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
101
IMMUNOMEDICS INC
45,200$868.0M5.21%Put
102
ATTUNITY LTD
36,900$865.0M5.19%Put
103
UPLDUPLAND SOFTWARE INC
20,400$864.0M5.18%Call
104
VYXNCR CORP NEW
31,600$862.0M5.17%Call
105
AMC ENTMT HLDGS INC
58,000$861.0M5.16%Put
106
GTT COMMUNICATIONS INC
24,763$859.0M5.15%
107
SERVICEMASTER GLOBAL HLDGS I
18,400$859.0M5.15%Call
108
TEEKAY OFFSHORE PARTNERS L P
715,878$859.0M5.15%
109
FLRFLUOR CORP NEW
23,327$858.0M5.15%
110
BLACK KNIGHT INC
15,700$856.0M5.13%Call
111
COUPA SOFTWARE INC
9,400$855.0M5.13%Put
112
WSMWILLIAMS SONOMA INC
15,200$855.0M5.13%Call
113
CHGGCHEGG INC
22,345$852.0M5.11%
114
NUSNU SKIN ENTERPRISES INC
17,800$852.0M5.11%Put
115
AMYRIS INC
406,600$850.0M5.10%Put
116
BUCKEYE PARTNERS L P
24,859$846.0M5.07%
117
GDGENERAL DYNAMICS CORP
5,000$846.0M5.07%Put
118
PENNEY J C CORP INC
567,100$845.0M5.07%Put
119
GEOGEO GROUP INC NEW
44,000$845.0M5.07%Put
120
VIAVVIAVI SOLUTIONS INC
68,100$843.0M5.06%Call
121
SHUTTERFLY INC
20,700$841.0M5.04%Call
122
SHIP FINANCE INTERNATIONAL L
68,100$840.0M5.04%Call
123
KTOSKRATOS DEFENSE & SEC SOLUTIO
53,700$839.0M5.03%Call
124
FITBIT INC
141,800$839.0M5.03%Put
125
SUPNSUPERNUS PHARMACEUTICALS INC
23,900$837.0M5.02%Call
126
NOVAVAX INC
1,518,500$837.0M5.02%Call
127
BBVABANCO BILBAO VIZCAYA ARGENTA
146,100$837.0M5.02%Call
128
MTZMASTEC INC
17,300$832.0M4.99%Put
129
AAOIAPPLIED OPTOELECTRONICS INC
68,200$832.0M4.99%Put
130
AGFIRST MAJESTIC SILVER CORP
126,316$831.0M4.98%
131
GPCGENUINE PARTS CO
7,400$829.0M4.97%Call
132
HASIHANNON ARMSTRONG SUST INFR C
32,300$828.0M4.97%Call
133
METMETLIFE INC
19,400$826.0M4.95%Call
134
GTT COMMUNICATIONS INC
23,800$826.0M4.95%Put
135
FTDRFRONTDOOR INC
24,000$826.0M4.95%Call
136
BOXBOX INC
42,700$825.0M4.95%Call
137
CONNS INC
36,100$825.0M4.95%Put
138
HI-CRUSH PARTNERS LP
185,100$824.0M4.94%Call
139
CDECOEUR MNG INC
201,740$823.0M4.94%
140
HORIZON PHARMA PLC
31,132$823.0M4.94%
141
RESRPC INC
72,000$822.0M4.93%Call
142
GOOSCANADA GOOSE HOLDINGS INC
17,100$821.0M4.92%Call
143
TRITON INTL LTD
26,400$821.0M4.92%Put
144
INGNINOGEN INC
8,600$820.0M4.92%Put
145
DLTRDOLLAR TREE INC
7,800$819.0M4.91%Call
146
PAYCPAYCOM SOFTWARE INC
4,300$813.0M4.88%Call
147
IMMUNOGEN INC
299,900$813.0M4.88%Put
148
ROSETTA STONE INC
37,100$811.0M4.86%Put
149
PAGSPAGSEGURO DIGITAL LTD
27,100$809.0M4.85%Put
150
VECTOR GROUP LTD
74,900$808.0M4.85%Call
