GROUP ONE TRADING LLC Q2 2018 Filing

Filed August 14, 2018

Portfolio Value

$11.7B

Holdings

5,072

Report Date

Q2 2018

Filing Type

13F-HR

All Holdings (5,072 positions)

#StockSharesValue% PortfolioType
501
PENGSMART GLOBAL HLDGS INC
16,958$540.0M4.62%
502
ROYAL DUTCH SHELL PLC
7,400$538.0M4.60%Call
503
AMIRA NATURE FOODS LTD
242,100$537.0M4.59%Put
504
INTCINTEL CORP
10,781$536.0M4.58%
505
BWXTBWX TECHNOLOGIES INC
8,600$536.0M4.58%Put
506
AMATAPPLIED MATLS INC
11,576$535.0M4.58%
507
ENDO INTL PLC
56,762$535.0M4.58%
508
SASEABRIDGE GOLD INC
47,700$532.0M4.55%Put
509
GKOSGLAUKOS CORP
13,100$532.0M4.55%Call
510
INFNEURINFINERA CORPORATION
53,590$532.0M4.55%
511
XL GROUP LTD
9,500$532.0M4.55%Call
512
DXCMDEXCOM INC
5,600$532.0M4.55%Call
513
IACIEURIAC INTERACTIVECORP
3,483$531.0M4.54%
514
SKECHERS U S A INC
17,700$531.0M4.54%Call
515
SDSANDRIDGE ENERGY INC
29,800$529.0M4.52%Call
516
UNMUNUM GROUP
14,300$529.0M4.52%
517
VARONIS SYS INC
7,100$529.0M4.52%Call
518
ULTRA PETROLEUM CORP
228,845$529.0M4.52%
519
ROCKWELL MED INC
107,100$528.0M4.52%Call
520
WRKUSDWESTROCK CO
9,226$526.0M4.50%
521
EVERI HLDGS INC
73,000$526.0M4.50%Put
522
WCGEURWELLCARE HEALTH PLANS INC
2,132$525.0M4.49%
523
PACIFIC COAST OIL TR
227,300$523.0M4.47%Call
524
CONSTELLIUM NV
50,800$523.0M4.47%Call
525
MPAAMOTORCAR PTS AMER INC
27,911$522.0M4.46%
526
WNS HOLDINGS LTD
10,000$522.0M4.46%Put
527
MEDMEDIFAST INC
3,254$521.0M4.46%
528
HXLHEXCEL CORP NEW
7,840$520.0M4.45%
529
ADNTADIENT PLC
10,550$519.0M4.44%
530
TC PIPELINES LP
20,000$519.0M4.44%Put
531
DOMINION ENERGY MIDSTRM PRTN
38,100$518.0M4.43%Call
532
ROSETTA STONE INC
32,293$518.0M4.43%
533
MIRATI THERAPEUTICS INC
10,500$518.0M4.43%Call
534
SAILPOINT TECHNLGIES HLDGS I
21,100$518.0M4.43%Call
535
SPECTRA ENERGY PARTNERS LP
14,566$516.0M4.41%
536
BLUE APRON HLDGS INC
153,659$515.0M4.40%
537
B7SBROOKDALE SR LIVING INC
56,685$515.0M4.40%
538
BBDBANCO BRADESCO S A
75,100$515.0M4.40%Put
539
VFCV F CORP
6,300$514.0M4.40%Call
540
GTNGRAY TELEVISION INC
32,500$514.0M4.40%Put
541
OBSIDIAN ENERGY LTD
453,811$513.0M4.39%
542
HIGHWOODS PPTYS INC
10,100$512.0M4.38%Call
543
GLWCORNING INC
18,600$512.0M4.38%Put
544
CXOEURCONCHO RES INC
3,697$511.0M4.37%
545
PROGENICS PHARMACEUTICALS IN
63,566$511.0M4.37%
546
CNH INDL N V
48,500$511.0M4.37%Call
547
ADPAUTOMATIC DATA PROCESSING IN
3,800$510.0M4.36%Put
548
FATEFATE THERAPEUTICS INC
