GROUP ONE TRADING LLC Q4 2017 Filing

Filed February 9, 2018

Portfolio Value

$14.2M

Holdings

4,816

Report Date

Q4 2017

Filing Type

13F-HR

All Holdings (4,816 positions)

#	Stock	Shares	Value	% Portfolio	Type
3701	CLFDCLEARFIELD INC	4,090	$50K	0.35%
3702	—ATLASSIAN CORP PLC	1,100	$50K	0.35%	Put
3703	—U S GLOBAL INVS INC	12,700	$50K	0.35%	Call
3704	BAHBOOZ ALLEN HAMILTON HLDG COR	1,300	$50K	0.35%
3705	ATGEADTALEM GLOBAL ED INC	1,200	$50K	0.35%
3706	—MOMENTA PHARMACEUTICALS INC	3,588	$50K	0.35%
3707	MTSIMACOM TECH SOLUTIONS HLDGS I	1,500	$49K	0.34%	Put
3708	TPRTAPESTRY INC	1,118	$49K	0.34%
3709	—EXTRACTION OIL AND GAS INC	3,400	$49K	0.34%	Put
3710	TRPTRANSCANADA CORP	1,000	$49K	0.34%
3711	NVGSNAVIGATOR HOLDINGS LTD	5,000	$49K	0.34%	Put
3712	USNAUSANA HEALTH SCIENCES INC	655	$49K	0.34%
3713	CTMXCYTOMX THERAPEUTICS INC	2,300	$49K	0.34%	Put
3714	—ADURO BIOTECH INC	6,500	$49K	0.34%	Call
3715	TCXTUCOWS INC	700	$49K	0.34%	Put
3716	CCEPCOCA COLA EUROPEAN PARTNERS	1,200	$48K	0.34%
3717	—HABIT RESTAURANTS INC	5,000	$48K	0.34%
3718	GTLSCHART INDS INC	1,018	$48K	0.34%
3719	ZM3ZUMIEZ INC	2,328	$48K	0.34%
3720	QUOTUSDQUOTIENT TECHNOLOGY INC	4,109	$48K	0.34%
3721	VCYTVERACYTE INC	7,300	$48K	0.34%	Call
3722	ADVMCHFADVERUM BIOTECHNOLOGIES INC	13,776	$48K	0.34%
3723	ACMAECOM	1,300	$48K	0.34%
3724	SA2DSANDRIDGE ENERGY INC	2,281	$48K	0.34%
3725	SMTCSEMTECH CORP	1,400	$48K	0.34%	Put
3726	—OHR PHARMACEUTICAL INC	25,994	$48K	0.34%
3727	—CAMBREX CORP	1,010	$48K	0.34%
3728	—GOLDEN STAR RES LTD CDA	52,707	$47K	0.33%
3729	NNNNATIONAL RETAIL PPTYS INC	1,100	$47K	0.33%	Put
3730	AHRTARMADA HOFFLER PPTYS INC	3,000	$47K	0.33%	Put
3731	—MARINUS PHARMACEUTICALS INC	5,800	$47K	0.33%	Put
3732	GDSGDS HLDGS LTD	2,100	$47K	0.33%
3733	—EVERI HLDGS INC	6,200	$47K	0.33%	Call
3734	—WINDSTREAM HLDGS INC	25,670	$47K	0.33%
3735	SENS1GBPSENSEONICS HLDGS INC	17,600	$47K	0.33%
3736	BRK-BQUALITY CARE PPTYS INC	3,296	$46K	0.32%
3737	FATEFATE THERAPEUTICS INC	7,600	$46K	0.32%	Call
3738	PJTPJT PARTNERS INC	1,000	$46K	0.32%	Put
3739	PRAAPRA GROUP INC	1,400	$46K	0.32%	Put
3740	CYDCHINA YUCHAI INTL LTD	1,900	$46K	0.32%	Put
3741	—INVITAE CORP	5,100	$46K	0.32%	Put
3742	CONECYRUSONE INC	767	$46K	0.32%
3743	—BRIDGEPOINT ED INC	5,600	$46K	0.32%	Put
3744	WYNEURWYNDHAM WORLDWIDE CORP	393	$46K	0.32%
3745	—UNIVAR INC	1,500	$46K	0.32%	Call
3746	—NEUROTROPE INC	6,484	$46K	0.32%
3747	—PICO HLDGS INC	3,600	$46K	0.32%	Put
3748	MITKMITEK SYS INC	5,000	$45K	0.32%	Call
