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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
351 NATUS MEDICAL INC DEL 1 0 0.00% Call
352 AMKOR TECHNOLOGY INC 1 0 0.00% Put
353 SHUTTERSTOCK INC 18 0 0.00% Call
354 WOLVERINE WORLD WIDE INC 7 0 0.00% Call
355 EVERBANK FINL CORP 1 0 0.00% Call
356 QUIDEL CORP 6 0 0.00% Call
357 UNILIFE CORP NEW 101 0 0.00% Call
358 IDENTIV INC 29 0 0.00% Call
359 MATTSON TECHNOLOGY INC 10 0 0.00%
360 TIM PARTICIPACOES S A 10 0 0.00% Call
361 LSB INDS INC 1 0 0.00% Put
362 MEDALLION FINL CORP 13 0 0.00% Put
363 FIRST MAJESTIC SILVER CORP 3 0 0.00% Call
364 VAALCO ENERGY INC 5 0 0.00% Call
365 UNIVAR INC 1 0 0.00% Call
366 COMPANHIA DE SANEAMENTO BASI 177 0 0.00%
367 INTERCLOUD SYS INC 11 0 0.00% Call
368 TELENAV INC 4 0 0.00% Call
369 FIVE STAR SENIOR LIVING INC 10 0 0.00% Call
370 ANIXTER INTL INC 26 0 0.00% Call
371 EXTERRAN PARTNERS LP 2 0 0.00% Put
372 STAG INDL INC 3 0 0.00% Call
373 COLFAX CORP 19 0 0.00% Call
374 SILICON GRAPHICS INTL CORP 1 0 0.00% Call
375 ACTUANT CORP 2 0 0.00% Call
376 MEREDITH CORP 4 0 0.00% Call
377 GOVERNMENT PPTYS INCOME TR 168 0 0.00% Call
378 CITIZENS FINL GROUP INC 9 0 0.00% Call
379 FLAGSTAR BANCORP INC 5 0 0.00% Put
380 CELLADON CORP 7 0 0.00% Call
381 AEROJET ROCKETDYNE H 31 0 0.00% Call
382 PIONEER ENERGY SVCS CORP 1 0 0.00% Call
383 NEWELL BRANDS INC 9 0 0.00% Call
384 ATHERSYS INC 1 0 0.00% Put
385 PERION NETWORK LTD 1 0 0.00% Put
386 NUVERRA ENVIRONMENTAL SOLUTI 18 0 0.00% Call
387 COEUR MNG INC 32 0 0.00% Call
388 FIRST TR ISE GLOBL COPPR IND 70 0 0.00%
389 DANA INCORPORATED 3 0 0.00% Call
390 CORENERGY INFRASTRUCTURE TR 2 0 0.00% Call
391 REX ENERGY CORPORATION 2 0 0.00% Put
392 INTERPUBLIC GROUP COS INC 2 0 0.00% Put
393 APPLIED MICRO CIRCUITS CORP 5 0 0.00% Call
394 POINTS INTL LTD 81 0 0.00%
395 PIONEER ENERGY SVCS CORP 90 0 0.00%
396 FRANKLIN RES INC 25 0 0.00% Call
397 CASTLIGHT HEALTH INC 14 0 0.00% Call
398 FRONTLINE LTD 16 0 0.00% Put
399 ADVISORSHARES TR 116 0 0.00% Call
400 FEMALE HEALTH CO 1 0 0.00% Put
Page 8 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.