GROUP ONE TRADING LLC Q1 2019 Filing

Filed May 13, 2019

Portfolio Value

$16.7T

Holdings

4,769

Report Date

Q1 2019

Filing Type

13F-HR

All Holdings (4,769 positions)

#StockSharesValue% PortfolioType
101
PFEPFIZER INC
529,300$22.5B0.13%Call
102
AIRCASTLE LTD
1,100$22.3B0.13%Call
103
LNGCHENIERE ENERGY INC
323,600$22.1B0.13%Put
104
REALNETWORKS INC
7,100$22.1B0.13%Put
105
TEOTELECOM ARGENTINA S A
1,500$21.9B0.13%Put
106
CSOP ETF TR
1,300$21.8B0.13%Put
107
XOMEXXON MOBIL CORP
266,600$21.5B0.13%Put
108
CREDIT SUISSE GROUP
1,842,000$21.5B0.13%Put
109
BPBP PLC
487,400$21.3B0.13%Call
110
PCGPG&E CORP
1,182,100$21.0B0.13%Call
111
PCGPG&E CORP
1,177,445$21.0B0.13%
112
IQIQIYI INC
857,900$20.5B0.12%Put
113
PRKSSEAWORLD ENTMT INC
790,900$20.4B0.12%Put
114
CICIGNA CORP NEW
125,800$20.2B0.12%Put
115
ILMNILLUMINA INC
65,100$20.2B0.12%Call
116
OSURORASURE TECHNOLOGIES INC
1,800$20.1B0.12%Call
117
ROKUROKU INC
310,200$20.0B0.12%Call
118
GILDGILEAD SCIENCES INC
304,400$19.8B0.12%Call
119
NIONIO INC
3,867,700$19.7B0.12%Put
120
LRCXLAM RESEARCH CORP
110,000$19.7B0.12%Put
121
TTWOTAKE-TWO INTERACTIVE SOFTWAR
208,600$19.7B0.12%Call
122
TDGTRANSDIGM GROUP INC
43,300$19.7B0.12%Put
123
MSCIMSCI INC
97,000$19.3B0.12%Put
124
IONSIONIS PHARMACEUTICALS INC
236,600$19.2B0.12%Put
125
SNXSYNNEX CORP
200$19.1B0.11%Call
126
SCHWTHE CHARLES SCHWAB CORPORATI
439,700$18.8B0.11%Call
127
SPARK THERAPEUTICS INC
164,600$18.7B0.11%Put
128
BABOEING CO
48,900$18.7B0.11%Call
129
MYLAN N V
655,300$18.6B0.11%Call
130
VVVVALVOLINE INC
1,000$18.6B0.11%Put
131
CCITIGROUP INC
295,400$18.4B0.11%Put
132
CISCO SYS INC
339,400$18.3B0.11%Call
133
AMDADVANCED MICRO DEVICES INC
714,800$18.2B0.11%Put
134
INTERCEPT PHARMACEUTICALS IN
162,600$18.2B0.11%Call
135
WELLCARE HEALTH PLANS INC
66,400$17.9B0.11%Put
136
AVGOBROADCOM INC
59,300$17.8B0.11%Call
137
SPARK THERAPEUTICS INC
155,100$17.7B0.11%Call
138
CAGCONAGRA BRANDS INC
632,404$17.5B0.11%
139
COMMSCOPE HLDG CO INC
800$17.4B0.10%Call
140
BROADCOM INC
57,800$17.4B0.10%Put
141
ETENERGY TRANSFER LP
1,126,700$17.3B0.10%Call
142
CRONCRONOS GROUP INC
939,400$17.3B0.10%Put
143
JDJD COM INC
572,600$17.3B0.10%Put
144
SLVISHARES SILVER TRUST
1,217,300$17.3B0.10%Call
145
ABIOMED INC
59,900$17.1B0.10%Call
146
ALIBABA GROUP HLDG LTD
93,500$17.1B0.10%Call
147
CVNACARVANA CO
290,900$16.9B0.10%Call
148
JPMORGAN CHASE & CO
165,800$16.8B0.10%Put
149
TSLATESLA INC
