13F Insight
DOSSIER · 13F Holders · Q1 2026CyclicalNet sold
BLFY

Blue Foundry Bancorp COM

110 institutions still hold Blue Foundry Bancorp COM as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 09549b104·110 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 7.7%
vs prior quarter
13F value held
$110M
56.0% inst. owned
of float
Holders
110
0 QoQ
filers reporting
Activity
+24 / −57
+824 added · −845 reduced
this quarter
Concentration
15.23%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

110 institutions reported BLFY in Q1 2026. BlackRock, Inc. leads at 15.2% of the visible book. +0 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$17M1.3M0.00%Q1 202602
GARDNER LEWIS ASSET MANAGEMENT L P
CIK 0000941560
$13M1.0M2.92%Q1 202603
First Trust Capital Management L.P.
CIK 0001604488
$13M1.0M0.70%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$10M766K0.00%Q1 202605
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$9M685K0.00%Q1 202606
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$6M421K0.00%Q1 202607
STATE STREET CORP
CIK 0000093751
$5M411K0.00%Q1 202608
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$5M359K0.00%Q1 202609
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$4M338K0.01%Q1 202610
PRELUDE CAPITAL MANAGEMENT, LLC
CIK 0001387508
$4M334K0.34%Q1 202611
Essex Financial Services, Inc.
CIK 0001315785
$4M321K0.24%Q1 202612
ABC ARBITRAGE SA
CIK 0002049221
$3M201K0.35%Q1 202613
MANGROVE PARTNERS IM, LLC
CIK 0001535392
$3M199K0.21%Q1 202614
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$3M192K0.00%Q1 202615
Russell Investments Group, Ltd.
CIK 0001692234
$2M155K0.00%Q1 202616
Squarepoint Ops LLC
CIK 0001642575
$2M153K0.00%Q1 202617
NORTHERN TRUST CORP
CIK 0000073124· Index
$2M147K0.00%Q1 202618
GOLDMAN SACHS GROUP INC
CIK 0000886982
$2M124K0.00%Q1 202619
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$1M113K0.00%Q1 202620
Chicago Capital Management, LLC
CIK 0001580162
$1M146K1.20%Q1 2026
Page 1 of 6
90 more holders available. Log in →