WINCHESTER BANCORP INC WSBK
$13.18
+0.6% 52w: $8.80 – $13.27
Latest 13F among current holders filed 1 month ago (May 15, 2026)
Price — last 12 months
research preview data8.8011.0313.27
Jun 20, 2025 Jul 2, 2026
Institutional holders
19
-2 QoQ
13F value
$9.5M
+17.6% QoQ
Smart-money holders
3
signal tier ≥ 2
New smart buyers
0
Q1 2026
Institutional value by quarter
Number of holders
Who owns WSBK?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| MANGROVE PARTNERS IM, LLC | Quant stat arb | 186.2K | $2.4M | 0.2% | Held |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 181.5K | $2.3M | 0.0% | — |
| Northstar Financial Companies, Inc. | Other | 70.0K | $889K | 0.7% | Held |
| Integrated Wealth Concepts LLC | Wealth advisor | 57.0K | $724K | 0.0% | Held |
| Oppenheimer & Close, LLC ★2 | Fundamental diversified | 50.0K | $635K | 0.4% | Held |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 31.0K | $394K | 0.0% | +17.0% |
| M3F, Inc. ★3 | Fundamental concentrated | 24.6K | $312K | 0.1% | -82.9% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 22.6K | $287K | 0.0% | — |
| ALLIANCEBERNSTEIN L.P. | Long only active | 24.7K | $258K | 0.0% | Held |
| RAYMOND JAMES FINANCIAL INC | Bank broker | 20.0K | $254K | 0.0% | Held |
| Steward Partners Investment Advisory, LLC | Diversified mechanical | 19.1K | $243K | 0.0% | Held |
| EagleClaw Capital Managment, LLC ★2 | Fundamental diversified | 16.0K | $203K | 0.0% | Held |
| LPL Financial LLC | Bank broker | 15.5K | $197K | 0.0% | Held |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 13.9K | $177K | 0.0% | -47.5% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 11.5K | $147K | 0.0% | -28.2% |
| MORGAN STANLEY | Bank broker | 4.0K | $51K | 0.0% | Held |
| EASTERN BANK | Other | 2.5K | $32K | 0.0% | Held |
| Tower Research Capital LLC (TRC) | Market maker | 294 | $4K | 0.0% | +15.3% |
| UBS Group AG | Bank broker | 129 | $2K | 0.0% | +4200.0% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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