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Institutional Investment Manager
SIMPLEX TRADING, LLC
SIMPLEX TRADING, LLC (CIK: 0001488542) incorporated in Delaware, located at 230 S. Lasalle Street, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q1)
Portfolio Summary: 6,178 holdings with a total value of $859,885,000.
#
Name
Shares
Value ($)
%
Options
Notes
6151 C&J ENERGY SVCS LTD 1 0 0.00% Put
6152 NORTH AMERN PALLADIUM LTD 3 0 0.00% Put
6153 TERADYNE INC 1 0 0.00% Put
6154 DRIL-QUIP INC 9 0 0.00% Call
6155 ADVANCED EMISSIONS SOLUTS IN 1 0 0.00% Put
6156 UMPQUA HLDGS CORP 8 0 0.00%
6157 CADENCE DESIGN SYSTEM INC 1 0 0.00% Put
6158 AU OPTRONICS CORP 28 0 0.00% Call
6159 EXTERRAN PARTNERS LP 1 0 0.00% Put
6160 ISHARES INC 6 0 0.00%
6161 SHAW COMMUNICATIONS INC 1 0 0.00% Call
6162 SURMODICS INC 1 0 0.00% Put
6163 UNUM GROUP 1 0 0.00% Put
6164 FACTSET RESH SYS INC 11 0 0.00% Call
6165 VAPOR CORP NEV COM NEW 22 0 0.00%
6166 IRON MTN INC NEW 12 0 0.00% Call
6167 FIRST MAJESTIC SILVER CORP 13 0 0.00% Call
6168 RENESOLA LTD 42 0 0.00%
6169 BANCO BRADESCO S A 3 0 0.00% Call
6170 SCANA CORP NEW 1 0 0.00% Put
6171 NEW MTN FIN CORP 3 0 0.00% Put
6172 WABASH NATL CORP 8 0 0.00% Call
6173 CORE MARK HOLDING CO INC 3 0 0.00% Call
6174 Hercules Offshore Inc 781 0 0.00%
6175 EPAM SYS INC 1 0 0.00% Call
6176 STEIN MART INC 2 0 0.00% Put
6177 SCHWAB U.S. LARGE-CAP ETF 18 0 0.00%
6178 EXTREME NETWORKS INC 1 0 0.00% Call
Page 124 of 124

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001488542-15-000006, filed 2015.04.21).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.