Waterstone Financial, Inc. (WSBF) shareholders
Close on Nov 13, 2026Market cap $360.26MP/E 11.7Yield 2.99%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Delaware Charter Guarantee & Trust Company dba Principal Trust Company as Directed Trustee for the 2010 AMENDED AND RESTATED WATERSTONE BANK SSB EMPLOYEE STOCK OWNERSHIP PLAN and the WATERSTONE BANK S | 2,275,957 | 11.20% | 13G (passive) amendment | Dec 31, 2023 |
| Dimensional Fund Advisors LP | 1,652,359 | 8.00% | 13G (passive) amendment | Dec 29, 2023 |
| BlackRock, Inc. | 1,306,996 | 7.10% | 13G (passive) amendment | Dec 31, 2025 |
| Renaissance Technologies LLC Joint filing with Renaissance Technologies Holdings Corporation (6.27%) | 1,273,136 | 6.27% | 13G (passive) amendment | Dec 29, 2023 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of WSBF | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 1,641,766 | 9.13% | $34.03M | +135,777 | 0.00% |
| Dimensional Fund Advisors LP | 1,417,945 | 7.89% | $29.39M | +4,443 | 0.01% |
| Renaissance Technologies LLC | 1,051,571 | 5.85% | $21.80M | −42,900 | 0.03% |
| Vanguard Capital Management LLC | 641,005 | 3.57% | $13.29M | −59,232 | 0.00% |
| State Street Corp | 398,372 | 2.22% | $8.26M | +3,857 | 0.00% |
| Geode Capital Management, LLC | 388,478 | 2.16% | $8.05M | +21,798 | 0.00% |
| American Century Companies Inc | 341,972 | 1.90% | $7.09M | +91,887 | 0.00% |
| Aqr Capital Management LLC | 259,089 | 1.44% | $5.37M | +34,295 | 0.00% |
| CSM Advisors, LLC | 221,070 | 1.23% | $4.58M | +30,945 | 0.10% |
| Bridgeway Capital Management, LLC | 211,375 | 1.18% | $4.38M | +6,259 | 0.08% |
| Morgan Stanley | 197,809 | 1.10% | $4.10M | +44,178 | 0.00% |
| Goldman Sachs Group Inc | 196,657 | 1.09% | $4.08M | −57,807 | 0.00% |
| Quantinno Capital Management LP | 169,424 | 0.94% | $3.51M | +28,013 | 0.00% |
| Arrowstreet Capital, Limited Partnership | 167,095 | 0.93% | $3.46M | – | 0.00% |
| Donald Smith & Co., Inc. | 164,590 | 0.92% | $3.41M | −11,500 | 0.06% |
| Northern Trust Corp | 143,761 | 0.80% | $2.98M | +3,682 | 0.00% |
| Charles Schwab Investment Management Inc | 129,105 | 0.72% | $2.68M | +2,313 | 0.00% |
| Qube Research & Technologies Ltd | 119,139 | 0.66% | $2.47M | +91,303 | 0.00% |
| Empowered Funds, LLC | 115,282 | 0.64% | $2.39M | −7,098 | 0.01% |
| O'Shaughnessy Asset Management, LLC | 113,777 | 0.63% | $2.36M | +76,937 | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 126 | 10M | 54.4% | 16 / 52 | 30 / 11 | 1M | 1M |
| Q1 2026 | 123 | 9M | 52.4% | 23 / 40 | 36 / 9 | 1M | 0M |
| Q4 2025 | 112 | 9M | 51.4% | 18 / 35 | 46 / 5 | 1M | 0M |
| Q3 2025 | 102 | 9M | 51.2% | 14 / 39 | 30 / 7 | 1M | 1M |
| Q2 2025 | 96 | 9M | 51.9% | 14 / 42 | 22 / 11 | 1M | 1M |
| Q1 2025 | 95 | 10M | 54.1% | 12 / 30 | 34 / 8 | 1M | 1M |
| Q4 2024 | 92 | 10M | 54.3% | 11 / 27 | 35 / 7 | 0M | 0M |
| Q3 2024 | 88 | 10M | 55.7% | 11 / 31 | 24 / 4 | 2M | 0M |
| Q2 2024 | 82 | 10M | 55.3% | 10 / 24 | 32 / 13 | 0M | 1M |
| Q1 2024 | 85 | 11M | 58.9% | 9 / 22 | 38 / 12 | 1M | 1M |
| Q4 2023 | 88 | 11M | 58.7% | 14 / 35 | 28 / 18 | 1M | 1M |
| Q3 2023 | 92 | 10M | 58.0% | 10 / 29 | 33 / 10 | 0M | 1M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
