Waterstone Financial, Inc. - WSBF

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
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 1,505,989 27,152 0.0% 0.0% 1 -26,734 -1.74% Q1 2026 May 13, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 1,413,502 25,485 0.01% 0.0% 2 -1,647 -0.12% Q1 2026 May 07, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 1,094,471 19,733 0.03% 0.03% 3 -22,765 -2.04% Q1 2026 May 14, 2026
VANGUARD GROUP INC History No change 885,971 14,662 0.0% 0.0% 4 0 0.0% Q4 2025 Jan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 700,237 12,625 0.0% 5 +700,237 New Q1 2026 May 15, 2026
STATE STREET CORP History Reduced 394,515 7,113 0.0% 0.0% 6 -17,287 -4.2% Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 366,680 6,612 0.0% 0.0% 7 -3,983 -1.07% Q1 2026 May 15, 2026
Fourthstone LLC History Added to 291,191 5,250 0.89% 0.62% 8 +91,489 45.81% Q1 2026 May 15, 2026
GOLDMAN SACHS GROUP INC History Added to 254,464 4,587 0.0% 0.0% 9 +74,403 41.32% Q1 2026 May 15, 2026
AMERICAN CENTURY COMPANIES INC History Added to 250,085 4,509 0.0% 0.0% 10 +51,080 25.67% Q1 2026 May 15, 2026
AQR CAPITAL MANAGEMENT LLC History Added to 224,794 4,053 0.0% 0.0% 11 +23,090 11.45% Q1 2026 May 15, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Added to 205,116 3,698 0.07% 0.07% 12 +5,500 2.76% Q1 2026 May 15, 2026
CSM Advisors, LLC History Reduced 190,125 3,428 0.08% 0.09% 13 -1,170 -0.61% Q1 2026 May 15, 2026
DONALD SMITH & CO., INC. History Added to 176,090 3,174 0.06% 0.04% 14 +48,320 37.82% Q1 2026 May 14, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History Reduced 167,095 3,012 0.0% 0.0% 15 -21,397 -11.35% Q1 2026 May 14, 2026
MORGAN STANLEY History Reduced 153,631 2,769 0.0% 0.0% 16 -24,993 -13.99% Q1 2026 May 15, 2026
Quantinno Capital Management LP History Added to 141,411 2,549 0.0% 0.0% 17 +12,808 9.96% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History Added to 140,079 2,525 0.0% 0.0% 18 +6,411 4.8% Q1 2026 May 14, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 126,792 2,286 0.0% 0.0% 19 -5,479 -4.14% Q1 2026 May 15, 2026
Empowered Funds, LLC History Added to 122,380 2,206 0.01% 0.03% 20 +12,430 11.31% Q1 2026 Jun 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 93,078 1,678 0.0% 21 +93,078 New Q1 2026 May 08, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 87,651 1,580 0.0% 22 +87,651 New Q1 2026 May 08, 2026
TWO SIGMA INVESTMENTS, LP History Added to 85,925 1,549 0.0% 0.0% 23 +10,219 13.5% Q1 2026 May 15, 2026
FMR LLC History Added to 84,214 1,518 0.0% 0.0% 24 +532 0.64% Q1 2026 May 15, 2026
Bank of New York Mellon Corp History Reduced 83,931 1,513 0.0% 0.0% 25 -1,578 -1.85% Q1 2026 May 05, 2026
JOHN G ULLMAN & ASSOCIATES INC History Reduced 61,248 1,104 0.15% 0.14% 26 -2,000 -3.16% Q1 2026 May 06, 2026
Teton Advisors, LLC History No change 59,000 1,063 0.75% 0.68% 27 0 0.0% Q1 2026 May 14, 2026
HSBC HOLDINGS PLC History Added to 48,012 873 0.0% 0.0% 28 +2,037 4.43% Q1 2026 Apr 30, 2026
BANK OF AMERICA CORP /DE/ History Added to 45,200 814 0.0% 0.0% 29 +10,612 30.68% Q1 2026 May 15, 2026
Connor, Clark & Lunn Investment Management Ltd. History Reduced 44,747 806 0.0% 0.0% 30 -5,092 -10.22% Q1 2026 May 11, 2026
