Supplementary tables S1, S2, S3, S4, S5, S6. These constitute the raw research data for the paper: "Metal–silicate partitioning of W and Mo and the role of carbon in controlling their abundances in the Bulk Silicate Earth" by Jennings et al. (Geochimica et Cosmochimica Acta). Table S1: Details of methods Table S2: EPMA and LA-ICP-MS data for silicate and metal phases. See captions and paper for details. Table S3: Sources used for additional data used in the data compilation in the paper Table S4: Variance-covariance matrices for data fitting Tables S5 and S6: Model outputs, see captions and paper for details.