Community Bank System, Inc. (CBU) ownership: Top institutional holder: BlackRock, Inc. ($440.69M). Insider activity: Net Seller (1 buys, 19 sells). 3 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 7513822.00 | $440.69M | 2026-03-31 |
| VANGUARD GROUP INC | 6275222.00 | $360.45M | 2025-12-31 |
| NEUBERGER BERMAN GROUP LLC | 3715425.00 | $217.91M | 2026-03-31 |
| BlackRock Fund Advisors | 3474272.00 | $214.68M | 2016-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3525760.00 | $206.79M | 2026-03-31 |
| STATE STREET CORP | 3150340.00 | $186.20M | 2026-03-31 |
| FMR LLC | 3026372.00 | $177.50M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2374139.00 | $139.24M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-10 | |
| Sell | null | 2026-06-10 | |
| Sell | null | 2026-06-10 | |
| Sell | null | 2026-06-10 | |
| Sell | null | 2026-06-10 | |
| Sell | null | 2026-06-08 |
Back to CBU overview · CBU earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.