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COLB in the 13F filings

Columbia BKG Sys Inc · CUSIP 197236102

Sector · BanksTheme · Commercial banks and thriftsTheme · Financial services· L3VLUP-defined
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023
Quarter end
31 Mar 2026
the date the book describes
Filed
27 Oct 2026
latest of these filings; the earliest 12 May 2026
Managers listing it
28
at least, of 95 tracked, among listed positions
Comparable managers
91
filed both Q4 2025 and Q1 2026; 8 listed it in both
Shares listed
44,335,004
combined, among listed positions
Reported value
$1.2bn
combined, at the quarter end

AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.

Among the 91 comparable managers: 18 buyers (opened or added shares) and 12 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -5,097,226.

Managers listing COLB in Q1 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

28 of 28 holders

ActionFiling
Wellington Management Group LLP14,944,275$410m0.08%Trimmed-3,161,95315 May 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc8,973,420$246munder 0.1%Added+306,65115 May 2026 (the filing on sec.gov)
MFS Investment Management6,024,374$167m0.06%Trimmed-390,99614 May 2026 (the filing on sec.gov)
Invesco Ltd4,097,020$112munder 0.1%Trimmed-73,26412 May 2026 (the filing on sec.gov)
Citadel Advisors LLC3,173,756$87munder 0.1%Added+534,53015 May 2026 (the filing on sec.gov)
Balyasny Asset Management LLC1,280,063$35munder 0.1%Trimmed-2,508,89415 May 2026 (the filing on sec.gov)
Capital World Investors1,063,800$29munder 0.1%Held013 May 2026 (the filing on sec.gov)
AQR Capital Management LLC812,826$22munder 0.1%Added+51,18315 May 2026 (the filing on sec.gov)
Millennium Management LLC550,608$15munder 0.1%Added+305,80015 May 2026 (the filing on sec.gov)
Brevan Howard Capital Management LP468,474$13m0.11%Added+118,47415 May 2026 (the filing on sec.gov)
AllianceBernstein LP408,695$11munder 0.1%Added+33,06115 May 2026 (the filing on sec.gov)
Bridgewater Associates LP399,933$11munder 0.1%Added+270,90015 May 2026 (the filing on sec.gov)
Susquehanna International Group LLP382,051$10munder 0.1%Added+338,57615 May 2026 (the filing on sec.gov)
Point72 Asset Management LP365,093$10munder 0.1%Trimmed-210,50015 May 2026 (the filing on sec.gov)
First Eagle Investment Management LLC229,000$6.3munder 0.1%Added+92,50014 May 2026 (the filing on sec.gov)
Schonfeld Strategic Advisors LLC212,578$5.8munder 0.1%Newnew15 May 2026 (the filing on sec.gov)
Jane Street Group LLC145,530$4.0munder 0.1%Added+138,10312 May 2026 (the filing on sec.gov)
Renaissance Technologies LLC141,398$3.9munder 0.1%Newnew14 May 2026 (the filing on sec.gov)
Janus Henderson Group Ltd133,901$3.7munder 0.1%Trimmed-483,72318 May 2026 (the filing on sec.gov)
Man Group PLC96,123$2.6munder 0.1%Added+6,19515 May 2026 (the filing on sec.gov)
Verition Fund Management LLC82,182$2.3munder 0.1%Added+20,64715 May 2026 (the filing on sec.gov)
Arrowstreet Capital LP75,852$2.1munder 0.1%Newnew14 May 2026 (the filing on sec.gov)
Marshall Wace LLP72,201$2.0munder 0.1%Added+16,18815 May 2026 (the filing on sec.gov)
GAMCO Investors Inc70,842$1.9munder 0.1%Trimmed-58,24614 May 2026 (the filing on sec.gov)
Neuberger Berman Group LLC43,266$1.2munder 0.1%Trimmed-1,95127 Oct 2026 (the filing on sec.gov)
Page 1 of 2

Largest increases and reductions, by shares

Q4 2025 to Q1 2026, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (4)

Exited (3)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
6 in Q3 2024 to 6 in Q2 2026

Tracked managers listing it, at least.

05101520162017201820192020202120222023202420252026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
COLB by quarter
QuarterHoldersReported valueBuyersSellers
Q2 20131$4.1mn.a.n.a.
Q4 20142$26mn.a.n.a.
Q1 20161$317kn.a.n.a.
Q4 20161$9.6mn.a.n.a.
Q1 20172$63mn.a.n.a.
Q2 20171$75mn.a.n.a.
Q3 20171$83mn.a.n.a.
Q4 20173$284mn.a.n.a.
Q1 20183$295mn.a.n.a.
Q2 20182$117mn.a.n.a.
Q3 20182$108mn.a.n.a.
Q4 20183$274mn.a.n.a.
Q1 20191$107mn.a.n.a.
Q2 20191$124mn.a.n.a.
Q3 20192$283mn.a.n.a.
Q4 20191$132mn.a.n.a.
Q1 20201$86mn.a.n.a.
Q2 20202$75mn.a.n.a.
Q3 20202$71mn.a.n.a.
Q4 20202$99mn.a.n.a.
Q1 20212$149mn.a.n.a.
Q2 20213$123mn.a.n.a.
Q3 20212$118mn.a.n.a.
Q4 20213$96mn.a.n.a.
Q1 20224$98mn.a.n.a.
Q2 20224$63mn.a.n.a.
Q3 20224$58mn.a.n.a.
Q4 20224$58mn.a.n.a.
Q1 20238$302mn.a.n.a.
Q2 20235$226mn.a.n.a.
Q3 20233$170mn.a.n.a.
Q4 20237$290m51
Q1 20246$183m32
Q2 20246$213m41
Q3 20246$449m33
Q4 20244$239m13
Q1 20253$174m11
Q2 20256$313m50
Q3 20257$660m51
Q4 202511$1.1bn1813
Q1 20268$894m1812
Q2 20266$921m1617

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

COLB and BAC →COLB and JPM →COLB and WFC →Choose a stock to compare with COLB →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own COLB, latest filings →Back to the 13F Explorer →