COLUMBIA BANKING SYSTEM INC (COLB) Institutional Ownership Changes & 13F Activity

COLUMBIA BANKING SYSTEM INC (COLB) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Hancock Classic Value, First Eagle U.S. Value, Renaissance Technologies LLC, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2021Renaissance Technologies LLCBuy252,880390,586$12,780
Q3 2021Renaissance Technologies LLCBuy42,700137,706$5,231
Q2 2021Renaissance Technologies LLCBuy52,90095,006$3,663
Q1 2020Renaissance Technologies LLCBuy21,60042,106$1,128
Q2 2019Renaissance Technologies LLCSell-59,10020,506$742
Q1 2019Renaissance Technologies LLCSell-17,40079,606$2,602
Q4 2018Renaissance Technologies LLCBuy66,82897,006$3,520
Q1 2018Renaissance Technologies LLCSell-100,90030,178$1,266
Q4 2017Renaissance Technologies LLCBuy91,491131,078$5,694
Q3 2017Renaissance Technologies LLCSell-20,49239,587$1,667
Q2 2017Renaissance Technologies LLCSell-66,00060,079$2,394
Q1 2017Renaissance Technologies LLCSell-55,200126,079$4,916
Q2 2016Renaissance Technologies LLCSell-81,500181,279$5,087
Q1 2016Renaissance Technologies LLCBuy177,079262,779$7,862
Q4 2015Renaissance Technologies LLCBuy31,40085,700$2,786
Q3 2015Renaissance Technologies LLCBuy22,60054,300$1,695
Q2 2015Renaissance Technologies LLCBuy15,80031,700$1,032
Q1 2015Renaissance Technologies LLCSell-26,87915,900$461
Q2 2014Renaissance Technologies LLCSell-136,96142,779$1,126
Q1 2014Renaissance Technologies LLCSell-41,839179,740$5,126
Q4 2013Renaissance Technologies LLCBuy29,700221,579$6,091
Q3 2013Renaissance Technologies LLCBuy72,600191,879$4,739
Q2 2013Renaissance Technologies LLCBuy119,279119,279$2,840

Frequently asked questions about COLB activity

  • Which institutional owners are buying COLB?

    Institutional owners buying COLB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in COLB activity?

    "Buy" means an investor increased their reported position in COLB compared to the prior reporting period. This reflects growing exposure to COLUMBIA BANKING SYSTEM INC (COLB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in COLB increasing?

    Institutional interest in COLB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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