Skip to content

WSBK WINCHESTER BANCORP INC

Follow

COM (common), issuer CIK 2047235

22 managers (22 13F filers) reported a position in WSBK shares at 2025-09-30, 708,264 shares in all. 4 filers opened a position and 0 filers sold out during the quarter.

Managers
22
13F filers
22
New
4
Added
5
Reduced
7
Sold out
0
Shares held by filers
708,264

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
MANGROVE PARTNERS IM, LLC186,949$1.79M0.13%+17,85113F-HRTimeline
M3F, Inc.82,552$788K0.22%+23,22913F-HRTimeline
Northstar Financial Companies, Inc.70,000$668K0.62%new13F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC69,167$663K<0.01%+18513F-HRTimelineGroup
Integrated Wealth Concepts LLC55,000$525K<0.01%013F-HRTimeline
Oppenheimer & Close, LLC50,000$478K0.32%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC26,438$254K<0.01%-15,49113F-HRTimelineGroup
STILWELL VALUE LLCin group STILWELL VALUE LLC25,000$239K0.11%013F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC23,896$229K<0.01%+2,90413F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC20,000$191K<0.01%013F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC18,947$182K<0.01%-4,32413F-HRTimelineGroup
EagleClaw Capital Managment, LLC16,000$153K0.02%013F-HRTimeline
LPL Financial LLC15,500$148K<0.01%013F-HRTimeline
LYNCH & ASSOCIATES/IN13,183$126K0.02%-5,00013F-HRTimeline
Steward Partners Investment Advisory, L…10,750$103K<0.01%+8,25013F-HRTimeline
Benin Management CORP10,000$95.5K0.02%-50013F-HRTimeline
UBS Group AGin group UBS Group AG7,801$74.5K<0.01%-5,30513F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY4,000$38.2K<0.01%new13F-HR/ATimelineGroup
EASTERN BANK2,500$23.9K<0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…355$3.39K<0.01%-28613F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/225$2.15K<0.01%-9,98613F-HR/ATimelineGroup
CITIGROUP INCin group CITIGROUP INC1$10<0.01%new13F-HRTimelineGroup