SIMPLEX TRADING, LLC
Q1 2026 13F Holdings
Location
Chicago, IL
Holdings as of
3/31/2026
Value
$149B
Value excl. options
$3.23B
Num holdings
8,927
Date filed
5/14/2026
Form type
13F-HR
Prev filing
2/11/2026
Next filing
8/12/2026
SEC
View on sec.gov
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Sym
Issuer Name
Cl
CUSIP
Value ($000)
% Excl. Options
Shares
Principal
Option Type