AI semiconductor startup Rebellion announced that it has finalized its Series C round, attracting new investors from U.S. venture capital firms Kindred Ventures and Top Tier Capital Partners.
Kindred Ventures, a leading Silicon Valley-based venture capital firm that has made early investments in innovative companies like Perplexity and Uber, is investing in a Korean startup for the first time. TopTier Capital Partners is also a major North American investor with over 20 years of direct and indirect investment in global funds and startups.
Rebellion closed its Series C round, announced last September, by attracting additional key international investors. This is seen as a case in which a Korean AI semiconductor startup has received recognition for its technological prowess and growth potential from a Silicon Valley investment firm.
This round, along with Arm's first investment in a Korean startup, saw participation from global strategic investors such as Samsung and Pegatron. This was further complemented by North American venture capital investment, demonstrating Rebellion's technological prowess and market potential. Furthermore, according to data from market research firm CB Insights as of October 2025, Rebellion ranked second globally in the AI inference (inference accelerator) category based on Mosaic Score, demonstrating objective recognition of its technological competitiveness.
Rebellion plans to use this investment to strengthen its partnerships in the North American market and expand collaboration with local customers and the data center ecosystem. It also plans to accelerate its efforts to secure local talent and strengthen its global organizational capabilities.
“In this Series C, global investors such as Arm, Kindred Ventures, and Top Tier Capital Partners participated and highly evaluated Rebellion’s growth potential,” said Shin Sung-kyu, Chief Financial Officer (CFO) of Rebellion. “Now that we have built a cooperative network with investors from seven countries, we will use this as a foundation to accelerate our entry into the U.S. market and focus on generating tangible results.”
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