145 funds held WSBF in Q2 2026, 51% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of WSBF | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 458,455 | 2.55% | $9.50M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 420,427 | 2.34% | $8.72M | 0.01% | Jun 30, 2026 |
| U.S. Small Cap Value Portfolio | 270,141 | 1.50% | $5.54M | 0.03% | Jul 31, 2026 |
| Avantis U.S. Small Cap Value ETF | 264,845 | 1.47% | $4.90M | 0.02% | May 31, 2026 |
| U.S. Targeted Value Portfolio | 193,859 | 1.08% | $3.98M | 0.02% | Jul 31, 2026 |
| U.S. Small Cap Portfolio | 177,610 | 0.99% | $3.64M | 0.02% | Jul 31, 2026 |
| Fidelity Small Cap Index Fund | 167,786 | 0.93% | $3.44M | 0.01% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 165,769 | 0.92% | $3.44M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 Value ETF | 160,755 | 0.89% | $3.33M | 0.02% | Jun 30, 2026 |
| U.S. Micro Cap Portfolio | 130,732 | 0.73% | $2.68M | 0.03% | Jul 31, 2026 |
| Dimensional U.S. Targeted Value ETF | 121,102 | 0.67% | $2.49M | 0.02% | Jul 31, 2026 |
| EA Bridgeway Omni Small-Cap Value ETF | 115,282 | 0.64% | $2.39M | 0.10% | Jun 30, 2026 |
| Dimensional US Small Cap Value ETF | 103,409 | 0.58% | $2.12M | 0.03% | Jul 31, 2026 |
| Vanguard Russell 2000 Index Fund | 78,027 | 0.43% | $1.44M | 0.01% | May 31, 2026 |
| Fidelity Extended Market Index Fund | 72,975 | 0.41% | $1.35M | 0.00% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Ryan J. Gordon | EVP/Chief Credit Officer | 62,357 | 0.35% | Aug 17, 2026 |
| Mark Raymond Gerke | EVP/Chief Financial Officer | 74,460 | 0.41% | May 22, 2026 |
| Julie Ann Glynn | EVP/Chief Retail Officer | 19,644 | 0.11% | Feb 4, 2026 |
| Douglas S. Gordon | Director | 632,771 | 3.52% | Feb 20, 2026 |
| Patrick S. Lawton | Director | 10,000 | 0.06% | Feb 5, 2026 |
| Michael L. Hansen | Director | 0 | – | Oct 28, 2025 |
| Molly A. Mulroy | Director | 8,798 | 0.05% | Oct 2, 2025 |
| Laura Ellen Piotrowski | Director | 8,798 | 0.05% | Oct 2, 2025 |
| Kristine A. Rappe | Director | 27,318 | 0.15% | Feb 14, 2025 |
| Stephen J. Schmidt | Director | 70,078 | 0.39% | Feb 12, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Ryan J. Gordon EVP/Chief Credit Officer | Aug 13, 2026 | Option exercise | +10,000 | $17.20 | $172.00K | 19,768 |
| Ryan J. Gordon EVP/Chief Credit Officer | Aug 13, 2026 | Sale | −620 | $21.10 | $13.08K | 19,148 |
| Ryan J. Gordon EVP/Chief Credit Officer | Aug 13, 2026 | Sale | −6,237 | $21.15 | $131.91K | 11,611 |
| Ryan J. Gordon EVP/Chief Credit Officer | Aug 13, 2026 | Sale | −1,300 | $21.11 | $27.44K | 17,848 |
| Mark Raymond Gerke EVP/Chief Financial Officer | May 21, 2026 | Sale | −10,000 | $18.34 | $183.40K | 30,034 |
| Mark Raymond Gerke EVP/Chief Financial Officer | May 21, 2026 | Option exercise | +10,000 | $14.98 | $149.80K | 40,034 |
| Douglas S. Gordon Director | Feb 18, 2026 | Sale | −2,880 | $18.11 | $52.16K | 556,773 |
| Douglas S. Gordon Director | Feb 6, 2026 | Sale | −6,765 | $18.27 | $123.60K | 559,653 |
| Douglas S. Gordon Director | Feb 5, 2026 | Sale | −18,716 | $18.25 | $341.57K | 566,418 |
| Douglas S. Gordon Director | Feb 4, 2026 | Sale | −15,000 | $18.55 | $278.25K | 585,134 |
| Patrick S. Lawton Director | Feb 4, 2026 | Sale | −19,255 | $18.64 | $358.91K | 0 |