45,000$510.0M4.36%Put
549
ATHENAHEALTH INC
3,200$509.0M4.35%Put
550
CARSCARS COM INC
17,900$508.0M4.34%Call
551
FLEXFLEX LTD
35,900$507.0M4.34%Call
552
MARINUS PHARMACEUTICALS INC
71,600$506.0M4.33%Put
553
ULTRA PETROLEUM CORP
219,000$506.0M4.33%Put
554
KEMET CORP
20,872$504.0M4.31%
555
LKQ CORP
15,800$504.0M4.31%Call
556
VCVISTEON CORP
3,900$504.0M4.31%Call
557
NGNOVAGOLD RES INC
112,810$502.0M4.29%
558
MCEWEN MNG INC
242,700$502.0M4.29%Call
559
SPIRIT AIRLS INC
13,800$502.0M4.29%Call
560
SEESEALED AIR CORP NEW
11,778$500.0M4.28%
561
ENDURANCE INTL GROUP HLDGS I
50,300$500.0M4.28%Put
562
SEADRILL LIMITED
2,327,800$500.0M4.28%Call
563
SPECTRA ENERGY PARTNERS LP
14,100$499.0M4.27%Call
564
WFRDWEATHERFORD INTL PLC
151,724$499.0M4.27%
565
FFIVF5 NETWORKS INC
2,892$499.0M4.27%
566
PHPARKER HANNIFIN CORP
3,200$499.0M4.27%Call
567
PPTPREMIER INC
13,700$498.0M4.26%Call
568
MPLXMPLX LP
14,583$498.0M4.26%
569
ZNGAEURZYNGA INC
122,173$497.0M4.25%
570
CONVERGYS CORP
20,300$496.0M4.24%Call
571
FLOFLOWERS FOODS INC
23,800$496.0M4.24%Call
572
RUNSUNRUN INC
37,700$496.0M4.24%Put
573
KMXCARMAX INC
6,800$496.0M4.24%Put
574
GTT COMMUNICATIONS INC
11,000$495.0M4.23%Call
575
CLEARSIDE BIOMEDICAL INC
46,300$495.0M4.23%Put
576
GDDYGODADDY INC
7,000$494.0M4.22%Call
577
CENTURY CMNTYS INC
15,600$492.0M4.21%Put
578
UNIVERSAL INS HLDGS INC
14,000$491.0M4.20%Call
579
ALRMALARM COM HLDGS INC
12,163$491.0M4.20%
580
MANULIFE FINL CORP
27,300$491.0M4.20%Call
581
CRSPCRISPR THERAPEUTICS AG
8,361$491.0M4.20%
582
GLOBUS MED INC
9,700$489.0M4.18%Call
583
ATENA10 NETWORKS INC
78,500$489.0M4.18%Put
584
GPKGRAPHIC PACKAGING HLDG CO
33,600$488.0M4.17%Call
585
PIVOTAL SOFTWARE INC
20,100$488.0M4.17%Put
586
NUENUCOR CORP
7,800$488.0M4.17%Call
587
180 DEGREE CAP CORP
210,900$487.0M4.16%Call
588
ZUORA INC
17,900$487.0M4.16%Call
589
RENREN INC
197,257$487.0M4.16%
590
YRDYIRENDAI LTD
22,900$486.0M4.16%Put
591
ACIWACI WORLDWIDE INC
19,700$486.0M4.16%Call
592
5TCTRUECAR INC
48,126$486.0M4.16%
593
NLYEURANNALY CAP MGMT INC
47,216$486.0M4.16%
594
RGENREPLIGEN CORP
10,300$485.0M4.15%Call
595
ALKSALKERMES PLC
11,785$485.0M4.15%
596
STWDSTARWOOD PPTY TR INC
22,282$484.0M4.14%
597
JUPAI HLDGS LTD
25,589$484.0M4.14%
598
T2 BIOSYSTEMS INC
62,400$483.0M4.13%Call
599
BASIC ENERGY SVCS INC NEW
43,444$483.0M4.13%
600
CHINA SOUTHN AIRLS LTD
12,200$482.0M4.12%Call
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