GROUP ONE TRADING LLC Q2 2019 Filing

Filed August 9, 2019

Portfolio Value

$11.1M

Holdings

4,933

Report Date

Q2 2019

Filing Type

13F-HR

All Holdings (4,933 positions)

#	Stock	Shares	Value	% Portfolio	Type
3401	BSACBANCO SANTANDER CHILE NEW	3,200	$96K	0.87%	Put
3402	—STERICYCLE INC	2,000	$96K	0.87%	Put
3403	PKPARK HOTELS RESORTS INC	3,500	$96K	0.87%	Call
3404	BLMNBLOOMIN BRANDS INC	5,000	$95K	0.86%	Call
3405	GFFGRIFFON CORP	5,600	$95K	0.86%	Call
3406	—RELIANCE STEEL & ALUMINUM CO	1,000	$95K	0.86%	Call
3407	MRKRMARKER THERAPEUTICS INC	12,000	$95K	0.86%	Call
3408	—M D C HLDGS INC	2,900	$95K	0.86%	Call
3409	LPSNLIVEPERSON INC	3,400	$95K	0.86%	Put
3410	SIEBSIEBERT FINL CORP	10,600	$95K	0.86%	Call
3411	—COMPANIA DE MINAS BUENAVENTU	5,700	$95K	0.86%	Call
3412	ABALLIANCEBERNSTEIN HOLDING LP	3,200	$95K	0.86%	Call
3413	DHTDHT HOLDINGS INC	16,000	$95K	0.86%	Put
3414	CORECORE MARK HOLDING CO INC	2,393	$95K	0.86%
3415	—VERSO CORP	5,000	$95K	0.86%	Put
3416	—COOPER TIRE & RUBR CO	3,000	$95K	0.86%	Put
3417	LM03LIBERTY MEDIA CORP DELAWARE	2,500	$95K	0.86%
3418	GSMFERROGLOBE PLC	55,400	$94K	0.85%	Call
3419	CHDCHURCH & DWIGHT INC	1,290	$94K	0.85%
3420	—ARCH COAL INC	1,000	$94K	0.85%	Call
3421	RUTHUSDRUTHS HOSPITALITY GROUP INC	4,149	$94K	0.85%
3422	—AVALARA INC	1,300	$94K	0.85%	Put
3423	IGCINDIA GLOBALIZATION CAP INC	57,300	$94K	0.85%	Call
3424	—OVERSEAS SHIPHOLDING GROUP I	49,900	$94K	0.85%	Put
3425	—SCORPIO BULKERS INC	20,400	$94K	0.85%	Put
3426	LPXLOUISIANA PAC CORP	3,600	$94K	0.85%	Call
3427	—SIBANYE STILLWATER	19,500	$93K	0.84%	Put
3428	ALDXALDEYRA THERAPEUTICS INC	15,463	$93K	0.84%
3429	TBPHTHERAVANCE BIOPHARMA INC	5,700	$93K	0.84%	Call
3430	—INTRICON CORP	4,000	$93K	0.84%	Put
3431	VRNSVARONIS SYS INC	1,500	$93K	0.84%	Put
3432	—STEMLINE THERAPEUTICS INC	6,100	$93K	0.84%	Put
3433	—BOINGO WIRELESS INC	5,100	$92K	0.83%	Call
3434	LPLLG DISPLAY CO LTD	11,930	$92K	0.83%
3435	GLNGGOLAR LNG LTD BERMUDA	4,965	$92K	0.83%
3436	CMCM1EURCHEETAH MOBILE INC	25,920	$92K	0.83%
3437	ZM3ZUMIEZ INC	3,537	$92K	0.83%
3438	RAVERAVE RESTAURANT GROUP INC	30,000	$92K	0.83%	Call
3439	—BOINGO WIRELESS INC	5,112	$92K	0.83%
3440	SONOSONOS INC	8,100	$92K	0.83%	Call
3441	—MARATHON PATENT GROUP INC	31,900	$92K	0.83%	Call
3442	—RIGEL PHARMACEUTICALS INC	35,200	$92K	0.83%	Call
3443	SMTCSEMTECH CORP	1,922	$92K	0.83%
3444	—WAGEWORKS INC	1,800	$91K	0.82%	Call
3445	RRDEURDONNELLEY R R & SONS CO	46,083	$91K	0.82%
3446	WVEWAVE LIFE SCIENCES LTD	3,500	$91K	0.82%	Put
3447	—GOLDEN STAR RES LTD CDA	22,600	$91K	0.82%	Call
3448	—UNIVERSAL HLTH SVCS INC	700	$91K	0.82%	Call
