GROUP ONE TRADING LLC Q2 2021 Filing

Filed August 10, 2021

Portfolio Value

$82.9M

Holdings

8,103

Report Date

Q2 2021

Filing Type

13F-HR

All Holdings (8,103 positions)

#	Stock	Shares	Value	% Portfolio	Type
301	CALYCALLAWAY GOLF CO	22,721	$766K	0.92%
302	—BROOKFIELD ASSET MGMT INC	15,000	$765K	0.92%	Put
303	—RESONANT INC	238,400	$765K	0.92%	Call
304	CPRTCOPART INC	5,800	$765K	0.92%	Call
305	ICLRICON PLC	3,700	$765K	0.92%	Call
306	URGNUROGEN PHARMA LTD	50,000	$764K	0.92%	Call
307	—DIEBOLD NIXDORF INC	59,500	$764K	0.92%	Put
308	—QIAGEN NV	15,800	$764K	0.92%	Call
309	PLGPLATINUM GROUP METALS LTD	211,100	$764K	0.92%	Call
310	FPIFARMLAND PARTNERS INC	63,400	$764K	0.92%	Call
311	URGNUROGEN PHARMA LTD	50,000	$764K	0.92%	Put
312	—MERIDIAN BIOSCIENCE INC	34,400	$763K	0.92%	Call
313	—CHEETAH MOBILE INC	321,600	$762K	0.92%	Put
314	NGDNEW GOLD INC CDA	420,711	$761K	0.92%
315	WCCWESCO INTL INC	7,400	$761K	0.92%	Call
316	—SUNWORKS INC	72,300	$760K	0.92%	Put
317	GLBSGLOBUS MARITIME LIMITED NEW	195,900	$760K	0.92%	Call
318	ALAIR LEASE CORP	18,191	$759K	0.92%
319	—CENTURY ALUM CO	58,900	$759K	0.92%	Call
320	HIIHUNTINGTON INGALLS INDS INC	3,597	$758K	0.91%
321	ALLTALLOT LTD	38,200	$758K	0.91%	Call
322	PENGSMART GLOBAL HLDGS INC	15,900	$758K	0.91%	Put
323	—IRONSOURCE LTD	72,056	$757K	0.91%
324	—QIAGEN NV	15,632	$756K	0.91%
325	AXTIAXT INC	68,800	$755K	0.91%	Call
326	WWRWESTWATER RES INC	158,660	$755K	0.91%
327	RLRALPH LAUREN CORP	6,404	$754K	0.91%
328	—INSPIRED ENTMT INC	59,100	$754K	0.91%	Call
329	SMPLSIMPLY GOOD FOODS CO	20,600	$752K	0.91%	Call
330	HASIHANNON ARMSTRONG SUST INFR C	13,400	$752K	0.91%	Put
331	—TEXTAINER GROUP HOLDINGS LTD	22,236	$751K	0.91%
332	—YATSEN HLDG LTD	80,043	$750K	0.90%
333	—ADVERUM BIOTECHNOLOGIES INC	213,800	$748K	0.90%	Call
334	FOSLFOSSIL GROUP INC	52,400	$748K	0.90%	Call
335	KODKODIAK SCIENCES INC	8,032	$747K	0.90%
336	CIMCHIMERA INVT CORP	49,598	$747K	0.90%
337	AZOAUTOZONE INC	500	$746K	0.90%	Put
338	GILTGILAT SATELLITE NETWORKS LTD	73,234	$746K	0.90%
339	LPSNLIVEPERSON INC	11,800	$746K	0.90%	Put
340	NATNORDIC AMERICAN TANKERS LIMI	227,242	$745K	0.90%
341	PINGUSDPING IDENTITY HLDG CORP	32,550	$745K	0.90%
342	—MANCHESTER UTD PLC NEW	49,000	$744K	0.90%	Put
343	—MADDEN STEVEN LTD	17,000	$744K	0.90%	Call
344	TFINTRIUMPH BANCORP INC	10,000	$743K	0.90%	Put
345	FLWS1 800 FLOWERS COM INC	23,300	$743K	0.90%	Call
346	SFLSFL CORPORATION LTD	97,100	$743K	0.90%	Call
347	—ANTARES PHARMA INC	170,100	$742K	0.90%	Call
348	—PLANTRONICS INC NEW	17,788	$742K	0.90%
