| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.1% | $21,630,784 | 1,306,996 | BlackRock, Inc. | 31 Dec 2025 | |||
| VANGUARD GROUP INC | 4.9% | $11,982,340 | 942,749 | The Vanguard Group | 31 Dec 2024 |
As of 30 Sep 2025, 98 institutional investors reported holding 9,155,940 shares of Waterstone Financial, Inc. - Common Stock (WSBF). This represents 50% of the company’s total 18,408,394 outstanding shares.
The largest institutional shareholders of Waterstone Financial, Inc. - Common Stock (WSBF) together control 45% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.6% | 1,576,826 | -8.2% | 0% | $24,598,491 |
| DIMENSIONAL FUND ADVISORS LP | 7.8% | 1,427,285 | -0.51% | 0% | $22,265,692 |
| RENAISSANCE TECHNOLOGIES LLC | 6.3% | 1,151,636 | +1.5% | 0.02% | $17,965,522 |
| VANGUARD GROUP INC | 4.9% | 909,118 | -3.7% | 0% | $14,182,241 |
| STATE STREET CORP | 2.3% | 423,293 | -3% | 0% | $6,603,371 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 383,746 | -5.7% | 0% | $5,987,329 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1.3% | 245,758 | -44% | 0.08% | $3,833,825 |
| CSM Advisors, LLC | 1% | 191,010 | -3.2% | 0.08% | $2,978,000 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1% | 190,766 | 0% | 0% | $2,975,950 |
| GOLDMAN SACHS GROUP INC | 0.93% | 171,254 | +39% | 0% | $2,671,562 |
| MORGAN STANLEY | 0.91% | 168,006 | -9.3% | 0% | $2,620,904 |
| AMERICAN CENTURY COMPANIES INC | 0.91% | 166,984 | +4.4% | 0% | $2,604,954 |
| AQR CAPITAL MANAGEMENT LLC | 0.9% | 165,876 | +104% | 0% | $2,587,670 |
| NORTHERN TRUST CORP | 0.77% | 142,422 | -7.5% | 0% | $2,221,783 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.72% | 132,384 | -8.1% | 0% | $2,065,190 |
| Fourthstone LLC | 0.7% | 128,559 | +103% | 0.36% | $2,005,520 |
| Quantinno Capital Management LP | 0.61% | 111,914 | +132% | 0% | $1,745,858 |
| Empowered Funds, LLC | 0.54% | 98,722 | +7.6% | 0.02% | $1,540,063 |
| Bank of New York Mellon Corp | 0.44% | 80,352 | +1.2% | 0% | $1,253,492 |
| TWO SIGMA INVESTMENTS, LP | 0.44% | 80,260 | +25% | 0% | $1,252,056 |
| FMR LLC | 0.37% | 67,949 | +10% | 0% | $1,060,005 |
| CITADEL ADVISORS LLC | 0.35% | 64,879 | -35% | 0% | $1,012,112 |
| TWO SIGMA ADVISERS, LP | 0.33% | 61,382 | +13% | 0% | $957,559 |
| Teton Advisors, LLC | 0.32% | 59,000 | 0% | 0.57% | $920,400 |
| JOHN G ULLMAN & ASSOCIATES INC | 0.31% | 56,498 | +11% | 0.12% | $881,369 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 22,458 | $373,845 | +$315,092 | $16.55 | 9 |
| 2025 Q3 | 9,155,940 | $142,820,743 | -$2,387,614 | $15.60 | 98 |
| 2025 Q2 | 9,316,113 | $128,665,732 | -$2,519,573 | $13.81 | 92 |
| 2025 Q1 | 9,728,285 | $130,848,157 | -$355,864 | $13.45 | 93 |
| 2024 Q4 | 9,756,037 | $131,121,526 | -$2,895,292 | $13.44 | 90 |
| 2024 Q3 | 9,958,062 | $146,353,510 | +$771,649 | $14.70 | 86 |
