GROUP ONE TRADING LLC Q4 2017 Filing

Filed February 9, 2018

Portfolio Value

$14.2T

Holdings

4,816

Report Date

Q4 2017

Filing Type

13F-HR

All Holdings (4,816 positions)

#StockSharesValue% PortfolioType
101
ENVISION HEALTHCARE CORP
26,126$903.0M0.01%
102
ANAUTONATION INC
17,600$903.0M0.01%Call
103
TAILORED BRANDS INC
41,300$902.0M0.01%Call
104
CCEPCOCA COLA EUROPEAN PARTNERS
22,600$901.0M0.01%Put
105
EVREVERCORE INC
100$900.0M0.01%Call
106
HRTXHERON THERAPEUTICS INC
49,600$898.0M0.01%Put
107
OKEONEOK INC NEW
16,800$898.0M0.01%Put
108
SYNERGY PHARMACEUTICALS DEL
402,200$897.0M0.01%Call
109
SKECHERS U S A INC
23,700$897.0M0.01%Call
110
CNX RESOURCES CORPORATION
61,300$897.0M0.01%Put
111
WSMWILLIAMS SONOMA INC
17,300$894.0M0.01%Put
112
CYRUSONE INC
15,000$893.0M0.01%Call
113
FAIRMOUNT SANTROL HLDGS INC
170,800$893.0M0.01%Call
114
PLNTPLANET FITNESS INC
25,800$893.0M0.01%Call
115
PSECPROSPECT CAPITAL CORPORATION
132,539$893.0M0.01%
116
TEEKAY CORPORATION
95,800$893.0M0.01%Put
117
CCICROWN CASTLE INTL CORP NEW
8,000$888.0M0.01%Put
118
AFLAFLAC INC
10,100$887.0M0.01%Call
119
SAVESPIRIT AIRLS INC
19,699$884.0M0.01%
120
ATHENE HLDG LTD
17,100$884.0M0.01%Call
121
ZZILLOW GROUP INC
21,700$884.0M0.01%Put
122
LEALEAR CORP
5,000$883.0M0.01%Call
123
NEWFIELD EXPL CO
28,000$883.0M0.01%Call
124
COHRII VI INC
18,778$882.0M0.01%
125
GBXGREENBRIER COS INC
16,542$882.0M0.01%
126
AMRNAMARIN CORP PLC
219,695$881.0M0.01%
127
ENDOCYTE INC
205,200$878.0M0.01%Put
128
SUCAMPO PHARMACEUTICALS INC
48,700$874.0M0.01%Put
129
SEADRILL LIMITED
3,773,600$873.0M0.01%Put
130
VULCAN MATLS CO
6,800$873.0M0.01%Put
131
NNNNATIONAL RETAIL PPTYS INC
20,200$871.0M0.01%Call
132
ORCLORACLE CORP
18,373$869.0M0.01%
133
NEOPHOTONICS CORP
131,966$868.0M0.01%
134
GRPNCHFGROUPON INC
170,268$868.0M0.01%
135
SANCHEZ ENERGY CORP
163,500$868.0M0.01%Put
136
HARTFORD FINL SVCS GROUP INC
15,400$867.0M0.01%Put
137
AIMMUNE THERAPEUTICS INC
22,900$866.0M0.01%Call
138
IAGIAMGOLD CORP
148,300$865.0M0.01%Put
139
ACORDA THERAPEUTICS INC
40,300$864.0M0.01%Put
140
EROS INTL PLC
89,400$863.0M0.01%Call
141
GREENBRIER COS INC
16,200$863.0M0.01%Put
142
AMTRUST FINL SVCS INC
85,579$862.0M0.01%
143
DOMTAR CORP
17,400$862.0M0.01%Call
144
NENOBLE CORP PLC
189,941$859.0M0.01%
145
STIFEL FINL CORP
14,400$858.0M0.01%Call
146
TEXTEREX CORP NEW
17,800$858.0M0.01%Call
147
BZUNBAOZUN INC
27,197$858.0M0.01%
148
ENDOLOGIX INC
1,600$856.0M0.01%Call
149
QUREUNIQURE NV
43,600$854.0M0.01%Call
