GROUP ONE TRADING LLC Q1 2019 Filing

Filed May 13, 2019

Portfolio Value

$16.7B

Holdings

4,769

Report Date

Q1 2019

Filing Type

13F-HR

All Holdings (4,769 positions)

#StockSharesValue% PortfolioType
201
CHKPCHECK POINT SOFTWARE TECH LT
6,000$759.0M4.55%Call
202
NBIXNEUROCRINE BIOSCIENCES INC
8,600$758.0M4.55%Call
203
WELBILT INC
46,300$758.0M4.55%Call
204
RITE AID CORP
1,194,300$758.0M4.55%Put
205
FNKOFUNKO INC
34,776$755.0M4.53%
206
KGCKINROSS GOLD CORP
219,500$755.0M4.53%Call
207
NVSNNOVARTIS A G
7,832$753.0M4.52%
208
RANGE RES CORP
66,700$750.0M4.50%Put
209
ILMNILLUMINA INC
2,413$750.0M4.50%
210
NFLXNETFLIX INC
2,100$749.0M4.49%Put
211
VKTXVIKING THERAPEUTICS INC
75,284$748.0M4.49%
212
PLDPROLOGIS INC
10,400$748.0M4.49%Call
213
UAAUNDER ARMOUR INC
35,399$748.0M4.49%
214
STNGSCORPIO TANKERS INC
37,600$746.0M4.47%Put
215
FIBROGEN INC
13,700$745.0M4.47%Call
216
GNWGENWORTH FINL INC
193,790$742.0M4.45%
217
FORTRESS TRANS INFRST INVS L
43,300$741.0M4.44%Put
218
VFFVILLAGE FARMS INTL INC
52,800$740.0M4.44%Put
219
IAGIAMGOLD CORP
213,200$740.0M4.44%Call
220
LAURLAUREATE EDUCATION INC
49,353$739.0M4.43%
221
WABTEC CORP
10,000$737.0M4.42%Put
222
BRIXMOR PPTY GROUP INC
40,100$737.0M4.42%Call
223
NXSTNEXSTAR MEDIA GROUP INC
6,800$737.0M4.42%Put
224
INFYINFOSYS LTD
67,302$736.0M4.41%
225
REZIRESIDEO TECHNOLOGIES INC
38,100$735.0M4.41%Call
226
CACCCREDIT ACCEP CORP MICH
1,626$735.0M4.41%
227
FASTFASTENAL CO
11,400$733.0M4.40%Put
228
LMEURLEGG MASON INC
26,798$733.0M4.40%
229
INSGEURINSEEGO CORP
155,371$733.0M4.40%
230
NGGNATIONAL GRID PLC
13,101$732.0M4.39%
231
HEIHEICO CORP NEW
7,700$731.0M4.38%Call
232
ATHENE HLDG LTD
17,910$731.0M4.38%
233
THERAPEUTICSMD INC
149,761$729.0M4.37%
234
CRTOCRITEO S A
36,400$729.0M4.37%Call
235
TROXTRONOX HOLDINGS PLC
55,442$729.0M4.37%
236
AMRSEURAMYRIS INC
348,708$729.0M4.37%
237
DRIDARDEN RESTAURANTS INC
6,000$729.0M4.37%Call
238
SIRIUS XM HLDGS INC
128,600$729.0M4.37%Put
239
CBOECBOE GLOBAL MARKETS INC
7,600$725.0M4.35%Put
240
CFGCITIZENS FINL GROUP INC
22,312$725.0M4.35%
241
WILLIAMS COS INC DEL
25,200$724.0M4.34%Put
242
FCXFREEPORT-MCMORAN INC
56,200$724.0M4.34%Call
243
EOLSEVOLUS INC
32,087$724.0M4.34%
244
SPBSPECTRUM BRANDS HLDGS INC NE
13,200$723.0M4.34%Put
245
BIG LOTS INC
19,000$722.0M4.33%Put
246
SIGASIGA TECHNOLOGIES INC
120,000$721.0M4.32%Put
247
ANFABERCROMBIE & FITCH CO
26,300$721.0M4.32%Call
248
QEP RES INC
92,400$720.0M4.32%Put
249
TKCTURKCELL ILETISIM HIZMETLERI
