Who owns QUANTUM SI INC?

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Analyze quarterly positions in Quantum Si with up to 7 years of data, all consolidated into one spreadsheet

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Top investors of Quantum Si stock

Who bought or sold QUANTUM SI INC this quarter?

Fund or Company Name Shares Held Valued At Change in Shares As Of Actions
Deerfield Management Company 333k $36k 0% Mar 2026
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Susquehanna International 95k $19k -35% Dec 2025
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Millennium Management 87k $9.5k 0% Mar 2026
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Jane Street 17k $1.8k -2% Mar 2026
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Wolverine Asset Management 15k $1.6k 100% Mar 2026
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UBS Group 2.1k $226.928000 -3% Mar 2026
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Toronto-Dominion Bank 100.00 $11.000000 100% Mar 2026
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