,257 | $167.2K | 0.00% | +9,257 | New |
| Federated Hermes, Inc. | 9,711 | $175.4K | 0.00% | +7,422+324.2% | Added |
| 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 |
| Gray Private Wealth, LLC | 10,588 | $191.2K | 0.11% | 00.0% | Unchanged |
| ProShare Advisors LLC | 10,965 | $198.0K | 0.00% | +10,965 | New |
| Raffles Associates LP | 11,136 | $201.1K | 0.22% | −18−0.2% | Reduced |
| Arizona State Retirement System | 11,145 | $201.3K | 0.00% | +79+0.7% | Added |
| D. E. Shaw & Co., Inc. | 11,733 | $211.9K | 0.00% | +11,733 | New |
| Farther Finance Advisors, LLC | 12,000 | $216.7K | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 12,273 | $221.7K | 0.00% | −169−1.4% | Reduced |
| Voya Investment Management LLC | 12,842 | $231.9K | 0.00% | −475−3.6% | Reduced |
| Intech Investment Management LLC | 13,733 | $248.0K | 0.00% | +13,733 | New |
| Schonfeld Strategic Advisors LLC | 14,400 | $260.1K | 0.00% | +14,400 | New |
| Price T Rowe Associates Inc | 15,032 | $272.0K | 0.00% | +2,297+18.0% | Added |
| Royal Bank of Canada | 16,146 | $292.0K | 0.00% | −130−0.8% | Reduced |
| Commonwealth Equity Services, LLC | 18,797 | $339.0K | 0.00% | +6,047+47.4% | Added |
| SEI Investments Co | 19,103 | $345.0K | 0.00% | +4,900+34.5% | Added |
| Corebridge Financial, Inc. | 19,357 | $349.6K | 0.00% | −1,461−7.0% | Reduced |
| Invesco Ltd. | 19,481 | $351.8K | 0.00% | +1,446+8.0% | Added |
| Kestra Private Wealth Services, LLC | 19,627 | $354.5K | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 20,000 | $361.2K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 20,883 | $377.1K | 0.03% | −9,870−32.1% | Reduced |
| Modera Wealth Management, LLC | 22,011 | $397.5K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 22,152 | $400.1K | 0.00% | +789+3.7% | Added |
| Wells Fargo & Company | 22,852 | $412.7K | 0.00% | +4,977+27.8% | Added |
| Jump Financial, LLC | 23,580 | $425.9K | 0.01% | +9,649+69.3% | Added |
| Engineers Gate Manager LP | 23,789 | $429.6K | 0.01% | +23,789 | New |
| American Century Companies Inc | 23,794 | $429.7K | 0.00% | +9,612+67.8% | Added |
| Creative Planning | 24,178 | $436.7K | 0.00% | +24,178 | New |
| MetLife Investment Management | 24,251 | $438.0K | 0.00% | +1,293+5.6% | Added |
| Janus Henderson Group PLC | 24,871 | $449.1K | 0.00% | −1,311−5.0% | Reduced |
| Tudor Investment Corp Et Al | 25,480 | $460.2K | 0.00% | −27,124−51.6% | Reduced |
| SG Americas Securities, LLC | 25,602 | $462.0K | 0.00% | −689−2.6% | Reduced |
| First Trust Advisors LP | 26,066 | $470.8K | 0.00% | +26,066 | New |
| Verition Fund Management LLC | 28,836 | $520.8K | 0.00% | +28,836 | New |
| Rafferty Asset Management, LLC | 29,046 | $524.6K | 0.00% | −26,782−48.0% | Reduced |
| California State Teachers Retirement System | 35,925 | $648.8K | 0.00% | −437−1.2% | Reduced |
| Two Sigma Advisers, LP | 37,400 | $675.4K | 0.00% | +27,000+259.6% | Added |
| Susquehanna International Group, LLP | 37,922 | $684.9K | 0.00% | +13,712+56.6% | Added |
| EJF Capital LLC | 44,622 | $805.9K | 0.55% | −50,108−52.9% | Reduced |
| UBS Asset Management Americas Inc | 47,471 | $857.3K | 0.00% | −3,819−7.4% | Reduced |
| Citigroup Inc | 48,884 | $882.8K | 0.00% | −8,360−14.6% | Reduced |
| SummerHaven Investment Management, LLC | 49,226 | $889.0K | 0.55% | 00.0% | Unchanged |
| Twin Focus Capital Partners, LLC | 51,164 | $924.0K | 0.14% | 00.0% | Unchanged |
| Farley Capital L.P. | 54,586 | $985.8K | 0.84% | 00.0% | Unchanged |
| Legal & General Group Plc | 55,100 | $995.1K | 0.00% | −218−0.4% | Reduced |
| Integrated Wealth Concepts LLC | 64,404 | $1.16M | 0.01% | −9,837−13.3% | Reduced |
| Lynch & Associates | 68,398 | $1.24M | 0.27% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 72,820 | $1.32M | 0.00% | −3,499−4.6% | Reduced |
| Swiss National Bank | 75,000 | $1.35M | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 77,444 | $1.40M | 0.00% | −3,670−4.5% | Reduced |
| Rhumbline Advisers | 77,677 | $1.40M | 0.00% | +23,870+44.4% | Added |
| Ameriprise Financial Inc | 79,500 | $1.44M | 0.00% | +35,200+79.5% | Added |
| UBS Group AG | 79,656 | $1.44M | 0.00% | +7,056+9.7% | Added |
| Stilwell Value LLC | 80,000 | $1.44M | 0.73% | 00.0% | Unchanged |
| Oppenheimer & Close, LLC | 82,999 | $1.50M | 1.23% | 00.0% | Unchanged |
| Colony Group, LLC | 89,000 | $1.61M | 0.00% | +89,000 | New |
| Nuveen Asset Management, LLC | 99,384 | $1.79M | 0.00% | +25,690+34.9% | Added |
| Bank of New York Mellon Corp | 101,629 | $1.84M | 0.00% | +7,408+7.9% | Added |
| Mangrove Partners | 103,743 | $1.87M | 0.22% | −11,527−10.0% | Reduced |
| Two Sigma Investments, LP | 112,105 | $2.02M | 0.00% | −14,673−11.6% | Reduced |
| Victory Capital Management Inc | 118,119 | $2.13M | 0.00% | +22,366+23.4% | Added |
| Panagora Asset Management Inc | 145,183 | $2.62M | 0.01% | −6,648−4.4% | Reduced |
| Endeavour Capital Advisors Inc | 157,425 | $2.84M | 0.91% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 165,500 | $2.99M | 0.00% | +89,300+117.2% | Added |
| Great Oak Capital Partners, LLC | 185,686 | $3.15M | 1.05% | −9,000−4.6% | Reduced |
| Alliancebernstein L.P. | 182,250 | $3.29M | 0.00% | −206,275−53.1% | Reduced |
| Deutsche Bank AG | 184,409 | $3.33M | 0.00% | +13,124+7.7% | Added |
| Stieven Capital Advisors, L.P. | 197,043 | $3.56M | 0.63% | −52,499−21.0% | Reduced |
| Hennessy Advisors Inc | 205,000 | $3.70M | 0.11% | +40,000+24.2% | Added |
| Millennium Management LLC | 224,170 | $4.05M | 0.00% | +132,130+143.6% | Added |
| Prospector Partners LLC | 242,272 | $4.38M | 0.50% | 00.0% | Unchanged |