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System1 shares owned by Group One Trading

Quarter-by-quarter ownership of System1 (SST) shares owned by Group One Trading from 13F filings

Historical chart of Group One Trading investment in System1

Tip: Access up to 7 years of quarterly data

All positions including System1 held by Group One Trading consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in System1 by Group One Trading

Quarter filed Position value Share count Share price at filing
2025-09-30 $5.1k 721 7.04
2025-06-30 $12k 2.1k 5.53

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Strategy Cl A New Call Option
Nvidia Corp option Call Option
Meta Platforms Cl A Put Option
Microsoft Corp Call Option
Robinhood Mkts Com Cl A Call Option
Apple Inc option Call Option
Tesla Motors Inc cmn Put Option
Lilly Eli & Co option Call Option
Iren Ordinary Shares Put Option
Iren Ordinary Shares Call Option

View all positions for Group One Trading

Top funds holding System1

Cannae Holdings
HPM Partners
Vanguard Group
Millennium Management
Marshall Wace
BlackRock
Renaissance Technologies
Geode Capital Management
XTX Topco
State Street Corporation
Citadel Advisors
FMR
Royal Bank of Canada
Group One Trading
Tower Research Capital

View all funds holding System1