GROUP ONE TRADING LLC Q1 2016 Filing

Filed May 12, 2016

Portfolio Value

$7.1M

Holdings

4,548

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (4,548 positions)

#	Stock	Shares	Value	% Portfolio	Type
1401	VACMARRIOTT VACATIONS WRLDWDE C	11,400	$770K	10.87%	Call
1402	—INTREXON CORP	22,716	$770K	10.87%
1403	—EXCO RESOURCES INC	778,700	$770K	10.87%	Call
1404	TKCTURKCELL ILETISIM HIZMETLERI	73,200	$769K	10.86%	Call
1405	—IMMUNOMEDICS INC	307,700	$769K	10.86%	Put
1406	—QUESTAR CORP	31,000	$769K	10.86%	Put
1407	MIC2EURMACQUARIE INFRASTRUCTURE COR	11,408	$769K	10.86%
1408	LVSLAS VEGAS SANDS CORP	14,815	$766K	10.81%
1409	—SYMANTEC CORP	41,600	$765K	10.80%	Put
1410	MASMASCO CORP	24,300	$764K	10.79%	Put
1411	MOALTRIA GROUP INC	12,161	$762K	10.76%
1412	HPEHEWLETT PACKARD ENTERPRISE C	42,974	$762K	10.76%
1413	COTYCOTY INC	27,300	$760K	10.73%	Put
1414	—MENTOR GRAPHICS CORP	37,400	$760K	10.73%	Call
1415	SUPNSUPERNUS PHARMACEUTICALS INC	49,700	$758K	10.70%	Call
1416	—CARRIZO OIL & GAS INC	24,500	$758K	10.70%	Put
1417	—WEBMD HEALTH CORP	12,100	$758K	10.70%	Call
1418	DRIDARDEN RESTAURANTS INC	11,400	$756K	10.67%	Call
1419	—ALCOBRA LTD	199,031	$754K	10.64%
1420	—STILLWATER MNG CO	70,800	$754K	10.64%	Call
1421	RAREULTRAGENYX PHARMACEUTICAL IN	11,900	$753K	10.63%	Put
1422	—BONA FILM GROUP LTD	55,600	$753K	10.63%	Put
1423	—NEWLINK GENETICS CORP	41,298	$752K	10.62%
1424	ALAIR LEASE CORP	23,400	$752K	10.62%	Call
1425	—ANTHEM INC	5,400	$751K	10.60%	Call
1426	—ISTAR INC	77,600	$750K	10.59%	Put
1427	—BUCKEYE PARTNERS L P	11,028	$749K	10.57%
1428	FIVEFIVE BELOW INC	18,100	$748K	10.56%	Call
1429	QEPQEP RES INC	52,989	$748K	10.56%
1430	—DISCOVERY COMMUNICATNS NEW	26,100	$747K	10.55%	Call
1431	RGENREPLIGEN CORP	27,800	$746K	10.53%	Call
1432	VCYTVERACYTE INC	138,200	$746K	10.53%	Put
1433	LBTYBLIBERTY GLOBAL PLC	19,382	$746K	10.53%
1434	—PROTHENA CORP PLC	18,000	$741K	10.46%	Put
1435	VSATVIASAT INC	10,000	$735K	10.38%	Put
1436	—KATE SPADE & CO	28,800	$735K	10.38%	Call
1437	TTWOTAKE-TWO INTERACTIVE SOFTWAR	19,500	$735K	10.38%	Put
1438	—ZOGENIX INC	79,400	$734K	10.36%	Call
1439	HPHELMERICH & PAYNE INC	12,500	$734K	10.36%	Call
1440	—ITT EDUCATIONAL SERVICES INC	236,800	$732K	10.33%	Call
1441	EMCE M C CORP MASS	27,432	$731K	10.32%
1442	—MANITOWOC INC	168,900	$731K	10.32%	Put
1443	TKRTIMKEN CO	21,800	$730K	10.31%	Put
1444	—EAGLE PHARMACEUTICALS INC	18,000	$729K	10.29%	Call
1445	—NEUSTAR INC	29,600	$728K	10.28%	Put
1446	—BEST BUY INC	22,400	$727K	10.26%	Call
