GROUP ONE TRADING LLC Q2 2019 Filing

Filed August 9, 2019

Portfolio Value

$11.1B

Holdings

4,933

Report Date

Q2 2019

Filing Type

13F-HR

All Holdings (4,933 positions)

#StockSharesValue% PortfolioType
401
DOWDOW INC
12,000$592.0M5.36%Put
402
PROSPECT CAPITAL CORPORATION
90,500$591.0M5.35%Call
403
SINCLAIR BROADCAST GROUP INC
11,000$590.0M5.34%Call
404
ETFIS SER TR I
105,855$590.0M5.34%
405
BECNUSDBEACON ROOFING SUPPLY INC
16,057$590.0M5.34%
406
SFIXSTITCH FIX INC
18,440$590.0M5.34%
407
DCP MIDSTREAM LP
20,100$589.0M5.33%Call
408
GWREGUIDEWIRE SOFTWARE INC
5,800$588.0M5.32%Call
409
APHRIA INC
83,900$588.0M5.32%Put
410
VNET21VIANET GROUP INC
75,300$587.0M5.31%Put
411
NABORS INDUSTRIES LTD
202,200$586.0M5.30%Call
412
KGCKINROSS GOLD CORP
151,007$586.0M5.30%
413
ROSTROSS STORES INC
5,900$585.0M5.29%Call
414
BGC PARTNERS INC
111,900$585.0M5.29%Put
415
GOOSCANADA GOOSE HOLDINGS INC
15,100$585.0M5.29%Put
416
FITBIT INC
132,800$584.0M5.28%Put
417
NOMDNOMAD FOODS LTD
27,300$583.0M5.28%Call
418
AMERIGAS PARTNERS L P
16,700$582.0M5.27%Call
419
AIRGAIRGAIN INC
41,100$582.0M5.27%Call
420
PBIPITNEY BOWES INC
135,403$580.0M5.25%
421
INDEPENDENT BANK CORP MICH
26,500$577.0M5.22%Call
422
REALPAGE INC
9,800$577.0M5.22%Put
423
FLY LEASING LTD
33,100$576.0M5.21%Call
424
VECTOR GROUP LTD
59,000$575.0M5.20%Call
425
DICKS SPORTING GOODS INC
16,600$575.0M5.20%Put
426
HLXHELIX ENERGY SOLUTIONS GRP I
66,600$575.0M5.20%Put
427
ADTRAN INC
37,500$572.0M5.18%Call
428
ACCELERATE DIAGNOSTICS INC
24,900$570.0M5.16%Call
429
ZYNERBA PHARMACEUTICALS INC
42,100$570.0M5.16%Put
430
SPIRIT AEROSYSTEMS HLDGS INC
7,000$570.0M5.16%Put
431
DKSDICKS SPORTING GOODS INC
16,445$569.0M5.15%
432
ESTCELASTIC N V
7,600$567.0M5.13%Call
433
CLWCLEARWATER PAPER CORP
30,665$567.0M5.13%
434
TALEND S A
14,700$567.0M5.13%Call
435
GRA1EURGRACE W R & CO DEL NEW
7,438$566.0M5.12%
436
AESAES CORP
33,800$566.0M5.12%Call
437
CPSSCONSUMER PORTFOLIO SVCS INC
148,800$565.0M5.11%Call
438
TEN1TENNECO INC
50,984$565.0M5.11%
439
CDKCDK GLOBAL INC
11,417$564.0M5.10%
440
SUNSUNOCO LP
18,000$563.0M5.09%Put
441
NIC INC
35,100$563.0M5.09%Call
442
CXWCORECIVIC INC
27,100$563.0M5.09%Put
443
ESPRESPERION THERAPEUTICS INC NE
12,078$562.0M5.09%
444
WESTROCK CO
15,400$562.0M5.09%Call
445
SCIENTIFIC GAMES CORP
28,200$559.0M5.06%Put
446
GNC HLDGS INC
372,800$559.0M5.06%Put
447
PETSPETMED EXPRESS INC
35,600$558.0M5.05%Call
448
EAGLE PHARMACEUTICALS INC
10,000$557.0M5.04%Put
449
CONCHO RES INC
5,400$557.0M5.04%Put
