Plug Power Inc (PLUG)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	91,368,845	$123,347,941	0%
2.	Blackrock, Inc.	79,924,772	$107,898,442	0%
3.	Ubs Group Ag	32,691,399	$44,133,388	0.01%
4.	Heights Capital Management, Inc	23,091,715	$31,173,815	14.64%
5.	State Street Corp	22,182,361	$29,946,187	0%