WSBK · Winchester Bancorp, Inc./MD/
$13.03
+0.00 (+0.00%)
At close · Jul 28
Market Cap
$120.89M
Shares
9.30M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
The Jun 30, 2026 filing window is
still open — showing the latest known positions. Funds that have not filed yet
carry their prior-quarter positions; a fund that filed without this stock counts
as sold out.
Holders: 21
Total Value: $9,791,345
Total Shares: 770,189
Institutional Ownership Trend
5 quarters
Holder Concentration
Across 19 13F filersTop Holder
24.8%
of institutional value
Top 5
72.6%
of institutional value
Top 10
88.9%
of institutional value
HHI
1,466
Broadly held
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid MANGROVE PARTNERS IM, LLC | $2,364,752 | 24.15% | 186,201 | Shares | Sole | 2026-05-15 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $2,305,215 | 23.54% | 181,513 | Shares | Defined | 2026-05-15 | ||||
| Micro Northstar Financial Companies, Inc. | $889,000 | 9.08% | 70,000 | Shares | Sole | 2026-05-05 | ||||
| Mid Integrated Wealth Concepts LLC | $723,900 | 7.39% | 57,000 | Shares | Sole | 2026-05-15 | ||||
| Small Oppenheimer & Close, LLC | $635,000 | 6.49% | 50,000 | Shares | Sole | 2026-05-12 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $393,700 | 4.02% | 31,000 | Shares | Sole | 2026-05-14 | ||||
| Mega ALLIANCEBERNSTEIN L.P. | $313,131 | 3.20% | 24,656 | Shares | Defined | 2026-05-15 | ||||
| Small M3F, Inc. | $312,242 | 3.19% | 24,586 | Shares | Sole | 2026-04-28 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $286,537 | 2.93% | 22,562 | Shares | Defined | 2026-05-08 | ||||
| Mega RAYMOND JAMES FINANCIAL INC | $254,000 | 2.59% | 20,000 | Shares | Defined | 2026-05-14 | ||||
| Large Steward Partners Investment Advisory, LLC | $242,912 | 2.48% | 19,127 | Shares | Sole | 2026-05-08 | ||||
| Small EagleClaw Capital Managment, LLC | $203,200 | 2.08% | 16,000 | Shares | Sole | 2026-05-08 | ||||
| Mega LPL Financial LLC | $196,850 | 2.01% | 15,500 | Shares | Sole | 2026-05-06 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $176,783 | 1.81% | 13,920 | Shares | Defined | 2026-05-15 | ||||
| Mega MILLENNIUM MANAGEMENT LLC | $146,596 | 1.50% | 11,543 | Shares | Sole | 2026-05-15 | ||||
| Small RFG - Bristol Wealth Advisors, LLC | $133,476 | 1.36% | 10,158 | Shares | Sole | 2026-07-27 | ||||
| Small Sachetta, LLC | $105,120 | 1.07% | 8,000 | Shares | Sole | 2026-07-15 | ||||
| Mid EASTERN BANK Bank | $52,760 | 0.54% | 4,000 | Shares | Sole | 2026-07-01 | ||||
| Mega MORGAN STANLEY | $50,800 | 0.52% | 4,000 | Shares | Defined | 2026-05-15 | ||||
| Mid Tower Research Capital LLC (TRC) | $3,733 | 0.04% | 294 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $1,638 | 0.02% | 129 | Shares | Defined | 2026-05-05 | ||||
| No holders match your search. | ||||||||||