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SIMPLEX TRADING, LLC - Portfolio Stock Holdings

SIMPLEX TRADING, LLC disclosed 3527 stock positions in a recent SEC 13F filing. $3,182,261,476 of stock holdings were filed, with the largest holdings including NVDA, AMZN, and SPY. This filing represented positions held on March 31, 2026, and was filed on May 14, 2026.

Report Period:

March 31, 2026

No. of Stocks:

3527

Est. Stock Holding Value:

$3,182,261,476

Top Stock Holdings By Sector

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Portfolio Stock Holdings - SIMPLEX TRADING, LLC

Stock
Holdings (Shares)
Holdings (USD)
% of Portfolio
Change (Shares)
Change (USD)
% Change

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Portfolio Options Holdings - SIMPLEX TRADING, LLC

Stock
Type
Holdings (Contracts)
Holdings (USD)
Change (Contracts)
Change (Value)

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Note: Options holding values may be affected by fund filing errors.