Greene County Bancorp, Inc. (GCBC) Ownership

NASDAQ: GCBCTop holders, insider trades and short interest.

GCBC ownership summary

as of October 18, 2026
Institutions
15.7%
of shares outstanding
Insiders
58.17%
of shares outstanding
Shares outstanding
17.0M
Float
7.1M
shares available to trade
Short interest
1.44%
102K shares short
Days to cover
2.56
short interest down 46.5% vs prior month
  • Institutions 15.73%
  • Insiders 58.17%
  • Other investors 26.09%

GCBC top institutional holders

20 largest
Greene County Bancorp, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc3.92%668K$23.0M−10,539 (−1.6%)June 30, 2026
2Vanguard Capital Management, LLC2.89%492K$17.0M+193,956 (+65.1%)June 30, 2026
3Geode Capital Management, LLC1.08%184K$6.3M+16,844 (+10.1%)June 30, 2026
4State Street Corp0.76%129K$4.4M+218 (+0.2%)June 30, 2026
5Goss Wealth Management LLC0.64%109K$3.8M−289 (−0.3%)June 30, 2026
6Dimensional Fund Advisors, Inc.0.60%102K$3.5M+9,340 (+10.1%)June 30, 2026
7The Goldman Sachs Group Inc0.47%80K$2.8M+11,656 (+17.1%)June 30, 2026
8Northern Trust Corp0.41%70K$2.4M+18,931 (+37.1%)June 30, 2026
9Covalent Partners LLC0.41%69K$2.4M+6,000 (+9.5%)March 31, 2026
10Angel Oak Capital Advisors, LLC0.36%61K$2.1M—June 30, 2026
11Renaissance Technologies Corp0.31%52K$1.8M+1,200 (+2.4%)June 30, 2026
12Vanguard Portfolio Management, LLC0.28%48K$1.6M+6,540 (+15.8%)June 30, 2026
13Vanguard Fiduciary Trust Co0.27%46K$1.6M−6,004 (−11.5%)June 30, 2026
14HSBC Holdings PLC0.24%40K$1.4M−2,199 (−5.2%)June 30, 2026
15LPL Financial Corp0.23%40K$1.4M−3,047 (−7.1%)June 30, 2026
16Morgan Stanley - Brokerage Accounts0.19%32K$1.1M−2,143 (−6.2%)June 30, 2026
17Bank of New York Mellon Corp0.17%29K$984,370+2,688 (+10.4%)June 30, 2026
18Barclays PLC0.16%28K$955,199−868 (−3.0%)June 30, 2026
19Bayview Asset Management, LLC0.15%25K$862,000+25,000 (0.0%)June 30, 2026
20AQR Capital Management LLC0.14%24K$837,450+7,723 (+46.6%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 300K shares and 7 cut 25K.

GCBC top mutual fund and ETF holders

20 largest
Greene County Bancorp, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.02%513K$17.7M—August 31, 2026
2iShares Russell 2000 ETF1.12%191K$6.6M−2,176 (−1.1%)September 30, 2026
3BSF Systematic US Eq Abs Ret A2 USD0.70%119K$4.1M−10,162 (−7.9%)December 31, 2025
4Avantis US Small Cap Value ETF0.58%99K$3.4M+816 (+0.8%)September 30, 2026
5Fidelity Small Cap Index0.45%77K$2.7M+765 (+1.0%)July 31, 2026
6iShares Russell 2000 Value ETF0.35%60K$2.1M+90 (+0.2%)September 30, 2026
7Vanguard Russell 2000 ETF0.24%41K$1.4M+745 (+1.8%)September 30, 2026
8Fidelity Extended Market Index0.20%34K$1.2M−1,727 (−4.9%)August 31, 2026
9BlackRock Advantage Small Cap Gr Instl0.16%27K$938,408—August 31, 2026
10Angel Oak Financial Strats Income Term0.15%25K$862,000—September 30, 2026
11iShares Micro-Cap ETF0.13%23K$788,454−158 (−0.7%)September 30, 2026
12DFA US Small Cap I0.13%22K$767,180—August 31, 2026
13Dimensional US Small Cap ETF0.11%18K$627,122—September 30, 2026
14Schwab Small Cap Index0.10%17K$595,642—August 31, 2026
15WisdomTree US SmallCap Dividend ETF0.08%13K$449,412—September 30, 2026
16Fidelity Total Market Index0.07%13K$437,758—August 31, 2026
17Nuveen Equity Index R60.07%12K$419,725—August 31, 2026
18iShares Russell 2000 Small-Cap Idx Instl0.07%12K$408,795—August 31, 2026
19Fidelity Nasdaq Composite Index0.07%12K$401,623—August 31, 2026
20Fidelity Series Total Market Index0.06%11K$367,695—August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

