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
$9.83
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
708,264
Total reported value
$6,769,088
% of total 13F portfolios
0%
Share change
+88,028
Value change
+$839,927
Number of holders
22
Price from insider filings
$9.83
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 30 Sep 2025, 22 institutional investors reported holding 708,264 shares of Winchester Bancorp, Inc./MD/ - Common Stock, $0.01 par value per share (WSBK). This represents 7.6% 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 0 $0 -$221,398 $9.83 0
2025 Q3 708,264 $6,769,088 +$839,927 $9.55 22
2025 Q2 620,236 $5,551,171 +$5,551,170 $8.95 18