150
ABEONA THERAPEUTICS INC
53,800$853.0M0.01%Put
151
UEOWESTLAKE CHEM CORP
8,003$853.0M0.01%
152
FNDFLOOR & DECOR HLDGS INC
17,500$852.0M0.01%Call
153
DUNKIN BRANDS GROUP INC
13,200$851.0M0.01%Put
154
VOYAVOYA FINL INC
17,200$851.0M0.01%Call
155
ERIIENERGY RECOVERY INC
97,000$849.0M0.01%Put
156
LGIHLGI HOMES INC
11,300$848.0M0.01%Put
157
HRLHORMEL FOODS CORP
23,306$848.0M0.01%
158
NATIONSTAR MTG HLDGS INC
45,826$848.0M0.01%
159
VIRNETX HLDG CORP
228,051$844.0M0.01%
160
ITCIEURINTRA CELLULAR THERAPIES INC
58,182$842.0M0.01%
161
ENTAENANTA PHARMACEUTICALS INC
14,300$839.0M0.01%Call
162
NKENIKE INC
13,400$838.0M0.01%Call
163
ALRMALARM COM HLDGS INC
22,200$838.0M0.01%Put
164
ADAMAS PHARMACEUTICALS INC
24,700$837.0M0.01%Put
165
AIMMUNE THERAPEUTICS INC
22,100$836.0M0.01%Put
166
NOKNOKIA CORP
179,200$835.0M0.01%Put
167
NOWSERVICENOW INC
6,400$835.0M0.01%Call
168
KEYSKEYSIGHT TECHNOLOGIES INC
20,000$832.0M0.01%Put
169
BED BATH & BEYOND INC
37,800$831.0M0.01%Put
170
CBL & ASSOC PPTYS INC
146,687$830.0M0.01%
171
WIXWIX COM LTD
14,408$829.0M0.01%
172
KMXCARMAX INC
12,890$827.0M0.01%
173
UNIVERSAL INS HLDGS INC
30,200$826.0M0.01%Put
174
ARQULE INC
5,000$825.0M0.01%Call
175
AVEO PHARMACEUTICALS INC
295,600$825.0M0.01%Call
176
ATHENAHEALTH INC
6,200$825.0M0.01%Call
177
SANDSANDSTORM GOLD LTD
164,500$821.0M0.01%Put
178
SRC ENERGY INC
96,300$821.0M0.01%Call
179
GLU MOBILE INC
224,900$819.0M0.01%Put
180
CRKCOMSTOCK RES INC
96,808$819.0M0.01%
181
YRDYIRENDAI LTD
18,615$819.0M0.01%
182
COEUR MNG INC
109,200$819.0M0.01%Call
183
CEOCNOOC LTD
5,700$818.0M0.01%
184
SYNCHRONOSS TECHNOLOGIES INC
91,400$817.0M0.01%Put
185
MSFTMICROSOFT CORP
9,500$813.0M0.01%Call
186
NEENEXTERA ENERGY INC
5,200$812.0M0.01%Call
187
HLHECLA MNG CO
204,058$810.0M0.01%
188
ICHRICHOR HOLDINGS
32,876$809.0M0.01%
189
AIZASSURANT INC
8,000$807.0M0.01%Put
190
DERMIRA INC
29,000$806.0M0.01%Put
191
WELLCARE HEALTH PLANS INC
4,000$804.0M0.01%Call
192
AEISADVANCED ENERGY INDS
11,900$803.0M0.01%Call
193
REALOGY HLDGS CORP
30,300$803.0M0.01%Put
194
TPHTRI POINTE GROUP INC
44,700$801.0M0.01%Put
195
CLLSCELLECTIS S A
27,400$799.0M0.01%Call
196
MXMAGNACHIP SEMICONDUCTOR CORP
80,175$798.0M0.01%
197
BBDBANCO BRADESCO S A
77,500$794.0M0.01%Put
198
ARWRARROWHEAD PHARMACEUTICALS IN
215,600$793.0M0.01%Call
199
POSTPOST HLDGS INC
10,000$792.0M0.01%Put
200
NTLAINTELLIA THERAPEUTICS INC
41,100$790.0M0.01%Call
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