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, Q3 2024
Institutional positions in NB Bancorp, Inc. as of Sep 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
- 108
- +17 vs. Q2 2024
- Shares held
- 18.9M
- +5.27M (+38.6%) vs. Q2 2024
- Total value
- $355.7M
- +$149.4M (+72.4%) vs. Q2 2024
- New holders
- 29
- 36 more added
- Sold out
- 12
- 23 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding NB Bancorp, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 21 | $0 | 0.00% | +21 | New |
| Lindbrook Capital, LLC | 13 | $241 | 0.00% | +13 | New |
| Rothschild Investment LLC | 30 | $557 | 0.00% | +20+200.0% | Added |
| Russell Investments Group, Ltd. | 34 | $631 | 0.00% | +34 | New |
| American Capital Advisory, LLC | 50 | $928 | 0.00% | +50 | New |
| Sterling Capital Management LLC | 136 | $2.52K | 0.00% | +136 | New |
| Quadrant Capital Group LLC | 141 | $2.62K | 0.00% | +141 | New |
| GAMMA Investing LLC | 270 | $5.01K | 0.00% | +270 | New |
| CWM, LLC | 344 | $6.00K | 0.00% | +344 | New |
| Eastern Bank | 405 | $7.52K | 0.00% | +405 | New |
| Signaturefd, LLC | 519 | $9.63K | 0.00% | +519 | New |
| Larson Financial Group LLC | 601 | $11.2K | 0.00% | +601 | New |
| Simplex Trading, LLC | 920 | $17.0K | 0.00% | +88+10.6% | Added |
| Advisor Group Holdings, Inc. | 968 | $18.0K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 1,000 | $18.6K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 1,302 | $24.2K | 0.00% | −5,731−81.5% | Reduced |
| Amalgamated Bank | 1,347 | $25.0K | 0.00% | 00.0% | Unchanged |
| Resources Management Corp | 1,500 | $28.0K | 0.00% | +1,500 | New |
| Rakuten Investment Management, Inc. | 1,719 | $31.5K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 1,781 | $33.1K | 0.01% | +1,781 | New |
| Fairfield Financial Advisors, LTD | 2,000 | $37.1K | 0.01% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 2,289 | $42.5K | 0.00% | +2,289 | New |
| Tower Research Capital LLC (TRC) | 2,360 | $43.8K | 0.00% | −2,510−51.5% | Reduced |
| Ameritas Investment Partners, Inc. | 3,814 | $70.8K | 0.00% | 00.0% | Unchanged |
| Barry Investment Advisors, LLC | 10,000 | $185.6K | 0.06% | −10,000−50.0% | Reduced |
| New York State Common Retirement Fund | 10,000 | $185.6K | 0.00% | −5,800−36.7% | Reduced |
| Barrett & Company, Inc. | 10,000 | $185.6K | 0.08% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 10,400 | $193.0K | 0.00% | +10,400 | New |
| Gray Private Wealth, LLC | 10,588 | $196.5K | 0.12% | 00.0% | Unchanged |
| State of Wyoming | 10,820 | $200.8K | 0.03% | +8,623+392.5% | Added |
| Arizona State Retirement System | 11,066 | $205.4K | 0.00% | +11,066 | New |
| Raffles Associates LP | 11,154 | $207.0K | 0.21% | −211,865−95.0% | Reduced |
| Centiva Capital, LP | 11,461 | $212.7K | 0.01% | +11,461 | New |
| Farther Finance Advisors, LLC | 12,000 | $222.7K | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 12,442 | $230.9K | 0.00% | −1,547−11.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,676 | $235.3K | 0.00% | +12,676 | New |
| Commonwealth Equity Services, LLC | 12,750 | $237.0K | 0.00% | −1,051−7.6% | Reduced |
| Price T Rowe Associates Inc | 12,735 | $237.0K | 0.00% | +329+2.7% | Added |
| Voya Investment Management LLC | 13,317 | $247.2K | 0.00% | −190−1.4% | Reduced |
| Jump Financial, LLC | 13,931 | $258.6K | 0.01% | −13,179−48.6% | Reduced |
| American Century Companies Inc | 14,182 | $263.2K | 0.00% | +14,182 | New |
| SEI Investments Co | 14,203 | $263.6K | 0.00% | +14,203 | New |
| Royal Bank of Canada | 16,276 | $302.0K | 0.00% | +2,202+15.6% | Added |
| Wells Fargo & Company | 17,875 | $331.8K | 0.00% | +768+4.5% | Added |
| Invesco Ltd. | 18,035 | $334.7K | 0.00% | −14,724−44.9% | Reduced |
| Kestra Private Wealth Services, LLC | 19,627 | $364.3K | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 20,000 | $371.2K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 20,818 | $386.4K | 0.00% | −128−0.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 21,363 | $396.5K | 0.00% | +21,363 | New |
