GROUP ONE TRADING LLC Q2 2021 Filing

Filed August 10, 2021

Portfolio Value

$82.9T

Holdings

8,103

Report Date

Q2 2021

Filing Type

13F-HR

All Holdings (8,103 positions)

#StockSharesValue% PortfolioType
301
CALYCALLAWAY GOLF CO
22,721$766.0M0.00%
302
ICLRICON PLC
3,700$765.0M0.00%Call
303
CPRTCOPART INC
5,800$765.0M0.00%Call
304
RESONANT INC
238,400$765.0M0.00%Call
305
BROOKFIELD ASSET MGMT INC
15,000$765.0M0.00%Put
306
DIEBOLD NIXDORF INC
59,500$764.0M0.00%Put
307
QIAGEN NV
15,800$764.0M0.00%Call
308
PLGPLATINUM GROUP METALS LTD
211,100$764.0M0.00%Call
309
URGNUROGEN PHARMA LTD
50,000$764.0M0.00%Put
310
URGNUROGEN PHARMA LTD
50,000$764.0M0.00%Call
311
FPIFARMLAND PARTNERS INC
63,400$764.0M0.00%Call
312
MERIDIAN BIOSCIENCE INC
34,400$763.0M0.00%Call
313
CHEETAH MOBILE INC
321,600$762.0M0.00%Put
314
WCCWESCO INTL INC
7,400$761.0M0.00%Call
315
NGDNEW GOLD INC CDA
420,711$761.0M0.00%
316
GLBSGLOBUS MARITIME LIMITED NEW
195,900$760.0M0.00%Call
317
SUNWORKS INC
72,300$760.0M0.00%Put
318
CENTURY ALUM CO
58,900$759.0M0.00%Call
319
ALAIR LEASE CORP
18,191$759.0M0.00%
320
PENGSMART GLOBAL HLDGS INC
15,900$758.0M0.00%Put
321
HIIHUNTINGTON INGALLS INDS INC
3,597$758.0M0.00%
322
ALLTALLOT LTD
38,200$758.0M0.00%Call
323
IRONSOURCE LTD
72,056$757.0M0.00%
324
QIAGEN NV
15,632$756.0M0.00%
325
AXTIAXT INC
68,800$755.0M0.00%Call
326
WWRWESTWATER RES INC
158,660$755.0M0.00%
327
INSPIRED ENTMT INC
59,100$754.0M0.00%Call
328
RLRALPH LAUREN CORP
6,404$754.0M0.00%
329
HASIHANNON ARMSTRONG SUST INFR C
13,400$752.0M0.00%Put
330
SMPLSIMPLY GOOD FOODS CO
20,600$752.0M0.00%Call
331
TEXTAINER GROUP HOLDINGS LTD
22,236$751.0M0.00%
332
YATSEN HLDG LTD
80,043$750.0M0.00%
333
FOSLFOSSIL GROUP INC
52,400$748.0M0.00%Call
334
ADVERUM BIOTECHNOLOGIES INC
213,800$748.0M0.00%Call
335
KODKODIAK SCIENCES INC
8,032$747.0M0.00%
336
CIMCHIMERA INVT CORP
49,598$747.0M0.00%
337
LPSNLIVEPERSON INC
11,800$746.0M0.00%Put
338
AZOAUTOZONE INC
500$746.0M0.00%Put
339
GILTGILAT SATELLITE NETWORKS LTD
73,234$746.0M0.00%
340
NATNORDIC AMERICAN TANKERS LIMI
227,242$745.0M0.00%
341
PINGUSDPING IDENTITY HLDG CORP
32,550$745.0M0.00%
342
MADDEN STEVEN LTD
17,000$744.0M0.00%Call
343
MANCHESTER UTD PLC NEW
49,000$744.0M0.00%Put
344
TFINTRIUMPH BANCORP INC
10,000$743.0M0.00%Put
345
FLWS1 800 FLOWERS COM INC
23,300$743.0M0.00%Call
346
SFLSFL CORPORATION LTD
97,100$743.0M0.00%Call
347
ANTARES PHARMA INC
170,100$742.0M0.00%Call
348
PLANTRONICS INC NEW
17,788$742.0M0.00%
349
DBAINVESCO DB COMMDY INDX TRCK
