WSBF

Waterstone Financial Inc$21.00 0.14%
FinancialsUSCUSIP 94188P101· EOD Aug 26, 2026◍ Confluence graph
Tracked 13F Holders
118
-91 QoQ
13F Value (tracked)
$173.1M
Insider Net · 180d
-$356K
0↑ 2↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)29 adding · 11 trimming
Insider net (180d)-$356K

Price & smart-money activity

$21.00 0.14%5Y +3.8%
$8.86$12.42$15.98$19.55$23.11202120222023202420252026191347181528151982710151614121814151514410181112128419920017813199221272392192183213633
Hover for who · click for detailEnd-of-day closing prices52w $14.57 – $21.41

Who owns WSBF?

118 tracked 13F filers

118 tracked 13F filers disclose a position in WSBF as of the latest SEC 13F filings, a combined $173.1M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$27.2M
1.5M
−1.7%
Reduced · −27K sh
Q1 2026
2DIMENSIONAL FUND ADVISORS LP
$25.5M
1.4M
−0.1%
Reduced · −2K sh
Q1 2026
3RENAISSANCE TECHNOLOGIES LLC
$19.7M
1.1M
−2.0%
Reduced · −23K sh
Q1 2026
4VANGUARD CAPITAL MANAGEMENT LLC
$12.6M
700K
First observed position
No prior filed position
Q1 2026
5STATE STREET CORP
$8.3M
398K
+1.0%
Added · +4K sh
Q2 2026
6GEODE CAPITAL MANAGEMENT, LLC
$8.1M
388K
+5.9%
Added · +22K sh
Q2 2026
7Fourthstone LLC
$5.3M
291K
+46%
Added · +91K sh
Q1 2026
8GOLDMAN SACHS GROUP INC
$4.6M
254K
+41%
Added · +74K sh
Q1 2026
9AMERICAN CENTURY COMPANIES INC
$4.5M
250K
+26%
Added · +51K sh
Q1 2026
10AQR CAPITAL MANAGEMENT LLC
$4.1M
225K
+11%
Added · +23K sh
Q1 2026
11BRIDGEWAY CAPITAL MANAGEMENT, LLC
$3.7M
205K
+2.8%
Added · +6K sh
Q1 2026
12ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
$3.0M
167K
−11%
Reduced · −21K sh
Q1 2026
13DONALD SMITH & CO., INC.
$3.4M
165K
−6.5%
Reduced · −12K sh
Q2 2026
14MORGAN STANLEY
$2.8M
154K
−14%
Reduced · −25K sh
Q1 2026
15Quantinno Capital Management LP
$2.5M
141K
+9.9%
Added · +13K sh
Q1 2026
16NORTHERN TRUST CORP
$2.5M
140K
+4.8%
Added · +6K sh
Q1 2026
17CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$2.3M
127K
−4.1%
Reduced · −5K sh
Q1 2026
18Empowered Funds, LLC
$2.2M
122K
+11%
Added · +12K sh
Q1 2026
19O'SHAUGHNESSY ASSET MANAGEMENT, LLC
$2.4M
114K
+209%
Added · +77K sh
Q2 2026
20VANGUARD FIDUCIARY TRUST CO
$1.7M
93K
First observed position
No prior filed position
Q1 2026
21VANGUARD PORTFOLIO MANAGEMENT LLC
$1.6M
88K
First observed position
No prior filed position
Q1 2026
22TWO SIGMA INVESTMENTS, LP
$1.5M
86K
+13%
Added · +10K sh
Q1 2026
23FMR LLC
$1.5M
84K
+0.6%
Added · +532 sh
Q1 2026
24Bank of New York Mellon Corp
$1.5M
84K
−1.8%
Reduced · −2K sh
Q1 2026
25RITHOLTZ WEALTH MANAGEMENT
$1.6M
76K
+74%
Added · +32K sh
Q2 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is WSBF being bought or sold by institutions?

Last quarter, 8 funds opened a new position in WSBF and 21 added to an existing one, while 11 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
8
funds
Added
21
funds
Reduced
11
funds
Exited
0
funds

Funds that own WSBF also own

CompanyCo-held byCombined value
NVIDIA CORPNVDA55 funds$209.4B
APPLE INCAAPL55 funds$160.7B
ELI LILLY & COLLY55 funds$41.0B
CHEVRON CORPCVX55 funds$15.3B
MICROSOFT CORPMSFT54 funds$147.8B
AMAZON.COM INCAMZN54 funds$103.0B
BROADCOM INCAVGO54 funds$88.7B
ALPHABET INC-CL AGOOGL54 funds$83.0B
META PLATFORMS INC-CLASS AMETA54 funds$58.1B
TESLA INCTSLA54 funds$36.4B
BERKSHIRE HATHAWAY INC-CL BBRK/B54 funds$19.5B
LAM RESEARCH CORPLRCX54 funds$18.5B

Ranked by how many of WSBF's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$356K
2 insiders
Net
-$356K
4 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Aug 13, 2026Gordon Ryan JEVP/Chief Credit OfficerSell (S)6K$132K
Aug 13, 2026Gordon Ryan JEVP/Chief Credit OfficerSell (S)1K$27K
Aug 13, 2026Gordon Ryan JEVP/Chief Credit OfficerSell (S)620$13K
May 21, 2026Gerke Mark RaymondEVP/Chief Financial OfficerSell (S)10K$183K
Feb 18, 2026Gordon Douglas SDirectorSell (S)3K$52K
Feb 6, 2026Gordon Douglas SDirectorSell (S)7K$124K
Feb 5, 2026Gordon Douglas SDirectorSell (S)19K$342K
Feb 4, 2026Lawton Patrick SDirectorSell (S)19K$359K
Feb 4, 2026Gordon Douglas SDirectorSell (S)15K$278K
Feb 3, 2026Lawton Patrick SDirectorSell (S)30K$556K
Feb 2, 2026Glynn Julie AnnEVP/Chief Retail OfficerSell (S)20K$363K
Feb 2, 2026Glynn Julie AnnEVP/Chief Retail OfficerSell (S)929$17K

Institutional ownership over time

17 funds-46 since Q3 2024
054108Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $1.4M

Recent filings

15 shown

Keep exploring

Connected entities for WSBF

Browse more

Build

Ask your agent what changed in WSBF

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/WSBF/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for WSBF.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for WSBF. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.