Greene County Bancorp

GCBC • NASDAQ

Greene County Bancorp is a banks - regional company in the financial services sector on NASDAQ, led by Donald E. Gibson, with a market cap of $419.0M. As of Q3 2025, 14% of shares are held by 66 institutional investors, with BlackRock, Inc. as the largest holder at 4.08%.

President and Chief Executive OfficerDonald E. Gibson

Market Cap$419.0M

Banks - Regional

Financial Services

Employees217.0

Websitetbogc.com

Country

United States of America

Overview

Overview of institutional ownership in GCBC as of Q3 2025 with a market cap of $384.8M

All Institutions

Institutions: 66
Value Held: $54.2M
Shares Held: 2.4M
Avg Position: $821.1K
Median Position: $109.5K

Hedge Funds

Hedge Funds: 6
Value Held: $4.5M
Shares Held: 200.6K
Avg Position: $755.6K
Median Position: $837.3K

Ownership Breakdown

Institutional (non-HF)

12.91%

$49.7M

Hedge Funds

1.18%

$4.5M

Retail & Other

85.92%

$330.6M

Based on market cap of $384.8M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in GCBC as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$15.7M 0.00% of portfolio	4.08% 695.0K shares	Q2 2016 Held for 9y 5m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$8.4M 0.00% of portfolio	2.17% 369.5K shares	Q2 2016 Held for 9y 5m	$6.69T
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$3.8M 0.00% of portfolio	0.99% 169.3K shares	Q2 2017 Held for 8y 5m	$1.57T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$2.9M 0.00% of portfolio	0.75% 128.1K shares	Q2 2016 Held for 9y 5m	$2.88T
Goss Wealth Management LLC RIA/Wealth	Alexander Thomas Goss CEO	$2.6M 0.01% of portfolio	0.68% 115.1K shares	Q4 2021 Held for 3y 11m	$21.8B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$1.9M 0.00% of portfolio	0.51% 86.2K shares	Q3 2019 Held for 6y 2m	$466.32B
S STIFEL FINANCIAL CORP Long Only Manager	Adam Vartan Topalian CIO	$1.3M 0.00% of portfolio	0.35% 59.4K shares	Q2 2019 Held for 6y 5m	$109.37B
GOLDMAN SACHS GROUP INC Institution	David M. Solomon CEO	$1.3M 0.00% of portfolio	0.34% 58.1K shares	Q3 2024 Held for 1y 2m	$691.34B
Angel Oak Capital Advisors, LLC Long Only Manager	Manmohan Singh CFO	$1.3M 1.02% of portfolio	0.34% 57.5K shares	Q4 2024 Held for 11 months	$127.6M
NORTHERN TRUST CORP Institution	Michael G. O'Grady CEO	$1.2M 0.00% of portfolio	0.32% 54.0K shares	Q2 2016 Held for 9y 5m	$782.01B

Net Capital Flow

Institutional buying and selling activity for GCBC in Q3 2025

Traded: +$1.3M
Buyers: 33
Sellers: 26
Total Bought: +$6.2M
Total Sold: −$4.9M
Avg Position: $732.3K

Biggest Buyers

Institution	Net Bought	Current Position
B BlackRock, Inc. Institution	+$3.0M +131.0K shares	$15.7M 695.0K shares
C Covalent Partners LLC Hedge Fund•Value	+$1.0M +45.7K shares	$1.0M 45.7K shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	+$789.8K +34.9K shares	$789.8K 34.9K shares
GOLDMAN SACHS GROUP INC Institution	+$445.9K +19.7K shares	$1.3M 58.1K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$220.6K +9.8K shares	$220.6K 9.8K shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$183.2K +8.1K shares	$422.6K 18.7K shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	+$154.4K +6.8K shares	$1.9M 86.2K shares
VANGUARD GROUP INC Institution	+$105.1K +4.7K shares	$8.4M 369.5K shares
H HSBC HOLDINGS PLC Institution	+$68.6K +3.0K shares	$902.4K 40.1K shares
STONERIDGE INVESTMENT PARTNERS LLC Long Only Manager	+$37.3K +1.7K shares	$486.9K 21.5K shares

