GROUP ONE TRADING LLC Q1 2016 Filing

Filed May 12, 2016

Portfolio Value

$7.1B

Holdings

4,548

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (4,548 positions)

#StockSharesValue% PortfolioType
101
IDCCINTERDIGITAL INC
15,800$879.0M12.41%Call
102
SASEABRIDGE GOLD INC
80,100$878.0M12.40%Call
103
MERRIMACK PHARMACEUTICALS IN
104,900$878.0M12.40%Call
104
MXIMMAXIM INTEGRATED PRODS INC
23,837$877.0M12.38%
105
HALOHALOZYME THERAPEUTICS INC
92,600$877.0M12.38%Call
106
LNWOSCIENTIFIC GAMES CORP
92,844$876.0M12.37%
107
ARRAY BIOPHARMA INC
297,100$876.0M12.37%Call
108
FROFRONTLINE LTD
104,700$876.0M12.37%Put
109
VTRVENTAS INC
13,900$875.0M12.35%Put
110
TEXAS INSTRS INC
15,200$873.0M12.33%Call
111
TALLGRASS ENERGY GP LP
47,200$872.0M12.31%Put
112
PINNACLE FOODS INC DEL
19,500$871.0M12.30%Call
113
GTGOODYEAR TIRE & RUBR CO
26,400$871.0M12.30%Call
114
OMEROMEROS CORP
56,700$870.0M12.28%Put
115
CALATLANTIC GROUP INC
25,800$862.0M12.17%Put
116
ONEOK PARTNERS LP
27,400$860.0M12.14%Put
117
KERYX BIOPHARMACEUTICALS INC
184,178$860.0M12.14%
118
GENWORTH FINL INC
314,200$858.0M12.11%Call
119
AAGILENT TECHNOLOGIES INC
21,500$857.0M12.10%Call
120
INSYS THERAPEUTICS INC NEW
53,600$857.0M12.10%Call
121
KSSKOHLS CORP
18,300$853.0M12.04%Call
122
KONGZHONG CORP
118,700$852.0M12.03%Put
123
OLNOLIN CORP
48,900$849.0M11.99%Put
124
GBYSANGAMO BIOSCIENCES INC
140,373$849.0M11.99%
125
ACORDA THERAPEUTICS INC
32,100$849.0M11.99%Put
126
SHIP FINANCE INTERNATIONAL L
61,100$849.0M11.99%Put
127
SUNSUNOCO LP
25,600$848.0M11.97%Put
128
PHMPULTE GROUP INC
45,279$847.0M11.96%
129
FLOFLOWERS FOODS INC
45,900$847.0M11.96%Put
130
FEYECHFFIREEYE INC
47,025$846.0M11.94%
131
BYDBOYD GAMING CORP
40,900$845.0M11.93%Call
132
BXUSDBLACKSTONE GROUP L P
30,135$845.0M11.93%
133
INOVIO PHARMACEUTICALS INC
96,900$844.0M11.92%Put
134
MXMAGNACHIP SEMICONDUCTOR CORP
155,220$844.0M11.92%
135
FLRFLUOR CORP NEW
15,700$843.0M11.90%Put
136
CORMEDIX INC
318,216$843.0M11.90%
137
AETNA INC NEW
7,483$841.0M11.87%
138
AFFYMETRIX INC
59,800$838.0M11.83%Put
139
JA SOLAR HOLDINGS CO LTD
97,100$836.0M11.80%Call
140
VODVODAFONE GROUP PLC NEW
26,039$835.0M11.79%
141
HSTHOST HOTELS & RESORTS INC
50,000$835.0M11.79%Call
142
SABRSABRE CORP
28,800$833.0M11.76%Call
143
QUANTA SVCS INC
36,900$832.0M11.75%Put
144
DHID R HORTON INC
27,500$831.0M11.73%Call
145
JACKJACK IN THE BOX INC
13,000$830.0M11.72%Put
146
MACYS INC
18,800$829.0M11.70%Call
147
OLEDUNIVERSAL DISPLAY CORP
15,300$828.0M11.69%Put
148
CREDIT SUISSE GROUP
58,600$828.0M11.69%Put
149
WHITING PETE CORP NEW
