GROUP ONE TRADING LLC Q1 2016 Filing

Filed May 12, 2016

Portfolio Value

$7.1B

Holdings

4,548

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (4,548 positions)

#StockSharesValue% PortfolioType
601
ALLIANCEBERNSTEIN HOLDING LP
18,800$440.0M6.21%Call
602
ARIAD PHARMACEUTICALS INC
68,900$440.0M6.21%Put
603
SHAKSHAKE SHACK INC
11,800$440.0M6.21%Put
604
SYNGENTA AG
5,300$439.0M6.20%Put
605
BITAUTO HLDGS LTD
17,700$439.0M6.20%Put
606
CELATOR PHARMACEUTICALS INC
39,800$439.0M6.20%Put
607
DISCOVERY COMMUNICATNS NEW
15,300$438.0M6.18%Put
608
LAZARD LTD
11,300$438.0M6.18%Call
609
CARRIZO OIL & GAS INC
14,170$438.0M6.18%
610
ACCELERATE DIAGNOSTICS INC
30,400$437.0M6.17%Call
611
MDXGMIMEDX GROUP INC
50,000$437.0M6.17%Put
612
BED BATH & BEYOND INC
8,809$437.0M6.17%
613
LENLENNAR CORP
9,000$435.0M6.14%Call
614
POT1EURPOTASH CORP SASK INC
25,560$435.0M6.14%
615
MRVLMARVELL TECHNOLOGY GROUP LTD
42,167$435.0M6.14%
616
GLREGREENLIGHT CAPITAL RE LTD
19,900$434.0M6.13%Call
617
NOVAGOLD RES INC
86,100$434.0M6.13%Put
618
RICE ENERGY INC
31,000$433.0M6.11%Call
619
CMCDN IMPERIAL BK COMM TORONTO
5,800$433.0M6.11%Put
620
SUNSUNOCO LP
13,000$431.0M6.08%Call
621
BRBROADRIDGE FINL SOLUTIONS IN
7,268$431.0M6.08%
622
VIAVVIAVI SOLUTIONS INC
62,900$431.0M6.08%Call
623
WDAYWORKDAY INC
5,600$430.0M6.07%Put
624
COLFAX CORP
15,000$429.0M6.06%Put
625
CHIMERA INVT CORP
31,600$429.0M6.06%Put
626
RCLROYAL CARIBBEAN CRUISES LTD
5,200$427.0M6.03%Call
627
BLOCK H & R INC
16,100$425.0M6.00%Put
628
MCDERMOTT INTL INC
103,400$423.0M5.97%Put
629
MOMO INC
37,500$422.0M5.96%Call
630
OLEDUNIVERSAL DISPLAY CORP
7,800$422.0M5.96%Call
631
HI-CRUSH PARTNERS LP
84,900$421.0M5.94%Put
632
VTYVERINT SYS INC
12,600$421.0M5.94%
633
QUOTIENT TECHNOLOGY INC
39,700$421.0M5.94%Call
634
GAPGAP INC DEL
14,300$420.0M5.93%Call
635
QLIK TECHNOLOGIES INC
14,500$419.0M5.92%Call
636
AMTTD AMERITRADE HLDG CORP
13,232$417.0M5.89%
637
HASHASBRO INC
5,200$417.0M5.89%Put
638
ARMKARAMARK
12,600$417.0M5.89%Call
639
NEONEOGENOMICS INC
61,600$415.0M5.86%Call
640
GSATUSDGLOBALSTAR INC
281,840$414.0M5.84%
641
LOGMEIN INC
8,200$414.0M5.84%Put
642
USACUSA COMPRESSION PARTNERS LP
35,201$414.0M5.84%
643
CVR PARTNERS LP
49,400$413.0M5.83%Call
644
DIEBOLD INC
14,300$413.0M5.83%Put
645
MOSMOSAIC CO NEW
15,300$413.0M5.83%Put
646
VOCVOC ENERGY TR
150,200$412.0M5.82%Call
647
EXPEEXPEDIA INC DEL
3,814$411.0M5.80%
648
CHIMERIX INC