Biggest Sellers

Institution	Net Sold	Current Position
Marshall Wace LLP Institution	−$1.2M −54.3K shares	Sold Off 0 shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$1.1M −50.3K shares	$642.4K 28.4K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$621.4K −27.5K shares	$1.1M 47.1K shares
S Squarepoint Ops LLC Hedge Fund•Quant	−$418.1K −18.8K shares	Sold Off 0 shares
H HRT FINANCIAL LLC Institution	−$372.5K −16.8K shares	Sold Off 0 shares
MORGAN STANLEY RIA/Wealth	−$277.5K −12.3K shares	$1.1M 46.8K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	−$246.3K −10.9K shares	$1.2M 50.9K shares
J JANE STREET GROUP, LLC Institution	−$215.2K −9.7K shares	Sold Off 0 shares
LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC Long Only Manager	−$155.6K −6.9K shares	$312.1K 13.8K shares
UBS Group AG Institution	−$49.7K −2.2K shares	$129.0K 5.7K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited GCBC in Q3 2025

New Positions: 7
New Value: $2.1M
Exited Positions: 7
Exited Value: $2.3M

New Positions

Institution	Position Value
C Covalent Partners LLC Hedge Fund•Value	$1.0M 45.7K shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	$789.8K 34.9K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	$220.6K 9.8K shares
S State of Alaska, Department of Revenue Institution	$14.4K 639.0 shares
O Optiver Holding B.V. Institution	$2.4K 104.0 shares
Hartland & Co., LLC RIA/Wealth	$68.0 3.0 shares
ROTHSCHILD INVESTMENT LLC RIA/Wealth	$23.0 1.0 shares

Exited Positions

Institution	Previous Position
Marshall Wace LLP Institution	$1.2M 54.3K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$418.1K 18.8K shares
H HRT FINANCIAL LLC Institution	$372.5K 16.8K shares
J JANE STREET GROUP, LLC Institution	$215.2K 9.7K shares
W WHITE BAY PT LLC Institution	$33.3K 1.5K shares
LAZARD ASSET MANAGEMENT LLC Long Only Manager	$5.5K 249.0 shares
Golden State Wealth Management, LLC RIA/Wealth	- - shares

Options Activity

Institutions with the largest Call and Put options positions in GCBC as of Q3 2025

Call Positions: 0
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
No call positions found

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with GCBC as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
C Covalent Partners LLC Hedge Fund•Value	William Duncan Benjes Managing Partner	7.31% $1.0M	0.27% 45.7K shares	Q3 2025 Held for 2 months	$14.1M
Angel Oak Capital Advisors, LLC Long Only Manager	Manmohan Singh CFO	1.02% $1.3M	0.34% 57.5K shares	Q4 2024 Held for 11 months	$127.6M
STONERIDGE INVESTMENT PARTNERS LLC Long Only Manager	Steven Leroy Sanders CEO	0.34% $486.9K	0.13% 21.5K shares	Q4 2024 Held for 11 months	$144.0M
Goss Wealth Management LLC RIA/Wealth	Alexander Thomas Goss CEO	0.01% $2.6M	0.68% 115.1K shares	Q4 2021 Held for 3y 11m	$21.8B
PITTENGER & ANDERSON INC RIA/Wealth	Daniel L Anderson Chairman	0.00% $114.5K	0.03% 5.1K shares	Q2 2014 Held for 11y 5m	$2.7B
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	0.00% $1.2M	0.30% 50.9K shares	Q2 2024 Held for 1y 5m	$75.8B
S STIFEL FINANCIAL CORP Long Only Manager	Adam Vartan Topalian CIO	0.00% $1.3M	0.35% 59.4K shares	Q2 2019 Held for 6y 5m	$109.37B
LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC Long Only Manager	Daniel Earle Allen CEO	0.00% $312.1K	0.08% 13.8K shares	Q2 2025 Held for 5 months	$29.5B
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	Dan Michael Berkovitz Chairman	0.00% $1.1M	0.28% 47.1K shares	Q4 2024 Held for 11 months	$121.98B
H HSBC HOLDINGS PLC Institution	-	0.00% $902.4K	0.24% 40.1K shares	Q1 2025 Held for 8 months	$169.01B

Hedge Fund Spotlight

Discover hedge funds investing in GCBC

TWO SIGMA INVESTMENTS LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerScott David Hoffman

Portfolio Value: $62.0B
Positions: 3,252
Last Reported: Q3 2025

Sector Allocation

Position in Greene County Bancorp

Market Value: $220.6K
Shares Held: 9.8K
Portfolio Weight: 0.00%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
1 SPDR S&P 500 ETF Trust SPY	ETF ETF	$680.4M	1.10%
2 Financial Select Sector SPDR Fund XLF	ETF ETF	$582.6M	0.94%
3 Consumer Staples Select Sector SPDR Fund XLP	ETF ETF	$489.6M	0.79%