def METHOD_NAME(gene_symbols):
    genes = GeneInfo.objects.filter(gene_symbol__in=gene_symbols).only('gene_symbol', 'gene_id').order_by('-gencode_release')
    symbols_to_ids = defaultdict(list)
    for gene in genes:
        symbols_to_ids[gene.gene_symbol].append(gene.gene_id)
    return symbols_to_ids