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Photo of Mark Tompkins
Individual Investor

Mark Tompkins

Overview

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Number of Portfolio Companies 1
Number of Exits 
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  • Gender Male
  • Investor Type 
    obfuscation
  • Number of Exits 
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Personal Investments

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Number of Investments 2
Mark Tompkins has made 2 investments. Their latest investment was Funding Round - Deep Fission on
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, when Deep Fission raised
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.
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Deep Fission Logo
Deep Fission
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Funding Round - Deep Fission Logo
Funding Round - Deep Fission
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Deep Fission Logo
Deep Fission
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Funding Round - Deep Fission Logo
Funding Round - Deep Fission
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Exits

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Number of Exits 
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Mark Tompkins has
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exit - Deep Fission. Mark Tompkins has
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exits. Their most notable exits are Deep Fission.
  • Deep Fission Logo
    Deep Fission Deep Fission is transforming the energy landscape by installing modular nuclear power reactors a mile deep.

Recent News and Activity

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Funding Round•Feb 10, 2026
Deep Fission raised
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from Blue Owl and 2 other investors
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Funding Round•Sep 8, 2025
Deep Fission raised
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from 8VC and 4 other investors
Discover more funding rounds
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