Winchester Bancorp, Inc./MD/ - Common Stock, $0.01 par value per share (WSBK) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2025 to Q4 2025

Type / Class
Equity / Common Stock, $0.01 par value per share
Symbol
WSBK on Nasdaq
Shares outstanding
9,295,376
Price per share
$11.21
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
841,277
Total reported value
$8,791,690
% of total 13F portfolios
0%
Share change
+63,013
Value change
+$702,908
Number of holders
22
Price from insider filings
$11.21
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Winchester Bancorp, Inc./MD/ - Common Stock, $0.01 par value per share (WSBK) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Winchester Bancorp, MHC 55% 5,112,457 Winchester Bancorp, MHC 30 Apr 2025

As of 31 Dec 2025, 22 institutional investors reported holding 841,277 shares of Winchester Bancorp, Inc./MD/ - Common Stock, $0.01 par value per share (WSBK). This represents 9.1% of the company’s total 9,295,376 outstanding shares.

Institutional Holders of Winchester Bancorp, Inc./MD/ - Common Stock, $0.01 par value per share (WSBK) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 841,277 $8,791,690 +$702,908 $10.45 22
2025 Q3 708,264 $6,769,088 +$839,928 $9.55 22
2025 Q2 620,236 $5,551,171 +$5,551,171 $8.95 18