GROUP ONE TRADING LLC Q1 2017 Filing

Filed May 10, 2017

Portfolio Value

$8.6B

Holdings

4,605

Report Date

Q1 2017

Filing Type

13F-HR

All Holdings (4,605 positions)

#StockSharesValue% PortfolioType
301
WATERSTONE FINL INC MD
37,000$675.0M7.86%Call
302
HSBCHSBC HLDGS PLC
16,500$674.0M7.85%Call
303
LULULULULEMON ATHLETICA INC
13,000$674.0M7.85%Put
304
PDC ENERGY INC
10,800$673.0M7.84%Call
305
KNKNOWLES CORP
35,500$673.0M7.84%Call
306
CURRENCYSHARES EURO TR
6,500$672.0M7.82%Put
307
DUKDUKE ENERGY CORP NEW
8,200$672.0M7.82%Call
308
OLNOLIN CORP
20,379$670.0M7.80%
309
LRCXEURLAM RESEARCH CORP
5,220$670.0M7.80%
310
ALLIANCEBERNSTEIN HOLDING LP
29,300$670.0M7.80%Call
311
SG7SAGE THERAPEUTICS INC
9,430$670.0M7.80%
312
NEW YORK CMNTY BANCORP INC
47,900$669.0M7.79%Call
313
PROOFPOINT INC
9,000$669.0M7.79%Put
314
ONEOK PARTNERS LP
12,400$669.0M7.79%Put
315
MICHAEL KORS HLDGS LTD
17,517$668.0M7.78%
316
ORCLORACLE CORP
14,953$667.0M7.77%
317
LWLAMB WESTON HLDGS INC
15,800$665.0M7.74%Call
318
IMPAX LABORATORIES INC
52,400$663.0M7.72%Put
319
CBRECBRE GROUP INC
19,000$661.0M7.70%Call
320
YAMANA GOLD INC
238,900$659.0M7.67%Call
321
ASCENA RETAIL GROUP INC
154,400$658.0M7.66%Put
322
DENBURY RES INC
254,900$658.0M7.66%Put
323
CAPITAL PRODUCT PARTNERS L P
184,100$657.0M7.65%Call
324
CRAICRA INTL INC
18,600$657.0M7.65%Put
325
SASEABRIDGE GOLD INC
59,700$657.0M7.65%Put
326
ALKSALKERMES PLC
11,145$652.0M7.59%
327
SIRIEURSIRIUS XM HLDGS INC
126,693$652.0M7.59%
328
EP ENERGY CORP
137,200$652.0M7.59%Call
329
SIMOSILICON MOTION TECHNOLOGY CO
13,933$651.0M7.58%
330
AMC ENTMT HLDGS INC
20,600$648.0M7.54%Call
331
CBRECBRE GROUP INC
18,600$647.0M7.53%Put
332
HCIHCI GROUP INC
14,200$647.0M7.53%Call
333
SOTHEBYS
14,200$646.0M7.52%Put
334
PATTERN ENERGY GROUP INC
32,100$646.0M7.52%Call
335
VEEVA SYS INC
12,600$646.0M7.52%Call
336
AFLAFLAC INC
8,900$645.0M7.51%Call
337
CYHCOMMUNITY HEALTH SYS INC NEW
72,700$645.0M7.51%Call
338
ZOGENIX INC
59,200$642.0M7.47%Put
339
COTYCOTY INC
35,400$642.0M7.47%Call
340
MARMARRIOTT INTL INC NEW
6,800$640.0M7.45%Put
341
PRESTIGE BRANDS HLDGS INC
11,500$639.0M7.44%Call
342
HOLXHOLOGIC INC
15,000$638.0M7.43%Call
343
TRITON INTL LTD
24,600$634.0M7.38%Put
344
APPLIED MATLS INC
16,300$634.0M7.38%Call
345
THCTENET HEALTHCARE CORP
35,800$634.0M7.38%Put
346
ATIALLEGHENY TECHNOLOGIES INC
35,300$634.0M7.38%Put
347
ARCPEURVEREIT INC
74,534$633.0M7.37%
348
PBYIPUMA BIOTECHNOLOGY INC
17,000$632.0M7.36%Call
349
CAMPBELL SOUP CO
11,000$630.0M7.33%Call