| Patrick S. Lawton Director | Feb 3, 2026 | Sale | −30,000 | $18.53 | $555.90K | 19,255 |
| Julie Ann Glynn EVP/Chief Retail Officer | Feb 2, 2026 | Sale | −929 | $18.69 | $17.36K | 9,071 |
| Julie Ann Glynn EVP/Chief Retail Officer | Feb 2, 2026 | Sale | −20,000 | $18.17 | $363.40K | 10,000 |
| Julie Ann Glynn EVP/Chief Retail Officer | Feb 2, 2026 | Option exercise | +20,000 | $17.35 | $347.00K | 30,000 |
| Michael L. Hansen Director | Oct 27, 2025 | Sale | −79,872 | $15.16 | $1.21M | 0 |
| Michael L. Hansen Director | Oct 27, 2025 | Sale | −1,541 | $15.16 | $23.36K | 0 |
| Michael L. Hansen Director | Aug 13, 2025 | Sale | −109,527 | $14.05 | $1.54M | 1,541 |
| Michael L. Hansen Director | Aug 12, 2025 | Sale | −35,290 | $13.92 | $491.24K | 111,068 |
| Michael L. Hansen Director | Aug 11, 2025 | Sale | −2,757 | $13.80 | $38.05K | 146,358 |
| Michael L. Hansen Director | Jul 25, 2025 | Sale | −100 | $13.82 | $1.38K | 149,115 |
| Michael L. Hansen Director | Jul 25, 2025 | Sale | −761 | $13.81 | $10.51K | 149,215 |
| Michael L. Hansen Director | Jul 25, 2025 | Sale | −100 | $13.81 | $1.38K | 149,976 |
| Michael L. Hansen Director | Jul 24, 2025 | Sale | −36,465 | $13.83 | $504.31K | 150,076 |
| Patrick S. Lawton Director | Feb 28, 2025 | Option exercise | +37,500 | $12.75 | $478.13K | 86,631 |
| Patrick S. Lawton Director | Feb 28, 2025 | Sale | −37,500 | $14.03 | $526.13K | 49,131 |
| Mark Raymond Gerke EVP/Chief Financial Officer | Feb 28, 2025 | Sale | −2,738 | $14.15 | $38.74K | 30,334 |
| Mark Raymond Gerke EVP/Chief Financial Officer | Feb 28, 2025 | Option exercise | +5,000 | $12.75 | $63.75K | 33,072 |
| Kristine A. Rappe Director | Feb 13, 2025 | Sale | −22,185 | $14.25 | $316.14K | 27,318 |
| Kristine A. Rappe Director | Feb 13, 2025 | Option exercise | +22,185 | $12.75 | $282.86K | 49,503 |
| Stephen J. Schmidt Director | Feb 11, 2025 | Sale | −6,211 | $13.79 | $85.65K | 70,078 |
| Stephen J. Schmidt Director | Feb 11, 2025 | Option exercise | +6,211 | $12.75 | $79.19K | 76,289 |
| Stephen J. Schmidt Director | Feb 6, 2025 | Option exercise | +3,097 | $12.75 | $39.49K | 73,175 |
| Stephen J. Schmidt Director | Feb 6, 2025 | Sale | −3,097 | $13.75 | $42.58K | 70,078 |
| Stephen J. Schmidt Director | Feb 5, 2025 | Option exercise | +10,885 | $12.75 | $138.78K | 80,963 |
| Stephen J. Schmidt Director | Feb 5, 2025 | Sale | −10,885 | $13.76 | $149.78K | 70,078 |
| Kristine A. Rappe Director | Feb 5, 2025 | Option exercise | +10,270 | $12.75 | $130.94K | 37,588 |
| Kristine A. Rappe Director | Feb 5, 2025 | Sale | −10,270 | $13.75 | $141.21K | 27,318 |
| Stephen J. Schmidt Director | Feb 4, 2025 | Sale | −2,195 | $13.76 | $30.20K | 70,078 |
| Stephen J. Schmidt Director | Feb 4, 2025 | Option exercise | +2,195 | $12.75 | $27.99K | 72,273 |
| Kristine A. Rappe Director | Feb 4, 2025 | Sale | −4,760 | $13.77 | $65.55K | 27,318 |
| Kristine A. Rappe Director | Feb 4, 2025 | Option exercise | +4,760 | $12.75 | $60.69K | 32,078 |
| Kristine A. Rappe Director | Jan 31, 2025 | Option exercise | +19,879 | $12.75 | $253.46K | 47,197 |
| Kristine A. Rappe Director | Jan 31, 2025 | Sale | −19,879 | $13.76 | $273.54K | 27,318 |