349	—CHINA LIFE INS CO LTD	74,300	$739K	0.89%	Call
350	KMPRKEMPER CORP	10,000	$739K	0.89%	Call
351	DBAINVESCO DB COMMDY INDX TRCK	38,400	$739K	0.89%	Put
352	HMYHARMONY GOLD MINING CO LTD	198,200	$739K	0.89%	Put
353	LDOSLEIDOS HOLDINGS INC	7,300	$738K	0.89%	Call
354	BXCBLUELINX HLDGS INC	14,671	$738K	0.89%
355	BALLBALL CORP	9,100	$737K	0.89%	Call
356	—STEELCASE INC	48,800	$737K	0.89%	Call
357	WIMIWIMI HOLOGRAM CLOUD INC	134,100	$736K	0.89%	Call
358	DOCHEALTHPEAK PROPERTIES INC	22,100	$736K	0.89%	Call
359	FXAINVESCO CURRENCYSHARES CDN D	9,300	$736K	0.89%	Call
360	FORMFORMFACTOR INC	20,200	$736K	0.89%	Call
361	—IAA INC	13,500	$736K	0.89%	Put
362	—AMERICAN EQTY INVT LIFE HLD	22,700	$734K	0.89%	Put
363	GELGENESIS ENERGY L P	63,230	$734K	0.89%
364	GDGENERAL DYNAMICS CORP	3,900	$734K	0.89%	Put
365	LOVELOVESAC COMPANY	9,200	$734K	0.89%	Put
366	—UNITED STS 12 MONTH OIL FD L	28,700	$734K	0.89%	Call
367	—MDU RES GROUP INC	23,400	$733K	0.88%	Call
368	—IDEANOMICS INC	257,657	$732K	0.88%
369	—CORNERSTONE ONDEMAND INC	14,200	$732K	0.88%	Call
370	—JEFFERIES FINL GROUP INC	21,400	$732K	0.88%	Call
371	—DENNYS CORP	44,400	$732K	0.88%	Call
372	NVMINOVA MEASURING INSTRUMENTS L	7,100	$731K	0.88%	Call
373	DACDANAOS CORPORATION	9,500	$730K	0.88%	Put
374	EQNREQUINOR ASA	34,400	$729K	0.88%	Call
375	GILTGILAT SATELLITE NETWORKS LTD	71,500	$728K	0.88%	Put
376	YALAYALLA GROUP LTD	36,400	$728K	0.88%	Call
377	—BRANDYWINE RLTY TR	53,000	$727K	0.88%	Call
378	—LIZHI INC	99,000	$726K	0.88%	Call
379	INGING GROEP N.V.	54,800	$726K	0.88%	Put
380	HAINHAIN CELESTIAL GROUP INC	18,100	$726K	0.88%	Put
381	VCELVERICEL CORP	13,800	$725K	0.87%	Put
382	APTALPHA PRO TECH LTD	84,600	$725K	0.87%	Put
383	HQYHEALTHEQUITY INC	9,000	$724K	0.87%	Put
384	PBFPBF ENERGY INC	47,227	$723K	0.87%
385	—STERICYCLE INC	10,100	$723K	0.87%	Put
386	—ORBITAL ENERGY GROUP INC	165,500	$723K	0.87%	Put
387	UAAUNDER ARMOUR INC	34,117	$722K	0.87%
388	VRRMVERRA MOBILITY CORP	47,000	$722K	0.87%	Put
389	SATSECHOSTAR CORP	29,725	$722K	0.87%
390	UHALAMERCO	1,224	$721K	0.87%
391	RSIRUSH STREET INTERACTIVE INC	58,700	$720K	0.87%	Put
392	LOBLIVE OAK BANCSHARES INC	12,200	$720K	0.87%	Call
393	YEXTYEXT INC	50,400	$720K	0.87%	Put
394	HUBGHUB GROUP INC	10,900	$719K	0.87%	Call
395	—ATERIAN INC	49,100	$718K	0.87%	Put
396	OSURORASURE TECHNOLOGIES INC	70,800	$718K	0.87%	Call
397	AAPLAPPLE INC	5,240,600	$718K	0.87%	Put
398	SEESEALED AIR CORP NEW	12,100	$717K	0.86%	Put
399	HRBBLOCK H & R INC	30,511	$716K	0.86%
400	—EPAM SYS INC	1,400	$715K	0.86%	Put

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