Columbia Banking System Inc. (COLB)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	21,753,210	$580,375,644	0.01%
2.	Blackrock Inc.	18,472,440	$492,844,712	0.01%
3.	State Street Corp	9,345,530	$249,338,740	0.01%
4.	Franklin Resources Inc	7,788,928	$207,808,599	0.09%
5.	Morgan Stanley	6,983,982	$186,332,672	0.01%