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Round Rock Advisors LLC

Position in NBBK — NB Bancorp, Inc.

CIK 1846991 WILTON, CT

Position in NBBK

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,405,778
+$5,319 QoQ
Shares Held
66,530
+0.1% QoQ
Ownership
0.152%
of shares outstanding
% of Portfolio
0.38%
of 13F equity value
Holder Rank
#46
of 160 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in NBBK Over Time

Shares Held

Position Value (USD)

Position in Banks - Regional

Financial Services · as of Jun 30, 2026

Round Rock Advisors LLC holds $6,431,920 across 7 Banks - Regional names. NBBK ranks #2 (21.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 NBBK
NB Bancorp, Inc.
This page
66,530 $1,405,778

All Filings in NBBK

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,405,778 66,530
2026-03-31 $1,400,459 66,467
2025-12-31 $1,028,776 51,906
2025-09-30 $599,570 33,970