Sobirin Research is a platform focused on Indonesian businesses and public equities.

The work emphasizes institutional-grade analysis, forensic valuation, and rational risk management to better understand how businesses create value and how markets reflect that process over time.

While public markets remain an important lens, the objective extends beyond investing—using businesses, industries, and capital allocation to better understand Indonesia’s evolving economy.

The work is structured for clarity while preserving analytical depth. The emphasis remains on substance, objectivity, and clear reasoning over prediction and market noise.

Over time, Sobirin Research aims to contribute to a more thoughtful culture of business understanding, capital allocation, and long-term thinking in Indonesia.


Research Partner

Defriansyah Has

An investment professional focused on Indonesian businesses and public equities. His experience spans investment analysis at the Ministry of Finance of the Republic of Indonesia and institutional investment research, shaping an approach grounded in business fundamentals, forensic valuation, ownership structure, risk management, and an understanding of business and market cycles.

At Sobirin Research, these perspectives are developed into publications exploring businesses and capital markets in Indonesia.


Discussion Session

For discussion sessions, private research requests, or other inquiries related to Sobirin Research, please reach out through:

assistant@sobirinresearch.com