Waterstone Financial, Inc. - WSBF
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 18 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | History | Reduced | 1,532,723 | 25,366 | 0.0% | 0.0% | 1 | -44,103 | -2.8% | Q4 2025 | Feb 12, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 1,415,149 | 23,420 | 0.0% | 0.0% | 2 | -12,136 | -0.85% | Q4 2025 | Feb 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 1,117,236 | 18,490 | 0.03% | 0.02% | 3 | -34,400 | -2.99% | Q4 2025 | Feb 12, 2026 |
| VANGUARD GROUP INC | History | Reduced | 885,971 | 14,662 | 0.0% | 0.0% | 4 | -23,147 | -2.55% | Q4 2025 | Jan 29, 2026 |
| STATE STREET CORP | History | Reduced | 411,802 | 6,815 | 0.0% | 0.0% | 5 | -11,491 | -2.71% | Q4 2025 | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 370,663 | 6,135 | 0.0% | 0.0% | 6 | -13,083 | -3.41% | Q4 2025 | Feb 09, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Added to | 201,704 | 3,338 | 0.0% | 0.0% | 7 | +35,828 | 21.6% | Q4 2025 | Feb 17, 2026 |
| Fourthstone LLC | History | Added to | 199,702 | 3,305 | 0.62% | 0.36% | 8 | +71,143 | 55.34% | Q4 2025 | Feb 13, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Reduced | 199,616 | 3,303 | 0.07% | 0.08% | 9 | -46,142 | -18.78% | Q4 2025 | Feb 17, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Added to | 199,005 | 3,293 | 0.0% | 0.0% | 10 | +32,021 | 19.18% | Q4 2025 | Feb 13, 2026 |
| CSM Advisors, LLC | History | Added to | 191,295 | 3,167 | 0.09% | 0.08% | 11 | +285 | 0.15% | Q4 2025 | Feb 11, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | Reduced | 188,492 | 3,119 | 0.0% | 0.0% | 12 | -2,274 | -1.19% | Q4 2025 | Feb 13, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 180,061 | 2,980 | 0.0% | 0.0% | 13 | +8,807 | 5.14% | Q4 2025 | Mar 25, 2026 |
| MORGAN STANLEY | History | Added to | 178,624 | 2,956 | 0.0% | 0.0% | 14 | +10,618 | 6.32% | Q4 2025 | Feb 13, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 133,668 | 2,212 | 0.0% | 0.0% | 15 | -8,754 | -6.15% | Q4 2025 | Feb 17, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 132,271 | 2,189 | 0.0% | 0.0% | 16 | -113 | -0.09% | Q4 2025 | Feb 13, 2026 |
| Quantinno Capital Management LP | History | Added to | 128,603 | 2,128 | 0.0% | 0.0% | 17 | +16,689 | 14.91% | Q4 2025 | Feb 17, 2026 |
| DONALD SMITH & CO., INC. | History | New | 127,770 | 2,114 | 0.04% | — | 18 | +127,770 | New | Q4 2025 | Feb 11, 2026 |
| Empowered Funds, LLC | History | Added to | 109,950 | 1,819 | 0.03% | 0.02% | 19 | +11,228 | 11.37% | Q4 2025 | Feb 18, 2026 |
| Bank of New York Mellon Corp | History | Added to | 85,509 | 1,415 | 0.0% | 0.0% | 20 | +5,157 | 6.42% | Q4 2025 | Feb 10, 2026 |
| FMR LLC | History | Added to | 83,682 | 1,384 | 0.0% | 0.0% | 21 | +15,733 | 23.15% | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 75,706 | 1,252 | 0.0% | 0.0% | 22 | -4,554 | -5.67% | Q4 2025 | Feb 17, 2026 |
| JOHN G ULLMAN & ASSOCIATES INC | History | Added to | 63,248 | 1,046 | 0.14% | 0.12% | 23 | +6,750 | 11.95% | Q4 2025 | Feb 05, 2026 |
| Teton Advisors, LLC | History | No change | 59,000 | 976 | 0.68% | 0.57% | 24 | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | Added to | 49,839 | 824 | 0.0% | 0.0% | 25 | +8,264 | 19.88% | Q4 2025 | Feb 10, 2026 |
| TWO SIGMA ADVISERS, LP | History | Reduced | 47,382 | 784 | 0.0% | 0.0% | 26 | -14,000 | -22.81% | Q4 2025 | Feb 17, 2026 |
| D. E. Shaw & Co., Inc. | History | Reduced | 45,929 | 760 | 0.0% | 0.0% | 27 | -5,026 | -9.86% | Q4 2025 | Feb 17, 2026 |
