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John Overdeck’s Greene County Bancorp GCBC Stock Holding History

John Overdeck’s Portfolio GCBC Stock Details GCBC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$571K Sell
16,991
-2,585
-13% -$66.5K ﹤0.01% 4059
2026
Q1 		$439K Buy
19,576
+4,519
+30% +$103K ﹤0.01% 3812
2025
Q4 		$335K Buy
15,057
+5,295
+54% +$120K ﹤0.01% 3529
2025
Q3 		$221K Buy
+9,762
New +$234K ﹤0.01% 3344

Other funds holding GCBC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
NA
NewEdge Advisors New Orleans, Louisiana $33.6B AUM 31.03% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
AOCA
Angel Oak Capital Advisors Atlanta, Georgia $79.3M AUM 7.42% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

John Overdeck's GCBC Position: Q2 2026 in Review

John Overdeck reduced its Greene County Bancorp (GCBC) stake by 13% in Q2 2026, selling an estimated $66.5K and leaving 16,991 shares worth $571K. The position accounts for ﹤0.01% of the portfolio, ranked #4059.

John Overdeck first reported a position in GCBC in Q3 2025 and has held it in 4 quarters since. 79 funds tracked by Wall St. Rank hold GCBC as of Q2 2026.

  • John Overdeck held 16,991 shares of Greene County Bancorp worth $571K as of Q2 2026.
  • John Overdeck sold 2,585 Greene County Bancorp shares in Q2 2026, an estimated $66.5K.
  • Greene County Bancorp made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4059 holding.
  • John Overdeck first reported a position in Greene County Bancorp in Q3 2025 and has held it in 4 quarters since.
  • 79 funds tracked by Wall St. Rank held Greene County Bancorp as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.