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
201
TKCTURKCELL ILETISIM HIZMETLERI
73,200$769.0M10.86%Call
202
IMMUNOMEDICS INC
307,700$769.0M10.86%Put
203
QUESTAR CORP
31,000$769.0M10.86%Put
204
LVSLAS VEGAS SANDS CORP
14,815$766.0M10.81%
205
SYMANTEC CORP
41,600$765.0M10.80%Put
206
MASMASCO CORP
24,300$764.0M10.79%Put
207
HPEHEWLETT PACKARD ENTERPRISE C
42,974$762.0M10.76%
208
MOALTRIA GROUP INC
12,161$762.0M10.76%
209
MENTOR GRAPHICS CORP
37,400$760.0M10.73%Call
210
COTYCOTY INC
27,300$760.0M10.73%Put
211
CARRIZO OIL & GAS INC
24,500$758.0M10.70%Put
212
WEBMD HEALTH CORP
12,100$758.0M10.70%Call
213
SUPNSUPERNUS PHARMACEUTICALS INC
49,700$758.0M10.70%Call
214
DRIDARDEN RESTAURANTS INC
11,400$756.0M10.67%Call
215
ALCOBRA LTD
199,031$754.0M10.64%
216
STILLWATER MNG CO
70,800$754.0M10.64%Call
217
BONA FILM GROUP LTD
55,600$753.0M10.63%Put
218
RAREULTRAGENYX PHARMACEUTICAL IN
11,900$753.0M10.63%Put
219
ALAIR LEASE CORP
23,400$752.0M10.62%Call
220
NEWLINK GENETICS CORP
41,298$752.0M10.62%
221
ANTHEM INC
5,400$751.0M10.60%Call
222
ISTAR INC
77,600$750.0M10.59%Put
223
BUCKEYE PARTNERS L P
11,028$749.0M10.57%
224
QEPQEP RES INC
52,989$748.0M10.56%
225
FIVEFIVE BELOW INC
18,100$748.0M10.56%Call
226
DISCOVERY COMMUNICATNS NEW
26,100$747.0M10.55%Call
227
LBTYBLIBERTY GLOBAL PLC
19,382$746.0M10.53%
228
VCYTVERACYTE INC
138,200$746.0M10.53%Put
229
RGENREPLIGEN CORP
27,800$746.0M10.53%Call
230
PROTHENA CORP PLC
18,000$741.0M10.46%Put
231
VSATVIASAT INC
10,000$735.0M10.38%Put
232
TTWOTAKE-TWO INTERACTIVE SOFTWAR
19,500$735.0M10.38%Put
233
KATE SPADE & CO
28,800$735.0M10.38%Call
234
HPHELMERICH & PAYNE INC
12,500$734.0M10.36%Call
235
ZOGENIX INC
79,400$734.0M10.36%Call
236
ITT EDUCATIONAL SERVICES INC
236,800$732.0M10.33%Call
237
E M C CORP MASS
27,432$731.0M10.32%
238
MANITOWOC INC
168,900$731.0M10.32%Put
239
TKRTIMKEN CO
21,800$730.0M10.31%Put
240
EAGLE PHARMACEUTICALS INC
18,000$729.0M10.29%Call
241
NEUSTAR INC
29,600$728.0M10.28%Put
242
BEST BUY INC
22,400$727.0M10.26%Call
243
QLOGIC CORP
54,000$726.0M10.25%Call
244
SMCISUPER MICRO COMPUTER INC
21,300$726.0M10.25%Call
245
USACUSA COMPRESSION PARTNERS LP
61,800$726.0M10.25%Put
246
OLNOLIN CORP
41,600$723.0M10.21%Call
247
WBWEIBO CORP
40,303$723.0M10.21%
248
RUDOLPH TECHNOLOGIES INC
52,800$721.0M10.18%Put
249
CSIQCANADIAN SOLAR INC
37,400$721.0M10.18%Call
250
QTWOQ2 HLDGS INC
30,000$721.0M10.18%Put
251
ICONIX BRAND GROUP INC
89,400$720.0M10.16%Put
252
CENTENE CORP DEL
11,700$720.0M10.16%Call
253
DVAXDYNAVAX TECHNOLOGIES CORP
37,300$718.0M10.14%Call
254
PENGROWTH ENERGY CORP
546,600$716.0M10.11%Call
255
BED BATH & BEYOND INC
14,400$715.0M10.09%Put
256
FERRELLGAS PARTNERS L.P.
