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Sera Prognostics Inc is a health diagnostic company. It develops diagnostic tests for the early prediction of a woman's individualized risk of premature birth, preeclampsia, gestational diabetes, stillbirth, and other conditions. The proprietary proteomics and bioinformatics platform of the company helps to improve maternal and neonatal health by discovering, developing, and commercializing blood-based biomarker tests, and predictive analytic products and services.
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.