Community Bank System, Inc.
Community Bank System, Inc. (CBU) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CBU · as of Sep 30, 2025
Ownership Breakdown
256
Institutional Holders
▼ 5 vs Q2
$2.30B
Total Inst. Value
▲ $67.23M vs Q2
52.55M
Shares Outstanding
freeFloat 99.04%
39.17M
13F Shares Held
▼ 42,712 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CBU largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. national commercial banks | 7.44M | 14.09% | 14.09% | $436.09B | Nov 12, 2025 | ▼ 162.3K |
VANGUARD GROUP INC national commercial banks | 6.31M | 11.96% | 11.96% | $370.22B | Nov 7, 2025 | ▼ 77.2K |
NEUBERGER BERMAN GROUP LLC national commercial banks | 4.02M | 7.62% | 7.62% | $235.87B | Nov 12, 2025 | ▲ 226.3K |
STATE STREET CORP national commercial banks | 3.30M | 6.24% | 6.24% | $194.74B | Nov 14, 2025 | ▲ 92.4K |
MORGAN STANLEY national commercial banks | 2.27M | 4.29% | 4.29% | $132.91B | May 27, 2026 | ▲ 42.0K |
DIMENSIONAL FUND ADVISORS LP national commercial banks | 1.82M | 3.44% | 3.44% | $106.49B | Nov 12, 2025 | ▼ 9.8K |
GEODE CAPITAL MANAGEMENT, LLC national commercial banks | 1.25M | 2.37% | 2.37% | $73.37B | Nov 12, 2025 | ▲ 8.3K |
FEDERATED HERMES, INC. national commercial banks | 744.3K | 1.41% | 1.41% | $43.64B | Nov 3, 2025 | ▼ 13.4K |
FMR LLC national commercial banks | 737.2K | 1.40% | 1.40% | $43.23B | Nov 13, 2025 | ▲ 608.0K |
NFJ INVESTMENT GROUP, LLC national commercial banks | 726.1K | 1.38% | 1.38% | $42.58B | Nov 14, 2025 | ▲ 620.6K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
20
Increased
+2.20M shares1
New Positions
first time holders26
Decreased
−1.09M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.11M
+2.20M / −1.09M
Net new holders
-5
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CBU insider trading · insider activity
Source: SEC Form 4
4
Buy transactions
5
Sell transactions
0.80
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Wlos Marya Burgio EVP & Chief Financial Officer | May 4, 2026 | Tax Withhold | 273 | $63.62 | $17.4K | 2.0K | Form 4 ↗ |
Pecor Raymond C III director | Mar 17, 2026 | Award | 1,220 | — | — | 8.4K | Form 4 ↗ |
Wlos Marya Burgio EVP & Chief Financial Officer | Mar 17, 2026 | Award | 6,004 | $56.64 | $340.1K | 6.0K | Form 4 ↗ |
Wlos Marya Burgio EVP & Chief Financial Officer | Mar 17, 2026 | Award | 1,571 | — | — | 1.6K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Community Bank System, Inc. (CBU) is primarily owned by institutional investors, who hold approximately 74.5% of total shares outstanding. Company insiders own approximately 0.96%, while retail and public investors account for the remaining 24.50%.
The largest institutional shareholder of Community Bank System, Inc. is BLACKROCK, INC., holding approximately 7.44 million shares — equal to 14.09% of outstanding shares — as of September 30, 2025.
A total of 256 institutional investors currently hold CBU stock, with a combined institutional value of approximately $2.30 billion as of the most recent 13F filing period.
Frequently asked questions
CBU ownershipCommunity Bank System, Inc. (CBU) is primarily owned by institutional investors, who hold approximately 74.5% of shares. The largest shareholder is BLACKROCK, INC. with a 14.09% stake. Company insiders hold 0.96%. Data sourced from SEC Form 13F as of September 30, 2025.