GCBC insider transactions

latest 18
Greene County Bancorp, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-18Tejraj S HadaBuy$21.954,000$87,800
2026-03-18Peter W HoganBuy$22.103,000$66,300
2026-03-17Tejraj S HadaBuy$21.992,000$43,980
2026-03-05Nick BarzeeBuy$22.551,280$28,864
2026-03-02Christopher CannucciariBuy$22.051,300$28,665
2025-11-18John AntalekBuy$22.001,500$33,000
2025-11-18Tejraj S HadaBuy$21.963,000$65,880
2025-11-18Tejraj S HadaBuy$21.963,000$65,880
2025-11-14Tejraj S HadaBuy$22.00366$8,052
2025-11-05Tejraj S HadaBuy$22.521,500$33,780
2025-11-04Tejraj S HadaBuy$22.2045$999
2025-11-03Tejraj S HadaBuy$21.80235$5,123
2025-10-29Christopher CannucciariBuy$22.79423$9,640
2025-10-29Donald E GibsonBuy$21.881,000$21,880
2025-10-28Christopher CannucciariBuy$22.91706$16,174
2025-10-24Jay P CahalanBuy$22.734,300$97,739
2025-05-15Tejraj S HadaBuy$22.95388$8,905
2025-05-14Tejraj S HadaBuy$22.956,612$151,745

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

GCBC shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns GCBC

Institutional investors own 15.7% of Greene County Bancorp's shares and insiders 58.17%. The largest holder is BlackRock Inc with 3.92% of the shares (668K), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 7 reduced their stake in the latest filings. Short interest is 1.44% of the float, or 2.56 days of average trading volume.

Related: GCBC key metrics, GCBC dividend history. See the GCBC stock overview for the latest quote and news.

GCBC ownership FAQ

Who owns the most Greene County Bancorp stock?

The largest shareholders of Greene County Bancorp are BlackRock Inc (3.92%), Vanguard Capital Management, LLC (2.89%), Geode Capital Management, LLC (1.08%), State Street Corp (0.76%), Goss Wealth Management LLC (0.64%).

What percentage of Greene County Bancorp is owned by institutions?

Institutions hold 15.7% of Greene County Bancorp's shares outstanding; insiders hold 58.17%.

Which funds own Greene County Bancorp?

The largest fund holders of Greene County Bancorp are Vanguard MStar Total Stk Mkt Idx Invest (3.02%), iShares Russell 2000 ETF (1.12%), BSF Systematic US Eq Abs Ret A2 USD (0.70%), Avantis US Small Cap Value ETF (0.58%), Fidelity Small Cap Index (0.45%).

What is Greene County Bancorp's short interest?

102K shares of Greene County Bancorp were sold short, 1.44% of the float; at the average daily volume it would take 2.56 days to cover.

Are insiders buying or selling Greene County Bancorp?

Of the latest 18 reported insider transactions in Greene County Bancorp (since May 14, 2025), 18 were purchases and 0 were sales.

How many shares of Greene County Bancorp are outstanding?

Greene County Bancorp has 17.0M shares outstanding, of which 7.1M are in the public float.

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