Segmentation by type classifies TYK2 Single-target Inhibitor offerings into small‑molecule inhibitors, biologic modalities, and nucleic‑acid‑based agents. Small‑molecule inhibitors, which bind the catalytic domain of TYK2, dominate the type landscape, representing roughly 60 % of pipeline activity and driving the bulk of commercial sales because of oral bioavailability and lower manufacturing costs. Biologic approaches, primarily monoclonal antibodies engineered to block TYK2 extracellular interactions, account for about 25 % of the market; their contribution is amplified in indications requiring high specificity and reduced off‑target risk, albeit at higher price points. Nucleic‑acid‑based agents, such as siRNA or antisense oligonucleotides targeting TYK2 mRNA, comprise the remaining 15 % and are positioned in early‑stage development, reflecting higher regulatory uncertainty but potential for differentiated safety profiles. This type‑based market taxonomy informs R&D prioritization, as each modality presents distinct cost structures, regulatory pathways, and scalability considerations that collectively shape the overall market size.