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Among the 3 tracked institutional investors we monitor, WSBK (WINCHESTER BANCORP INC) is held with a combined value of $1.35M across 117,338 shares. The largest holder is VANGUARD GROUP INC with a position worth $749.64K. BlackRock, Inc. opened a new position in the most recent quarter. 2 funds increased their holdings.
Total Institutional Value
$1.35M
Total Shares Held
117,338
Institutional Holders
3
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
None this quarter.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $749.64K | 0.00% | +3.7% |
| 2 | RENAISSANCE TECHNOLOGIES LLC | $412.60K | 0.00% | +1.3% |
| 3 | BlackRock, Inc. | $186.61K | 0.00% | New |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of WSBK with a position worth $749.64K, representing 0.00% of their portfolio. In total, 3 institutional investors hold WSBK with a combined value of $1.35M.
In the most recent quarter, 1 fund opened a new position in WSBK. Additionally, 2 increased their holdings.
Institutional investors hold $1.35M worth of WSBK stock across 3 positions. The largest institutional holder is VANGUARD GROUP INC with $749.64K in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For WSBK, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their WSBK positions.
Last Close
$12.95
2026-10-21
YTD
+24.0%
92% of 52-week range