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Amprius Technologies Inc is engaged in the production of silicon anodes for high energy density lithium-ion batteries. The company's batteries are used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. All of its revenues is geographically earned in the United States.
BlackRock MuniHoldings Quality Fund II Inc is a diversified, closed-end management investment company. The fund's investment objective is to provide total return through a combination of current income and capital appreciation. The fund seeks to achieve its investment objective by investing in long-term, investment-grade municipal obligations exempt from U.S. federal income taxes.