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JANE STREET GROUP, LLC

Position in NBBK — NB Bancorp, Inc.

CIK 1595888 NEW YORK, NY

Position in NBBK

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$1,278,295
-$339,828 QoQ
Shares Held
60,669
-25.7% QoQ
Ownership
0.136%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2024
9 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in NBBK Over Time

Shares Held

Position Value (USD)

Derivatives in NBBK

reported options exposure · as of Dec 31, 2025
CallValue
$208,110
CallShares
10,500
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Banks - Regional

Financial Services · as of Mar 31, 2026

JANE STREET GROUP, LLC holds $1,328,845,201 across 185 Banks - Regional names. NBBK ranks #101 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in NBBK

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11 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,278,295 60,669
2025-12-31 $208,110 10,500
2025-12-31 $1,618,123 81,641
2025-09-30 $956,470 54,191
2025-06-30 $476,576 26,684
2025-03-31 $986,856 54,613
2024-12-31 $639,324 35,400
2024-09-30 $1,180,266 63,592
2024-09-30 $657,024 35,400
2024-06-30 $205,826 13,649
2024-03-31 $138,989 10,175