Security key
97269D103
Winchester Bancorp, Inc./MD/ - Common Stock, $0.01 par value per share (WSBK)
CUSIP: 97269D103
Q4 2025 13F Holders as of 31 Dec 2025
- Type / Class
- Equity / Common Stock, $0.01 par value per share
- Shares outstanding
- 9,295,376
- Total 13F shares
- 771,277
- Share change
- +63,013
- Total reported value
- $8,060,190
- Price per share
- $10.45
- Number of holders
- 21
- Value change
- +$702,908
- Number of buys
- 8
- Number of sells
- 8
Report period
Q4 2025
Institutions
21
Top holders
10
WSBK full security history
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Winchester Bancorp, Inc./MD/ SEC filings
Winchester Bancorp, Inc./MD/ company facts
Broader feeds
Reporting periods
Holder history for CUSIP 97269D103
Recent filing periods:
Top shareholders of WSBK - Winchester Bancorp, Inc./MD/ - Common Stock, $0.01 par value per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Mhc Winchester Bancorp |
3/4/5
13D/G
|
10%+ Owner · Winchester Bancorp, MHC |
55%
from 13D/G
|
5,112,457
|
$47,699,224 | — | 30 Apr 2025 | |
| MANGROVE PARTNERS IM, LLC |
13F
|
Company |
2%
|
186,949
|
$1,785,363 | — | 30 Sep 2025 | |
| M3F, Inc. |
13F
|
Company |
0.89%
|
82,552
|
$788,000 | — | 30 Sep 2025 | |
| Northstar Financial Companies, Inc. |
13F
|
Company |
0.75%
|
70,000
|
$668,500 | — | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
0.74%
|
69,167
|
$663,312 | — | 30 Sep 2025 | |
| Integrated Wealth Concepts LLC |
13F
|
Company |
0.59%
|
55,000
|
$525,250 | — | 30 Sep 2025 | |
| Oppenheimer & Close, LLC |
13F
|
Company |
0.54%
|
50,000
|
$477,500 | — | 30 Sep 2025 | |
| William Preston Hood |
3/4/5
|
Director |
0.55%
|
51,050
|
$470,170 | +$9,671 | 10 Jun 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.28%
|
26,438
|
$253,540 | — | 30 Sep 2025 | |
| Stilwell Value LLC |
13F
|
Company |
0.27%
|
25,000
|
$238,750 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.26%
|
23,896
|
$229,162 | — | 30 Sep 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.22%
|
20,000
|
$191,000 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.2%
|
18,947
|
$181,702 | — | 30 Sep 2025 | |
| EagleClaw Capital Managment, LLC |
13F
|
Company |
0.17%
|
16,000
|
$152,800 | — | 30 Sep 2025 | |
| LPL Financial LLC |
13F
|
Company |
0.17%
|
15,500
|
$148,025 | — | 30 Sep 2025 | |
| LYNCH & ASSOCIATES/IN |
13F
|
Company |
0.14%
|
13,183
|
$125,898 | — | 30 Sep 2025 | |
| Steward Partners Investment Advisory, LLC |
13F
|
Company |
0.12%
|
10,750
|
$102,663 | — | 30 Sep 2025 | |
| Benin Management CORP |
13F
|
Company |
0.11%
|
10,000
|
$95,500 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0.08%
|
7,801
|
$74,500 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.04%
|
4,000
|
$38,200 | — | 30 Sep 2025 | |
| EASTERN BANK |
13F
|
Company |
0.03%
|
2,500
|
$23,875 | — | 30 Sep 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0%
|
355
|
$3,390 | — | 30 Sep 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0%
|
225
|
$2,148 | — | 30 Sep 2025 | |
| CITIGROUP INC |
13F
|
Company |
0%
|
1
|
$10 | — | 30 Sep 2025 | |
| Connolly Carole Ann Pierce |
3/4/5
|
Director |
—
class O/S missing
|
75,000
|
— | — | 30 Apr 2025 | |
| John A. Carroll |
3/4/5
|
President & CEO, Director |
—
class O/S missing
|
52,000
|
— | — | 05 May 2025 | |
| Deborah Anne Carson |
3/4/5
|
Director |
—
class O/S missing
|
44,510
|
— | — | 30 Apr 2025 | |
| Sara Perkins Salehpour |
3/4/5
|
Director |
—
class O/S missing
|
35,000
|
— | — | 30 Apr 2025 | |
| Paul Vincent Cheremka |
3/4/5
|
SVP |
—
class O/S missing
|
25,000
|
— | — | 30 Apr 2025 | |
| Alan George Macdonald |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
— | — | 30 Apr 2025 | |
| Edward J. Merritt |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
— | — | 30 Apr 2025 | |
| Elda Heller |
3/4/5
|
EVP and CFO |
—
class O/S missing
|
20,000
|
— | — | 30 Apr 2025 | |
| Neal Joseph Harte |
3/4/5
|
Director |
—
class O/S missing
|
10,000
|
— | — | 30 Apr 2025 | |
| David Preston Hood |
3/4/5
|
Director |
—
class O/S missing
|
7,000
|
— | — | 30 Apr 2025 | |
| Geoffrey Adams Curtis |
3/4/5
|
Director |
—
class O/S missing
|
5,000
|
— | — | 30 Apr 2025 | |
| Paula Marie Cotter |
3/4/5
|
Director |
—
class O/S missing
|
2,500
|
— | — | 30 Apr 2025 |
Institutional Holders of Winchester Bancorp, Inc./MD/ - Common Stock, $0.01 par value per share (WSBK) as of Q4 2025
As of 31 Dec 2025,
Winchester Bancorp, Inc./MD/ - Common Stock, $0.01 par value per share (WSBK) was held by
21 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
771,277 shares.
The largest 10 holders included
MANGROVE PARTNERS IM, LLC, M3F, Inc., VANGUARD GROUP INC, Northstar Financial Companies, Inc., Integrated Wealth Concepts LLC, Oppenheimer & Close, LLC, GEODE CAPITAL MANAGEMENT, LLC, RENAISSANCE TECHNOLOGIES LLC, ALLIANCEBERNSTEIN L.P., and CITADEL ADVISORS LLC.
This page lists
21
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
22
Q4 2025 holders
21
Holder diff
-1
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.