GROUP ONE TRADING LLC Q3 2018 Filing

Filed November 8, 2018

Portfolio Value

$12.7B

Holdings

5,172

Report Date

Q3 2018

Filing Type

13F-HR

All Holdings (5,172 positions)

#StockSharesValue% PortfolioType
201
ATIALLEGHENY TECHNOLOGIES INC
26,500$783.0M6.19%Put
202
GREENSKY INC
43,500$783.0M6.19%Call
203
SHELL MIDSTREAM PARTNERS L P
36,600$783.0M6.19%Put
204
MOSMOSAIC CO NEW
24,000$780.0M6.16%Put
205
MICHAELS COS INC
48,000$779.0M6.16%Put
206
RPMRPM INTL INC
12,000$779.0M6.16%Put
207
GWREGUIDEWIRE SOFTWARE INC
7,700$778.0M6.15%Put
208
GDDYGODADDY INC
9,300$776.0M6.13%Call
209
ATENA10 NETWORKS INC
127,197$773.0M6.11%
210
JAZZJAZZ PHARMACEUTICALS PLC
4,600$773.0M6.11%Call
211
SUSUNCOR ENERGY INC NEW
19,900$770.0M6.08%Put
212
KOSMOS ENERGY LTD
82,300$770.0M6.08%Call
213
FNDFLOOR & DECOR HLDGS INC
25,500$769.0M6.08%Call
214
CTRACABOT OIL & GAS CORP
34,101$768.0M6.07%
215
USFDUS FOODS HLDG CORP
24,900$767.0M6.06%Call
216
FOLDAMICUS THERAPEUTICS INC
63,400$767.0M6.06%Put
217
AUPHAURINIA PHARMACEUTICALS INC
115,489$767.0M6.06%
218
PTCTPTC THERAPEUTICS INC
16,300$766.0M6.05%Call
219
PRGOPERRIGO CO PLC
10,800$765.0M6.05%Call
220
WMWASTE MGMT INC DEL
8,440$763.0M6.03%
221
MEI PHARMA INC
176,700$762.0M6.02%Call
222
BRF SA
138,900$761.0M6.01%Put
223
ASPSALTISOURCE PORTFOLIO SOLNS S
23,600$761.0M6.01%Put
224
AMRXAMNEAL PHARMACEUTICALS INC
34,090$756.0M5.97%
225
TSLATESLA INC
2,851$755.0M5.97%
226
NUENUCOR CORP
11,900$755.0M5.97%Call
227
PIVOTAL SOFTWARE INC
38,400$752.0M5.94%Call
228
GREENSKY INC
41,719$751.0M5.93%
229
AXOVANT SCIENCES LTD
310,300$751.0M5.93%Call
230
DPZDOMINOS PIZZA INC
2,543$750.0M5.93%
231
CORNERSTONE ONDEMAND INC
13,200$749.0M5.92%Call
232
PIONEER NAT RES CO
4,300$749.0M5.92%Call
233
DKDELEK US HLDGS INC NEW
17,636$748.0M5.91%
234
AMRXAMNEAL PHARMACEUTICALS INC
33,700$748.0M5.91%Put
235
TRINITY INDS INC
20,400$747.0M5.90%Call
236
FHNFIRST HORIZON NATL CORP
43,300$747.0M5.90%Put
237
WTTRSELECT ENERGY SVCS INC
63,000$746.0M5.89%Call
238
INSYS THERAPEUTICS INC NEW
73,900$745.0M5.89%Call
239
ATENA10 NETWORKS INC
122,500$745.0M5.89%Put
240
RRRRED ROCK RESORTS INC
27,960$745.0M5.89%
241
ODPEUROFFICE DEPOT INC
231,795$744.0M5.88%
242
EVERBRIDGE INC
12,900$744.0M5.88%Call
243
HCIHCI GROUP INC
17,000$744.0M5.88%Put
244
AMATAPPLIED MATLS INC
19,258$744.0M5.88%
245
SPECTRA ENERGY PARTNERS LP
20,800$743.0M5.87%Put
246
RENREN INC
525,900$742.0M5.86%Put
247
APOAPOLLO GLOBAL MGMT LLC
21,470$742.0M5.86%
248
BLUE APRON HLDGS INC
