Harbor Advisors LLC

SEC CIK: 0001687156
Latest filing: Jul 28, 2026

SEC filings (opens in a new tab)

NBBK holding history

NB Bancorp, Inc. in every 13F filed by Harbor Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

NBBK overview All 13F holders of NBBK Full Q2 2026 holdings

Shares (Q2 2026): 17,500
Value: $369.8K
% of portfolio: <0.1%
Quarters held: 4; Since Q3 2025

Holdings of NBBK by Harbor Advisors LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	17,500	$369.8K	<0.1%	+7,500+75.0%	Added	Holders
Q1 2026	10,000	$210.7K	<0.1%	00.0%	Unchanged	Holders
Q4 2025	10,000	$198.2K	<0.1%	00.0%	Unchanged	Holders
Q3 2025	10,000	$176.5K	<0.1%	+10,000	New	Holders