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Sumitomo Mitsui Trust Bank backs Indian private equity firm One Planet Partners

Reported by Privateequitywire
Oct 29, 2026· 2 min read
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Key Takeaways
  • • Sumitomo Mitsui Trust Bank has acquired a minority stake in Indian private equity firm One Planet Partners and agreed to anchor its inaugural fund, according to Bloomberg.
  • • The inaugural fund targets investments of approximately INR30bn (about $25m to $75m per deal) over the next five years across energy transition, mobility and manufacturing.
  • • One Planet focuses on mid-market Indian businesses that have historically attracted less institutional capital than larger companies.
  • • The firm reportedly targets gross returns of 25% to 30% and plans to raise additional capital from Japanese, Asian and Indian institutional investors.
  • • One Planet, founded in 2024 by former Tata Group, McKinsey and Blackstone executives, completed its first investment in mobility company Yulu Bikes in August.
Summary
Japan's Sumitomo Mitsui Trust Bank has taken a minority stake in Indian private equity firm One Planet Partners and agreed to act as anchor investor in the firm's inaugural fund, according to a report by Bloomberg. The fund is targeting investments of approximately INR30bn over the next five years.

One Planet reportedly plans to invest across energy transition, mobility and manufacturing, focusing on mid-market Indian businesses that have historically attracted less institutional capital than larger companies. The firm expects to make investments of between $25m and $75m in real assets across its chosen sectors.

The firm was founded in 2024 by former Tata Group executives Mukund Rajan and Bobby Pauly, alongside former McKinsey partner Mrinalini Mirchandani and former Blackstone executive Sheetal Thakkar. It completed its first investment in mobility company Yulu Bikes in August.

One Planet reportedly plans to raise additional capital from Japanese, Asian and Indian institutional investors, targeting gross returns of 25% to 30% to help offset currency depreciation for international investors. According to the report, the transaction reflects growing Japanese institutional interest in India's private markets, particularly in sectors benefiting from economic growth and infrastructure development.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Privateequitywire Sumitomo Mitsui Trust Bank backs Indian private equity firm One Planet Partners