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
501
NINISOURCE INC
21,500$511.0M5.95%Call
502
GISGENERAL MLS INC
8,648$510.0M5.94%
503
CYBRCYBERARK SOFTWARE LTD
10,000$509.0M5.93%Put
504
EASTMAN CHEM CO
6,300$509.0M5.93%Call
505
USACUSA COMPRESSION PARTNERS LP
30,100$508.0M5.91%Put
506
WALWESTERN ALLIANCE BANCORP
10,300$506.0M5.89%Call
507
SOSOUTHERN CO
10,160$506.0M5.89%
508
ARENA PHARMACEUTICALS INC
345,735$505.0M5.88%
509
NSCNORFOLK SOUTHERN CORP
4,512$505.0M5.88%
510
ARANTERO RES CORP
21,900$500.0M5.82%Put
511
RACEFERRARI N V
6,700$498.0M5.80%Call
512
CALIFORNIA RES CORP
33,100$498.0M5.80%Call
513
OPHTHOTECH CORP
135,400$496.0M5.77%Call
514
BANCORP INC DEL
97,000$495.0M5.76%Call
515
ZELTIQ AESTHETICS INC
8,900$495.0M5.76%Put
516
BRIGHTCOVE INC
55,600$495.0M5.76%Put
517
DBDEUTSCHE BANK AG
28,762$494.0M5.75%
518
VYXNCR CORP NEW
10,800$493.0M5.74%Call
519
LNWOSCIENTIFIC GAMES CORP
20,808$492.0M5.73%
520
NEWLINK GENETICS CORP
20,400$492.0M5.73%Put
521
TSTENARIS S A
14,400$492.0M5.73%Call
522
SGMOSANGAMO THERAPEUTICS INC
94,400$491.0M5.72%Put
523
NGLNGL ENERGY PARTNERS LP
21,700$490.0M5.70%Call
524
VACMARRIOTT VACATIONS WRLDWDE C
4,900$490.0M5.70%Put
525
FIZZNATIONAL BEVERAGE CORP
5,800$490.0M5.70%Put
526
NOVAVAX INC
381,800$489.0M5.69%Put
527
DOLLAR GEN CORP NEW
7,000$488.0M5.68%Put
528
ORANGE
31,400$488.0M5.68%Put
529
SUNOCO LOGISTICS PRTNRS L P
20,000$488.0M5.68%Put
530
COWNEURCOWEN GROUP INC NEW
32,669$488.0M5.68%
531
HOLLYSYS AUTOMATION TECHNOLO
28,700$486.0M5.66%Call
532
GONGERON CORP
213,680$485.0M5.65%
533
SHAKSHAKE SHACK INC
14,533$485.0M5.65%
534
NAKNORTHERN DYNASTY MINERALS LT
336,934$482.0M5.61%
535
ORGANOVO HLDGS INC
151,600$482.0M5.61%Call
536
SSTKSHUTTERSTOCK INC
11,600$480.0M5.59%Put
537
FNFABRINET
11,400$479.0M5.58%Call
538
CRUSCIRRUS LOGIC INC
7,900$479.0M5.58%Put
539
GOGOGOGO INC
43,400$477.0M5.55%Put
540
MARMARRIOTT INTL INC NEW
5,061$477.0M5.55%
541
NATIONSTAR MTG HLDGS INC
30,200$476.0M5.54%Put
542
TREELENDINGTREE INC NEW
3,800$476.0M5.54%Put
543
HTLDEXPRESS INC
52,188$475.0M5.53%
544
IGTINTERNATIONAL GAME TECHNOLOG
19,985$474.0M5.52%
545
CARDTRONICS PLC
10,100$472.0M5.50%Put
546
OASEUROASIS PETE INC NEW
33,072$472.0M5.50%
547
NFLXNETFLIX INC
3,190$472.0M5.50%
548
PKPARK HOTELS RESORTS INC
18,384$472.0M5.50%
549
UECURANIUM ENERGY CORP
332,200$472.0M5.50%Call
550
NANTHEALTH INC