151
AEROJET ROCKETDYNE HLDGS INC
22,700$807.0M4.84%Call
152
PATTERN ENERGY GROUP INC
36,600$805.0M4.83%Call
153
CTRPUSDCTRIP COM INTL LTD
18,379$803.0M4.82%
154
DOMODOMO INC
19,900$803.0M4.82%Put
155
GLU MOBILE INC
73,200$801.0M4.80%Call
156
FOOT LOCKER INC
13,200$800.0M4.80%Put
157
CXCEMEX SAB DE CV
172,499$800.0M4.80%
158
BLUEBIRD BIO INC
5,087$800.0M4.80%
159
TBCHTURTLE BEACH CORP
70,300$799.0M4.79%Put
160
HOLLYFRONTIER CORP
16,200$798.0M4.79%Call
161
RITE AID CORP
1,255,311$797.0M4.78%
162
OASIS PETE INC NEW
131,800$796.0M4.77%Put
163
EXTREXTREME NETWORKS INC
106,139$795.0M4.77%
164
JAGGED PEAK ENERGY INC
75,800$794.0M4.76%Call
165
WEATHERFORD INTL PLC
1,138,200$794.0M4.76%Put
166
MTARCELORMITTAL SA LUXEMBOURG
38,900$793.0M4.76%Put
167
TRITON INTL LTD
25,500$793.0M4.76%Call
168
TDTORONTO DOMINION BK ONT
14,500$788.0M4.73%Call
169
OTEXOPEN TEXT CORP
20,500$788.0M4.73%Put
170
IBNICICI BK LTD
68,700$787.0M4.72%Call
171
PDFSPDF SOLUTIONS INC
63,700$787.0M4.72%Put
172
ANETARISTA NETWORKS INC
2,500$786.0M4.71%Call
173
EBIX INC
15,900$785.0M4.71%Put
174
SUPNSUPERNUS PHARMACEUTICALS INC
22,400$785.0M4.71%Put
175
YEXTYEXT INC
35,800$783.0M4.70%Call
176
KEMET CORP
46,063$782.0M4.69%
177
AXSMAXSOME THERAPEUTICS INC
54,924$782.0M4.69%
178
SPGIS&P GLOBAL INC
3,700$779.0M4.67%Put
179
AKCEA THERAPEUTICS INC
27,500$779.0M4.67%Call
180
TSNTYSON FOODS INC
11,200$778.0M4.67%Put
181
HIMXHIMAX TECHNOLOGIES INC
244,033$778.0M4.67%
182
PROOFPOINT INC
6,400$777.0M4.66%Put
183
CALUMET SPECIALTY PRODS PTNR
218,200$777.0M4.66%Put
184
BERRY GLOBAL GROUP INC
14,400$776.0M4.65%Call
185
DSW INC
34,900$775.0M4.65%Put
186
TREELENDINGTREE INC NEW
2,200$773.0M4.64%Put
187
QURATE RETAIL INC
48,300$772.0M4.63%Put
188
SERVICE CORP INTL
19,200$771.0M4.62%Call
189
FOXAFOX CORP
20,998$771.0M4.62%
190
UNGUSDUNITED STATES NATL GAS FUND
32,829$771.0M4.62%
191
GSV CAP CORP
101,648$770.0M4.62%
192
NUANCE COMMUNICATIONS INC
45,500$770.0M4.62%Call
193
OMEROMEROS CORP
44,256$769.0M4.61%
194
CORTCORCEPT THERAPEUTICS INC
65,400$768.0M4.61%Put
195
AERAERCAP HOLDINGS NV
16,500$768.0M4.61%Put
196
SBSCOMPANHIA DE SANEAMENTO BASI
72,500$767.0M4.60%Put
197
DANDANA INCORPORATED
43,200$766.0M4.59%Put
198
SENSATA TECHNOLOGIES HLDNG P
17,000$765.0M4.59%Call
199
VNOVORNADO RLTY TR
11,343$765.0M4.59%
200
CAASCHINA AUTOMOTIVE SYS INC
236,700$762.0M4.57%Put
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