Basic Materials Sector: Beyond Metals & Minerals
- Muhammad Silvansyah Syahdi Muharram
- Jun 13
- 2 min read
The basic materials is one of the sector groups listed on the Indonesia Stock Exchange (IDX), comprising five industries.
Although there are five industries, the metals & minerals industry lead in terms of issuer count and drives the sectoral index most strongly. Key metals & minerals in this raw materials sector include:
Gold
Steel & Iron
Copper
Aluminum
Tin, Nickel, etc.
Other mining companies—such as those extracting oil & gas or coal—are classified under the energy sector. Many mining stocks serve as major catalysts for the overall IDX Composite Index (IHSG).
Key Facts About the Raw Materials Sector
Industries in the basic materials sector include:
Industries | Number of Issuers |
Metals & Minerals | 36 |
Chemicals | 30 |
Containers & Packaging | 20 |
Forestry & Paper | 14 |
Construction Materials | 13 |
Total | 113 |
The Basic Materials Sectoral Index (IDXBASIC) has been quite volatile over the July 2018–April 2025 period, with a total change of +16.64%. On a month‑to‑date (MTD) basis, IDXBASIC is up +12.32%, while year‑to‑date (YTD) it stands at -6.83% (as of April 2025).
As of April 2025, the average market capitalization of constituents in IDXBASIC is IDR 16.18 trillion, with the largest market cap reaching IDR 685 trillion—led by TPIA in the chemicals industry.
The basic materials sector plays an important role in the economy because it provides the materials needed by various industrial lines for the production of finished goods. Fluctuations in commodity prices, government policies, and other external factors can affect the performance of this sector.
Top 10 issuers of basic materials based on April 2025 index fact sheet:
Issuers | Industry |
TPIA | Chemicals |
AMMN | Metals & Minerals |
ANTM | Metals & Minerals |
MDKA | Metals & Minerals |
BRPT | Chemicals |
BRMS | Metals & Minerals |
INKP | Forestry & Paper |
MBMA | Metals & Minerals |
SMGR | Construction Materials |
INTP | Construction Materials |
Disclaimer: The content is made for educational purposes, not a recommendation to buy or sell a particular stock. PT KAF Sekuritas Indonesia is licensed and supervised by the Financial Services Authority (OJK).
Besides metals and minerals, which industries in the basic materials sector do you typically invest in?
Chemicals
Containers & Packaging
Forestry & Paper
Construction Materials
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