TSMC Sells Remaining Arm Shares for $231M

TSMC has completed the sale of its remaining stake in Arm, netting approximately $231 million from the transaction. This sale was executed by its subsidiary, TSMC Partners, which offloaded 1.11 million shares valued at $207.65 each on April 28 and 29, 2026. TSMC initially invested $100 million in Arm during its IPO in 2023, acquiring shares at $51 each. This divestment follows a series of gradual stake reductions, including a $102 million sale of 850,000 shares in 2024 and mirrors similar moves by Nvidia and Intel, who also sold off their interests in Arm recently.

The strategic divestment by TSMC signals a significant shift in its investment strategy, moving away from equity stakes in external chip designers like Arm. With Arm's shares falling by about eight percent following TSMC's announcement, the implications of this shift could indicate a growing dependency on foreign chip technologies, potentially undermining sovereignty in semiconductor design. This trend may affect the competitiveness and autonomy of national AI and computing strategies, requiring countries to adapt their investment strategies in critical technology sectors.