WSBK · Company research
Winchester Bancorp, Inc. (WSBK): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
24records availableFinancial Services
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 157 | 2063 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Integrated Wealth Concepts LLC | 1737109 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 82000 | 1077480 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| MANGROVE PARTNERS IM, LLC | 1535392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 186201 | 2446681 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31400 | 412596 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| RAYMOND JAMES FINANCIAL INC | 720005 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20000 | 262800 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LPL Financial LLC | 1403438 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15500 | 203670 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Northstar Financial Companies, Inc. | 2059828 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 70000 | 919800 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 178941 | 2351285 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Steward Partners Investment Advisory, LLC | 1723397 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19127 | 251329 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22499 | 295900 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16 | 210 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Oppenheimer & Close, LLC | 1591377 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50000 | 657000 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Sachetta, LLC | 2010574 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8000 | 105120 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18 | 237 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| EASTERN BANK | 1126395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4000 | 52560 | — | — | — | Jul 1, 2026 | SEC_13F_DATASET |
| EagleClaw Capital Managment, LLC | 1607636 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16000 | 210240 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13357 | 175511 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22708 | 298383 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Blackrock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 845 | 11103000 | — | — | — | Aug 7, 2026 | SEC_13F_HR |
| RFG - Bristol Wealth Advisors, LLC | 2055104 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10158 | 133476 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| ALLIANCEBERNSTEIN L.P. | 1109448 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24656 | 313131 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2000 | 26000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Citigroup Inc. | 831001 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 10000 | — | — | — | Feb 13, 2026 | SEC_13F_HR |
| Citigroup Inc. | 831001 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 10000 | — | — | — | Nov 10, 2025 | SEC_13F_HR |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.