| HSBC HOLDINGS PLC | History | Reduced | 45,975 | 758 | 0.0% | 0.0% | 28 | -5,813 | -11.22% | Q4 2025 | Mar 20, 2026 |
| Nuveen, LLC | History | No change | 43,295 | 716 | 0.0% | 0.0% | 29 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 41,590 | 688 | 0.0% | 0.0% | 30 | -10,311 | -19.87% | Q4 2025 | Feb 11, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 34,588 | 572 | 0.0% | 0.0% | 31 | +858 | 2.54% | Q4 2025 | Feb 17, 2026 |
| STATE OF WISCONSIN INVESTMENT BOARD | History | Added to | 33,500 | 554 | 0.0% | 0.0% | 32 | +7,500 | 28.85% | Q4 2025 | Feb 17, 2026 |
| STRS OHIO | History | Reduced | 33,300 | 551 | 0.0% | 0.0% | 33 | -3,700 | -10.0% | Q4 2025 | Feb 02, 2026 |
| BARCLAYS PLC | History | Added to | 30,924 | 511 | 0.0% | 0.0% | 34 | +750 | 2.49% | Q4 2025 | Feb 13, 2026 |
| IEQ CAPITAL, LLC | History | Added to | 29,563 | 489 | 0.0% | 0.0% | 35 | +5,215 | 21.42% | Q4 2025 | Feb 13, 2026 |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | History | Added to | 28,998 | 479 | 0.0% | 0.0% | 36 | +2,094 | 7.78% | Q4 2025 | Feb 11, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | Added to | 25,880 | 428 | 0.0% | 0.0% | 37 | +5,000 | 23.95% | Q4 2025 | Feb 17, 2026 |
| Russell Investments Group, Ltd. | History | Reduced | 24,704 | 408 | 0.0% | 0.0% | 38 | -625 | -2.47% | Q4 2025 | Feb 17, 2026 |
| COMMONWEALTH EQUITY SERVICES, LLC | History | Reduced | 23,438 | 387 | 0.0% | 0.0% | 39 | -250 | -1.06% | Q4 2025 | Feb 12, 2026 |
| RITHOLTZ WEALTH MANAGEMENT | History | Added to | 21,637 | 358 | 0.01% | 0.01% | 41 | +4,214 | 24.19% | Q4 2025 | Jan 23, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 21,616 | 358 | 0.03% | 0.03% | 40 | -1,574 | -6.79% | Q4 2025 | Feb 06, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 21,475 | 355 | 0.0% | 0.0% | 42 | -9,611 | -30.92% | Q4 2025 | Feb 12, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 20,625 | 341 | 0.0% | 0.0% | 43 | -2,755 | -11.78% | Q4 2025 | Feb 13, 2026 |
| MARTINGALE ASSET MANAGEMENT L P | History | New | 19,417 | 321 | 0.01% | — | 44 | +19,417 | New | Q4 2025 | Feb 13, 2026 |
| Mariner, LLC | History | Added to | 19,480 | 321 | 0.0% | 0.0% | 45 | +4,826 | 32.93% | Q4 2025 | Feb 13, 2026 |
| Invesco Ltd. | History | Reduced | 19,114 | 316 | 0.0% | 0.0% | 46 | -4,361 | -18.58% | Q4 2025 | Feb 19, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 17,764 | 293 | 0.0% | 0.0% | 47 | +4,675 | 35.72% | Q4 2025 | Feb 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 16,886 | 279 | 0.0% | 0.0% | 48 | -10,768 | -38.94% | Q4 2025 | Feb 17, 2026 |
| Curi Capital, LLC | History | Reduced | 15,295 | 253 | 0.0% | 0.0% | 49 | -1,194 | -7.24% | Q4 2025 | Feb 17, 2026 |
| CWM, LLC | History | Added to | 14,152 | 234 | 0.0% | 0.0% | 50 | +1,987 | 16.33% | Q4 2025 | Jan 26, 2026 |
| MERCER GLOBAL ADVISORS INC /ADV | History | Added to | 14,117 | 233 | 0.0% | 0.0% | 51 | +3,527 | 33.31% | Q4 2025 | Feb 18, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 12,842 | 212 | 0.0% | — | 52 | +12,842 | New | Q4 2025 | Feb 17, 2026 |
| CANADA PENSION PLAN INVESTMENT BOARD | History | New | 12,200 | 201 | 0.0% | — | 53 | +12,200 | New | Q4 2025 | Feb 17, 2026 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | History | New | 11,446 | 191 | 0.0% | — | 54 | +11,446 | New | Q4 2025 | Jan 08, 2026 |
| Qube Research & Technologies Ltd | History | New | 11,526 | 190 | 0.0% | — | 55 | +11,526 | New | Q4 2025 | Feb 17, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 10,946 | 181 | 0.0% | 0.0% | 56 | -53,933 | -83.13% | Q4 2025 | Feb 17, 2026 |
