GROUP ONE TRADING LLC Q4 2018 Filing

Filed February 6, 2019

Portfolio Value

$11.5B

Holdings

4,844

Report Date

Q4 2018

Filing Type

13F-HR

All Holdings (4,844 positions)

#StockSharesValue% PortfolioType
401
GARDNER DENVER HLDGS INC
27,900$571.0M4.95%Put
402
BKBANK NEW YORK MELLON CORP
12,100$570.0M4.94%Call
403
FIVNFIVE9 INC
12,964$567.0M4.92%
404
PCARPACCAR INC
9,900$566.0M4.91%Call
405
PYXUS INTL INC
47,600$565.0M4.90%Call
406
PEOEXELON CORP
12,518$565.0M4.90%
407
CHINA BIOLOGIC PRODS HLDGS I
7,400$562.0M4.87%Put
408
GRUBHUB INC
7,300$561.0M4.86%Call
409
MCEWEN MNG INC
308,300$561.0M4.86%Put
410
BLUEPRINT MEDICINES CORP
10,400$561.0M4.86%Put
411
EDITEDITAS MEDICINE INC
24,500$557.0M4.83%Put
412
NKENIKE INC
7,500$556.0M4.82%Call
413
GRA1EURGRACE W R & CO DEL NEW
8,552$555.0M4.81%
414
U S G CORP
13,000$555.0M4.81%Put
415
MERITOR INC
32,700$553.0M4.79%Call
416
ZNGAEURZYNGA INC
140,613$553.0M4.79%
417
ANADARKO PETE CORP
12,600$552.0M4.79%Put
418
FSLRFIRST SOLAR INC
13,000$552.0M4.79%Call
419
ALTRA INDL MOTION CORP
21,900$551.0M4.78%Call
420
STWDSTARWOOD PPTY TR INC
27,947$551.0M4.78%
421
VMCVULCAN MATLS CO
5,578$551.0M4.78%
422
TIVO CORP
58,500$550.0M4.77%Call
423
SEASPAN CORP
70,100$549.0M4.76%Put
424
VICRVICOR CORP
14,500$548.0M4.75%Call
425
MBTGBPMOBILE TELESYSTEMS PJSC
78,289$548.0M4.75%
426
YETIYETI HLDGS INC
36,877$547.0M4.74%
427
SBHSALLY BEAUTY HLDGS INC
32,000$546.0M4.73%Put
428
SCORPIO TANKERS INC
309,400$545.0M4.72%Call
429
TURQUOISE HILL RES LTD
329,600$544.0M4.72%Put
430
TRIVAGO N V
96,614$544.0M4.72%
431
SUPNSUPERNUS PHARMACEUTICALS INC
16,357$543.0M4.71%
432
RGRSTURM RUGER & CO INC
10,200$543.0M4.71%Call
433
NYCBEURNEW YORK CMNTY BANCORP INC
57,689$543.0M4.71%
434
ECECOPETROL S A
34,056$541.0M4.69%
435
WHWYNDHAM HOTELS & RESORTS INC
11,895$540.0M4.68%
436
KNDIKANDI TECHNOLOGIES GROUP INC
148,709$540.0M4.68%
437
THERAPEUTICSMD INC
141,634$540.0M4.68%
438
AM6AMICUS THERAPEUTICS INC
56,152$538.0M4.66%
439
HUMHUMANA INC
1,875$537.0M4.66%
440
MACMACERICH CO
12,342$534.0M4.63%
441
FRONTIER COMMUNICATIONS CORP
223,600$532.0M4.61%Call
442
CLWCLEARWATER PAPER CORP
21,800$531.0M4.60%Put
443
CALUMET SPECIALTY PRODS PTNR
239,800$530.0M4.59%Put
444
HOSTESS BRANDS INC
48,400$530.0M4.59%Call
445
TRTN-PATRITON INTL LTD
17,022$529.0M4.59%
446
GOGOGOGO INC
176,500$528.0M4.58%Put
447
ADSKAUTODESK INC
4,100$527.0M4.57%Call
448
PLNTPLANET FITNESS INC
9,800$525.0M4.55%Put
449
PURE STORAGE INC
