Winchester Bancorp
WSBK · NASDAQ
$12.94+$0.0017 (+0.01%)TodayMarket closed ·
Prev close $12.94
Who owns WSBK
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 63.5% of WSBK’s shares.
- Winchester Bancorp, MHC55.0%
- Mangrove Partners2.0%
- Vanguard Capital Management, LLC1.9%
- Integrated Financial Partners0.9%
- Next 6 largest institutions3.7%
- All other shareholders36.5%
| Holder | Shares | % of shares |
|---|---|---|
| Winchester Bancorp, MHC | 5.11M | 54.97% |
| Mangrove Partners | 186.20K | 2.00% |
| Vanguard Capital Management, LLC | 178.94K | 1.92% |
| Integrated Financial Partners | 82.00K | 0.88% |
| Pierce (Connolly Carole Ann) | 75.00K | 0.81% |
| Northstar Financial Companies Inc | 70.00K | 0.75% |
| Hood (William Preston) | 51.05K | 0.55% |
| Carroll (John A) | 51.00K | 0.55% |
| Oppenheimer + Close, LLC | 50.00K | 0.54% |
| Carson (Deborah Anne CPA) | 44.51K | 0.48% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 132.14K | 1.42% |
| Vanguard Extended Market Index Fund | 44.53K | 0.48% |
| Fidelity Extended Market Index Fund | 15.17K | 0.16% |
| iShares Micro-Cap ETF | 13.53K | 0.15% |
| Fidelity Series Total Market Index Fund | 6.07K | 0.07% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $145.33K (6 trades) of WSBK on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Merritt Edward J | Buy | 915 | $11.68K |
| Carroll John A | Buy | 50 | $638 |
| Snow John Ingalls III | Buy | 200 | $2.55K |
| Snow John Ingalls III | Buy | 1.52K | $19.50K |
| Snow John Ingalls III | Gift | 200 | — |
| Snow John Ingalls III | Gift | 600 | — |
| Snow John Ingalls III | Buy | 6.11K | $78.64K |
| Boodakian Stephen Harry | Buy | 2.50K | $32.32K |
Short interest
Settled Sep 30, 2026
- Shares short
- 20.52K
- Days to cover
- 3.37
- % of shares outstanding
- 0.22%
- Average daily volume
- 6.08K
- Change since last report
- +67.0%
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