Institutional Ownership
Nb Bancorp Inc
CUSIP 63945M107COMNBBKQ1 2026
13D / 13G Filings
15
Schedule 13D/13G on record
Beneficial Filers
7
Distinct reporting persons
Largest Stake
8.6%
Max % of class reported
Institutional Holders
168
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
15 filings · latest Feb 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 13, 2026 | Needham Bank Employee Stock Ownership Plan Trust | 13G | 7.5% | 3.42M | SEC |
| 2 | Jan 30, 2026 | The Vanguard Group | 13G | 5.0% | 2.30M | SEC |
| 3 | Dec 5, 2025 | Pertento Partners LLP | 13G/A | 5.1% | — | SEC |
| 4 | Oct 17, 2025 | Blackrock, Inc. | 13G/A | 6.7% | 2.66M | SEC |
| 5 | Jul 29, 2025 | The Vanguard Group | 13G/A | 4.9% | 1.98M | SEC |
| 6 | Jun 11, 2025 | Pertento Partners LLP | 13G | 5.2% | 21.14T | SEC |
| 7 | Apr 30, 2025 | The Vanguard Group | 13G | 5.0% | 2.11M | SEC |
| 8 | Feb 12, 2025 | Pertento Partners LLP | 13G/A | 4.6% | 19.79T | SEC |
| 9 | Jan 30, 2025 | The Vanguard Group | 13G/A | 4.9% | 2.09M | SEC |
| 10 | Nov 14, 2024 | Principal Financial Group Inc | 13G | 8.6% | 4.05M | SEC |
5 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Nb Bancorp Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 3.08M | $64.98M |
| 2 | Pertento Partners LLP | 2.21M | $46.49M |
| 3 | Altravue Capital, LLC | 1.30M | $27.48M |
| 4 | State Street Corp | 1.29M | $27.25M |
| 5 | Geode Capital Management, LLC | 1.10M | $23.16M |
| 6 | Wellington Management Group LLP | 710.0K | $14.96M |
| 7 | Goldman Sachs Group Inc | 691.7K | $14.57M |
| 8 | Dimensional Fund Advisors LP | 522.4K | $11.01M |
| 9 | Nuveen, LLC | 488.0K | $10.28M |
| 10 | Hotchkis & Wiley Capital Management LLC | 450.8K | $9.50M |