103,622$827.0M11.68%
150
BLUCORA INC
160,300$827.0M11.68%Call
151
COACH INC
20,600$826.0M11.66%Put
152
NDAQNASDAQ INC
12,400$823.0M11.62%Put
153
PROTHENA CORP PLC
20,000$823.0M11.62%Call
154
ATIALLEGHENY TECHNOLOGIES INC
50,400$822.0M11.61%Call
155
EDAEDAP TMS S A
204,125$821.0M11.59%
156
CARDTRONICS INC
22,800$821.0M11.59%Put
157
MARVELL TECHNOLOGY GROUP LTD
79,300$818.0M11.55%Call
158
MAXIM INTEGRATED PRODS INC
22,200$817.0M11.53%Put
159
HECLA MNG CO
293,600$816.0M11.52%Call
160
DISCAUSDDISCOVERY COMMUNICATNS NEW
28,347$812.0M11.46%
161
CAESARS ENTMT CORP
119,000$809.0M11.42%Put
162
CQPCHENIERE ENERGY PARTNERS LP
27,900$805.0M11.37%Call
163
AGIOAGIOS PHARMACEUTICALS INC
19,800$804.0M11.35%Put
164
GSATGLOBALSTAR INC
545,500$802.0M11.32%Put
165
CITIZENS FINL GROUP INC
38,300$802.0M11.32%Put
166
TECKTECK RESOURCES LTD
105,200$801.0M11.31%Call
167
PORTOLA PHARMACEUTICALS INC
39,200$800.0M11.29%Put
168
ZOES KITCHEN INC
20,500$799.0M11.28%Put
169
FLY LEASING LTD
62,700$797.0M11.25%Put
170
CHIPMOS TECH BERMUDA LTD
45,800$796.0M11.24%Call
171
NEWLINK GENETICS CORP
43,700$795.0M11.22%Put
172
EGOELDORADO GOLD CORP NEW
251,359$794.0M11.21%
173
GNC HLDGS INC
25,000$794.0M11.21%Call
174
PIER 1 IMPORTS INC
112,800$791.0M11.17%Call
175
CLOVIS ONCOLOGY INC
41,200$791.0M11.17%Put
176
SEATTLE GENETICS INC
22,500$790.0M11.15%Call
177
COACH INC
19,700$790.0M11.15%Call
178
SYNERGY RES CORP
101,500$789.0M11.14%Call
179
ENERGY XXI LTD
1,263,300$787.0M11.11%Call
180
TTWOTAKE-TWO INTERACTIVE SOFTWAR
20,900$787.0M11.11%Call
181
EROS INTL PLC
68,300$786.0M11.10%Call
182
EAELECTRONIC ARTS INC
11,854$784.0M11.07%
183
PACBPACIFIC BIOSCIENCES CALIF IN
92,200$784.0M11.07%Call
184
CARLYLE GROUP L P
46,400$783.0M11.05%Put
185
DR REDDYS LABS LTD
17,300$782.0M11.04%Put
186
NUSTAR GP HOLDINGS LLC
37,700$782.0M11.04%Call
187
AMERICAN EXPRESS CO
12,700$780.0M11.01%Call
188
UNITED CONTL HLDGS INC
13,000$778.0M10.98%Call
189
NORTHSTAR ASSET MGMT GROUP I
68,500$777.0M10.97%Put
190
IMMUNOMEDICS INC
310,300$776.0M10.96%Call
191
PCGPG&E CORP
13,000$776.0M10.96%Call
192
STILLWATER MNG CO
72,884$776.0M10.96%
193
SIERRA WIRELESS INC
53,300$775.0M10.94%Call
194
INVENSENSE INC
92,000$773.0M10.91%Call
195
GPREGREEN PLAINS INC
48,400$772.0M10.90%Put
196
DICKS SPORTING GOODS INC
16,500$771.0M10.88%Call
197
INTREXON CORP
22,716$770.0M10.87%
198
EXCO RESOURCES INC
778,700$770.0M10.87%Call
199
VACMARRIOTT VACATIONS WRLDWDE C
11,400$770.0M10.87%Call
200
TKCTURKCELL ILETISIM HIZMETLERI
73,200$769.0M10.86%Call
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