GROUP ONE TRADING LLC Q1 2020 Filing

Filed May 13, 2020

Portfolio Value

$12.3T

Holdings

5,255

Report Date

Q1 2020

Filing Type

13F-HR

All Holdings (5,255 positions)

#StockSharesValue% PortfolioType
101
BILLBILL COM HLDGS INC
25,521$873.0M0.01%
102
FRONT YD RESIDENTIAL CORP
73,000$872.0M0.01%Put
103
HRTXHERON THERAPEUTICS INC
74,300$872.0M0.01%Put
104
CDK GLOBAL INC
26,500$871.0M0.01%Put
105
ABIOMED INC
6,000$871.0M0.01%Call
106
SEAGATE TECHNOLOGY PLC
17,800$869.0M0.01%Call
107
NEW YORK CMNTY BANCORP INC
92,400$868.0M0.01%Put
108
NRGNRG ENERGY INC
31,700$864.0M0.01%Put
109
AXONAXON ENTERPRISE INC
12,200$863.0M0.01%Call
110
INTELSAT S A
562,700$861.0M0.01%Call
111
AMCAMC ENTMT HLDGS INC
271,798$859.0M0.01%
112
GREENBRIER COS INC
48,400$859.0M0.01%Put
113
HECLA MNG CO
472,200$859.0M0.01%Call
114
WELLWELLTOWER INC
18,700$856.0M0.01%Put
115
RFREGIONS FINANCIAL CORP NEW
95,399$856.0M0.01%
116
AFLAFLAC INC
25,000$856.0M0.01%Put
117
AMC ENTMT HLDGS INC
270,200$854.0M0.01%Call
118
INSGEURINSEEGO CORP
137,125$854.0M0.01%
119
IEPICAHN ENTERPRISES LP
17,599$852.0M0.01%
120
COVETRUS INC
104,500$851.0M0.01%Call
121
NYTNEW YORK TIMES CO
27,700$851.0M0.01%Call
122
SNNSMITH & NEPHEW GROUP PLC
23,700$850.0M0.01%Put
123
MOSMOSAIC CO NEW
78,500$849.0M0.01%Call
124
VOYAVOYA FINANCIAL INC
20,900$848.0M0.01%Call
125
CALIFORNIA RES CORP
846,000$846.0M0.01%Call
126
ALLIANCEBERNSTEIN HLDG L P
45,500$846.0M0.01%Put
127
HPHELMERICH & PAYNE INC
54,000$845.0M0.01%Call
128
PSXPHILLIPS 66
15,700$842.0M0.01%Call
129
IMMUNOMEDICS INC
62,400$841.0M0.01%Put
130
JUMEI INTL HLDG LTD
45,400$839.0M0.01%Put
131
ALLYALLY FINL INC
58,047$838.0M0.01%
132
BAXBAXTER INTL INC
10,300$836.0M0.01%Call
133
HORIZON THERAPEUTICS PUB LTD
28,200$835.0M0.01%Put
134
CRSPCRISPR THERAPEUTICS AG
19,700$835.0M0.01%Put
135
WELLWELLTOWER INC
18,200$833.0M0.01%Call
136
INTRA CELLULAR THERAPIES INC
54,100$832.0M0.01%Call
137
CGENCOMPUGEN LTD
114,500$831.0M0.01%Put
138
APHAMPHENOL CORP NEW
11,402$831.0M0.01%
139
GOTUGSX TECHEDU INC
19,600$830.0M0.01%Call
140
TERADATA CORP DEL
40,500$830.0M0.01%Put
141
GLDDGREAT LAKES DREDGE & DOCK CO
99,900$829.0M0.01%Call
142
FOXAFOX CORP
35,000$827.0M0.01%Put
143
RRCRANGE RES CORP
362,176$826.0M0.01%
144
PYXUS INTL INC
265,600$826.0M0.01%Call
145
SBSWSIBANYE STILLWATER LTD
174,700$825.0M0.01%Call
146
GELGENESIS ENERGY L P
210,200$824.0M0.01%Put
147
AMERICAN ELEC PWR CO INC
10,300$824.0M0.01%Put
148
MODEL N INC
37,100$824.0M0.01%Call
149