450
4DHDANA INCORPORATED
27,874$556.0M5.03%
451
SIRIUS XM HLDGS INC
99,600$556.0M5.03%Put
452
SABRSABRE CORP
25,000$555.0M5.02%Call
453
GLPIGAMING & LEISURE PPTYS INC
14,200$554.0M5.01%Call
454
CSI COMPRESSCO LP
156,326$553.0M5.00%
455
VUZIVUZIX CORP
135,000$552.0M5.00%Call
456
GRPNCHFGROUPON INC
153,918$551.0M4.99%
457
NFLXNETFLIX INC
1,500$551.0M4.99%
458
KANDI TECHNOLOGIES GROUP INC
111,600$550.0M4.98%Call
459
THERAPEUTICSMD INC
211,100$549.0M4.97%Call
460
TABULA RASA HEALTHCARE INC
11,000$549.0M4.97%Call
461
WINTRUST FINL CORP
7,500$549.0M4.97%Put
462
IBMINTERNATIONAL BUSINESS MACHS
3,975$548.0M4.96%
463
BUCKEYE PARTNERS L P
13,360$548.0M4.96%
464
WTWEURWEIGHT WATCHERS INTL INC NEW
28,659$547.0M4.95%
465
PLURALSIGHT INC
18,000$546.0M4.94%Put
466
ELECTRONICS FOR IMAGING INC
14,800$546.0M4.94%Put
467
TREXTREX CO INC
7,600$545.0M4.93%Put
468
FANGDIAMONDBACK ENERGY INC
5,000$545.0M4.93%Put
469
COHRII VI INC
14,891$544.0M4.92%
470
AMBAAMBARELLA INC
12,300$543.0M4.91%Call
471
AMNAMN HEALTHCARE SERVICES INC
10,000$543.0M4.91%Call
472
ZYNERBA PHARMACEUTICALS INC
40,100$543.0M4.91%Call
473
GRUBHUB INC
6,958$543.0M4.91%
474
BPOPPOPULAR INC
10,000$542.0M4.90%Put
475
HIBBETT SPORTS INC
29,700$541.0M4.90%Call
476
WYNDHAM DESTINATIONS INC
12,300$540.0M4.89%Call
477
TRANSENTERIX INC
397,400$540.0M4.89%Call
478
FTVFORTIVE CORP
6,600$538.0M4.87%Call
479
RENEWABLE ENERGY GROUP INC
33,900$538.0M4.87%Call
480
TEXTAINER GROUP HOLDINGS LTD
53,246$537.0M4.86%
481
HQYHEALTHEQUITY INC
8,200$536.0M4.85%Put
482
OPKOPKO HEALTH INC
219,094$535.0M4.84%
483
DAKTDAKTRONICS INC
86,700$535.0M4.84%Put
484
ARMKARAMARK
14,803$534.0M4.83%
485
HOGHARLEY DAVIDSON INC
14,900$534.0M4.83%Call
486
AVXLANAVEX LIFE SCIENCES CORP
158,100$533.0M4.82%Put
487
EPIZYME INC
42,500$533.0M4.82%Put
488
BYDBOYD GAMING CORP
19,800$533.0M4.82%Put
489
MEDALLION FINL CORP
78,900$532.0M4.81%Call
490
NVAXNOVAVAX INC
90,700$532.0M4.81%Put
491
ROLROLLINS INC
14,800$531.0M4.81%Call
492
INSEEGO CORP
110,900$531.0M4.81%Call
493
COSTCO WHSL CORP NEW
2,000$529.0M4.79%Put
494
USFDUS FOODS HLDG CORP
14,800$529.0M4.79%Call
495
HLTHILTON WORLDWIDE HLDGS INC
5,400$528.0M4.78%Put
496
IOVAIOVANCE BIOTHERAPEUTICS INC
21,500$527.0M4.77%Call
497
MACQUARIE INFRASTRUCTURE COR
13,000$527.0M4.77%Put
498
FS KKR CAPITAL CORP
88,000$524.0M4.74%Put
499
GLADSTONE CAPITAL CORP
55,800$523.0M4.73%Call
500
HAINHAIN CELESTIAL GROUP INC
23,900$523.0M4.73%Call
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