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How to find who holds more than 1% of an IDX stock with Idx

Import KSEI's monthly holder register and list every holder above 1% for one ticker.

Who it is forAn investor or researcher who wants to see the major shareholders of a specific Indonesian company, such as BBCA.

The problemKSEI publishes ownership data in monthly XLSX or PDF files that are hard to search across months.

The outcomeA list of holders above 1% of the chosen ticker, stored in local SQLite and queryable by date.

What you need first

  • Rust 1.88 or newer for cargo install, or Node.js and npm for the npm route
  • An internet connection for the first run (offline mode serves cached data only)
  • A terminal on Linux, macOS or Windows

Steps

  1. Install Idx with npm install -g github:fzn0x/idx or cargo install ihsg-cli.
  2. Run idx ownership import --latest to load the most recent KSEI monthly register into local SQLite. (inferred, check the README)
  3. Run idx ownership ticker BBCA to list holders above 1% of BBCA. (inferred, check the README)
  4. Run idx ownership releases to see which months are imported before comparing dates. (inferred, check the README)

Prompt for your agent

Use the idx tool from the fzn0x/idx repo to run `idx ownership import --latest`, then `idx ownership ticker <ticker>` for <ticker such as BBCA>. Return the holders above 1% with their stake. Verify that the output names the month the register covers.

Caveat. Holder data is monthly and covers only holders above 1%, so it will not show smaller positions or intra-month changes.

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