Largest Listed Companies in Indonesia by Market Cap
With roughly 950 listed companies, the Indonesia Stock Exchange (IDX) — officially PT Bursa Efek Indonesia — is one of the largest exchanges in Southeast Asia. It was formed in 2007 through the merger of the Jakarta Stock Exchange and the Surabaya Stock Exchange, though its institutional roots trace back to 1912 during the Dutch colonial era.
The IDX Composite index (IHSG) covers all stocks on the exchange using a free-float market-capitalization-weighted methodology. The largest Indonesian companies by market cap span several sectors:
- Banking: Bank Central Asia (BBCA), Bank Rakyat Indonesia (BBRI), Bank Mandiri (BMRI), and Bank Negara Indonesia (BBNI) — several of which are majority state-owned
- Petrochemicals: Chandra Asri Pacific (TPIA), Indonesia’s largest integrated petrochemical company, operating the country’s only Naphtha Cracker plant
- Energy: Bayan Resources (BYAN), a thermal coal producer founded in 1981, and Barito Renewables Energy (BREN) in the renewables space
- Telecommunications: Telkom Indonesia (TLKM), which also carries a secondary listing on the New York Stock Exchange
- Conglomerates & Technology: Astra International (ASII), active in automotive and financial services, and DCI Indonesia (DCII), the country’s leading data center provider
All stocks on the IDX trade in Indonesian Rupiah (IDR). The exchange is regulated by the Financial Services Authority (OJK), and the IDX classifies its listings across 11 primary sectors under its own IDX-IC system. For a broader view of the region, see the largest listed companies in Asia or explore the world’s largest banking companies.
Regulated brokerThe table below lists the largest Indonesian publicly traded companies by market capitalization, with live prices and data updated regularly.
| Stock | Price | Change % | Marketcap |
|---|---|---|---|
| $18.64 | 2.87% | 18.47B | |
 Indonesia Energy INDO | $3.89 | 10.37% | 58.30M |