| 2024 Q2 | 9,913,579 | $126,797,173 | -$2,393,091 | $12.79 | 80 |
| 2024 Q1 | 10,079,155 | $122,660,673 | -$2,929,653 | $12.17 | 82 |
| 2023 Q4 | 10,298,883 | $146,245,377 | -$803,714 | $14.20 | 84 |
| 2023 Q3 | 10,429,492 | $114,201,779 | -$10,773,051 | $10.95 | 90 |
| 2023 Q2 | 11,317,678 | $163,992,341 | -$7,576,845 | $14.49 | 92 |
| 2023 Q1 | 11,777,608 | $178,163,339 | -$3,088,259 | $15.13 | 100 |
| 2022 Q4 | 11,957,560 | $206,141,897 | -$1,698,405 | $17.24 | 105 |
| 2022 Q3 | 12,101,058 | $195,548,091 | -$8,250,771 | $16.16 | 98 |
| 2022 Q2 | 12,582,140 | $214,521,274 | -$16,121,782 | $17.05 | 93 |
| 2022 Q1 | 13,570,385 | $262,450,519 | -$8,228,836 | $19.34 | 109 |
| 2021 Q4 | 13,980,912 | $305,542,570 | -$7,708,578 | $21.86 | 106 |
| 2021 Q3 | 14,167,167 | $290,163,034 | +$202,705 | $20.49 | 107 |
| 2021 Q2 | 14,156,774 | $278,321,556 | -$4,265,460 | $19.66 | 100 |
| 2021 Q1 | 14,357,289 | $293,175,725 | -$1,570,292 | $20.42 | 104 |
| 2020 Q4 | 14,541,059 | $273,665,326 | -$11,645,874 | $18.82 | 103 |
| 2020 Q3 | 15,189,365 | $235,257,655 | -$9,886,275 | $15.49 | 97 |
| 2020 Q2 | 15,841,973 | $234,791,129 | -$767,847 | $14.83 | 108 |
| 2020 Q1 | 15,910,739 | $231,691,312 | -$11,396,134 | $14.54 | 101 |
| 2019 Q4 | 16,459,882 | $312,923,965 | +$465,040 | $19.03 | 108 |
| 2019 Q3 | 16,474,054 | $282,949,647 | +$1,531,092 | $17.18 | 102 |
| 2019 Q2 | 16,383,013 | $279,451,820 | +$3,949,136 | $17.06 | 100 |
| 2019 Q1 | 16,287,159 | $268,379,564 | -$6,094,168 | $16.46 | 95 |
| 2018 Q4 | 16,644,018 | $278,896,406 | -$2,131,225 | $16.76 | 94 |
| 2018 Q3 | 16,766,747 | $287,538,375 | -$8,893,394 | $17.15 | 93 |
| 2018 Q2 | 17,292,200 | $294,875,962 | -$2,839,774 | $17.05 | 103 |
| 2018 Q1 | 17,461,816 | $302,328,783 | +$167,646 | $17.30 | 103 |
| 2017 Q4 | 17,455,190 | $297,876,752 | +$2,100,084 | $17.05 | 111 |
| 2017 Q3 | 17,230,612 | $336,310,643 | +$1,360,822 | $19.50 | 104 |
| 2017 Q2 | 17,172,269 | $323,952,880 | +$10,493,342 | $18.85 | 107 |
| 2017 Q1 | 16,619,468 | $303,560,227 | +$30,438,384 | $18.25 | 108 |
| 2016 Q4 | 16,428,140 | $302,569,636 | +$12,473,283 | $18.40 | 112 |
| 2016 Q3 | 15,802,370 | $268,714,182 | +$29,334,856 | $16.99 | 108 |
| 2016 Q2 | 14,078,947 | $215,822,761 | +$1,443,608 | $15.33 | 93 |
| 2016 Q1 | 13,991,309 | $191,382,000 | -$352,442 | $13.68 | 91 |
| 2015 Q4 | 14,014,743 | $197,609,955 | -$7,204,477 | $14.10 | 92 |
| 2015 Q3 | 14,548,261 | $196,104,865 | -$6,111,267 | $13.48 | 90 |
| 2015 Q2 | 15,020,641 | $198,271,666 | -$14,043,062 | $13.20 | 91 |
| 2015 Q1 | 15,833,959 | $203,306,143 | +$3,305,083 | $12.84 | 80 |
| 2014 Q4 | 15,575,335 | $204,796,474 | +$7,542,173 | $13.15 | 78 |
| 2014 Q3 | 15,022,196 | $173,517,582 | -$9,529,946 | $11.55 | 78 |
| 2014 Q2 | 15,854,767 | $180,898,155 | +$34,838,228 | $11.41 | 81 |
| 2014 Q1 | 12,834,492 | $133,327,041 | +$131,151,149 | $10.39 | 59 |