Winchester Bancorp, Inc. Common Stock
Winchester Bancorp, Inc. Common Stock（WSBK）股东结构
基于 13F 申报与流通股数据，展示机构、内部人与公众持股结构；下方为前十大机构、机构动向与内部人交易。
SEC 13F · FMP · WSBK · 截至 2025年9月30日
股东结构概览
22
机构持有人数
▲ 4 vs Q2
$6.77M
机构持仓总市值
▲ $1.22M vs Q2
8.96M
总流通股
freeFloat 42.22%
708,264
13F 申报持股数
▲ 88,028 vs Q2
机构持仓% = 13F 持股数 ÷ 总流通股。内部人% = 100 − 自由流通率。散户% = 自由流通率 − 机构%。数据来源：FMP /symbol-positions-summary + /shares-float + SEC EDGAR。
前10大机构持仓
WSBK 最大股东 · 机构持仓
Q3 2025 · SEC 13F
显示前 10 家
| 机构 | 持股数 | 占比 | 权重 | 市值 | 申报日 | 变动 |
|---|---|---|---|---|---|---|
MANGROVE PARTNERS savings institutions, not federally chartered | 186.9K | 2.09% | 2.09% | $1.79B | Nov 14, 2025 | ▲ 17.9K |
M3F, INC. savings institutions, not federally chartered | 82.6K | 92.08% | 92.08% | $788.00M | Nov 12, 2025 | ▲ 23.2K |
NORTHSTAR FINANCIAL COMPANIES, INC. savings institutions, not federally chartered | 70.0K | 78.08% | 78.08% | $668.50M | Nov 12, 2025 | NEW |
VANGUARD GROUP INC savings institutions, not federally chartered | 69.2K | 77.15% | 77.15% | $663.31M | Nov 7, 2025 | ▲ 185 |
INTEGRATED WEALTH CONCEPTS LLC savings institutions, not federally chartered | 55.0K | 61.35% | 61.35% | $525.25M | Nov 14, 2025 | — held |
OPPENHEIMER & CLOSE, LLC savings institutions, not federally chartered | 50.0K | 55.77% | 55.77% | $477.50M | Nov 10, 2025 | — held |
CITADEL ADVISORS LLC savings institutions, not federally chartered | 26.4K | 29.49% | 29.49% | $253.54M | Nov 14, 2025 | ▼ 15.5K |
STILWELL VALUE LLC savings institutions, not federally chartered | 25.0K | 27.89% | 27.89% | $238.75M | Nov 14, 2025 | — held |
GEODE CAPITAL MANAGEMENT, LLC savings institutions, not federally chartered | 23.9K | 26.66% | 26.66% | $229.16M | Nov 12, 2025 | ▲ 2.9K |
RAYMOND JAMES FINANCIAL INC savings institutions, not federally chartered | 20.0K | 22.31% | 22.31% | $191.00M | Nov 14, 2025 | — held |
数据来源：SEC 13F 申报文件。变动标识：isNew / isSoldOut / changeInSharesNumber。
机构仓位变动
Q3 2025 对比上季度
Q3 2025
5
增持
+52.4K 股4
新建仓
首次建仓7
减持
−40.9K 股0
清仓
完全退出净股数变化（前50家）
+11.5K
+52.4K / −40.9K
净新增持仓人
+2
新建 4 个 / 退出 0 个
基于前50家最大机构持仓统计，全市场实际数量可能不同。
内幕交易买卖情绪
WSBK 内幕交易记录
数据来源：SEC Form 4
近期内部人员净买入。 卖出可能源于预定的 10b5-1 计划，不代表负面展望。
7
买入笔数
1
卖出笔数
7.00
买卖比
$0M
卖出总金额
最近内幕交易记录
最近10条 · 仅普通股
| 姓名 · 职位 | 日期 | 类型 | 股数 | 价格 | 金额 | 交易后持股 | 申报 |
|---|---|---|---|---|---|---|---|
Merritt Edward J director | May 26, 2026 | Purchase | 915 | $12.76 | $11.7K | 20.9K | Form 4 ↗ |
Carroll John A President & CEO | May 21, 2026 | Purchase | 50 | $12.75 | $637.5 | 50 | Form 4 ↗ |
Snow John Ingalls III director | May 7, 2026 | Purchase | 200 | $12.77 | $2.6K | 19.7K | Form 4 ↗ |
Snow John Ingalls III director | May 7, 2026 | Purchase | 1,525 | $12.79 | $19.5K | 19.5K | Form 4 ↗ |
Snow John Ingalls III director | May 5, 2026 | Purchase | 6,110 | $12.87 | $78.6K | 18.6K | Form 4 ↗ |
Snow John Ingalls III director | May 5, 2026 | Gift | 600 | — | — | 18.0K | Form 4 ↗ |
Snow John Ingalls III director | May 5, 2026 | Gift | 200 | — | — | 200 | Form 4 ↗ |
Boodakian Stephen Harry director | May 1, 2026 | Purchase | 2,500 | $12.93 | $32.3K | 2.5K | Form 4 ↗ |
Hood William Preston director | Jun 10, 2025 | Purchase | 1,050 | $9.21 | $9.7K | 51.0K | Form 4 ↗ |
数据来源：SEC Form 4。买卖方向：acquisitionOrDisposition A=买入，D=卖出。已排除 RSU 归属（M-Exempt）。
关于机构与内部人持股结构
Winchester Bancorp, Inc. Common Stock（WSBK）主要由机构投资者持有，机构持股比例约为 7.9%。公司内部人员持股约 57.78%，散户及公众持股约占剩余的 34.31%。
Winchester Bancorp, Inc. Common Stock 最大机构股东为 MANGROVE PARTNERS，截至 September 30, 2025 持有约 186,949 股，占总流通股的 2.09%。
目前共有 22 家机构持有 WSBK 股票，合计持仓市值约 $6,769,088，数据来源为最新 SEC 13F 申报。
常见问题
WSBK ownershipWinchester Bancorp, Inc. Common Stock（WSBK）主要由机构投资者持有，机构持股约 7.9%。最大股东为 MANGROVE PARTNERS，持股比例 2.09%。内部人员持股约 57.78%。数据来源 SEC Form 13F，截至 September 30, 2025。