429,000$738.0M5.83%Call
249
BB4AXOS FINL INC
21,395$736.0M5.82%
250
CERIDIAN HCM HLDG INC
17,400$731.0M5.78%Put
251
NFGNATIONAL FUEL GAS CO N J
13,000$729.0M5.76%Call
252
RHIRHYTHM TECHNOLOGIES INC
7,700$729.0M5.76%Call
253
FLEETCOR TECHNOLOGIES INC
3,200$729.0M5.76%Put
254
EXTREXTREME NETWORKS INC
133,000$729.0M5.76%Call
255
JAGGED PEAK ENERGY INC
52,696$729.0M5.76%
256
CHGGCHEGG INC
25,600$728.0M5.75%Call
257
DIAMOND OFFSHORE DRILLING IN
36,400$728.0M5.75%Call
258
MEET GROUP INC
147,100$728.0M5.75%Put
259
TREEHOUSE FOODS INC
15,200$727.0M5.74%Call
260
BWABORGWARNER INC
17,000$727.0M5.74%Put
261
HEALTH INS INNOVATIONS INC
11,800$727.0M5.74%Put
262
DQDAQO NEW ENERGY CORP
27,800$726.0M5.74%Put
263
VSATVIASAT INC
11,300$723.0M5.71%Call
264
TEXTEREX CORP NEW
18,100$722.0M5.71%Call
265
GOVERNMENT PPTYS INCOME TR
63,812$720.0M5.69%
266
GLPIGAMING & LEISURE PPTYS INC
20,400$719.0M5.68%Call
267
UNITEDHEALTH GROUP INC
2,700$718.0M5.67%Call
268
CXCEMEX SAB DE CV
101,700$716.0M5.66%Call
269
GRACE W R & CO DEL NEW
10,000$715.0M5.65%Put
270
RRGBRED ROBIN GOURMET BURGERS IN
17,800$715.0M5.65%Put
271
GOGOGOGO INC
137,700$715.0M5.65%Call
272
AMYRIS INC
90,100$715.0M5.65%Put
273
TPDTEMPUR SEALY INTL INC
13,517$715.0M5.65%
274
LELANDS END INC NEW
40,666$714.0M5.64%
275
VSTVISTRA ENERGY CORP
28,589$711.0M5.62%
276
HCAHCA HEALTHCARE INC
5,100$710.0M5.61%Put
277
ELLIE MAE INC
7,461$707.0M5.59%
278
WYWEYERHAEUSER CO
21,800$703.0M5.56%Put
279
PIIMPINJ INC
28,300$702.0M5.55%Call
280
HAWAIIAN HOLDINGS INC
17,500$702.0M5.55%Put
281
BBVABANCO BILBAO VIZCAYA ARGENTA
111,060$700.0M5.53%
282
INTEGRATED DEVICE TECHNOLOGY
14,900$700.0M5.53%Put
283
GMEGAMESTOP CORP NEW
45,832$700.0M5.53%
284
AKORN INC
53,787$698.0M5.52%
285
BELMOND LTD
38,148$696.0M5.50%
286
NIONIO INC
99,600$695.0M5.49%Put
287
JKSJINKOSOLAR HLDG CO LTD
64,403$694.0M5.48%
288
LGNDLIGAND PHARMACEUTICALS INC
2,527$694.0M5.48%
289
MICRO FOCUS INTERNATIONAL PL
37,500$693.0M5.48%Put
290
SPARK THERAPEUTICS INC
12,700$693.0M5.48%Put
291
CBOECBOE GLOBAL MARKETS INC
7,220$693.0M5.48%
292
THERAPEUTICSMD INC
105,700$693.0M5.48%Call
293
US BANCORP DEL
13,100$692.0M5.47%Call
294
KBHKB HOME
28,900$691.0M5.46%Put
295
LAREDO PETROLEUM INC
84,200$688.0M5.44%Put
296
CARRIZO OIL & GAS INC
27,200$685.0M5.41%Call
297
GLU MOBILE INC
91,800$684.0M5.40%Put
298
FISVFISERV INC
8,300$684.0M5.40%Call
299
AXAXOS FINL INC
19,900$684.0M5.40%Call
300
ATLASSIAN CORP PLC
7,100$683.0M5.40%Put
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