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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 (2015Q3)
Portfolio Summary: 6,775 holdings with a total value of $1,364,151,000.
#
Name
Shares
Value ($)
%
Options
Notes
301 UNITED RENTALS INC 558 783,000 0.06% Put
302 PLATFORM SPECIALTY PRODS COR 61,779 781,000 0.06%
303 BROOKDALE SR LIVING INC 1,156 771,000 0.06% Put
304 DIREXION SHS ETF TR 11,150 770,000 0.06%
305 TARGET CORP 9,780 769,000 0.06%
306 AMERICAN AIRLS GROUP INC 4,582 766,000 0.06% Call
307 STARBUCKS CORP 2,900 766,000 0.06% Call
308 MERCK & CO INC 1,984 766,000 0.06% Put
309 HESS CORP 15,297 765,000 0.06%
310 ALDER BIOPHARMACEUTICALS INC 23,346 764,000 0.06%
311 INTEL CORP 25,070 755,000 0.06%
312 BRISTOL MYERS SQUIBB CO 2,763 747,000 0.05% Put
313 SOLARCITY CORP 17,422 744,000 0.05%
314 CHENIERE ENERGY INC PUT 1,054 744,000 0.05% Put
315 TIME WARNER CABLE INC 773 742,000 0.05% Call
316 PUMA BIOTECHNOLOGY 9,810 739,000 0.05%
317 21VIANET GROUP INC 40,049 732,000 0.05%
318 EMBRAER S A 28,534 729,000 0.05%
319 ZIMMER BIOMET HLDGS INC 7,742 727,000 0.05%
320 PALO ALTO NETWORKS INC 1,137 723,000 0.05% Put
321 ENERGY TRANSFER EQUITY L P 1,237 717,000 0.05% Put
322 DTE ENERGY CO 8,848 711,000 0.05%
323 TRAVELERS COMPANIES INC 7,146 711,000 0.05%
324 MCDONALDS CORP 2,808 700,000 0.05% Call
325 MASTERCARD INCORPORATED 1,262 696,000 0.05% Call
326 PETROLEO BRASILEIRO SA PETRO 1,161 695,000 0.05% Put
327 AMERICAN TOWER CORP NEW 7,898 694,000 0.05%
328 AMBARELLA INC 505 691,000 0.05% Put
329 F5 NETWORKS INC 514 689,000 0.05% Put
330 UNITED STATES NATL GAS FUND 59,015 685,000 0.05%
331 MICROSOFT CORP 3,096 683,000 0.05% Put
332 MOSAIC CO NEW 21,951 682,000 0.05%
333 MICROSOFT CORP 15,429 682,000 0.05%
334 RSX - Market Vectors Russia ETF 43,436 681,000 0.05%
335 AON PLC 7,685 680,000 0.05%
336 KONINKLIJKE PHILIPS N V 28,958 679,000 0.05%
337 POTASH CORP SASK INC 1,250 679,000 0.05% Put
338 PROSHARES TR 1,099 675,000 0.05% Put
339 DELTA AIRLINES INC DEL 14,969 671,000 0.05%
340 SPDR SERIES TRUST 19,606 671,000 0.05%
341 ISHARES 6,647 668,000 0.05% Call
342 OPKO HEALTH INC 942 667,000 0.05% Put
343 YELP INC 30,676 664,000 0.05%
344 ABENGOA YIELD PLC 953 663,000 0.05% Put
345 MEAD JOHNSON NUTRITI 9,355 658,000 0.05%
346 MOLSON COORS BREWING CO 1,970 654,000 0.05% Call
347 MAGNA INTL INC 13,611 653,000 0.05%
348 VISA INC 2,259 653,000 0.05% Put
349 DCP MIDSTREAM LP 27,012 653,000 0.05%
350 Former Charter Communication (Del 5/18/2016) 3,716 653,000 0.05%
Page 7 of 136

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001488542-15-000012, filed 2015.10.08).

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.