RITHOLTZ WEALTH MANAGEMENT History Added to 43,647 786 0.01% 0.01% 31 +22,010 101.72% Q1 2026 Apr 20, 2026
Nuveen, LLC History Added to 43,630 786 0.0% 0.0% 32 +335 0.77% Q1 2026 Apr 30, 2026
TWO SIGMA ADVISERS, LP History No change 47,382 784 0.0% 0.0% 33 0 0.0% Q4 2025 Feb 17, 2026
D. E. Shaw & Co., Inc. History Reduced 40,705 733 0.0% 0.0% 34 -5,224 -11.37% Q1 2026 May 15, 2026
CITADEL ADVISORS LLC History Added to 39,460 711 0.0% 0.0% 35 +28,514 260.5% Q1 2026 May 15, 2026
MARTINGALE ASSET MANAGEMENT L P History Added to 38,234 689 0.02% 0.01% 36 +18,817 96.91% Q1 2026 May 13, 2026
O'SHAUGHNESSY ASSET MANAGEMENT, LLC History Added to 36,840 664 0.0% 0.0% 37 +7,842 27.04% Q1 2026 May 13, 2026
STATE OF WISCONSIN INVESTMENT BOARD History Added to 34,600 623 0.0% 0.0% 38 +1,100 3.28% Q1 2026 May 15, 2026
IEQ CAPITAL, LLC History Added to 32,136 579 0.0% 0.0% 39 +2,573 8.7% Q1 2026 May 14, 2026
STRS OHIO History Reduced 31,600 569 0.0% 0.0% 40 -1,700 -5.11% Q1 2026 Apr 24, 2026
Qube Research & Technologies Ltd History Added to 27,836 501 0.0% 0.0% 41 +16,310 141.51% Q1 2026 May 15, 2026
ALLIANCEBERNSTEIN L.P. History No change 25,880 428 0.0% 0.0% 42 0 0.0% Q1 2026 May 15, 2026
COMMONWEALTH EQUITY SERVICES, LLC History No change 23,438 422 0.0% 0.0% 43 0 0.0% Q1 2026 Apr 27, 2026
Mariner, LLC History Added to 21,367 385 0.0% 0.0% 44 +1,887 9.69% Q1 2026 May 13, 2026
JPMORGAN CHASE & CO History Reduced 21,058 383 0.0% 0.0% 45 -20,532 -49.37% Q1 2026 May 13, 2026
Russell Investments Group, Ltd. History Reduced 19,941 359 0.0% 0.0% 46 -4,763 -19.28% Q1 2026 May 08, 2026
RHUMBLINE ADVISERS History Reduced 19,120 344 0.0% 0.0% 47 -1,505 -7.3% Q1 2026 May 12, 2026
XTX Topco Ltd History New 17,618 317 0.01% 48 +17,618 New Q1 2026 May 15, 2026
Invesco Ltd. History Reduced 17,273 311 0.0% 0.0% 49 -1,841 -9.63% Q1 2026 May 12, 2026
MERCER GLOBAL ADVISORS INC /ADV History Added to 17,231 310 0.0% 0.0% 50 +3,114 22.06% Q1 2026 May 15, 2026
CWM, LLC History Added to 15,968 287 0.0% 0.0% 51 +1,816 12.83% Q1 2026 May 14, 2026
JANE STREET GROUP, LLC History Reduced 15,682 282 0.0% 0.0% 52 -5,793 -26.98% Q1 2026 May 12, 2026
FRANKLIN RESOURCES INC History New 15,199 274 0.0% 53 +15,199 New Q1 2026 May 13, 2026
Curi Capital, LLC History Reduced 15,139 272 0.0% 0.0% 54 -156 -1.02% Q1 2026 May 15, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Added to 14,240 259 0.0% 0.0% 55 +2,794 24.41% Q1 2026 Apr 08, 2026
CANADA PENSION PLAN INVESTMENT BOARD History No change 12,200 219 0.0% 0.0% 56 0 0.0% Q1 2026 May 15, 2026
BARCLAYS PLC History Reduced 11,713 211 0.0% 0.0% 57 -19,211 -62.12% Q1 2026 May 14, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History New 11,368 204 0.0% 58 +11,368 New Q1 2026 May 08, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History New 10,810 195 0.0% 59 +10,810 New Q1 2026 May 15, 2026
Engineers Gate Manager LP History New 10,206 184 0.0% 60 +10,206 New Q1 2026 May 15, 2026
BEESE FULMER INVESTMENT MANAGEMENT, INC. History Added to 10,065 181 0.01% 0.01% 61 +20 0.2% Q1 2026 Apr 16, 2026
GAMCO INVESTORS, INC. ET AL History No change 10,000 180 0.0% 0.0% 62 0 0.0% Q1 2026 May 14, 2026
Brandywine Global Investment Management, LLC History No change 10,670 176 0.0% 0.0% 63 0 0.0% Q4 2025 Feb 11, 2026
