WSBK

Winchester Bancorp Inc$12.99 0.38%
FinancialsUSCUSIP 97269D103· EOD Aug 4, 2026◍ Confluence graph
Tracked 13F Holders
18
-12 QoQ
13F Value (tracked)
$8.6M
Insider Net · 180d
$145K
4↑ 0↓
Recent Filings
9
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)3 adding · 1 trimming
Insider net (180d)+$145K

Price & smart-money activity

$12.99 0.38%1Y +29.9%
$8.40$9.71$11.01$12.32$13.63May 2025AugOctFeb 2026MayAug2665262242
Hover for who · click for detailEnd-of-day closing prices52w $9.20 – $13.27

Who owns WSBK?

18 tracked 13F filers

18 tracked 13F filers disclose a position in WSBK as of the latest SEC 13F filings, a combined $8.6M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1MANGROVE PARTNERS IM, LLC
$2.4M
186K
Held
Q1 2026
2VANGUARD CAPITAL MANAGEMENT LLC
$2.3M
182K
First observed position
No prior filed position
Q1 2026
3Northstar Financial Companies, Inc.
$920K
70K
Held
Q2 2026
4Integrated Wealth Concepts LLC
$724K
57K
Held
Q1 2026
5RENAISSANCE TECHNOLOGIES LLC
$394K
31K
+17%
Added · +4K sh
Q1 2026
6ALLIANCEBERNSTEIN L.P.
$258K
25K
Held
Q1 2026
7VANGUARD FIDUCIARY TRUST CO
$287K
23K
First observed position
No prior filed position
Q1 2026
8RAYMOND JAMES FINANCIAL INC
$254K
20K
Held
Q1 2026
9Steward Partners Investment Advisory, LLC
$243K
19K
Held
Q1 2026
10LPL Financial LLC
$197K
16K
Held
Q1 2026
11GEODE CAPITAL MANAGEMENT, LLC
$177K
14K
−47%
Reduced · −13K sh
Q1 2026
12MILLENNIUM MANAGEMENT LLC
$147K
12K
−28%
Reduced · −5K sh
Q1 2026
13RFG - Bristol Wealth Advisors, LLC
$133K
10K
New
+10K sh
Q2 2026
14Sachetta, LLC
$105K
8K
New
+8K sh
Q2 2026
15EASTERN BANK
$53K
4K
+60%
Added · +2K sh
Q2 2026
16MORGAN STANLEY
$51K
4K
Held
Q1 2026
17Tower Research Capital LLC (TRC)
$4K
294
+15%
Added · +39 sh
Q1 2026
18UBS Group AG
$2K
129
43×
Added · +126 sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is WSBK being bought or sold by institutions?

Last quarter, 1 fund opened a new position in WSBK and 2 added to an existing one, while 1 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
1
funds
Added
2
funds
Reduced
1
funds
Exited
0
funds

Funds that own WSBK also own

CompanyCo-held byCombined value
THERMO FISHER SCIENTIFIC INCTMO6 funds$1.4B
UNION PACIFIC CORPUNP6 funds$533.9M
WAYFAIR INC- CLASS AW6 funds$425.2M
LYFT INC-ALYFT6 funds$414.9M
COEUR MINING INCCDE6 funds$409.8M
ENCOMPASS HEALTH CORPEHC6 funds$350.8M
ETSY INCETSY6 funds$340.8M
DYCOM INDUSTRIES INCDY6 funds$308.7M
QORVO INCQRVO6 funds$302.4M
DROPBOX INC-CLASS ADBX6 funds$238.7M
MURPHY USA INCMUSA6 funds$193.8M
SOFI TECHNOLOGIES INCSOFI6 funds$180.9M

Ranked by how many of WSBK's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$145K
4 insiders
Sells · 180d
$0
0 insiders
Net
$145K
6 P/S txns
Signal
Net Buying
open-market
DateInsiderRoleActionSharesValue
May 26, 2026Merritt Edward JDirectorBuy (P)915$12K
May 21, 2026Carroll John APresident & CEO, DirectorBuy (P)50$638
May 7, 2026Snow John Ingalls IIIDirectorBuy (P)2K$20K
May 7, 2026Snow John Ingalls IIIDirectorBuy (P)200$3K
May 5, 2026Snow John Ingalls IIIDirectorBuy (P)6K$79K
May 1, 2026Boodakian Stephen HarryDirectorBuy (P)3K$32K
Jun 10, 2025Hood William PrestonDirectorBuy (P)1K$10K
May 14, 2025Hood William PrestonDirectorBuy (P)800$8K
May 14, 2025Hood William PrestonDirectorBuy (P)300$3K
May 14, 2025Hood William PrestonDirectorBuy (P)4K$37K
May 8, 2025Hood William PrestonDirectorBuy (P)2K$24K
May 8, 2025Hood William PrestonDirectorBuy (P)5K$50K

Institutional ownership over time

3 funds-11 since Q2 2025
0917Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $291K

Recent filings

9 shown

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Connected entities for WSBK

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Ask your agent what changed in WSBK

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/WSBK/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for WSBK.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for WSBK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.