GROUP ONE TRADING LLC Q4 2018 Filing

Filed February 6, 2019

Portfolio Value

$11.5B

Holdings

4,844

Report Date

Q4 2018

Filing Type

13F-HR

All Holdings (4,844 positions)

#StockSharesValue% PortfolioType
201
U S CONCRETE INC
21,400$755.0M6.54%Call
202
PDFSPDF SOLUTIONS INC
89,400$754.0M6.54%Put
203
MLCOMELCO RESORT ENTERTAINMENT L
42,600$751.0M6.51%Call
204
NATNORDIC AMERICAN TANKERS LIMI
373,377$747.0M6.48%
205
LYVLIVE NATION ENTERTAINMENT IN
15,100$744.0M6.45%Call
206
OSISOSI SYSTEMS INC
10,146$744.0M6.45%
207
CVR REFNG LP
71,100$742.0M6.43%Call
208
PEGPUBLIC SVC ENTERPRISE GROUP
14,227$741.0M6.42%
209
UPLDUPLAND SOFTWARE INC
27,256$741.0M6.42%
210
IRDMIRIDIUM COMMUNICATIONS INC
40,100$740.0M6.41%Call
211
AERIE PHARMACEUTICALS INC
20,500$740.0M6.41%Call
212
SONOSONOS INC
75,400$740.0M6.41%Put
213
JUNIPER NETWORKS INC
27,500$740.0M6.41%Call
214
JBGSJBG SMITH PPTYS
21,200$738.0M6.40%Put
215
IRDMIRIDIUM COMMUNICATIONS INC
40,000$738.0M6.40%Put
216
SWN1EURSOUTHWESTERN ENERGY CO
215,548$735.0M6.37%
217
RUNSUNRUN INC
67,500$735.0M6.37%Put
218
CONNS INC
38,900$734.0M6.36%Put
219
TEEKAY OFFSHORE PARTNERS L P
605,800$733.0M6.35%Put
220
OASIS PETE INC NEW
132,600$733.0M6.35%Put
221
CF INDS HLDGS INC
16,800$731.0M6.34%Put
222
DSW INC
29,600$731.0M6.34%Put
223
GOVERNMENT PPTYS INCOME TR
106,400$731.0M6.34%Call
224
CARRIZO OIL & GAS INC
64,500$728.0M6.31%Call
225
HAWAIIAN HOLDINGS INC
27,500$726.0M6.29%Call
226
AKCEA THERAPEUTICS INC
24,100$726.0M6.29%Call
227
INTERSECT ENT INC
25,748$726.0M6.29%
228
ZIOPHARM ONCOLOGY INC
386,700$723.0M6.27%Call
229
SUSUNCOR ENERGY INC NEW
25,808$722.0M6.26%
230
PBFPBF ENERGY INC
22,100$722.0M6.26%Put
231
NENOBLE CORP PLC
275,133$721.0M6.25%
232
CLOUDERA INC
65,200$721.0M6.25%Put
233
SPIRIT AEROSYSTEMS HLDGS INC
10,000$721.0M6.25%Call
234
OCWEN FINL CORP
538,100$721.0M6.25%Put
235
CALXCALIX INC
73,900$721.0M6.25%Call
236
RRRRED ROCK RESORTS INC
35,457$720.0M6.24%
237
IRON MTN INC NEW
22,200$720.0M6.24%Put
238
TGTXTG THERAPEUTICS INC
175,300$719.0M6.23%Put
239
LENDINGCLUB CORP
272,400$716.0M6.21%Put
240
TELTE CONNECTIVITY LTD
9,442$714.0M6.19%
241
ERICERICSSON
80,543$714.0M6.19%
242
ICAHN ENTERPRISES LP
12,500$714.0M6.19%Put
243
FNDFLOOR & DECOR HLDGS INC
27,500$712.0M6.17%Call
244
GW PHARMACEUTICALS PLC
7,300$711.0M6.16%Put
245
PAAPLAINS ALL AMERN PIPELINE L
35,500$711.0M6.16%Put
246
BB&T CORP
16,400$710.0M6.15%Put
247
CANADIAN PAC RY LTD
4,000$710.0M6.15%Put
248
USFDUS FOODS HLDG CORP
22,400$709.0M6.15%Put