| Stephen J. Schmidt Director | Jan 31, 2025 | Sale | −14,928 | $13.80 | $206.01K | 70,078 |
| Stephen J. Schmidt Director | Jan 31, 2025 | Option exercise | +14,928 | $12.75 | $190.33K | 85,006 |
| Kristine A. Rappe Director | Jan 30, 2025 | Sale | −13,931 | $13.89 | $193.50K | 27,318 |
| Kristine A. Rappe Director | Jan 30, 2025 | Option exercise | +13,931 | $12.75 | $177.62K | 41,249 |
| Stephen J. Schmidt Director | Jan 30, 2025 | Option exercise | +12,291 | $12.75 | $156.71K | 82,369 |
| Stephen J. Schmidt Director | Jan 30, 2025 | Sale | −12,291 | $13.94 | $171.34K | 70,078 |
| Stephen J. Schmidt Director | Dec 11, 2024 | Sale | −23 | $15.16 | $349 | 70,078 |
| Stephen J. Schmidt Director | Dec 11, 2024 | Sale | −181 | $15.10 | $2.73K | 70,375 |
| Stephen J. Schmidt Director | Dec 11, 2024 | Option exercise | +478 | $12.75 | $6.09K | 70,556 |
| Stephen J. Schmidt Director | Dec 11, 2024 | Sale | −8 | $15.11 | $121 | 70,367 |
| Stephen J. Schmidt Director | Dec 11, 2024 | Sale | −65 | $15.15 | $985 | 70,101 |
| Stephen J. Schmidt Director | Dec 11, 2024 | Sale | −101 | $15.12 | $1.53K | 70,266 |
| Stephen J. Schmidt Director | Dec 11, 2024 | Sale | −100 | $15.13 | $1.51K | 70,166 |
| Stephen J. Schmidt Director | Nov 27, 2024 | Sale | −121 | $15.29 | $1.85K | 70,078 |
| Stephen J. Schmidt Director | Nov 27, 2024 | Sale | −134 | $15.28 | $2.05K | 70,199 |
| Stephen J. Schmidt Director | Nov 27, 2024 | Sale | −4 | $15.25 | $61 | 70,333 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Waterstone Financial's stock actually held short. Settlement fails (shares not delivered on time) peaked at 283 shares on Oct 7, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Ryan J. Gordon Officer | Aug 14, 2026 | 8,157 | $172.36K | Aug 13, 2026 | Stock Option Exercise |
| Mark Raymond Gerke Officer | May 21, 2026 | 10,000 | $185.00K | May 21, 2026 | Stock Option Exercise |
| Douglas S. Gordon Director | Feb 4, 2026 | 71,555 | $1.32M | Feb 4, 2026 | Stock Award |
| Julie Ann Glynn Officer | Feb 3, 2026 | 20,929 | $380.77K | Feb 2, 2026 | Stock Option Exercise |
| Patrick S. Lawton Director | Feb 2, 2026 | 49,255 | $886.95K | Feb 3, 2026 | Option Exercise |
| Michael L. Hansen Director | Oct 23, 2025 | 81,413 | $1.21M | Oct 27, 2025 | Open Market Purchase |
| Michael L. Hansen Director | Jul 22, 2025 | 266,413 | $3.61M | Jul 24, 2025 | Open Market Purchase |
| Kristine A. Rappe Director | Jun 11, 2025 | 14,000 | $189.00K | Jun 11, 2025 | RSA Vesting |
| Kristine A. Rappe Director | May 29, 2025 | 14,305 | $182.10K | May 29, 2025 | Open Market |
| Patrick S. Lawton Director | Feb 28, 2025 | 37,500 | $525.00K | Feb 28, 2025 | Stock Option Exercise |
| Mark Raymond Gerke Officer | Feb 28, 2025 | 3,000 | $52.00K | Feb 28, 2025 | Stock Option Exercise |
| Stephen J. Schmidt Director | Feb 6, 2025 | 9,308 | $127.99K | Feb 6, 2025 | Stock Option Exercise |
| Kris Rappe Director | Feb 5, 2025 | 32,455 | $446.26K | Feb 5, 2025 | Stock Option Exercise |
| Stephen J. Schmidt Director | Nov 7, 2024 | 100,000 | $1.60M | Nov 7, 2024 | Stock Option Exercise |
| Kristine A. Rappe Director | Nov 6, 2024 | 100,000 | $1.65M | Nov 6, 2024 | Stock Option Exercise |
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