GROUP ONE TRADING LLC Q1 2018 Filing

Filed May 11, 2018

Portfolio Value

$10.5T

Holdings

4,806

Report Date

Q1 2018

Filing Type

13F-HR

All Holdings (4,806 positions)

#StockSharesValue% PortfolioType
301
OFFICE DEPOT INC
310,800$668.0M0.01%Call
302
VNET21VIANET GROUP INC
96,400$668.0M0.01%Put
303
ZTSZOETIS INC
8,000$668.0M0.01%Put
304
TEOTELECOM ARGENTINA S A
1,100$666.0M0.01%Call
305
GRMNGARMIN LTD
11,300$666.0M0.01%Call
306
BANCBANC OF CALIFORNIA INC
34,400$664.0M0.01%Put
307
ZTOZTO EXPRESS CAYMAN INC
44,300$664.0M0.01%Put
308
EEFTEURONET WORLDWIDE INC
8,400$663.0M0.01%Put
309
LNCLINCOLN NATL CORP IND
9,063$662.0M0.01%
310
ROCKWELL COLLINS INC
4,900$661.0M0.01%Call
311
SUNSUNOCO LP
25,897$661.0M0.01%
312
GRUBHUB INC
6,500$660.0M0.01%Call
313
GRMNGARMIN LTD
11,200$660.0M0.01%Put
314
SIBANYE STILLWATER
164,700$657.0M0.01%Put
315
MCDMCDONALDS CORP
4,200$657.0M0.01%Put
316
SPIRIT AIRLS INC
17,400$657.0M0.01%Call
317
WHITING PETE CORP NEW
19,400$657.0M0.01%Call
318
CODICOMPASS DIVERSIFIED HOLDINGS
400$656.0M0.01%Put
319
CVICVR ENERGY INC
21,700$656.0M0.01%Put
320
AVAVAEROVIRONMENT INC
14,400$655.0M0.01%Call
321
GPROGOPRO INC
136,739$655.0M0.01%
322
VASCO DATA SEC INTL INC
50,600$655.0M0.01%Call
323
PINNACLE FINL PARTNERS INC
10,200$655.0M0.01%Call
324
HD SUPPLY HLDGS INC
17,200$653.0M0.01%Put
325
ENDO INTL PLC
109,800$652.0M0.01%Call
326
PARSLEY ENERGY INC
22,500$652.0M0.01%Call
327
CORTCORCEPT THERAPEUTICS INC
39,600$651.0M0.01%Put
328
CRSPCRISPR THERAPEUTICS AG
14,193$649.0M0.01%
329
UNITED NAT FOODS INC
15,100$648.0M0.01%Call
330
PARTY CITY HOLDCO INC
41,500$647.0M0.01%Call
331
GENWORTH FINL INC
228,500$647.0M0.01%Call
332
ENTAENANTA PHARMACEUTICALS INC
8,000$647.0M0.01%Call
333
CHIMERA INVT CORP
37,100$646.0M0.01%Call
334
LHC GROUP INC
10,500$646.0M0.01%Call
335
CANTEL MEDICAL CORP
5,800$646.0M0.01%Put
336
SFIXSTITCH FIX INC
31,800$645.0M0.01%Put
337
IOVAIOVANCE BIOTHERAPEUTICS INC
38,100$644.0M0.01%Call
338
BIOHAVEN PHARMACTL HLDG CO L
25,000$644.0M0.01%Call
339
QUREUNIQURE NV
27,400$644.0M0.01%Call
340
PAYCPAYCOM SOFTWARE INC
6,000$644.0M0.01%Call
341
UALUNITED CONTL HLDGS INC
9,249$643.0M0.01%
342
PEGAPEGASYSTEMS INC
10,600$643.0M0.01%Put
343
HDHOME DEPOT INC
3,600$642.0M0.01%Call
344
DVNDEVON ENERGY CORP NEW
20,200$642.0M0.01%Call
345
CENTURY CMNTYS INC
21,400$641.0M0.01%Put
346
AERIE PHARMACEUTICALS INC
11,800$640.0M0.01%Put
347
GOOSCANADA GOOSE HOLDINGS INC
19,112$639.0M0.01%
