COLUMBIA BKG SYS INC — institutional ownership

3 funds reported holding COLUMBIA BKG SYS INC in their latest 13F filings, worth $324K in total (CUSIP 197236952).

Largest holders

1. IMC-Chicago, LLC — $279K
2. GROUP ONE TRADING LLC — $41.7K
3. SIMPLEX TRADING, LLC — $3.20K