What is NS Wind Down Co Cash, Cash Equivalents, Marketable Securities? NS Wind Down Co‘s quarterly cash, cash equivalents, marketable securities declined from Mar. 2023 ($154.64 Mil) to Jun. 2023 ($117.60 Mil) but then stayed the same from Jun. 2023 ($117.60 Mil) to Sep. 2023 ($97.10 Mil). NS Wind Down Co‘s annual cash, cash equivalents,