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SIMPLEX TRADING, LLC

CIK
1488542
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,972 positions · $2,794,191,358 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in CERS

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Shares Held

Position Value (USD)

22 quarters on record
Report Date Value (USD) Shares
2026-03-31 $1,439 791
2025-12-31 $24,507 11,897
2025-09-30 $68,764 43,248
2025-06-30 $7,691 5,455
2025-03-31 $40,264 28,967
2024-06-30 $9,845 5,594
2024-03-31 $28,270 14,958
2023-09-30 $6,131 3,785
2023-06-30 $24,900 10,122
2023-03-31 $19,257 6,484
2022-12-31 $115,427 31,624
2022-09-30 $101,923 28,312
2022-06-30 $53,402 10,095
2022-03-31 $22,058 4,018
2021-12-31 $123,472 18,131
2021-09-30 $166,080 27,271
2021-06-30 $161,171 27,271
2021-03-31 $145,748 24,251
2020-12-31 $135,832 19,629
2020-09-30 $175,993 28,114
2020-06-30 $103,521 15,685
2020-03-31 $305,202 65,635