| Brandywine Global Investment Management, LLC | History | New | 10,670 | 176 | 0.0% | — | 57 | +10,670 | New | Q4 2025 | Feb 11, 2026 |
| BEESE FULMER INVESTMENT MANAGEMENT, INC. | History | New | 10,045 | 166 | 0.01% | — | 58 | +10,045 | New | Q4 2025 | Feb 05, 2026 |
| GAMCO INVESTORS, INC. ET AL | History | No change | 10,000 | 165 | 0.0% | 0.0% | 59 | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| MetLife Investment Management, LLC | History | Reduced | 8,825 | 146 | 0.0% | 0.0% | 60 | -782 | -8.14% | Q4 2025 | Feb 12, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 8,142 | 134 | 0.0% | 0.0% | 61 | +2,418 | 42.24% | Q4 2025 | Feb 10, 2026 |
| SG Americas Securities, LLC | History | New | 7,621 | 126 | 0.0% | — | 62 | +7,621 | New | Q4 2025 | Jan 09, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Reduced | 7,057 | 116 | 0.0% | 0.0% | 63 | -328 | -4.44% | Q4 2025 | Feb 17, 2026 |
| Farther Finance Advisors, LLC | History | Reduced | 3,388 | 56 | 0.0% | 0.0% | 64 | -7,929 | -70.06% | Q4 2025 | Jan 23, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | Reduced | 3,312 | 54 | 0.0% | 0.0% | 65 | -2,353 | -41.54% | Q4 2025 | Feb 13, 2026 |
| CITIGROUP INC | History | Added to | 2,463 | 40 | 0.0% | 0.0% | 66 | +1,976 | 405.75% | Q4 2025 | Feb 13, 2026 |
| Versant Capital Management, Inc | History | Reduced | 2,472 | 40 | 0.01% | 0.01% | 67 | -252 | -9.25% | Q4 2025 | Jan 08, 2026 |
| SIMPLEX TRADING, LLC | History | Added to | 2,306 | 38 | 0.0% | 0.0% | 69 | +944 | 69.31% | Q4 2025 | Feb 11, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Added to | 2,313 | 38 | 0.0% | 0.0% | 68 | +202 | 9.57% | Q4 2025 | Feb 06, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 2,264 | 37 | 0.0% | 0.0% | 70 | -372 | -14.11% | Q4 2025 | Feb 17, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 2,046 | 33 | 0.0% | 0.0% | 71 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| EverSource Wealth Advisors, LLC | History | Reduced | 1,938 | 32 | 0.0% | 0.0% | 72 | -281 | -12.66% | Q4 2025 | Feb 06, 2026 |
| UBS Group AG | History | Reduced | 1,481 | 24 | 0.0% | 0.0% | 73 | -8,474 | -85.12% | Q4 2025 | Jan 29, 2026 |
| CANADA LIFE ASSURANCE Co | History | Added to | 1,420 | 23 | 0.0% | 0.0% | 74 | +25 | 1.79% | Q4 2025 | Feb 13, 2026 |
| Pinnacle Wealth Planning Services, Inc. | History | New | 1,281 | 21 | 0.0% | — | 75 | +1,281 | New | Q4 2025 | Feb 13, 2026 |
| Ameritas Investment Partners, Inc. | History | Reduced | 1,233 | 20 | 0.0% | 0.0% | 76 | -589 | -32.33% | Q4 2025 | Feb 11, 2026 |
| State of Alaska, Department of Revenue | History | New | 1,159 | 19 | 0.0% | — | 78 | +1,159 | New | Q4 2025 | Jan 23, 2026 |
| Legal & General Group Plc | History | Reduced | 1,158 | 19 | 0.0% | 0.0% | 77 | -313 | -21.28% | Q4 2025 | Feb 09, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Reduced | 932 | 15 | 0.0% | 0.0% | 79 | -262 | -21.94% | Q4 2025 | Feb 17, 2026 |
| Sterling Capital Management LLC | History | Reduced | 875 | 14 | 0.0% | 0.0% | 80 | -187 | -17.61% | Q4 2025 | Feb 13, 2026 |
| ROYAL BANK OF CANADA | History | New | 796 | 13 | 0.0% | — | 81 | +796 | New | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 686 | 11 | 0.0% | 0.0% | 82 | -706 | -50.72% | Q4 2025 | Feb 17, 2026 |
| AMALGAMATED BANK | History | Reduced | 477 | 8 | 0.0% | 0.0% | 83 | -267 | -35.89% | Q4 2025 | Feb 05, 2026 |
| MassMutual Private Wealth & Trust, FSB | History | Reduced | 504 | 8 | 0.0% | 0.0% | 84 | -4 | -0.79% | Q4 2025 | Jan 07, 2026 |
