Western Alliance Bancorporation (WAL)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	10,726,739	$824,135,341	0.02%
2.	Vanguard Group Inc	10,677,670	$820,365,387	0.01%
3.	William Blair Investment Management, Llc	2,292,632	$176,142,917	0.49%
4.	Thornburg Investment Management Inc	167,591	$128,760,165	0.18%
5.	Bank Of New York Mellon Corp	968,210	$74,387,578	0.01%