GROUP ONE TRADING LLC Q1 2016 Filing

Filed May 12, 2016

Portfolio Value

$7.1T

Holdings

4,548

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (4,548 positions)

#StockSharesValue% PortfolioType
301
CISCO SYS INC
23,900$680.0M0.01%Put
302
WHOLE FOODS MKT INC
21,800$678.0M0.01%Call
303
CQPCHENIERE ENERGY PARTNERS LP
23,400$675.0M0.01%Put
304
LINEAR TECHNOLOGY CORP
15,100$673.0M0.01%Put
305
TAL INTL GROUP INC
43,500$672.0M0.01%Put
306
RDNRADIAN GROUP INC
54,000$670.0M0.01%Call
307
SILVER WHEATON CORP
40,400$670.0M0.01%Call
308
MELLANOX TECHNOLOGIES LTD
12,300$668.0M0.01%Call
309
LEALEAR CORP
6,000$667.0M0.01%Call
310
ASCENA RETAIL GROUP INC
60,188$666.0M0.01%
311
FLOFLOWERS FOODS INC
35,900$663.0M0.01%Call
312
PRLBPROTO LABS INC
8,600$663.0M0.01%Call
313
PIONEER NAT RES CO
4,700$661.0M0.01%Call
314
IAC INTERACTIVECORP
14,000$659.0M0.01%Call
315
BLDRBUILDERS FIRSTSOURCE INC
58,486$659.0M0.01%
316
PARTY CITY HOLDCO INC
43,800$659.0M0.01%Put
317
DONNELLEY R R & SONS CO
40,100$658.0M0.01%Call
318
OCLARO INC
121,800$658.0M0.01%Call
319
NORTHSTAR RLTY FIN CORP
50,092$657.0M0.01%
320
CRMSALESFORCE COM INC
8,900$657.0M0.01%Put
321
DISH NETWORK CORP
14,200$657.0M0.01%Call
322
ARANTERO RES CORP
26,400$657.0M0.01%Call
323
EOG RES INC
9,000$653.0M0.01%Put
324
GRMNGARMIN LTD
16,300$651.0M0.01%Call
325
LRCXLAM RESEARCH CORP
7,800$644.0M0.01%Put
326
ELLIS PERRY INTL INC
34,900$643.0M0.01%Call
327
CIMPRESS N V
7,094$643.0M0.01%
328
BROCADE COMMUNICATIONS SYS I
60,700$642.0M0.01%Call
329
CIKCREDIT SUISSE GROUP
45,459$642.0M0.01%
330
LUMINEX CORP DEL
33,100$642.0M0.01%Put
331
TEXAS CAPITAL BANCSHARES INC
16,700$641.0M0.01%Call
332
MEDICINES CO
20,100$639.0M0.01%Call
333
ZELTIQ AESTHETICS INC
23,500$638.0M0.01%Call
334
PTCTPTC THERAPEUTICS INC
99,100$638.0M0.01%Put
335
SNXSYNNEX CORP
6,900$637.0M0.01%Put
336
NVSNOVARTIS A G
8,800$637.0M0.01%Call
337
SECOND SIGHT MED PRODS INC
131,900$637.0M0.01%Call
338
TITAN PHARMACEUTICALS INC DE
133,000$637.0M0.01%Call
339
IDREAMSKY TECHNOLOGY LIMITED
46,300$636.0M0.01%Call
340
IRWDIRONWOOD PHARMACEUTICALS INC
58,000$635.0M0.01%Call
341
PTCTPTC THERAPEUTICS INC
98,500$634.0M0.01%Call
342
PEPPEPSICO INC
6,179$633.0M0.01%
343
ATMEL CORP
78,000$633.0M0.01%Put
344
KGCKINROSS GOLD CORP
185,800$632.0M0.01%Put
345
NUSNU SKIN ENTERPRISES INC
16,500$631.0M0.01%Call
346
VANTIV INC
11,700$630.0M0.01%Call
347
OHR PHARMACEUTICAL INC
196,200$630.0M0.01%Put
348
KCG HLDGS INC
52,700$630.0M0.01%Put
