NB Bancorp, Inc. Common Stock (NBBK) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for NBBK. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 154 institutions reported holding NBBK, with 22.1 million shares worth $467.8 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 3,331,544 | $70M | INCREASED |
| Vanguard | 2,378,707 | $50M | DECREASED |
| Altravue Capital | 1,655,108 | $35M | INCREASED |
| Pertento Partners | 1,475,770 | $31M | DECREASED |
| State Street | 1,471,766 | $31M | INCREASED |
Full institutional holdings, insider history, and congressional trades for NB Bancorp, Inc. Common Stock on SentiSense.