3449	35VVEON LTD	32,142	$90K	0.81%
3450	BSMBLACK STONE MINERALS L P	5,800	$90K	0.81%	Put
3451	OMCOMNICOM GROUP INC	1,100	$90K	0.81%	Put
3452	BAXBAXTER INTL INC	1,100	$90K	0.81%	Call
3453	—EYEPOINT PHARMACEUTICALS INC	54,600	$90K	0.81%	Put
3454	—SAILPOINT TECHNLGIES HLDGS I	4,500	$90K	0.81%	Put
3455	—ATHERSYS INC	53,000	$89K	0.81%	Call
3456	—DEAN FOODS CO NEW	95,800	$89K	0.81%	Put
3457	—DOVA PHARMACEUTICALS INC	6,300	$89K	0.81%	Call
3458	FLWSFLWS/1-800 FLOWERS	4,700	$89K	0.81%	Call
3459	—BLACKSTONE MTG TR INC	2,500	$89K	0.81%	Call
3460	BOOTBOOT BARN HLDGS INC	2,500	$89K	0.81%	Put
3461	GDENGOLDEN ENTMT INC	6,368	$89K	0.81%
3462	WALWESTERN ALLIANCE BANCORP	2,000	$89K	0.81%	Call
3463	—VIRTUSA CORP	1,992	$89K	0.81%
3464	PGPROCTER AND GAMBLE CO	800	$88K	0.80%	Put
3465	—WASHINGTON PRIME GROUP NEW	23,000	$88K	0.80%	Put
3466	VCYTVERACYTE INC	3,100	$88K	0.80%	Put
3467	—BLUCORA INC	2,900	$88K	0.80%	Call
3468	CHDCHURCH & DWIGHT INC	1,200	$88K	0.80%	Call
3469	—CARE COM INC	8,000	$88K	0.80%	Put
3470	RHT1EURRED HAT INC	467	$88K	0.80%
3471	STSENSATA TECHNOLOGIES HLDNG P	1,800	$88K	0.80%	Call
3472	—WYNDHAM DESTINATIONS INC	2,000	$88K	0.80%	Put
3473	—LOGMEIN INC	1,200	$88K	0.80%	Call
3474	—ROCKWELL MED INC	29,100	$88K	0.80%	Call
3475	—UNITED STS BRENT OIL FD LP	4,621	$88K	0.80%
3476	AGOASSURED GUARANTY LTD	2,100	$88K	0.80%	Call
3477	IRDMIRIDIUM COMMUNICATIONS INC	3,800	$88K	0.80%	Call
3478	TREXTREX CO INC	1,227	$88K	0.80%
3479	CLDTCHATHAM LODGING TR	4,600	$87K	0.79%	Put
3480	TIFEURTIFFANY & CO NEW	931	$87K	0.79%
3481	CRBPCORBUS PHARMACEUTICALS HLDGS	12,600	$87K	0.79%	Call
3482	WTTRSELECT ENERGY SVCS INC	7,500	$87K	0.79%	Put
3483	YRDYIRENDAI LTD	6,300	$87K	0.79%	Call
3484	VRNSVARONIS SYS INC	1,396	$86K	0.78%
3485	—TE CONNECTIVITY LTD	900	$86K	0.78%	Call
3486	—BALLARD PWR SYS INC NEW	21,000	$86K	0.78%	Put
3487	CMCDN IMPERIAL BK COMM TORONTO	1,100	$86K	0.78%	Put
3488	KKRKKR & CO INC	3,400	$86K	0.78%	Put
3489	ICEINTERCONTINENTAL EXCHANGE IN	1,000	$86K	0.78%	Put
3490	AMRXAMNEAL PHARMACEUTICALS INC	12,000	$86K	0.78%	Call
3491	AKBAAKEBIA THERAPEUTICS INC	17,600	$85K	0.77%	Put
3492	AUDCAUDIOCODES LTD	5,500	$85K	0.77%	Call
3493	—ADAPTIMMUNE THERAPEUTICS PLC	21,100	$85K	0.77%	Call
3494	AM6AMICUS THERAPEUTICS INC	6,823	$85K	0.77%
3495	AZTABROOKS AUTOMATION INC	2,199	$85K	0.77%
3496	YEXTYEXT INC	4,200	$84K	0.76%	Put
3497	—WESTROCK CO	2,300	$84K	0.76%	Put
3498	—SORL AUTO PTS INC	23,900	$84K	0.76%	Call
3499	—JAGGED PEAK ENERGY INC	10,200	$84K	0.76%	Put
3500	ABGASBURY AUTOMOTIVE GROUP INC	1,000	$84K	0.76%	Call

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