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Deep Fission (FISN) opens at $16, IPO priced at $16

June 18, 2026 10:51 AM EDT
(Updated - June 18, 2026 10:53 AM EDT)

Shares of Deep Fission (FISN) opened for trading at $16 on Thursday, in line with the company's IPO pricing of $16 per share.

  • The company priced an offering of 2,500,000 shares raising $40 million in proceeds.


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