41,100$715.0M10.09%Call
257
BONA FILM GROUP LTD
52,728$714.0M10.08%
258
BLUEBIRD BIO INC
16,800$714.0M10.08%Call
259
EXASEXACT SCIENCES CORP
106,000$714.0M10.08%Call
260
BARCLAYS BK PLC
40,486$713.0M10.07%
261
PLAINS GP HLDGS L P
82,000$713.0M10.07%Call
262
MURMURPHY OIL CORP
28,300$713.0M10.07%Call
263
BALL CORP
10,000$713.0M10.07%Put
264
OREALTY INCOME CORP
11,400$713.0M10.07%Call
265
HRTXHERON THERAPEUTICS INC
37,500$712.0M10.05%Put
266
BPOPPOPULAR INC
24,800$710.0M10.02%Call
267
DEPOMED INC
50,800$708.0M10.00%Put
268
REPUBLIC SVCS INC
14,800$705.0M9.95%Call
269
FSLRFIRST SOLAR INC
10,300$705.0M9.95%Put
270
HDBHDFC BANK LTD
11,400$703.0M9.92%Call
271
TSMTAIWAN SEMICONDUCTOR MFG LTD
26,800$702.0M9.91%Call
272
CRREURCARBO CERAMICS INC
49,442$702.0M9.91%
273
TALLGRASS ENERGY GP LP
38,000$702.0M9.91%Call
274
SANBANCO SANTANDER SA
160,940$702.0M9.91%
275
KOCOCA COLA CO
15,100$700.0M9.88%Call
276
AGFIRST MAJESTIC SILVER CORP
107,800$699.0M9.87%Put
277
PVG1EURPRETIUM RES INC
130,464$698.0M9.85%
278
PORTOLA PHARMACEUTICALS INC
34,200$698.0M9.85%Call
279
NATIONSTAR MTG HLDGS INC
70,400$697.0M9.84%Put
280
LYVLIVE NATION ENTERTAINMENT IN
31,200$696.0M9.83%Put
281
VMWARE INC
13,300$696.0M9.83%Call
282
OASIS PETE INC NEW
95,400$695.0M9.81%Put
283
NBIXNEUROCRINE BIOSCIENCES INC
17,559$694.0M9.80%
284
PBFPBF ENERGY INC
20,900$694.0M9.80%Call
285
CALUMET SPECIALTY PRODS PTNR
58,900$692.0M9.77%Put
286
BARRACUDA NETWORKS INC
44,800$690.0M9.74%Put
287
MATADOR RES CO
36,400$690.0M9.74%Call
288
UBIQUITI NETWORKS INC
20,700$689.0M9.73%Put
289
SGMOSANGAMO BIOSCIENCES INC
113,800$688.0M9.71%Call
290
HOLXHOLOGIC INC
19,900$687.0M9.70%Put
291
MOMO INC
61,100$687.0M9.70%Put
292
DGXQUEST DIAGNOSTICS INC
9,600$686.0M9.68%Put
293
FACEBOOK INC
6,000$685.0M9.67%Call
294
COPCONOCOPHILLIPS
17,000$685.0M9.67%Call
295
LIONS GATE ENTMNT CORP
31,300$684.0M9.66%Put
296
JBLJABIL CIRCUIT INC
35,511$684.0M9.66%
297
GTGOODYEAR TIRE & RUBR CO
20,700$683.0M9.64%Put
298
BSXBOSTON SCIENTIFIC CORP
36,300$683.0M9.64%Call
299
NTAPNETAPP INC
25,000$682.0M9.63%Put
300
MICROVISION INC DEL
364,500$682.0M9.63%Call
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