350
DUNKIN BRANDS GROUP INC
11,500$629.0M7.32%Put
351
ZENDESK INC
22,400$628.0M7.31%Call
352
BNSBANK N S HALIFAX
10,700$627.0M7.30%Put
353
SASEABRIDGE GOLD INC
56,900$626.0M7.29%Call
354
UNITUNITI GROUP INC
24,200$626.0M7.29%Call
355
BIIBBIOGEN INC
2,281$624.0M7.27%
356
GLOBAL BLOOD THERAPEUTICS IN
16,900$623.0M7.25%Put
357
BFHALLIANCE DATA SYSTEMS CORP
2,500$623.0M7.25%Call
358
NOVEURNATIONAL OILWELL VARCO INC
15,540$623.0M7.25%
359
DHID R HORTON INC
18,700$623.0M7.25%Put
360
TAHOE RES INC
77,400$622.0M7.24%Put
361
DXCMDEXCOM INC
7,300$619.0M7.21%Call
362
GLOBAL EAGLE ENTMT INC
194,100$619.0M7.21%Put
363
EXPRESS INC
67,800$618.0M7.20%Call
364
KANSAS CITY SOUTHERN
7,200$617.0M7.18%Call
365
ROYAL BK SCOTLAND GROUP PLC
101,600$617.0M7.18%Put
366
CHKPCHECK POINT SOFTWARE TECH LT
6,000$616.0M7.17%Call
367
OCCIDENTAL PETE CORP DEL
9,700$615.0M7.16%Call
368
EPDENTERPRISE PRODS PARTNERS L
22,248$614.0M7.15%
369
CORTCORCEPT THERAPEUTICS INC
55,800$612.0M7.13%Call
370
FAIRMOUNT SANTROL HLDGS INC
83,500$612.0M7.13%Call
371
DELPHI AUTOMOTIVE PLC
7,600$612.0M7.13%Call
372
FOUNDATION MEDICINE INC
18,900$610.0M7.10%Call
373
PENN WEST PETE LTD NEW
358,400$609.0M7.09%Put
374
DYHTARGET CORP
11,032$609.0M7.09%
375
RDNRADIAN GROUP INC
33,856$608.0M7.08%
376
NUENUCOR CORP
10,179$608.0M7.08%
377
SWKSSKYWORKS SOLUTIONS INC
6,200$607.0M7.07%Put
378
FANGDIAMONDBACK ENERGY INC
5,819$604.0M7.03%
379
SIMOSILICON MOTION TECHNOLOGY CO
12,900$603.0M7.02%Put
380
PIIPOLARIS INDS INC
7,200$603.0M7.02%Put
381
LKQ CORP
20,600$603.0M7.02%Call
382
GBYSANGAMO THERAPEUTICS INC
115,815$602.0M7.01%
383
PINNACLE ENTMT INC NEW
30,700$599.0M6.97%Put
384
GUESS INC
53,700$599.0M6.97%Put
385
ORBITAL ATK INC
6,100$598.0M6.96%Call
386
ATIALLEGHENY TECHNOLOGIES INC
33,200$596.0M6.94%Call
387
INTCINTEL CORP
16,517$596.0M6.94%
388
LIQUIDITY SERVICES INC
74,400$595.0M6.93%Put
389
WORTHINGTON INDS INC
13,200$595.0M6.93%Put
390
GGBGERDAU S A
171,600$592.0M6.89%Put
391
NWLNEWELL BRANDS INC
12,555$592.0M6.89%
392
MARVELL TECHNOLOGY GROUP LTD
38,800$592.0M6.89%Call
393
MERRIMACK PHARMACEUTICALS IN
192,300$592.0M6.89%Put
394
PLDPROLOGIS INC
11,400$591.0M6.88%Put
395
VALLEY NATL BANCORP
50,000$590.0M6.87%Put
396
NOWSERVICENOW INC
6,738$589.0M6.86%
397
LAZARD LTD
12,800$589.0M6.86%Call
398
MOALTRIA GROUP INC
8,200$586.0M6.82%
399
IRDMIRIDIUM COMMUNICATIONS INC
60,700$586.0M6.82%Put
400
SCCOSOUTHERN COPPER CORP
16,300$585.0M6.81%Put
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