NB BANCORP INC (NBBK) Institutional Ownership and Insiders Activity

NB BANCORP INC (NBBK) is widely held by institutional investors, with 2 tracked firms reporting positions valued at approximately $5.78M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Renaissance Technologies LLC is the largest disclosed holder, reporting approximately $5.56M in NBBK holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Renaissance Technologies LLC representing the majority of disclosed value.