Columbia Banking Systems Inc (COLB) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for COLB. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 541 institutions reported holding COLB, with 269.0 million shares worth $8.6 billion in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
Vanguard29,164,873$935MDECREASED
BlackRock27,470,920$880MINCREASED
T. Rowe Price25,512,954$818MINCREASED
Dimensional Fund Advisors13,906,292$446MINCREASED
State Street12,694,096$407MINCREASED

Full institutional holdings, insider history, and congressional trades for Columbia Banking Systems Inc on SentiSense.