Global System Dynamics Inc. (GSD)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Walleye Trading Advisors, Llc	95,531	$1,055,608	0%
2.	Walleye Trading Llc	53,998	$596,673	0%
3.	Boothbay Fund Management, Llc	50,828	$561,141	0.01%
4.	Yakira Capital Management, Inc.	34,285	$378,507	0.12%
5.	Berkley W R Corp	33,608	$369,352	0.02%