What is WiMi Hologram Cloud Cash, Cash Equivalents, Marketable Securities? WiMi Hologram Cloud‘s quarterly cash, cash equivalents, marketable securities declined from Dec. 2022 (€82.76 Mil) to Jun. 2023 (€81.40 Mil) but then increased from Jun. 2023 (€81.40 Mil) to Dec. 2023 (€99.38 Mil). WiMi Hologram Cloud‘s annual cash, cash equivalents, marketable securities declined from Dec.