95,000$471.0M5.48%Put
551
GGENPACT LIMITED
19,000$470.0M5.47%Call
552
ARENA PHARMACEUTICALS INC
319,800$467.0M5.44%Call
553
AQUA METALS INC
23,900$467.0M5.44%Call
554
SRC ENERGY INC
55,300$467.0M5.44%Call
555
WRIGHT MED GROUP N V
15,000$467.0M5.44%Call
556
AMERICAN OUTDOOR BRANDS CORP
23,500$466.0M5.43%Call
557
HRLHORMEL FOODS CORP
13,454$466.0M5.43%
558
NOKNOKIA CORP
85,800$465.0M5.41%Call
559
CARA THERAPEUTICS INC
25,200$463.0M5.39%Put
560
BBYBEST BUY INC
9,400$462.0M5.38%Call
561
DPZDOMINOS PIZZA INC
2,500$461.0M5.37%Call
562
CYHCOMMUNITY HEALTH SYS INC NEW
52,000$461.0M5.37%Put
563
SODASTREAM INTERNATIONAL LTD
9,500$460.0M5.36%Put
564
BOXBOX INC
28,150$459.0M5.34%
565
ORANYORANGE
29,398$457.0M5.32%
566
SUSUNCOR ENERGY INC NEW
14,858$457.0M5.32%
567
MANITOWOC INC
79,944$456.0M5.31%
568
AMERICAN OUTDOOR BRANDS CORP
23,000$456.0M5.31%Put
569
HEADWATERS INC
19,381$455.0M5.30%
570
RITMNEW RESIDENTIAL INVT CORP
26,770$455.0M5.30%
571
EDITEDITAS MEDICINE INC
20,400$455.0M5.30%Call
572
NBIXNEUROCRINE BIOSCIENCES INC
10,500$455.0M5.30%Put
573
LYGLLOYDS BANKING GROUP PLC
133,600$454.0M5.29%Call
574
TKRTIMKEN CO
10,000$452.0M5.26%Call
575
INTERPUBLIC GROUP COS INC
18,400$452.0M5.26%Call
576
NBRNABORS INDUSTRIES LTD
34,471$451.0M5.25%
577
FIBROGEN INC
18,200$449.0M5.23%Call
578
TELECOM ITALIA S P A NEW
49,800$449.0M5.23%Put
579
AARONS INC
15,000$446.0M5.19%Call
580
U S CONCRETE INC
6,900$445.0M5.18%Put
581
EATBRINKER INTL INC
10,100$444.0M5.17%Put
582
BUNGE LIMITED
5,591$443.0M5.16%
583
WORLD WRESTLING ENTMT INC
19,900$442.0M5.15%Call
584
COMPUTER SCIENCES CORP
6,400$442.0M5.15%Put
585
35VVEON LTD
108,187$441.0M5.13%
586
MATADOR RES CO
18,500$440.0M5.12%Call
587
MOSMOSAIC CO NEW
15,000$438.0M5.10%Call
588
ROCKET FUEL INC
81,800$438.0M5.10%Call
589
ROYAL BK CDA MONTREAL QUE
6,000$437.0M5.09%Put
590
ETSYETSY INC
41,100$437.0M5.09%Put
591
CCLCARNIVAL CORP
7,400$436.0M5.08%Call
592
AGNC INVT CORP
21,900$436.0M5.08%Call
593
ARATANA THERAPEUTICS INC
82,100$435.0M5.06%Put
594
ROCKWELL MED INC
69,532$435.0M5.06%
595
AFLAFLAC INC
6,000$435.0M5.06%Put
596
MCHPMICROCHIP TECHNOLOGY INC
5,902$435.0M5.06%
597
OWENS ILL INC
21,300$434.0M5.05%Call
598
RUBIEURRUBICON PROJ INC
73,441$433.0M5.04%
599
KERYX BIOPHARMACEUTICALS INC
70,300$433.0M5.04%Call
600
PSTGPURE STORAGE INC
44,001$433.0M5.04%
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