349
RGRSTURM RUGER & CO INC
9,200$629.0M0.01%Put
350
NEONODE INC
308,400$629.0M0.01%Call
351
CNO FINL GROUP INC
35,000$627.0M0.01%Call
352
STRAIGHT PATH COMMUNICATNS I
20,100$624.0M0.01%Put
353
AMERICAN AXLE & MFG HLDGS IN
40,500$623.0M0.01%Call
354
PLDPROLOGIS INC
14,100$623.0M0.01%Put
355
SEASPAN CORP
33,948$623.0M0.01%
356
GDDYGODADDY INC
19,200$621.0M0.01%Put
357
GONGERON CORP
212,390$620.0M0.01%
358
NORTHSTAR ASSET MGMT GROUP I
54,600$620.0M0.01%Call
359
FOOT LOCKER INC
9,600$619.0M0.01%Put
360
TWXCHFTIME WARNER INC
8,516$618.0M0.01%
361
MEDICAL PPTYS TRUST INC
47,500$617.0M0.01%Call
362
GREENBRIER COS INC
22,300$616.0M0.01%Call
363
ABIOMED INC
6,500$616.0M0.01%Put
364
AMERICAN CAPITAL AGENCY CORP
33,000$615.0M0.01%Call
365
AMGEN INC
4,101$615.0M0.01%
366
SPARK THERAPEUTICS INC
20,800$614.0M0.01%Put
367
RDWRRADWARE LTD
51,798$613.0M0.01%
368
ORGANOVO HLDGS INC
281,400$611.0M0.01%Put
369
RNGRINGCENTRAL INC
38,700$610.0M0.01%Call
370
DHTDHT HOLDINGS INC
105,700$609.0M0.01%Put
371
ALAMOS GOLD INC NEW
115,100$609.0M0.01%Put
372
LKQ CORP
19,000$607.0M0.01%Call
373
NATNORDIC AMERICAN TANKERS LIMI
43,100$607.0M0.01%Put
374
TETRAPHASE PHARMACEUTICALS I
130,800$606.0M0.01%Call
375
PSXPHILLIPS 66
7,000$606.0M0.01%Put
376
IVZINVESCO LTD
19,700$606.0M0.01%Put
377
MARVELL TECHNOLOGY GROUP LTD
58,700$605.0M0.01%Put
378
SHELL MIDSTREAM PARTNERS L P
16,500$604.0M0.01%Put
379
MARKETO INC
30,700$601.0M0.01%Put
380
AXIALL CORP
27,500$601.0M0.01%Call
381
GERNGERON CORP
205,600$600.0M0.01%Call
382
SUPNSUPERNUS PHARMACEUTICALS INC
39,300$599.0M0.01%Put
383
ZDJ2 GLOBAL INC
9,700$597.0M0.01%Call
384
JBLJABIL CIRCUIT INC
31,000$597.0M0.01%Put
385
SUPERIOR ENERGY SVCS INC
44,500$596.0M0.01%Call
386
ROYAL BK SCOTLAND GROUP PLC
93,230$595.0M0.01%
387
AQLTISHARES TR
6,500$594.0M0.01%Call
388
RDWRRADWARE LTD
50,000$592.0M0.01%Put
389
ALERE INC
11,700$592.0M0.01%Call
390
ACHILLION PHARMACEUTICALS IN
76,489$591.0M0.01%
391
NUANCE COMMUNICATIONS INC
31,600$591.0M0.01%Put
392
STONEMOR PARTNERS L P
24,200$590.0M0.01%Put
393
PSIVIDA CORP
220,000$590.0M0.01%Call
394
LIFELOCK INC
48,700$588.0M0.01%Call
395
FUELCELL ENERGY INC
86,900$588.0M0.01%Put
396
PCARPACCAR INC
10,700$585.0M0.01%Put
397
FINISH LINE INC
27,600$582.0M0.01%Call
398
ARENA PHARMACEUTICALS INC
295,400$582.0M0.01%Call
399
NEW ORIENTAL ED & TECH GRP I
16,800$581.0M0.01%Put
400
SILVER STD RES INC
104,600$581.0M0.01%Put
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