Eurizon Capital SGR S.p.A. History New 9,177 167 0.0% 64 +9,177 New Q1 2026 May 08, 2026
MetLife Investment Management, LLC History No change 8,825 159 0.0% 0.0% 65 0 0.0% Q1 2026 May 14, 2026
UBS Group AG History Added to 7,777 140 0.0% 0.0% 66 +6,296 425.12% Q1 2026 May 05, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 7,227 130 0.0% 0.0% 67 +170 2.41% Q1 2026 May 15, 2026
Vanguard Global Advisers, LLC History New 6,818 122 0.0% 68 +6,818 New Q1 2026 May 08, 2026
WELLS FARGO & COMPANY/MN History Reduced 6,473 116 0.0% 0.0% 69 -11,291 -63.56% Q1 2026 May 11, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 6,036 108 0.0% 0.0% 70 -2,106 -25.87% Q1 2026 May 12, 2026
DEUTSCHE BANK AG\ History New 3,448 62 0.0% 71 +3,448 New Q1 2026 May 06, 2026
Farther Finance Advisors, LLC History Added to 3,390 61 0.0% 0.0% 72 +2 0.06% Q1 2026 Apr 07, 2026
Police & Firemen's Retirement System of New Jersey History No change 3,312 59 0.0% 0.0% 73 0 0.0% Q1 2026 Apr 29, 2026
Tower Research Capital LLC (TRC) History Added to 2,483 44 0.0% 0.0% 74 +1,797 261.95% Q1 2026 May 15, 2026
Versant Capital Management, Inc History No change 2,472 44 0.0% 0.01% 75 0 0.0% Q1 2026 Apr 06, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 2,406 43 0.0% 0.0% 76 +93 4.02% Q1 2026 May 08, 2026
OSAIC HOLDINGS, INC. History Added to 2,271 40 0.0% 0.0% 77 +7 0.31% Q1 2026 May 15, 2026
CANADA LIFE ASSURANCE Co History Added to 2,148 39 0.0% 0.0% 78 +728 51.27% Q1 2026 May 14, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 2,046 36 0.0% 0.0% 79 0 0.0% Q1 2026 May 06, 2026
CITIGROUP INC History Reduced 1,934 34 0.0% 0.0% 80 -529 -21.48% Q1 2026 May 11, 2026
EverSource Wealth Advisors, LLC History Reduced 1,895 34 0.0% 0.0% 81 -43 -2.22% Q1 2026 May 15, 2026
Legal & General Group Plc History Added to 1,441 25 0.0% 0.0% 82 +283 24.44% Q1 2026 May 08, 2026
Ameritas Investment Partners, Inc. History No change 1,233 22 0.0% 0.0% 83 0 0.0% Q1 2026 May 13, 2026
State of Alaska, Department of Revenue History No change 1,159 20 0.0% 0.0% 84 0 0.0% Q1 2026 Apr 20, 2026
Pinnacle Wealth Planning Services, Inc. History Reduced 1,080 19 0.0% 0.0% 85 -201 -15.69% Q1 2026 May 11, 2026
Essential Partners LLC History Reduced 943 17 0.01% 0.01% 86 -86 -8.36% Q1 2026 May 21, 2026
SIMPLEX TRADING, LLC History Reduced 842 15 0.0% 0.0% 87 -1,464 -63.49% Q1 2026 May 14, 2026
Advisory Services Network, LLC History New 856 15 0.0% 88 +856 New Q1 2026 May 15, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History Added to 777 14 0.0% 0.0% 89 +702 936.0% Q1 2026 May 13, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 821 14 0.0% 0.0% 90 -111 -11.91% Q1 2026 May 15, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History New 666 12 0.0% 91 +666 New Q1 2026 May 07, 2026
Arax Advisory Partners History Added to 602 10 0.0% 0.0% 92 +142 30.87% Q1 2026 May 13, 2026
Sterling Capital Management LLC History Reduced 503 9 0.0% 0.0% 94 -372 -42.51% Q1 2026 Apr 22, 2026
MassMutual Private Wealth & Trust, FSB History No change 504 9 0.0% 0.0% 93 0 0.0% Q1 2026 Apr 13, 2026
ROYAL BANK OF CANADA History Reduced 357 6 0.0% 0.0% 95 -439 -55.15% Q1 2026 May 15, 2026
