Institutional Ownership
Winchester Bancorp Inc
CUSIP 97269D103COMWSBKQ1 2026
13D / 13G Filings
1
Schedule 13D/13G on record
Beneficial Filers
1
Distinct reporting persons
Largest Stake
55.0%
Max % of class reported
Institutional Holders
17
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
1 filings · latest May 14, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | May 14, 2025 | Winchester Bancorp, Mhc | 13D | 55.0% | — | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Mangrove Partners Im, LLC | 186.2K | $2.36M |
| 2 | Northstar Financial Companies, Inc. | 70.0K | $889.0K |
| 3 | Integrated Wealth Concepts LLC | 57.0K | $723.9K |
| 4 | Oppenheimer & Close, LLC | 50.0K | $635.0K |
| 5 | Renaissance Technologies LLC | 31.0K | $393.7K |
| 6 | Alliancebernstein L.P. | 24.7K | $257.7K |
| 7 | Raymond James Financial Inc | 20.0K | $254.0K |
| 8 | Steward Partners Investment Advisory, LLC | 19.1K | $242.9K |
| 9 | Eagleclaw Capital Managment, LLC | 16.0K | $203.2K |
| 10 | Lpl Financial LLC | 15.5K | $196.8K |