DOSSIER · 13F Holders · Q2 2026
WSBF

WATERSTONE FINL INC MD

135 institutions still hold WATERSTONE FINL INC MD as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 94188P101·135 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$170M
visible holders
Holders
135
filers reporting
Concentration
20.05%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

135 institutions reported WSBF in Q2 2026. BlackRock, Inc. leads at 20.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$34M1.6M0.00%Q2 2026
02
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$29M1.4M0.01%Q2 2026
03
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$22M1.1M0.03%Q2 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$13M641K0.00%Q2 2026
05
STATE STREET CORP
CIK 0000093751
$8M398K0.00%Q2 2026
06
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$8M388K0.00%Q2 2026
07
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$7M342K0.00%Q2 2026
08
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$5M259K0.00%Q2 2026
09
Fourthstone LLC
CIK 0001767803
$5M291K0.89%Q1 2026
10
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$4M211K0.08%Q2 2026
11
MORGAN STANLEY
CIK 0000895421
$4M198K0.00%Q2 2026
12
GOLDMAN SACHS GROUP INC
CIK 0000886982
$4M197K0.00%Q2 2026
13
Quantinno Capital Management LP
CIK 0001759654
$4M169K0.00%Q2 2026
14
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$3M167K0.00%Q2 2026
15
CSM Advisors, LLC
CIK 0001863523
$3M190K0.08%Q1 2026
16
DONALD SMITH & CO., INC.
CIK 0000814375
$3M165K0.06%Q2 2026
17
NORTHERN TRUST CORP
CIK 0000073124· Index
$3M144K0.00%Q2 2026
18
Foundry Partners, LLC
CIK 0001573913
$3M204K0.14%Q1 2025
19
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$3M129K0.00%Q2 2026
20
Qube Research & Technologies Ltd
CIK 0001729829
$2M119K0.00%Q2 2026
Page 1 of 7
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Insiders at WATERSTONE FINL INC MD
Gordon Ryan JGerke Mark RaymondGordon Douglas SLawton Patrick SGlynn Julie AnnHansen Michael LRappe Kristine ASchmidt Stephen J