348
CEDAR FAIR L P
100$639.0M0.01%Call
349
FLOFLOWERS FOODS INC
29,200$638.0M0.01%Put
350
TJX COS INC NEW
7,800$636.0M0.01%Put
351
DLBDOLBY LABORATORIES INC
10,000$636.0M0.01%Put
352
BANCORPSOUTH BK TUPELO MISS
200$636.0M0.01%Put
353
7HPHP INC
29,027$636.0M0.01%
354
TTETOTAL S A
11,000$635.0M0.01%Put
355
SEESEALED AIR CORP NEW
14,825$634.0M0.01%
356
FIVNFIVE9 INC
21,200$632.0M0.01%Call
357
INTREXON CORP
41,204$632.0M0.01%
358
SANDRIDGE PERMIAN TR
332,400$632.0M0.01%Put
359
SERVICE CORP INTL
16,700$630.0M0.01%Put
360
PRTAPROTHENA CORP PLC
17,159$630.0M0.01%
361
MEET GROUP INC
301,141$629.0M0.01%
362
MDXGMIMEDX GROUP INC
90,188$629.0M0.01%
363
GLOBUS MED INC
12,600$628.0M0.01%Put
364
FLEETCOR TECHNOLOGIES INC
3,100$628.0M0.01%Put
365
TRUTRANSUNION
11,000$625.0M0.01%Call
366
FVICHFFORTUNA SILVER MINES INC
119,929$625.0M0.01%
367
NENOBLE CORP PLC
168,115$624.0M0.01%
368
KIMCO RLTY CORP
43,300$624.0M0.01%Call
369
KANDI TECHNOLOGIES GROUP INC
128,500$623.0M0.01%Call
370
ABBOTT LABS
10,400$623.0M0.01%Call
371
XXII22ND CENTY GROUP INC
265,055$623.0M0.01%
372
COEUR MNG INC
77,700$622.0M0.01%Put
373
URIUNITED RENTALS INC
3,600$622.0M0.01%Call
374
NGNOVAGOLD RES INC
143,117$620.0M0.01%
375
YRDYIRENDAI LTD
15,400$620.0M0.01%Put
376
ABB LTD
26,100$620.0M0.01%Put
377
SKTTANGER FACTORY OUTLET CTRS I
28,200$620.0M0.01%Call
378
TOLTOLL BROTHERS INC
14,300$618.0M0.01%Put
379
AMERICAN OUTDOOR BRANDS CORP
59,800$617.0M0.01%Call
380
ALLALLSTATE CORP
6,500$616.0M0.01%Call
381
WABASH NATL CORP
29,600$616.0M0.01%Call
382
RUNSUNRUN INC
68,900$615.0M0.01%Put
383
CVNACARVANA CO
26,800$615.0M0.01%Put
384
ACCELERATE DIAGNOSTICS INC
26,887$614.0M0.01%
385
SORL AUTO PTS INC
94,100$613.0M0.01%Call
386
ENTGENTEGRIS INC
17,600$612.0M0.01%Call
387
DDR CORP
83,500$612.0M0.01%Call
388
NXSTNEXSTAR MEDIA GROUP INC
9,200$612.0M0.01%Put
389
WLKWESTLAKE CHEM CORP
5,500$611.0M0.01%Call
390
DCP MIDSTREAM LP
17,400$611.0M0.01%Call
391
ORBITAL ATK INC
4,600$610.0M0.01%Call
392
MASMASCO CORP
15,085$610.0M0.01%
393
PANDORA MEDIA INC
121,100$609.0M0.01%Call
394
CITIZENS FINL GROUP INC
14,500$609.0M0.01%Put
395
ZENDESK INC
12,700$608.0M0.01%Call
396
CYTKCYTOKINETICS INC
84,500$608.0M0.01%Put
397
NOVAGOLD RES INC
140,100$607.0M0.01%Call
398
RENREN INC
72,300$607.0M0.01%Put
399
NATNORDIC AMERICAN TANKERS LIMI
311,514$604.0M0.01%
400
CWHCAMPING WORLD HLDGS INC
18,696$603.0M0.01%
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