TXRHTEXAS ROADHOUSE INC
19,892$822.0M0.01%
150
CNKCINEMARK HOLDINGS INC
80,700$822.0M0.01%Put
151
AM6AMICUS THERAPEUTICS INC
88,999$822.0M0.01%
152
HEIHEICO CORP NEW
11,000$821.0M0.01%Put
153
JCIJOHNSON CTLS INTL PLC
30,444$821.0M0.01%
154
KEYSKEYSIGHT TECHNOLOGIES INC
9,800$820.0M0.01%Put
155
PROSPECT CAPITAL CORPORATION
192,600$819.0M0.01%Call
156
MARATHON OIL CORP
249,000$819.0M0.01%Put
157
CVXCHEVRON CORP NEW
11,300$819.0M0.01%Put
158
FIVNFIVE9 INC
10,700$818.0M0.01%Call
159
R6C2ROYAL DUTCH SHELL PLC
25,040$818.0M0.01%
160
SKAASKECHERS U S A INC
34,408$817.0M0.01%
161
SLBSCHLUMBERGER LTD
60,500$816.0M0.01%Call
162
OPRXOPTIMIZERX CORP
90,000$815.0M0.01%Put
163
DISCOVER FINL SVCS
22,800$813.0M0.01%Put
164
OSISOSI SYSTEMS INC
11,800$813.0M0.01%Call
165
ABB LTD
47,100$813.0M0.01%Put
166
CLSDUSDCLEARSIDE BIOMEDICAL INC
476,782$811.0M0.01%
167
INFINERA CORP
153,000$811.0M0.01%Call
168
OFFICE DEPOT INC
494,100$810.0M0.01%Call
169
CARAVIS BUDGET GROUP
58,200$809.0M0.01%Call
170
TRIPTRIPADVISOR INC
46,405$807.0M0.01%
171
BP PRUDHOE BAY RTY TR
152,900$807.0M0.01%Call
172
UPWKUPWORK INC
125,008$806.0M0.01%
173
BTAIEURBIOXCEL THERAPEUTICS INC
35,982$804.0M0.01%
174
NGGNATIONAL GRID PLC
13,800$804.0M0.01%Call
175
JUMEI INTL HLDG LTD
43,400$802.0M0.01%Call
176
CPRICAPRI HOLDINGS LIMITED
74,300$802.0M0.01%Put
177
VFCV F CORP
14,800$800.0M0.01%Call
178
KALA PHARMACEUTICALS INC
90,900$799.0M0.01%Call
179
GEGGEO GROUP INC NEW
65,637$798.0M0.01%
180
GAPGAP INC
113,069$796.0M0.01%
181
FOXAFOX CORP
33,600$794.0M0.01%Call
182
FUELCELL ENERGY INC
524,900$793.0M0.01%Call
183
VOYAVOYA FINANCIAL INC
19,558$793.0M0.01%
184
OUTOUTFRONT MEDIA INC
58,800$793.0M0.01%Call
185
CARA THERAPEUTICS INC
59,700$789.0M0.01%Call
186
SNNSMITH & NEPHEW GROUP PLC
21,908$786.0M0.01%
187
LANNET INC
112,900$785.0M0.01%Call
188
ZYMEWORKS INC
22,100$784.0M0.01%Put
189
RADEURRITE AID CORP
52,205$783.0M0.01%
190
DIEBOLD NXDF INC
222,200$782.0M0.01%Put
191
ZUORA INC
97,100$782.0M0.01%Put
192
USOUNITED STATES OIL FUND LP
185,648$782.0M0.01%
193
CRAFT BREW ALLIANCE INC
52,400$781.0M0.01%Call
194
FITBFIFTH THIRD BANCORP
52,600$781.0M0.01%Put
195
BLUE APRON HLDGS INC
64,700$780.0M0.01%Put
196
ICAHN ENTERPRISES LP
16,100$780.0M0.01%Call
197
BRITISH AMERN TOB PLC
22,800$780.0M0.01%Call
198
PAYSPAYSIGN INC
150,700$778.0M0.01%Call
199
USBUS BANCORP DEL
22,585$778.0M0.01%
200
CPRXCATALYST PHARMACEUTICALS INC
201,698$777.0M0.01%
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