WINCHESTER BANCORP INC (WSBK) is held by 12 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC as of Q1 2026.

Are institutions buying or selling WSBK?

In Q1 2026, 4 institutions opened or increased positions in WINCHESTER BANCORP INC while 5 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on WSBK?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for WINCHESTER BANCORP INC.

How many hedge funds hold WSBK?

12 institutional investors report holding WINCHESTER BANCORP INC (WSBK) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into WSBK?

As of Q1 2026, tracked institutions in WINCHESTER BANCORP INC show 4 buyers versus 5 sellers — net outflows.

WINCHESTER BANCORP INC

WSBK·97269D103·US·Common Stock·Financial Services - Banks - Regional-Activist

Holders

Avg rating(5 Elite)

$5M

Total Value

44% (15)

Fund Consensus

4 buying - 5 selling

Smart Money Verdict

View all

Held by 12 funds

5 elite

Who's Trading

InsiderMJMerritt Edward JBuy $12KMay 26, 2026

InsiderSISnow John Ingalls IIIBuy $3KMay 7, 2026

InsiderSISnow John Ingalls IIIBuy $20KMay 7, 2026

InsiderSISnow John Ingalls IIIBuy $79KMay 5, 2026

InsiderSISnow John Ingalls IIIGift 600 shMay 5, 2026

InsiderSISnow John Ingalls IIIGift 200 shMay 5, 2026

InsiderBHBoodakian Stephen HarryBuy $32KMay 1, 2026

ActivistWBWinchester Bancorp, MHC55.0%May 14, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VAVANGUARD CAPITAL MANAGEMENT LLC	New	181,513	$2.3M	0.0%	+0.85%	36
IWIntegrated Wealth Concepts LLC	Unchanged	57,000	$723,900	0.0%	+45.24%	0
RENAISSANCE TECHNOLOGIES LLC	Increased	31,000(+17.0%)	$393,700	0.0%	+22.62%	28
VFVANGUARD FIDUCIARY TRUST CO	New	22,562	$286,537	0.0%	+0.85%	32
ALLIANCEBERNSTEIN L.P.	Unchanged	24,656	$257,655	0.0%	+27.28%	0
RAYMOND JAMES FINANCIAL INC	Unchanged	20,000	$254,000	0.0%	+45.99%	0
Steward Partners Investment Advisory, LLC	Unchanged	19,127	$242,913	0.0%	+33.90%	0
LPL Financial LLC	Unchanged	15,500	$196,850	0.0%	+45.99%	0
GEODE CAPITAL MANAGEMENT, LLC	Decreased	13,920(-47.5%)	$177,021	0.0%	+42.98%	0
MILLENNIUM MANAGEMENT LLC	Decreased	11,543(-28.2%)	$146,596	0.0%	+45.99%	0
MORGAN STANLEY	Unchanged	4,000	$50,800	0.0%	+37.71%	0
UBS Group AG	Increased	129(+4200.0%)	$1,638	0.0%	+1.58%	12
BANK OF AMERICA CORP /DE/	Exited	0(-100.0%)	$2,373	0.0%	+44.58%	0
CITIGROUP INC	Exited	0(-100.0%)	$10	0.0%	+36.55%	0
CITADEL ADVISORS LLC	Exited	0(-100.0%)	$219,440	0.0%	+44.77%	0