Public Joint-Stock Company PROTEK (PRTK.ME), a subsidiary of LLC PROTEK, operates as a vertically integrated pharmaceutical holding company in Russia, founded in 1990 and headquartered in Moscow. The company engages in pharmaceutical distribution, retail pharmacy operations, and drug production through three main segments; the Distribution segment supplies pharmaceuticals, health, and beauty products to medical facilities, independent pharmacies, pharmacy chains, and wholesalers, while offering ePharma2 inventory automation software, contract manufacturing for medicines, bandages, and napkins, plus customs and warehouse services; the Retail segment sells these products via the Rigla pharmacy chain; and the Production segment manufactures medicines for cardiology, rheumatology, neurology, oncology, nephrology, and general use, including recombinant human erythropoietin for anemia treatment, alongside raw material distribution and financial intermediation. It primarily serves the Russian market with some international subsidiaries in Ukraine, the Virgin Islands, and Cyprus, targeting pharmacies, healthcare providers, and end consumers through production facilities like FarmFirma Soteks ZAO, Protek-SVM OOO, and Proteinovyi Kontur OOO. Recent developments include reclaiming the top position as Russia's leading drug supplier in Q1 2023 via active public procurement participation; constructing a new 1.3 billion ruble warehouse in the Moscow region in 2023 to bolster storage capacity; pursuing recovery of over 500 million rubles from the bankruptcy of partner Godovalov LLC in 2024, part of losses exceeding 1 billion rubles; cautiously managing shipments amid regional pharmacy chain bankruptcy risks; and changing status from public joint-stock to privately held company.