| Modera Wealth Management, LLC | 22,011 | $408.5K | 0.01% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 22,319 | $414.2K | 0.08% | −6,324−22.1% | Reduced |
| MetLife Investment Management | 22,958 | $426.1K | 0.00% | +12,936+129.1% | Added |
| Susquehanna International Group, LLP | 24,210 | $449.3K | 0.00% | −10,157−29.6% | Reduced |
| Janus Henderson Group PLC | 26,182 | $485.8K | 0.00% | +14,284+120.1% | Added |
| SG Americas Securities, LLC | 26,291 | $488.0K | 0.00% | +8,589+48.5% | Added |
| PDT Partners, LLC | 30,753 | $570.8K | 0.05% | +13,480+78.0% | Added |
| California State Teachers Retirement System | 36,362 | $674.9K | 0.00% | +33,541+1,189.0% | Added |
| Ameriprise Financial Inc | 44,300 | $822.2K | 0.00% | +44,300 | New |
| Deerfield Management Company, L.P. (Series C) | 46,371 | $860.6K | 0.01% | +46,371 | New |
| SummerHaven Investment Management, LLC | 49,226 | $913.6K | 0.56% | +49,226 | New |
| Twin Focus Capital Partners, LLC | 51,164 | $949.6K | 0.15% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 51,290 | $951.9K | 0.00% | +51,290 | New |
| Tudor Investment Corp Et Al | 52,604 | $976.3K | 0.01% | +52,604 | New |
| Rhumbline Advisers | 53,807 | $998.7K | 0.00% | −362−0.7% | Reduced |
| Farley Capital L.P. | 54,586 | $1.01M | 0.89% | −25,414−31.8% | Reduced |
| Legal & General Group Plc | 55,318 | $1.03M | 0.00% | +51,957+1,545.9% | Added |
| Rafferty Asset Management, LLC | 55,828 | $1.04M | 0.00% | −26,537−32.2% | Reduced |
| Citigroup Inc | 57,244 | $1.06M | 0.00% | +332+0.6% | Added |
| Jane Street Group, LLC | 63,592 | $1.18M | 0.00% | +49,943+365.9% | Added |
| Lynch & Associates | 68,398 | $1.27M | 0.27% | 00.0% | Unchanged |
| UBS Group AG | 72,600 | $1.35M | 0.00% | −5,144−6.6% | Reduced |
| Nuveen Asset Management, LLC | 73,694 | $1.37M | 0.00% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 74,241 | $1.38M | 0.02% | +170+0.2% | Added |
| Swiss National Bank | 75,000 | $1.39M | 0.00% | +75,000 | New |
| Renaissance Technologies LLC | 76,200 | $1.41M | 0.00% | +5,500+7.8% | Added |
| BNP Paribas Arbitrage, SA | 76,319 | $1.42M | 0.00% | +33,477+78.1% | Added |
| Stilwell Value LLC | 80,000 | $1.48M | 0.74% | 00.0% | Unchanged |
| Barclays PLC | 81,114 | $1.51M | 0.00% | +34,235+73.0% | Added |
| Oppenheimer & Close, LLC | 82,999 | $1.54M | 1.23% | 00.0% | Unchanged |
| Millennium Management LLC | 92,040 | $1.71M | 0.00% | +44,818+94.9% | Added |
| Bank of New York Mellon Corp | 94,221 | $1.75M | 0.00% | −26,467−21.9% | Reduced |
| EJF Capital LLC | 94,730 | $1.76M | 1.17% | −175,266−64.9% | Reduced |
| Victory Capital Management Inc | 95,753 | $1.78M | 0.00% | −21,650−18.4% | Reduced |
| Mangrove Partners | 115,270 | $2.14M | 0.21% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 126,778 | $2.35M | 0.01% | +71,245+128.3% | Added |
| Panagora Asset Management Inc | 151,831 | $2.82M | 0.01% | +46,797+44.6% | Added |
| Endeavour Capital Advisors Inc | 157,425 | $2.92M | 0.92% | −24,344−13.4% | Reduced |
| Hennessy Advisors Inc | 165,000 | $3.06M | 0.10% | +10,000+6.5% | Added |
| Deutsche Bank AG | 171,285 | $3.18M | 0.00% | +4,589+2.8% | Added |
| Great Oak Capital Partners, LLC | 194,686 | $3.49M | 1.21% | +5,000+2.6% | Added |
| JPMorgan Chase & Co | 199,804 | $3.71M | 0.00% | +108,774+119.5% | Added |
| FMR LLC | 230,445 | $4.28M | 0.00% | +229,118+17,265.9% | Added |
| Prospector Partners LLC | 242,272 | $4.50M | 0.48% | 00.0% | Unchanged |
| Stieven Capital Advisors, L.P. | 249,542 | $4.63M | 0.88% | −114,089−31.4% | Reduced |
| Charles Schwab Investment Management Inc | 315,298 | $5.85M | 0.00% | +3,611+1.2% | Added |
| Hotchkis & Wiley Capital Management LLC | 330,210 | $6.13M | 0.02% | +330,210 | New |
| Northern Trust Corp | 342,554 | $6.36M | 0.00% | +252,741+281.4% | Added |
| International Assets Investment Management, LLC | 128,064 | $6.90M | 0.03% | +121,164+1,756.0% | Added |
| Alliancebernstein L.P. | 388,525 | $7.21M | 0.00% | −263,500−40.4% | Reduced |
| Bank of America Corp | 517,867 | $9.61M | 0.00% | +318,984+160.4% | Added |