WINCHESTER BANCORP INC (WSBK): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in WSBK. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
1
13F filers
Aggregate Value
$413K
Across holders
Last Price
$12.99
2026-08-24
Sector
—
GICS
Quarterly fund activity1 increased0 reduced1 exited
Full exits: MILLENNIUM MANAGEMENT LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 31K | $413K | 100.0% | 0.0% | Added | +$5K | Q2 2026 |
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