Amphastar Pharmaceuticals Inc. (AMPH)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	6,147,658	$178,220,606	0%
2.	Vanguard Group Inc	2,422,904	$70,239,986	0%
3.	Td Asset Management Inc	2,212,142	$64,129,997	0.06%
4.	Wellesley Investment AdvisorsBOND	43,068,000	$38,163,305	3.81%
5.	Btim Corp.	1,215,624	$35,240,939	0.26%