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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
451 HERON THERAPEUTICS INC 586 495,000 0.04% Put
452 CVS HEALTH CORP 865 495,000 0.04% Put
453 SEAGATE TECHNOLOGY PLC 11,012 493,000 0.04%
454 WHITING PETE CORP NEW 32,260 492,000 0.04%
455 SEADRILL LIMITED 411 490,000 0.04% Put
456 SOUTHERN CO 10,974 490,000 0.04%
457 UNIVERSAL HLTH SVCS INC 3,920 489,000 0.04%
458 MORGAN STANLEY 754 489,000 0.04% Put
459 BUFFALO WILD WINGS INC 187 484,000 0.04% Call
460 ASML HOLDING N V N Y REGISTRY SHS 5,500 483,000 0.04%
461 TETRAPHASE PHARMACEUTICALS I 524 482,000 0.04% Put
462 PROSHARES TR 5,226 482,000 0.04%
463 ISHARES TR 12,496 482,000 0.04%
464 SELECT SECTOR SPDR TR 11,107 480,000 0.04%
465 PHILLIPS 66 770 477,000 0.03% Call
466 Pinnacle Entertainment 14,108 477,000 0.03%
467 BRISTOL MYERS SQUIBB CO 3,387 473,000 0.03% Call
468 GENESEE AND WYOMING INC INC CL A 7,957 470,000 0.03%
469 DELTA AIR LINES INC DEL 2,043 469,000 0.03% Put
470 GARMIN LTD 13,028 467,000 0.03%
471 TIME WARNER INC 576 467,000 0.03% Put
472 INTERXION HOLDING N.V 17,274 467,000 0.03%
473 ILLUMINA INC 227 465,000 0.03% Put
474 ADOBE INC 5,653 464,000 0.03%
475 LOGMEIN INC 420 462,000 0.03% Call
476 TAIWAN SEMICONDUCTOR MFG LTD 22,237 461,000 0.03%
477 UNITED RENTALS INC 7,688 461,000 0.03%
478 ALEXION PHARMACEUTICALS INC 618 461,000 0.03% Put
479 CONAGRA BRANDS INC 11,330 458,000 0.03%
480 Call JNJ $125.0 Exp May 19, 2017 2,169 457,000 0.03% Call
481 HERON THERAPEUTICS INC COM 18,652 455,000 0.03%
482 ISHARES TR 17,450 455,000 0.03%
483 COOPER COS INC 3,063 455,000 0.03%
484 SPDR SERIES TRUST 6,037 455,000 0.03% Call
485 WHIRLPOOL CORP 350 455,000 0.03% Put
486 RAYMOND JAMES FINANC 9,151 454,000 0.03%
487 GENERAL ELECTRIC CO 1,841 450,000 0.03% Put
488 3M CO 1,412 449,000 0.03% Put
489 MARRIOTT INTL INC NEW 6,596 449,000 0.03%
490 DANAHER CORP DEL 5,258 448,000 0.03%
491 PACKAGING CORP AMER 7,432 447,000 0.03%
492 ROYAL DUTCH SHELL PLC 529 446,000 0.03% Put
493 ISHARES TR 3,249 443,000 0.03%
494 TERADATA CORP DEL 15,273 442,000 0.03%
495 TEREX CORP NEW 24,629 441,000 0.03%
496 HCA HOLDINGS INC 1,158 440,000 0.03% Put
497 UNION PAC CORP 1,611 439,000 0.03% Call
498 PAYPAL HLDGS INC 1,150 437,000 0.03% Put
499 NUSTAR ENERGY LP 9,743 436,000 0.03%
500 MOTOROLA SOLUTIONS INC 6,379 436,000 0.03%
Page 10 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.