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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 (2017Q1)
Portfolio Summary: 7,144 holdings with a total value of $2,310,901,000.
#
Name
Shares
Value ($)
%
Options
Notes
101 DOW CHEM CO 68,591 4,358,000 0.19%
102 PROSHARES TR II 11,756 4,273,000 0.18% Put
103 CIT GROUP INC 98,311 4,220,000 0.18%
104 SPDR SER TR 76,549 4,180,000 0.18%
105 TEVA PHARMACEUTICAL INDS LTD 129,942 4,169,000 0.18%
106 Microsoft Corp Call Opt 01/18 67.5 8,191 4,091,000 0.18% Call
107 BOEING CO 23,070 4,080,000 0.18%
108 TESORO CORP 49,269 3,993,000 0.17%
109 DEVON ENERGY CORP NEW 94,590 3,946,000 0.17%
110 SIGNET JEWELERS LIMITED 56,784 3,933,000 0.17%
111 TESARO INCORPORATED 25,043 3,853,000 0.17%
112 GOLDCORP INC NEW 254,947 3,719,000 0.16%
113 KIMBERLY CLARK CORP 27,803 3,659,000 0.16%
114 ALCOA CORP 105,613 3,633,000 0.16%
115 SCHLUMBERGER LTD 45,908 3,585,000 0.16%
116 BARCLAYS BK PLC 10,518 3,562,000 0.15% Put
117 VALEANT PHARMACEUTICALS INTL 317,899 3,506,000 0.15%
118 VANECK ETF TRUST 151,969 3,466,000 0.15%
119 SELECT SECTOR SPDR TR 22,488 3,463,000 0.15% Call
120 BANK AMER CORP 12,049 3,425,000 0.15% Call
121 JD COM INC 108,344 3,370,000 0.15%
122 LUMENTUM HLDGS INC COM 63,098 3,366,000 0.15%
123 VALE S A 354,136 3,364,000 0.15%
124 PRICELINE GRP INC 1,358 3,300,000 0.14% Put
125 INTUIT 28,279 3,280,000 0.14%
126 MORGAN STANLEY 75,966 3,254,000 0.14%
127 SPDR SERIES TRUST 21,582 3,204,000 0.14% Put
128 NVIDIA CORP 5,248 3,197,000 0.14% Call
129 ADVANCED MICRO DEVICES INC 12,779 3,190,000 0.14% Call
130 SPROUTS FMRS MKT INC 136,729 3,161,000 0.14%
131 TYSON FOODS INC 51,071 3,151,000 0.14%
132 MICROCHIP TECHNOLOGY 42,654 3,147,000 0.14%
133 INCYTE CORP 23,262 3,109,000 0.13%
134 BWX TECHNOLOGIES INC COM 65,273 3,106,000 0.13%
135 UNITED STATES STL CORP NEW 91,592 3,096,000 0.13%
136 VANECK ETF TRUST 85,642 3,081,000 0.13%
137 SPDR GOLD TR 25,799 3,062,000 0.13%
138 ALIBABA GROUP HLDG LTD 7,064 3,062,000 0.13% Call
139 Put FB $140.0 Exp Jun 16, 2017 9,274 2,999,000 0.13% Put
140 CONSTELLATION BRANDS INC 18,128 2,938,000 0.13%
141 ASML HOLDING N V N Y REGISTRY SHS 21,910 2,909,000 0.13%
142 TWITTER INC 193,459 2,892,000 0.13%
143 DISNEY WALT CO 5,343 2,854,000 0.12% Call
144 NETFLIX INC 7,521 2,851,000 0.12% Put
145 SPDR DOW JONES INDL AVRG ETF 5,919 2,838,000 0.12% Call
146 PALO ALTO NETWORKS INC 25,122 2,830,000 0.12%
147 GOLDMAN SACHS GROUP INC 4,364 2,805,000 0.12% Put
148 SALESFORCE COM INC 33,728 2,782,000 0.12%
149 FINISAR CORP 101,183 2,766,000 0.12%
150 GAP 113,519 2,757,000 0.12%
Page 3 of 143

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001488542-17-000008, filed 2017.04.21).

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.