32,600$524.0M4.54%Call
450
BIGGQBIG LOTS INC
18,088$523.0M4.53%
451
PRUDENTIAL FINL INC
6,400$522.0M4.53%Put
452
WORLD ACCEP CORP DEL
5,100$522.0M4.53%Call
453
USFDUS FOODS HLDG CORP
16,459$521.0M4.52%
454
CENTENNIAL RESOURCE DEV INC
47,300$521.0M4.52%Call
455
DOLLAR GEN CORP NEW
4,800$519.0M4.50%Call
456
ALSALLSTATE CORP
6,265$518.0M4.49%
457
CCEPCOCA COLA EUROPEAN PARTNERS
11,300$518.0M4.49%Call
458
CQPCHENIERE ENERGY PARTNERS LP
14,300$516.0M4.47%Call
459
TECH DATA CORP
6,300$515.0M4.46%Put
460
LGIHLGI HOMES INC
11,399$515.0M4.46%
461
CITIZENS FINL GROUP INC
17,300$514.0M4.46%Call
462
HBANHUNTINGTON BANCSHARES INC
43,128$514.0M4.46%
463
RUTHS HOSPITALITY GROUP INC
22,600$514.0M4.46%Call
464
PLATFORM SPECIALTY PRODS COR
49,400$510.0M4.42%Put
465
NOMDNOMAD FOODS LTD
30,400$508.0M4.40%Put
466
PENNPENN NATL GAMING INC
27,000$508.0M4.40%Call
467
COHERENT INC
4,800$507.0M4.40%Put
468
NGDNEW GOLD INC CDA
668,332$506.0M4.39%
469
HONHONEYWELL INTL INC
3,825$505.0M4.38%
470
MYGNMYRIAD GENETICS INC
17,300$503.0M4.36%Put
471
ELLIE MAE INC
8,000$503.0M4.36%Call
472
PCRXPACIRA PHARMACEUTICALS INC
11,700$503.0M4.36%Put
473
PROOFPOINT INC
6,000$503.0M4.36%Put
474
QUREUNIQURE NV
17,461$503.0M4.36%
475
FLEXFLEX LTD
65,800$501.0M4.34%Call
476
WILDHORSE RESOURCE DEV CORP
35,500$501.0M4.34%Put
477
IMGNEURIMMUNOGEN INC
104,120$500.0M4.33%
478
PIIPOLARIS INDS INC
6,507$499.0M4.33%
479
BXMTBLACKSTONE MTG TR INC
15,661$499.0M4.33%
480
GTT COMMUNICATIONS INC
21,100$499.0M4.33%Put
481
FITBFIFTH THIRD BANCORP
21,200$499.0M4.33%Call
482
EGHT8X8 INC NEW
27,600$498.0M4.32%Call
483
TATA MTRS LTD
40,800$497.0M4.31%Call
484
CREDIT ACCEP CORP MICH
1,300$496.0M4.30%Call
485
PRGOPERRIGO CO PLC
12,800$496.0M4.30%Put
486
ZUORA INC
27,300$495.0M4.29%Put
487
INSMINSMED INC
37,700$495.0M4.29%Put
488
STIFEL FINL CORP
11,900$493.0M4.27%Put
489
ENVESTNET INC
10,000$492.0M4.26%Call
490
ALAIR LEASE CORP
16,300$492.0M4.26%Call
491
AEOAMERICAN EAGLE OUTFITTERS NE
25,400$491.0M4.26%Call
492
LUXOFT HLDG INC
16,100$490.0M4.25%Put
493
WORTHINGTON INDS INC
14,000$488.0M4.23%Put
494
CNDTCONDUENT INC
45,900$488.0M4.23%Call
495
BKEBUCKLE INC
25,200$487.0M4.22%Call
496
DHRDANAHER CORP DEL
4,711$486.0M4.21%
497
RHIRHYTHM TECHNOLOGIES INC
7,000$486.0M4.21%Call
498
AGIOAGIOS PHARMACEUTICALS INC
10,500$484.0M4.20%Put
499
UNITED NAT FOODS INC
45,700$484.0M4.20%Put
500
WPWORLDPAY INC
6,296$481.0M4.17%
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