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WSBK WINCHESTER BANCORP INC

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COM (common), issuer CIK 2047235

20 managers (21 13F filers) reported a position in WSBK shares at 2026-06-30, 784,121 shares in all. 5 filers opened a position and 3 filers sold out during the quarter.

Managers
20
13F filers
21
New
5
Added
5
Reduced
3
Sold out
3
Shares held by filers
784,121

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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
VANGUARD GROUP INCgroup of 2 filers holding201,649$2.65M-2,426Timeline
MANGROVE PARTNERS IM, LLC186,201$2.45M0.16%013F-HRTimeline
Integrated Wealth Concepts LLC82,000$1.08M0.01%+25,00013F-HRTimeline
Northstar Financial Companies, Inc.70,000$920K0.62%013F-HRTimeline
Oppenheimer & Close, LLC50,000$657K0.41%013F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC31,400$413K<0.01%+40013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC29,037$382K<0.01%+15,11713F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.24,656$313K<0.01%013F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC20,000$263K<0.01%013F-HRTimelineGroup
Steward Partners Investment Advisory, L…19,127$251K<0.01%013F-HRTimeline
EagleClaw Capital Managment, LLC16,000$210K0.03%013F-HRTimeline
LPL Financial LLC15,500$204K<0.01%013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.14,202$187K<0.01%new13F-HRTimelineGroup
RFG - Bristol Wealth Advisors, LLC10,158$133K0.03%new13F-HRTimeline
Sachetta, LLC8,000$105K0.05%new13F-HRTimeline
EASTERN BANK4,000$52.6K<0.01%+1,50013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA2,000$26K<0.01%new13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…157$2.06K<0.01%-13713F-HRTimelineGroup
UBS Group AGin group UBS Group AG18$237<0.01%-11113F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.16$210<0.01%new13F-HRTimelineGroup