NB BANCORP INC (NBBK) Institutional Ownership and Insiders Activity

NB BANCORP INC (NBBK) is widely held by institutional investors, with 162 firms reporting positions valued at approximately $462.94M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $70.40M in NBBK holdings in its latest filing.

Recent insider activity includes 3 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.