Who owns System1 Inc?

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Analyze quarterly positions in System1 with up to 7 years of data, all consolidated into one spreadsheet

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Top investors of System1 stock

Who bought or sold System1 Inc this quarter?

Fund or Company Name Shares Held Valued At Change in Shares As Of Actions
Cannae Holdings 357k $1.1M 0% Mar 2026
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HPM Partners 117k $458k 0% Dec 2025
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Vanguard Group 47k $184k 0% Dec 2025
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Millennium Management 35k $139k -8% Dec 2025
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BlackRock 24k $95k 0% Dec 2025
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Renaissance Technologies 19k $73k 9% Dec 2025
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Geode Capital Management 14k $56k 0% Dec 2025
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Citadel Advisors 13k $50k 27% Dec 2025
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XTX Topco 12k $49k -1% Dec 2025
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State Street Corporation 12k $45k 0% Dec 2025
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FMR 1.1k $4.3k -42% Dec 2025
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Tower Research Capital 988.00 $3.9k 54% Dec 2025
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Group One Trading 663.00 $2.6k -8% Dec 2025
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UBS Group 417.00 $1.6k -4% Dec 2025
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UMA Financial Services 301.00 $910.013300 100% Mar 2026
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Farther Finance Advisors 150.00 $783.000000 0% Mar 2026
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CWM 115.00 $0 -10% Dec 2025
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Bnp Paribas Arbitrage, Snc 86.00 $336.999600 -30% Dec 2025
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SBI Securities 60.00 $235.002000 0% Dec 2025
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Advisor Group Holdings 35.00 $137.000500 0% Dec 2025
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Who sold out of System1?

Fund or Company Name Date Sold Shares Held Valued At
Marshall Wace Sep 2025 36k $255k
Barclays Sep 2025 86.00 $605.001400
NISA Investment Advisors Sep 2025 64.00 $451.001600