HARBOUR INVESTMENTS, INC. History New 339 6 0.0% 97 +339 New Q1 2026 May 15, 2026
NEW YORK STATE TEACHERS RETIREMENT SYSTEM History New 316 6 0.0% 96 +316 New Q1 2026 Apr 27, 2026
Allworth Financial LP History Added to 306 5 0.0% 0.0% 98 +50 19.53% Q1 2026 May 14, 2026
BROWN BROTHERS HARRIMAN & CO History No change 273 4 0.0% 0.0% 99 0 0.0% Q1 2026 May 14, 2026
JPL Wealth Management, LLC History New 220 3 0.0% 107 +220 New Q1 2026 May 08, 2026
JONES FINANCIAL COMPANIES LLLP History New 180 3 0.0% 105 +180 New Q1 2026 May 15, 2026
State of Wyoming History New 174 3 0.0% 106 +174 New Q1 2026 May 13, 2026
Smartleaf Asset Management LLC History Reduced 168 3 0.0% 0.0% 104 -42 -20.0% Q1 2026 May 15, 2026
ROTHSCHILD INVESTMENT LLC History Added to 184 3 0.0% 0.0% 100 +32 21.05% Q1 2026 May 07, 2026
GAMMA Investing LLC History Added to 198 3 0.0% 0.0% 103 +18 10.0% Q1 2026 Apr 06, 2026
IFP Advisors, Inc History Reduced 215 3 0.0% 0.0% 101 -7 -3.15% Q1 2026 Apr 13, 2026
Cornerstone Planning Group LLC History No change 176 3 0.0% 0.0% 102 0 0.0% Q1 2026 May 06, 2026
MAI Capital Management History Added to 144 2 0.0% 108 +139 2780.0% Q1 2026 May 15, 2026
Optiver Holding B.V. History Reduced 156 2 0.0% 0.0% 109 -120 -43.48% Q1 2026 Jun 02, 2026
Private Wealth Management Group, LLC History No change 120 2 0.0% 0.0% 110 0 0.0% Q1 2026 Apr 23, 2026
Covestor Ltd History Reduced 28 1 0.0% 0.0% 114 -7 -20.0% Q1 2026 May 05, 2026
NISA INVESTMENT ADVISORS, LLC History No change 60 1 0.0% 111 0 0.0% Q1 2026 Apr 30, 2026
SIGNATUREFD, LLC History No change 102 1 0.0% 0.0% 112 0 0.0% Q1 2026 Apr 07, 2026
SBI Securities Co., Ltd. History No change 95 1 0.0% 0.0% 113 0 0.0% Q1 2026 Apr 27, 2026
True Wealth Design, LLC History No change 65 1 0.0% 0.0% 115 0 0.0% Q1 2026 Apr 13, 2026
GSA CAPITAL PARTNERS LLP History Closed out 0 0 0.03% -21,616 -100.0% Q1 2026 May 08, 2026
MILLENNIUM MANAGEMENT LLC History Closed out 0 0 0.0% -16,886 -100.0% Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Closed out 0 0 0.0% -12,842 -100.0% Q1 2026 May 15, 2026
SG Americas Securities, LLC History Closed out 0 0 0.0% -7,621 -100.0% Q1 2026 Apr 16, 2026
AMALGAMATED BANK History Closed out 0 0 0.0% -477 -100.0% Q1 2026 May 08, 2026
Larson Financial Group LLC History Closed out 0 0 0.0% -140 -100.0% Q1 2026 May 15, 2026
Root Financial Partners, LLC History New 33 0 +33 New Q1 2026 Apr 24, 2026
CoreCap Advisors, LLC History New 8 0 +8 New Q1 2026 Apr 07, 2026
SJS Investment Consulting Inc. History Added to 15 0 +7 87.5% Q1 2026 Apr 23, 2026
Clearstead Advisors, LLC History Closed out 0 0 -3 -100.0% Q1 2026 May 06, 2026
Sunbelt Securities, Inc. History New 1 0 +1 New Q1 2026 May 15, 2026
Keating Financial Advisory Services, Inc. History New 1 0 +1 New Q1 2026 May 15, 2026
Quent Capital, LLC History Closed out 0 0 -1 -100.0% Q1 2026 Apr 28, 2026
HUNTINGTON NATIONAL BANK History No change 1 0 0 0.0% Q1 2026 May 15, 2026
Capital Advisors, Ltd. LLC History No change 14 0 0 0.0% Q1 2026 Apr 16, 2026
Global Retirement Partners, LLC History No change 22 0 0 0.0% Q4 2025 Feb 06, 2026
Avion Wealth History No change 45 0 0 0.0% Q1 2026 May 01, 2026
Torren Management, LLC History No change 1 0 0 0.0% Q1 2026 Apr 30, 2026