59,900$16.8B0.10%Call
150
BROOKFIELD INFRAST PARTNERS
400$16.7B0.10%Call
151
UNITED CONTL HLDGS INC
209,900$16.7B0.10%Call
152
CICIGNA CORP NEW
102,500$16.5B0.10%Call
153
CALADRIUS BIOSCIENCES INC
4,500$16.3B0.10%Call
154
ALIBABA GROUP HLDG LTD
88,500$16.1B0.10%Put
155
BHCBAUSCH HEALTH COS INC
651,500$16.1B0.10%Put
156
TRVCCITIGROUP INC
257,750$16.0B0.10%
157
MELLANOX TECHNOLOGIES LTD
133,900$15.8B0.10%Call
158
EXPEEXPEDIA GROUP INC
132,600$15.8B0.09%Put
159
MDBMONGODB INC
106,800$15.7B0.09%Put
160
ALLYALLY FINL INC
566,090$15.6B0.09%
161
FIBROGEN INC
285,800$15.5B0.09%Put
162
MOALTRIA GROUP INC
263,000$15.1B0.09%Call
163
SPOTSPOTIFY TECHNOLOGY S A
108,600$15.1B0.09%Call
164
HRBSQUARE INC
197,900$14.8B0.09%Call
165
ZTSZOETIS INC
147,100$14.8B0.09%Put
166
UNITED STATES NATL GAS FUND
624,200$14.7B0.09%Call
167
CVSCVS HEALTH CORP
268,900$14.5B0.09%Call
168
DBDEUTSCHE BANK AG
1,781,913$14.5B0.09%
169
2U INC
200$14.2B0.08%Put
170
ABBVABBVIE INC
174,200$14.0B0.08%Put
171
MELLANOX TECHNOLOGIES LTD
118,500$14.0B0.08%Put
172
NBISYANDEX N V
403,500$13.9B0.08%Call
173
SOSOUTHERN CO
268,000$13.8B0.08%Call
174
SRPTSAREPTA THERAPEUTICS INC
116,000$13.8B0.08%Put
175
TAT&T INC
435,600$13.7B0.08%Call
176
HRBSQUARE INC
181,700$13.6B0.08%Put
177
NXPINXP SEMICONDUCTORS N V
152,800$13.5B0.08%Call
178
LINLINDE PLC
76,700$13.5B0.08%Call
179
PDDPINDUODUO INC
539,100$13.4B0.08%Call
180
OOMAOOMA INC
1,000$13.2B0.08%Put
181
TLRYTILRAY INC
202,000$13.2B0.08%Call
182
LUXOFT HLDG INC
225,000$13.2B0.08%Put
183
AMRNAMARIN CORP PLC
634,400$13.2B0.08%Call
184
WMTWALMART INC
134,900$13.2B0.08%Call
185
TDGTRANSDIGM GROUP INC
28,800$13.1B0.08%Call
186
BLUEBIRD BIO INC
83,100$13.1B0.08%Call
187
HAINHAIN CELESTIAL GROUP INC
561,200$13.0B0.08%Call
188
ICAD INC
2,500$12.9B0.08%Call
189
FISVFISERV INC
146,000$12.9B0.08%Call
190
VLOVALERO ENERGY CORP NEW
151,600$12.9B0.08%Call
191
ABBVABBVIE INC
158,900$12.8B0.08%Call
192
KHCKRAFT HEINZ CO
391,695$12.8B0.08%
193
BBDCBARINGS BDC INC
1,300$12.8B0.08%Put
194
BLACKSTONE GROUP L P
362,200$12.7B0.08%Put
195
LLYLILLY ELI & CO
97,600$12.7B0.08%Put
196
EWEDWARDS LIFESCIENCES CORP
66,000$12.6B0.08%Call
197
VANECK VECTORS ETF TR
563,000$12.6B0.08%Put
198
ARCCARES CAP CORP
731,400$12.5B0.08%Call
199
CIKCREDIT SUISSE GROUP
1,072,041$12.5B0.07%
200
JNJJOHNSON & JOHNSON
88,800$12.4B0.07%Put
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