80,400$411.0M5.80%Put
649
NETSUITE INC
6,000$411.0M5.80%Call
650
KBHKB HOME
28,800$411.0M5.80%Call
651
KSSKOHLS CORP
8,800$410.0M5.79%Put
652
IAGIAMGOLD CORP
185,400$410.0M5.79%Call
653
INTERSIL CORP
30,600$409.0M5.77%Put
654
MXLMAXLINEAR INC
22,037$408.0M5.76%
655
ARISTA NETWORKS INC
6,459$408.0M5.76%
656
PLUNPLUG POWER INC
198,524$407.0M5.75%
657
UBNTEURUBIQUITI NETWORKS INC
12,207$406.0M5.73%
658
PENN WEST PETE LTD NEW
436,700$406.0M5.73%Put
659
GREENBRIER COS INC
14,700$406.0M5.73%Put
660
ZOGENIX INC
43,946$406.0M5.73%
661
COTYCOTY INC
14,600$406.0M5.73%Call
662
ANIPANI PHARMACEUTICALS INC
12,000$404.0M5.70%Call
663
CMRXEURCHIMERIX INC
78,785$403.0M5.69%
664
CERSCERUS CORP
68,000$403.0M5.69%Call
665
AMIRA NATURE FOODS LTD
41,100$402.0M5.68%Put
666
DUPONT FABROS TECHNOLOGY INC
9,900$401.0M5.66%Put
667
BANCO BRADESCO S A
53,600$399.0M5.63%Call
668
STARWOOD PPTY TR INC
21,000$398.0M5.62%Put
669
OIEUROWENS ILL INC
24,899$397.0M5.60%
670
NETSUITE INC
5,800$397.0M5.60%Put
671
MPLXMPLX LP
13,338$396.0M5.59%
672
PENNPENN NATL GAMING INC
23,645$395.0M5.58%
673
MATMATTEL INC
11,732$394.0M5.56%
674
WESTERN ASSET MTG CAP CORP
39,200$394.0M5.56%Call
675
CROXCROCS INC
41,000$394.0M5.56%Put
676
GDGENERAL DYNAMICS CORP
3,000$394.0M5.56%
677
OCWEN FINL CORP
159,400$394.0M5.56%Call
678
FIBROGEN INC
18,500$394.0M5.56%Put
679
SUNPOWER CORP
17,600$393.0M5.55%Call
680
REGNREGENERON PHARMACEUTICALS
1,089$393.0M5.55%
681
URIUNITED RENTALS INC
6,300$392.0M5.53%Call
682
DR PEPPER SNAPPLE GROUP INC
4,379$392.0M5.53%
683
NATIONSTAR MTG HLDGS INC
39,375$390.0M5.51%
684
KANDI TECHNOLOGIES GROUP INC
54,100$390.0M5.51%Call
685
GRPNCHFGROUPON INC
97,639$390.0M5.51%
686
EXONE CO
29,500$388.0M5.48%Call
687
ENERNOC INC
51,700$387.0M5.46%Call
688
HLXHELIX ENERGY SOLUTIONS GRP I
68,900$386.0M5.45%Call
689
MATTRESS FIRM HLDG CORP
9,100$386.0M5.45%Call
690
LIFELOCK INC
31,997$386.0M5.45%
691
GELGENESIS ENERGY L P
12,124$385.0M5.44%
692
AUTODESK INC
6,600$385.0M5.44%Put
693
ABBOTT LABS
9,200$385.0M5.44%Call
694
FUELCELL ENERGY INC
56,800$385.0M5.44%Call
695
WMTWAL-MART STORES INC
5,600$384.0M5.42%Put
696
OSIRIS THERAPEUTICS INC NEW
67,200$384.0M5.42%Put
697
CELLDEX THERAPEUTICS INC NEW
101,654$384.0M5.42%
698
FRANCESCAS HLDGS CORP
20,000$383.0M5.41%Call
699
JAMBA INC
31,000$383.0M5.41%Call
700
TILE SHOP HLDGS INC
25,700$383.0M5.41%Put
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