PT Antam (Persero) Tbk operates as a diversified metals and mining company in Indonesia. The company operates through three segments: Nickel, Precious Metals and Refinery, and Bauxite and Alumina. The company is involved in the exploration, excavation, processing, and marketing of alumina, nickel ore, ferronickel, gold, silver, bauxite, and coal. It also engages in construction, trading, industry, mining, agriculture, printing, and ground transportation businesses; and provision of industrial area management services. In addition, the company exports its products. The company was formerly known as PT Aneka Tambang Tbk and changed its name to PT Antam (Persero) Tbk in July 2026. The company was incorporated in 1968 and is headquartered in Jakarta, Indonesia. PT Antam (Persero) Tbk operates as a subsidiary of PT Mineral Industri Indonesia (Persero).