| Arax Advisory Partners | History | Reduced | 460 | 7 | 0.0% | 0.0% | 85 | -7,158 | -93.96% | Q4 2025 | Feb 13, 2026 |
| BROWN BROTHERS HARRIMAN & CO | History | New | 273 | 4 | 0.0% | — | 86 | +273 | New | Q4 2025 | Feb 12, 2026 |
| Allworth Financial LP | History | New | 256 | 4 | 0.0% | — | 87 | +256 | New | Q4 2025 | Feb 05, 2026 |
| Optiver Holding B.V. | History | No change | 276 | 4 | 0.0% | 0.0% | 88 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| IFP Advisors, Inc | History | Added to | 222 | 3 | 0.0% | 0.0% | 89 | +98 | 79.03% | Q4 2025 | Feb 06, 2026 |
| Smartleaf Asset Management LLC | History | No change | 210 | 3 | 0.0% | 0.0% | 90 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Larson Financial Group LLC | History | Reduced | 140 | 2 | 0.0% | 0.0% | 92 | -1,792 | -92.75% | Q4 2025 | Feb 06, 2026 |
| Cornerstone Planning Group LLC | History | Added to | 176 | 2 | 0.0% | 0.0% | 93 | +160 | 1000.0% | Q4 2025 | Feb 02, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | Added to | 152 | 2 | 0.0% | 0.0% | 91 | +17 | 12.59% | Q4 2025 | Feb 10, 2026 |
| GAMMA Investing LLC | History | Reduced | 180 | 2 | 0.0% | 0.0% | 94 | -15 | -7.69% | Q4 2025 | Jan 05, 2026 |
| SIGNATUREFD, LLC | History | New | 102 | 1 | 0.0% | — | 96 | +102 | New | Q4 2025 | Jan 20, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | History | New | 75 | 1 | 0.0% | — | 95 | +75 | New | Q4 2025 | Feb 13, 2026 |
| Covestor Ltd | History | Reduced | 35 | 1 | 0.0% | 0.0% | 98 | -29 | -45.31% | Q4 2025 | Feb 06, 2026 |
| True Wealth Design, LLC | History | Added to | 65 | 1 | 0.0% | — | 99 | +2 | 3.17% | Q4 2025 | Jan 08, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 95 | 1 | 0.0% | 0.0% | 97 | -1 | -1.04% | Q4 2025 | Feb 03, 2026 |
| Private Wealth Management Group, LLC | History | No change | 120 | 1 | 0.0% | 0.0% | 100 | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |
| MARSHALL WACE, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -28,431 | -100.0% | Q3 2025 | Nov 13, 2025 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -17,363 | -100.0% | Q3 2025 | Nov 14, 2025 |
| DEUTSCHE BANK AG\ | History | Closed out | 0 | 0 | — | 0.0% | — | -15,695 | -100.0% | Q3 2025 | Nov 13, 2025 |
| FIRST TRUST ADVISORS LP | History | Closed out | 0 | 0 | — | 0.0% | — | -10,305 | -100.0% | Q3 2025 | Nov 12, 2025 |
| PANAGORA ASSET MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,280 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Clearstead Advisors, LLC | History | Reduced | 3 | 0 | — | 0.0% | — | -99 | -97.06% | Q4 2025 | Feb 09, 2026 |
| Global Retirement Partners, LLC | History | New | 22 | 0 | — | — | — | +22 | New | Q4 2025 | Feb 06, 2026 |
| SJS Investment Consulting Inc. | History | New | 8 | 0 | — | — | — | +8 | New | Q4 2025 | Jan 21, 2026 |
| MAI Capital Management | History | New | 5 | 0 | — | — | — | +5 | New | Q4 2025 | Feb 13, 2026 |
| Torren Management, LLC | History | New | 1 | 0 | — | — | — | +1 | New | Q4 2025 | Jan 30, 2026 |
| HUNTINGTON NATIONAL BANK | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 60 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 15, 2026 |
| Capital Advisors, Ltd. LLC | History | No change | 14 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 21, 2026 |
| Avion Wealth | History | No change | 45 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |
| Quent Capital, LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |