Greene County Bancorp, Inc. (GCBC) ownership: Top institutional holder: BlackRock, Inc. ($15.20M). Insider activity: Net Buyer (18 buys, 2 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 678228.00 | $15.20M | 2026-03-31 |
| VANGUARD GROUP INC | 371003.00 | $8.25M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 298151.00 | $6.68M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 166924.00 | $3.74M | 2026-03-31 |
| STATE STREET CORP | 128801.00 | $2.89M | 2026-03-31 |
| BlackRock Fund Advisors | 92812.00 | $2.13M | 2016-12-31 |
| DIMENSIONAL FUND ADVISORS LP | 92607.00 | $2.08M | 2026-03-31 |
| Covalent Partners LLC | 69000.00 | $1.55M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-11 | |
| Buy | null | 2026-04-27 | |
| Buy | null | 2026-04-27 | |
| Buy | null | 2026-04-27 | |
| Buy | null | 2026-03-18 | |
| Buy | null | 2026-03-17 | |
| Buy | null | 2026-03-17 | |
| Buy | null | 2026-03-05 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.