13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated
BCAL

CALIFORNIA BANCORP COMMON STOC

155 institutions still hold CALIFORNIA BANCORP COMMON STOC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 84252a106·155 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 1.3%
vs prior quarter
13F value held
$332M
63.0% inst. owned
of float
Holders
155
-80 QoQ
filers reporting
Activity
+87 / −52
+753 added · −751 reduced
this quarter
Concentration
14.33%
WELLINGTON MANAGEMENT GROUP LLP #1
top holder share
AI Holders Summary · Q1 2026

155 institutions reported BCAL in Q1 2026. WELLINGTON MANAGEMENT GROUP LLP leads at 14.3% of the visible book. -80 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$48M2.7M0.01%Q1 202602
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$40M2.1M0.01%Q1 202603
Castle Creek Capital Partners VI, LP
CIK 0001666749
$39M2.3M69.89%Q3 202504
ENDEAVOUR CAPITAL ADVISORS INC
CIK 0001218749
$32M1.8M7.31%Q1 202605
BlackRock, Inc.
CIK 0002012383
$26M1.5M0.00%Q1 202606
FJ Capital Management LLC
CIK 0001599170
$24M1.3M2.62%Q4 202507
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$19M1.0M0.00%Q1 202608
BANC FUNDS CO LLC
CIK 0001029311
$15M831K2.74%Q1 202609
MANUFACTURERS LIFE INSURANCE COMPANY, THE
CIK 0000928047
$14M795K0.01%Q1 202610
STATE STREET CORP
CIK 0000093751
$14M770K0.00%Q1 202611
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$10M556K0.00%Q1 202612
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$8M470K0.00%Q1 202613
KENNEDY CAPITAL MANAGEMENT LLC
CIK 0000884589
$8M431K0.16%Q1 202614
MENDON CAPITAL ADVISORS CORP
CIK 0001177043
$7M404K2.78%Q1 202615
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$7M368K0.00%Q1 202616
Curi Capital, LLC
CIK 0001332905
$6M347K0.11%Q1 202617
MORGAN STANLEY
CIK 0000895421
$5M270K0.00%Q1 202618
Elizabeth Park Capital Advisors, Ltd.
CIK 0001600583
$5M255K3.47%Q1 202619
MARSHALL WACE, LLP
CIK 0001318757
$4M219K0.00%Q4 202520
Siena Capital Partners GP, LLC
CIK 0001694886
$4M209K0.96%Q1 2026
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