3749	—WINDSTREAM HLDGS INC	24,400	$45K	0.32%	Call
3750	—ELLIE MAE INC	500	$45K	0.32%	Put
3751	HDSNHUDSON TECHNOLOGIES INC	7,400	$45K	0.32%	Call
3752	—ARCTURUS THERAPEUTICS LTD	5,700	$45K	0.32%	Call
3753	—MONEYGRAM INTL INC	3,400	$45K	0.32%	Call
3754	—CORMEDIX INC	89,100	$45K	0.32%	Put
3755	—ZION OIL & GAS INC	20,600	$45K	0.32%	Put
3756	FULTFULTON FINL CORP PA	2,500	$45K	0.32%
3757	—TAHOE RES INC	9,346	$45K	0.32%
3758	—SEMGROUP CORP	1,500	$45K	0.32%	Call
3759	ATHMAUTOHOME INC	700	$45K	0.32%	Put
3760	NTWKNETSOL TECHNOLOGIES INC	9,500	$45K	0.32%	Put
3761	SBRASABRA HEALTH CARE REIT INC	2,400	$45K	0.32%	Put
3762	—CONCORDIA INTERNATIONAL CORP	69,200	$45K	0.32%	Put
3763	ENPHENPHASE ENERGY INC	18,500	$45K	0.32%
3764	COLLCOLLEGIUM PHARMACEUTICAL INC	2,393	$44K	0.31%
3765	—STEMLINE THERAPEUTICS INC	2,800	$44K	0.31%	Put
3766	—SRC ENERGY INC	5,100	$44K	0.31%	Put
3767	EZPWEZCORP INC	3,632	$44K	0.31%
3768	AG8AGILENT TECHNOLOGIES INC	656	$44K	0.31%
3769	MVISMICROVISION INC DEL	26,748	$44K	0.31%
3770	GLADUSDGLADSTONE CAPITAL CORP	4,798	$44K	0.31%
3771	—ARRIS INTL INC	1,700	$44K	0.31%	Put
3772	—WINDSTREAM HLDGS INC	23,800	$44K	0.31%	Put
3773	—POLYONE CORP	1,000	$44K	0.31%	Call
3774	—HORNBECK OFFSHORE SVCS INC N	13,814	$43K	0.30%
3775	—CONSOL ENERGY INC NEW	1,100	$43K	0.30%	Call
3776	AMSCAMERICAN SUPERCONDUCTOR CORP	11,778	$43K	0.30%
3777	FBPFIRST BANCORP P R	8,400	$43K	0.30%	Put
3778	—ENERGY FOCUS INC	17,800	$43K	0.30%	Put
3779	ARAYACCURAY INC	10,100	$43K	0.30%	Put
3780	ARCOARCOS DORADOS HOLDINGS INC	4,168	$43K	0.30%
3781	—ALTERYX INC	1,700	$43K	0.30%	Put
3782	—AVADEL PHARMACEUTICALS PLC	5,300	$43K	0.30%	Put
3783	RESRPC INC	1,700	$43K	0.30%	Put
3784	IPI1EURINTREPID POTASH INC	9,100	$43K	0.30%
3785	—VERSARTIS INC	19,400	$43K	0.30%	Call
3786	—CIVEO CORP CDA	15,344	$42K	0.30%
3787	CTSOCYTOSORBENTS CORP	6,400	$42K	0.30%	Put
3788	—VERINT SYS INC	1,000	$42K	0.30%	Call
3789	TTMCHFTATA MTRS LTD	1,284	$42K	0.30%
3790	INAPEURINTERNAP CORP	2,681	$42K	0.30%
3791	—APOLLO INVT CORP	7,338	$42K	0.30%
3792	—EP ENERGY CORP	17,700	$42K	0.30%	Put
3793	—VITAL THERAPIES INC	7,100	$42K	0.30%	Put
3794	GCOGENESCO INC	1,300	$42K	0.30%
3795	—POLYONE CORP	976	$42K	0.30%
3796	OTXOPEN TEXT CORP	1,176	$42K	0.30%
3797	—LILIS ENERGY INC	8,000	$41K	0.29%	Call
3798	JT5MUELLER WTR PRODS INC	3,309	$41K	0.29%
3799	TRMBTRIMBLE INC	1,000	$41K	0.29%	Call
3800	TERTERADYNE INC	985	$41K	0.29%

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