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Community Financial System, Inc.

CBU
Exchange
NYSE
Industry
National Commercial Banks
SEC CIK
0000723188

In the last 90 days, Community Financial System, Inc. insiders filed 3 open-market purchases and 0 sales; 280 institutions reported holding it in 13F filings for Q2 2026, worth $2.75B in total; no superinvestor holds it.

Holders of 5% or more of CBU

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Community Financial System, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of CBU
HolderLatest formStakeChangeFirst filedLatest filingFiling
Vanguard Portfolio Management LLC13G6.76%3.55M sharesNewApr 29, 20261 filingApr 29, 2026SEC
State Street Corp13G6.10%3.22M sharesNewMay 13, 20251 filingMay 13, 2025SEC
FMR LLC13G5.80%3.03M sharesNewMay 6, 20261 filingMay 6, 2026SEC
Vanguard Capital Management LLC13G5.27%2.77M sharesNewApr 29, 20261 filingApr 29, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

5 Schedule 13D and 13G filings on Community Financial System, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on CBU
Filed (ET)FilerFormStakeChangeEvent dateFiling
May 6, 202611:06 AM ETFMR LLCand 1 other13G5.80%3.03M sharesNewMar 31, 2026SEC
Apr 29, 20265:45 PM ETVanguard Capital Management LLC13G5.27%2.77M sharesNewMar 31, 2026SEC
Apr 29, 202612:31 PM ETVanguard Portfolio Management LLC13G6.76%3.55M sharesNewMar 31, 2026SEC
Mar 26, 20265:42 PM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
May 13, 202510:42 AM ETState Street Corp13G6.10%3.22M sharesNewMar 31, 2025SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Community Financial System, Inc. shares.

No Form 144 notices for Community Financial System, Inc. are on file.