Alpha Pro Tech Ltd (APT)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	659,531	$3,488,919	0%
2.	Needham Investment Management Llc	612,500	$3,240,125	0.24%
3.	Blackrock, Inc.	272,896	$1,443,619	0%
4.	Linden Thomas Advisory Services, Llc	160,153	$847,209	0.1%
5.	Dimensional Fund Advisors Lp	141,467	$748,360	0%