134,400$720.0M4.32%Put
250
ALKALASKA AIR GROUP INC
12,823$720.0M4.32%
251
LEALEAR CORP
5,300$719.0M4.31%Call
252
WTIW & T OFFSHORE INC
104,000$718.0M4.31%Call
253
SOUTHWESTERN ENERGY CO
153,100$718.0M4.31%Call
254
SFIXSTITCH FIX INC
25,418$718.0M4.31%
255
THERAPEUTICSMD INC
147,300$717.0M4.30%Call
256
ADSKAUTODESK INC
4,600$717.0M4.30%Call
257
AMERICAN MIDSTREAM PARTNERS
138,400$716.0M4.29%Put
258
CRTOCRITEO S A
35,762$716.0M4.29%
259
FBINFORTUNE BRANDS HOME & SEC IN
15,000$714.0M4.28%Call
260
NABORS INDUSTRIES LTD
207,600$714.0M4.28%Call
261
TECKTECK RESOURCES LTD
30,600$709.0M4.25%Call
262
DQDAQO NEW ENERGY CORP
21,466$709.0M4.25%
263
C&J ENERGY SVCS INC NEW
45,685$709.0M4.25%
264
BZHBEAZER HOMES USA INC
61,500$708.0M4.25%Call
265
PCRXPACIRA PHARMACEUTICALS INC
18,600$708.0M4.25%Call
266
PIIMPINJ INC
42,236$708.0M4.25%
267
NIELSEN HLDGS PLC
29,845$706.0M4.23%
268
EROS INTL PLC
77,090$705.0M4.23%
269
CARBO CERAMICS INC
201,000$704.0M4.22%Put
270
ANFABERCROMBIE & FITCH CO
25,600$702.0M4.21%Put
271
PORTOLA PHARMACEUTICALS INC
20,200$701.0M4.20%Put
272
G3VGREEN PLAINS INC
42,040$701.0M4.20%
273
BELMOND LTD
28,100$701.0M4.20%Put
274
AGIOAGIOS PHARMACEUTICALS INC
10,400$701.0M4.20%Put
275
ASSERTIO THERAPEUTICS INC
137,900$699.0M4.19%Call
276
TCRTZIOPHARM ONCOLOGY INC
181,195$698.0M4.19%
277
WEATHERFORD INTL PLC
999,700$698.0M4.19%Call
278
TOLTOLL BROTHERS INC
19,200$695.0M4.17%Put
279
SUSUNCOR ENERGY INC NEW
21,400$694.0M4.16%Put
280
DKDELEK US HLDGS INC NEW
19,000$692.0M4.15%Put
281
FLUENT INC
123,100$692.0M4.15%Call
282
UCTTULTRA CLEAN HLDGS INC
66,900$692.0M4.15%Put
283
PNRPENTAIR PLC
15,500$690.0M4.14%Put
284
EQTEQT CORP
33,200$689.0M4.13%Call
285
UBIQUITI NETWORKS INC
4,600$689.0M4.13%Call
286
BBYBEST BUY INC
9,700$689.0M4.13%Call
287
TRUPTRUPANION INC
21,000$688.0M4.13%Put
288
FBPFIRST BANCORP P R
59,700$684.0M4.10%Put
289
OLLIES BARGAIN OUTLT HLDGS I
8,000$683.0M4.10%Put
290
SYNASYNAPTICS INC
17,100$680.0M4.08%Put
291
SRGSERITAGE GROWTH PPTYS
15,300$680.0M4.08%Put
292
JINKOSOLAR HLDG CO LTD
37,700$679.0M4.07%Call
293
CVLTCOMMVAULT SYSTEMS INC
10,488$679.0M4.07%
294
CYMABAY THERAPEUTICS INC
51,100$679.0M4.07%Call
295
TAKTAKEDA PHARMACEUTICAL CO LTD
33,300$678.0M4.07%Call
296
COVETRUS INC
21,300$678.0M4.07%Put
297
TATA MTRS LTD
53,900$677.0M4.06%Call
298
TIVO CORP
72,600$677.0M4.06%Put
299
ARANTERO RES CORP
76,600$676.0M4.05%Put
300
STARS GROUP INC
38,600$676.0M4.05%Put
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