249
VIRTU FINL INC
27,500$708.0M6.14%Call
250
DVAXDYNAVAX TECHNOLOGIES CORP
77,252$707.0M6.13%
251
WTWEURWEIGHT WATCHERS INTL INC NEW
18,335$707.0M6.13%
252
GGBGERDAU S A
187,637$706.0M6.12%
253
URIUNITED RENTALS INC
6,877$705.0M6.11%
254
CFCF INDS HLDGS INC
16,207$705.0M6.11%
255
GOVERNMENT PPTYS INCOME TR
102,600$705.0M6.11%Put
256
DKDELEK US HLDGS INC NEW
21,666$704.0M6.10%
257
AESAES CORP
48,600$703.0M6.09%Call
258
ONCBEIGENE LTD
5,000$701.0M6.08%Put
259
DEAN FOODS CO NEW
183,900$701.0M6.08%Put
260
RUBIEURRUBICON PROJ INC
187,893$701.0M6.08%
261
BBVABANCO BILBAO VIZCAYA ARGENTA
132,400$700.0M6.07%Call
262
GNC HLDGS INC
295,000$699.0M6.06%Call
263
NABORS INDUSTRIES LTD
349,600$699.0M6.06%Put
264
PROTHENA CORP PLC
67,800$698.0M6.05%Call
265
CARRIZO OIL & GAS INC
61,846$698.0M6.05%
266
MAXWELL TECHNOLOGIES INC
337,100$698.0M6.05%Call
267
VIRNETX HLDG CORP
289,800$696.0M6.03%Put
268
ARRIS INTL INC
22,700$694.0M6.02%Put
269
ZYNGA INC
176,500$694.0M6.02%Put
270
COUPA SOFTWARE INC
11,000$691.0M5.99%Put
271
LEGLEGGETT & PLATT INC
19,200$688.0M5.96%Put
272
AMBAAMBARELLA INC
19,600$686.0M5.95%Put
273
NATNORDIC AMERICAN TANKERS LIMI
343,000$686.0M5.95%Put
274
TCRTZIOPHARM ONCOLOGY INC
366,514$685.0M5.94%
275
EAFGRAFTECH INTL LTD
59,600$682.0M5.91%Call
276
MARINUS PHARMACEUTICALS INC
237,677$682.0M5.91%
277
DBAINVESCO DB MLTI SECTR CMMTY
40,200$681.0M5.90%Put
278
FOOT LOCKER INC
12,800$681.0M5.90%Call
279
NVCRNOVOCURE LTD
20,300$680.0M5.89%Call
280
PRGOPERRIGO CO PLC
17,500$678.0M5.88%Call
281
GRMNGARMIN LTD
10,700$678.0M5.88%Call
282
VSATVIASAT INC
11,500$678.0M5.88%Call
283
CPRTCOPART INC
14,200$678.0M5.88%Put
284
OMEROMEROS CORP
60,716$676.0M5.86%
285
CIGCOMPANHIA ENERGETICA DE MINA
189,851$676.0M5.86%
286
GTGOODYEAR TIRE & RUBR CO
33,131$676.0M5.86%
287
LANNET INC
136,100$675.0M5.85%Put
288
WPMWHEATON PRECIOUS METALS CORP
34,490$674.0M5.84%
289
SINCLAIR BROADCAST GROUP INC
25,600$674.0M5.84%Call
290
ZSZSCALER INC
17,189$674.0M5.84%
291
CRBPCORBUS PHARMACEUTICALS HLDGS
115,200$673.0M5.83%Put
292
HALHALLIBURTON CO
25,300$672.0M5.83%Call
293
SFIXSTITCH FIX INC
39,200$670.0M5.81%Call
294
PROTHENA CORP PLC
64,900$668.0M5.79%Put
295
TSCOTRACTOR SUPPLY CO
8,000$668.0M5.79%Put
296
SYNCHRONOSS TECHNOLOGIES INC
108,200$664.0M5.76%Put
297
ORCLORACLE CORP
14,700$664.0M5.76%Call
298
NFLXNETFLIX INC
2,481$664.0M5.76%
299
THERAPEUTICSMD INC
173,800$662.0M5.74%Call
300
BCBRUNSWICK CORP
14,200$660.0M5.72%Put
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