GROUP ONE TRADING LLC Q1 2019 Filing

Filed May 13, 2019

Portfolio Value

$16.7B

Holdings

4,769

Report Date

Q1 2019

Filing Type

13F-HR

All Holdings (4,769 positions)

#StockSharesValue% PortfolioType
1
LUVSOUTHWEST AIRLS CO
19,268$1.0B6.00%
2
LULULULULEMON ATHLETICA INC
6,100$1.0B6.00%Call
3
BTGB2GOLD CORP
354,900$997.0M5.98%Call
4
POLARITYTE INC
93,200$997.0M5.98%Put
5
INSMINSMED INC
34,100$991.0M5.94%Put
6
ACACIA COMMUNICATIONS INC
17,200$986.0M5.91%Put
7
HERTZ GLOBAL HLDGS INC
56,700$985.0M5.91%Call
8
ALRMALARM COM HLDGS INC
15,182$985.0M5.91%
9
NEW YORK CMNTY BANCORP INC
85,000$983.0M5.90%Call
10
TELLEURTELLURIAN INC NEW
87,373$979.0M5.87%
11
SASEABRIDGE GOLD INC
79,000$979.0M5.87%Put
12
PAGPENSKE AUTOMOTIVE GRP INC
21,900$978.0M5.87%Call
13
SNBRSLEEP NUMBER CORP
20,800$978.0M5.87%Call
14
HALOHALOZYME THERAPEUTICS INC
60,700$977.0M5.86%Put
15
CPRTCOPART INC
16,100$976.0M5.85%Put
16
OKTAOKTA INC
11,800$976.0M5.85%Put
17
TBCHTURTLE BEACH CORP
85,800$975.0M5.85%Call
18
CRTOCRITEO S A
48,700$975.0M5.85%Put
19
TRIPTRIPADVISOR INC
18,900$972.0M5.83%Call
20
ATVIEURACTIVISION BLIZZARD INC
21,298$970.0M5.82%
21
RGENREPLIGEN CORP
16,400$969.0M5.81%Put
22
COMMVAULT SYSTEMS INC
14,900$965.0M5.79%Put
23
CIMAREX ENERGY CO
13,800$965.0M5.79%Call
24
CDNACAREDX INC
30,600$965.0M5.79%Call
25
NHTCNATURAL HEALTH TRENDS CORP
74,400$964.0M5.78%Put
26
CYPRESS SEMICONDUCTOR CORP
64,500$962.0M5.77%Put
27
ALEXION PHARMACEUTICALS INC
7,100$960.0M5.76%Call
28
PODDINSULET CORP
10,100$960.0M5.76%Call
29
KMIKINDER MORGAN INC DEL
48,000$960.0M5.76%Put
30
LENDINGCLUB CORP
310,300$959.0M5.75%Put
31
IRDMIRIDIUM COMMUNICATIONS INC
36,200$957.0M5.74%Put
32
INNOVATIVE INDL PPTYS INC
11,700$956.0M5.73%Put
33
PRGOPERRIGO CO PLC
19,800$954.0M5.72%Call
34
SAILPOINT TECHNLGIES HLDGS I
33,200$954.0M5.72%Put
35
PORTOLA PHARMACEUTICALS INC
27,400$951.0M5.70%Call
36
JBLUJETBLUE AWYS CORP
58,068$950.0M5.70%
37
RIOTRIOT BLOCKCHAIN INC
290,600$950.0M5.70%Call
38
SANBANCO SANTANDER SA
205,217$950.0M5.70%
39
NYTNEW YORK TIMES CO
28,900$949.0M5.69%Call
40
AMANTERO MIDSTREAM CORP
68,800$948.0M5.69%Put
41
SOGOGBPSOGOU INC
159,265$946.0M5.67%
42
HD SUPPLY HLDGS INC
21,800$945.0M5.67%Put
43
GLREGREENLIGHT CAPITAL RE LTD
86,900$945.0M5.67%
44
ALLIANCEBERNSTEIN HOLDING LP
32,700$945.0M5.67%Call
45
BUDANHEUSER BUSCH INBEV SA/NV
11,239$944.0M5.66%
46
TE CONNECTIVITY LTD
11,600$937.0M5.62%Put
47
EXELEXELIXIS INC
39,300$935.0M5.61%Put
48
CATALENT INC
22,900$930.0M5.58%Call
