OC
WSBK

Oppenheimer & Close’s Winchester Bancorp WSBK Stock Holding History

Oppenheimer & Close’s Portfolio WSBK Stock Details WSBK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$657K Hold
50,000
– – 0.41% 42
2026
Q1 		$635K Hold
50,000
– – 0.4% 44
2025
Q4 		$523K Hold
50,000
– – 0.36% 47
2025
Q3 		$478K Hold
50,000
– – 0.32% 48
2025
Q2 		$448K Buy
+50,000
New +$460K 0.34% 46

Other funds holding WSBK

MP
Mangrove Partners Greenwich, Connecticut $1.52B AUM 36.54% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
IWC
Integrated Wealth Concepts Waltham, Massachusetts $20.5B AUM 24.45% 1-Year Est. Return
NFC
Northstar Financial Companies Conshohocken, Pennsylvania $148M AUM 33.49% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
SPIA
Steward Partners Investment Advisory New York $19.6B AUM 29.84% 1-Year Est. Return

Oppenheimer & Close's WSBK Position: Q2 2026 in Review

Oppenheimer & Close held its Winchester Bancorp (WSBK) position steady in Q2 2026 at 50,000 shares worth $657K. The position accounts for 0.41% of the portfolio, ranked #42.

Oppenheimer & Close first reported a position in WSBK in Q2 2025 and has held it in 5 quarters since. 21 funds tracked by Wall St. Rank hold WSBK as of Q2 2026.

  • Oppenheimer & Close held 50,000 shares of Winchester Bancorp worth $657K as of Q2 2026.
  • Oppenheimer & Close left its Winchester Bancorp share count unchanged in Q2 2026.
  • Winchester Bancorp made up 0.41% of Oppenheimer & Close's portfolio in Q2 2026, its #42 holding.
  • Oppenheimer & Close first reported a position in Winchester Bancorp in Q2 2025 and has held it in 5 quarters since.
  • 21 funds tracked by Wall St. Rank held Winchester Bancorp as of Q2 2026.

Based on Oppenheimer & Close's 13F filing for Q2 2026, filed 12 Aug 2026.