Winchester Bancorp Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| MANGROVE PARTNERS | 05/15/2026 | 186.20 K | $2.36 M | 0.00% | 2.08% |
| 05/15/2026 | 181.51 K | $2.31 M | 100.00% | 2.02% | |
| NORTHSTAR FINANCIAL COMPANIES, INC. | 05/05/2026 | 70.00 K | $889.00 K | 0.00% | 0.78% |
| INTEGRATED WEALTH CONCEPTS LLC | 05/15/2026 | 57.00 K | $723.90 K | 0.00% | 0.64% |
| OPPENHEIMER & CLOSE, LLC | 05/12/2026 | 50.00 K | $635.00 K | 0.00% | 0.56% |
| RENAISSANCE TECHNOLOGIES LLC | 05/14/2026 | 31.00 K | $393.70 K | 16.97% | 0.35% |
| ALLIANCEBERNSTEIN L.P. | 05/15/2026 | 24.66 K | $257.66 K | 0.00% | 0.28% |
| M3F, INC. | 04/28/2026 | 24.59 K | $312.00 K | -82.92% | 0.27% |
| VANGUARD FIDUCIARY TRUST CO | 05/08/2026 | 22.56 K | $286.54 K | 100.00% | 0.25% |
| RAYMOND JAMES FINANCIAL INC | 05/14/2026 | 20.00 K | $254.00 K | 0.00% | 0.22% |
| STEWARD PARTNERS INVESTMENT ADVISORY, LLC | 05/08/2026 | 19.13 K | $242.91 K | 0.00% | 0.21% |
| EAGLECLAW CAPITAL MANAGMENT, LLC | 05/08/2026 | 16.00 K | $203.20 K | 0.00% | 0.18% |
| LPL FINANCIAL LLC | 05/06/2026 | 15.50 K | $196.85 K | 0.00% | 0.17% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/15/2026 | 13.92 K | $177.02 K | -47.48% | 0.16% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2026 | 11.54 K | $146.60 K | -28.22% | 0.13% |
| MORGAN STANLEY | 05/15/2026 | 4.00 K | $50.80 K | 0.00% | 0.04% |
| EASTERN BANK | 04/07/2026 | 2.50 K | $31.75 K | 0.00% | 0.03% |
| TOWER RESEARCH CAPITAL LLC (TRC) | 05/15/2026 | 294 | $3.73 K | 15.29% | 0.00% |
| UBS GROUP AG | 05/05/2026 | 129 | $1.64 K | 4,200.00% | 0.00% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 0 | $0 | -100.00% | 0.00% |
| CITIGROUP INC | 05/11/2026 | 0 | $0 | -100.00% | 0.00% |
| CITADEL ADVISORS LLC | 05/15/2026 | 0 | $0 | -100.00% | 0.00% |
| 05/05/2026 | 0 | $0 | -100.00% | 0.00% |
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Winchester Bancorp Inc. institutional Ownership - FAQ's
During the previous two years, 22 institutional investors and hedge funds held shares of Winchester Bancorp Inc.. The most heavily invested institutionals were:
MANGROVE PARTNERS: 186,201
Northstar Financial Companies, Inc.: 70,000
Integrated Wealth Concepts LLC: 57,000
Oppenheimer & Close, LLC: 50,000
RENAISSANCE TECHNOLOGIES LLC: 31,000
ALLIANCEBERNSTEIN L.P.: 24,656
8.37% of Winchester Bancorp Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 640.75 K shares in the last 24 months. This purchase volume represents approximately $8.25 M in transactions.