49
SLABSILICON LABORATORIES INC
11,500$929.9M5.58%Put
50
ABMDEURABIOMED INC
3,248$928.0M5.57%
51
CADEEURCADENCE BANCORPORATION
49,963$927.0M5.56%
52
GNC HLDGS INC
338,100$923.0M5.54%Put
53
CCLCARNIVAL CORP
18,200$923.0M5.54%Put
54
ANIKANIKA THERAPEUTICS INC
30,500$922.0M5.53%Put
55
CRSPCRISPR THERAPEUTICS AG
25,800$922.0M5.53%Put
56
VOYAVOYA FINL INC
18,426$921.0M5.52%
57
RANGE RES CORP
81,900$921.0M5.52%Call
58
RRGBRED ROBIN GOURMET BURGERS IN
31,900$919.0M5.51%Put
59
PHGKONINKLIJKE PHILIPS N V
22,500$919.0M5.51%Call
60
ZUORA INC
45,800$917.0M5.50%Put
61
NLYANNALY CAP MGMT INC
91,600$915.0M5.49%Call
62
GRMNGARMIN LTD
10,600$915.0M5.49%Put
63
VODAFONE GROUP PLC NEW
50,300$914.0M5.48%Call
64
NORTHERN OIL & GAS INC NEV
333,700$914.0M5.48%Put
65
PODDINSULET CORP
9,600$913.0M5.48%Put
66
PSECPROSPECT CAPITAL CORPORATION
139,854$912.0M5.47%
67
TEEKAY OFFSHORE PARTNERS L P
759,600$912.0M5.47%Put
68
SYU1SYNOVUS FINL CORP
26,541$912.0M5.47%
69
VIRNETX HLDG CORP
143,900$911.0M5.46%Call
70
AVNTNAVIENT CORPORATION
78,600$909.0M5.45%Put
71
SEATTLE GENETICS INC
12,400$908.0M5.45%Call
72
VFFVILLAGE FARMS INTL INC
64,726$907.0M5.44%
73
HOGHARLEY DAVIDSON INC
25,400$906.0M5.43%Put
74
ANETEURARISTA NETWORKS INC
2,875$904.0M5.42%
75
U S CONCRETE INC
21,800$903.0M5.42%Call
76
GRPNCHFGROUPON INC
252,992$898.0M5.39%
77
AVAYA HLDGS CORP
53,300$897.0M5.38%Put
78
AKORN INC
254,800$897.0M5.38%Call
79
IRDMIRIDIUM COMMUNICATIONS INC
33,900$896.0M5.37%Call
80
MPLXMPLX LP
27,200$895.0M5.37%Call
81
TPCTUTOR PERINI CORP
52,200$894.0M5.36%Call
82
ATTUNITY LTD
38,100$893.0M5.36%Call
83
HLFHERBALIFE NUTRITION LTD
16,800$890.0M5.34%Call
84
FDPFRESH DEL MONTE PRODUCE INC
32,900$889.0M5.33%Put
85
BUCKEYE PARTNERS L P
26,100$888.0M5.33%Put
86
ZTOZTO EXPRESS CAYMAN INC
48,600$888.0M5.33%Call
87
HAWAIIAN HOLDINGS INC
33,800$887.0M5.32%Put
88
II VI INC
23,800$886.0M5.31%Put
89
HORIZON PHARMA PLC
33,500$885.0M5.31%Put
90
PGPROCTER AND GAMBLE CO
8,500$884.0M5.30%Call
91
TGTXTG THERAPEUTICS INC
109,826$883.0M5.30%
92
FLRFLUOR CORP NEW
24,000$883.0M5.30%Put
93
FISFIDELITY NATL INFORMATION SV
7,779$880.0M5.28%
94
RLJRLJ LODGING TR
50,000$879.0M5.27%Call
95
JBGSJBG SMITH PPTYS
21,200$877.0M5.26%Put
96
FNKOFUNKO INC
40,300$875.0M5.25%Put
97
RFREGIONS FINL CORP NEW
61,700$873.0M5.24%Put
98
NVTNVENT ELECTRIC PLC
32,300$871.0M5.22%Call
99
RADIUS HEALTH INC
43,600$869.0M5.21%Put
100
IMMUNOMEDICS INC
45,200$868.0M5.21%Put
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