38,400$739.0M0.00%Put
350
KMPRKEMPER CORP
10,000$739.0M0.00%Call
351
HMYHARMONY GOLD MINING CO LTD
198,200$739.0M0.00%Put
352
CHINA LIFE INS CO LTD
74,300$739.0M0.00%Call
353
BXCBLUELINX HLDGS INC
14,671$738.0M0.00%
354
LDOSLEIDOS HOLDINGS INC
7,300$738.0M0.00%Call
355
BALLBALL CORP
9,100$737.0M0.00%Call
356
STEELCASE INC
48,800$737.0M0.00%Call
357
DOCHEALTHPEAK PROPERTIES INC
22,100$736.0M0.00%Call
358
FORMFORMFACTOR INC
20,200$736.0M0.00%Call
359
FXAINVESCO CURRENCYSHARES CDN D
9,300$736.0M0.00%Call
360
IAA INC
13,500$736.0M0.00%Put
361
WIMIWIMI HOLOGRAM CLOUD INC
134,100$736.0M0.00%Call
362
GDGENERAL DYNAMICS CORP
3,900$734.0M0.00%Put
363
LOVELOVESAC COMPANY
9,200$734.0M0.00%Put
364
UNITED STS 12 MONTH OIL FD L
28,700$734.0M0.00%Call
365
AMERICAN EQTY INVT LIFE HLD
22,700$734.0M0.00%Put
366
GELGENESIS ENERGY L P
63,230$734.0M0.00%
367
MDU RES GROUP INC
23,400$733.0M0.00%Call
368
IDEANOMICS INC
257,657$732.0M0.00%
369
DENNYS CORP
44,400$732.0M0.00%Call
370
JEFFERIES FINL GROUP INC
21,400$732.0M0.00%Call
371
CORNERSTONE ONDEMAND INC
14,200$732.0M0.00%Call
372
NVMINOVA MEASURING INSTRUMENTS L
7,100$731.0M0.00%Call
373
DACDANAOS CORPORATION
9,500$730.0M0.00%Put
374
EQNREQUINOR ASA
34,400$729.0M0.00%Call
375
YALAYALLA GROUP LTD
36,400$728.0M0.00%Call
376
GILTGILAT SATELLITE NETWORKS LTD
71,500$728.0M0.00%Put
377
BRANDYWINE RLTY TR
53,000$727.0M0.00%Call
378
HAINHAIN CELESTIAL GROUP INC
18,100$726.0M0.00%Put
379
INGING GROEP N.V.
54,800$726.0M0.00%Put
380
LIZHI INC
99,000$726.0M0.00%Call
381
VCELVERICEL CORP
13,800$725.0M0.00%Put
382
APTALPHA PRO TECH LTD
84,600$725.0M0.00%Put
383
HQYHEALTHEQUITY INC
9,000$724.0M0.00%Put
384
PBFPBF ENERGY INC
47,227$723.0M0.00%
385
ORBITAL ENERGY GROUP INC
165,500$723.0M0.00%Put
386
STERICYCLE INC
10,100$723.0M0.00%Put
387
VRRMVERRA MOBILITY CORP
47,000$722.0M0.00%Put
388
SATSECHOSTAR CORP
29,725$722.0M0.00%
389
UAAUNDER ARMOUR INC
34,117$722.0M0.00%
390
UHALAMERCO
1,224$721.0M0.00%
391
LOBLIVE OAK BANCSHARES INC
12,200$720.0M0.00%Call
392
RSIRUSH STREET INTERACTIVE INC
58,700$720.0M0.00%Put
393
YEXTYEXT INC
50,400$720.0M0.00%Put
394
HUBGHUB GROUP INC
10,900$719.0M0.00%Call
395
ATERIAN INC
49,100$718.0M0.00%Put
396
OSURORASURE TECHNOLOGIES INC
70,800$718.0M0.00%Call
397
AAPLAPPLE INC
5,240,600$717.8M0.00%Put
398
SEESEALED AIR CORP NEW
12,100$717.0M0.00%Put
399
HRBBLOCK H & R INC
30,511$716.0M0.00%
400
EPAM SYS INC
1,400$715.0M0.00%Put
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