1447	SMCISUPER MICRO COMPUTER INC	21,300	$726K	10.25%	Call
1448	USACUSA COMPRESSION PARTNERS LP	61,800	$726K	10.25%	Put
1449	—QLOGIC CORP	54,000	$726K	10.25%	Call
1450	OLNOLIN CORP	41,600	$723K	10.21%	Call
1451	WBWEIBO CORP	40,303	$723K	10.21%
1452	QTWOQ2 HLDGS INC	30,000	$721K	10.18%	Put
1453	—RUDOLPH TECHNOLOGIES INC	52,800	$721K	10.18%	Put
1454	CSIQCANADIAN SOLAR INC	37,400	$721K	10.18%	Call
1455	—CENTENE CORP DEL	11,700	$720K	10.16%	Call
1456	—ICONIX BRAND GROUP INC	89,400	$720K	10.16%	Put
1457	DVAXDYNAVAX TECHNOLOGIES CORP	37,300	$718K	10.14%	Call
1458	—PENGROWTH ENERGY CORP	546,600	$716K	10.11%	Call
1459	—FERRELLGAS PARTNERS L.P.	41,100	$715K	10.09%	Call
1460	—BED BATH & BEYOND INC	14,400	$715K	10.09%	Put
1461	—BLUEBIRD BIO INC	16,800	$714K	10.08%	Call
1462	EXASEXACT SCIENCES CORP	106,000	$714K	10.08%	Call
1463	—BONA FILM GROUP LTD	52,728	$714K	10.08%
1464	—BALL CORP	10,000	$713K	10.07%	Put
1465	OREALTY INCOME CORP	11,400	$713K	10.07%	Call
1466	MURMURPHY OIL CORP	28,300	$713K	10.07%	Call
1467	—PLAINS GP HLDGS L P	82,000	$713K	10.07%	Call
1468	—BARCLAYS BK PLC	40,486	$713K	10.07%
1469	HRTXHERON THERAPEUTICS INC	37,500	$712K	10.05%	Put
1470	BPOPPOPULAR INC	24,800	$710K	10.02%	Call
1471	—DEPOMED INC	50,800	$708K	10.00%	Put
1472	RSGREPUBLIC SVCS INC	14,800	$705K	9.95%	Call
1473	FSLRFIRST SOLAR INC	10,300	$705K	9.95%	Put
1474	HDBHDFC BANK LTD	11,400	$703K	9.92%	Call
1475	TSMTAIWAN SEMICONDUCTOR MFG LTD	26,800	$702K	9.91%	Call
1476	SANBANCO SANTANDER SA	160,940	$702K	9.91%
1477	—TALLGRASS ENERGY GP LP	38,000	$702K	9.91%	Call
1478	CRREURCARBO CERAMICS INC	49,442	$702K	9.91%
1479	KOCOCA COLA CO	15,100	$700K	9.88%	Call
1480	AGFIRST MAJESTIC SILVER CORP	107,800	$699K	9.87%	Put
1481	PVG1EURPRETIUM RES INC	130,464	$698K	9.85%
1482	—PORTOLA PHARMACEUTICALS INC	34,200	$698K	9.85%	Call
1483	—NATIONSTAR MTG HLDGS INC	70,400	$697K	9.84%	Put
1484	LYVLIVE NATION ENTERTAINMENT IN	31,200	$696K	9.83%	Put
1485	—VMWARE INC	13,300	$696K	9.83%	Call
1486	—OASIS PETE INC NEW	95,400	$695K	9.81%	Put
1487	PBFPBF ENERGY INC	20,900	$694K	9.80%	Call
1488	NBIXNEUROCRINE BIOSCIENCES INC	17,559	$694K	9.80%
1489	—CALUMET SPECIALTY PRODS PTNR	58,900	$692K	9.77%	Put
1490	MTDRMATADOR RES CO	36,400	$690K	9.74%	Call
1491	—BARRACUDA NETWORKS INC	44,800	$690K	9.74%	Put
1492	—UBIQUITI NETWORKS INC	20,700	$689K	9.73%	Put
1493	SGMOSANGAMO BIOSCIENCES INC	113,800	$688K	9.71%	Call
1494	HOLXHOLOGIC INC	19,900	$687K	9.70%	Put
1495	—MOMO INC	61,100	$687K	9.70%	Put
1496	DGXQUEST DIAGNOSTICS INC	9,600	$686K	9.68%	Put
1497	—FACEBOOK INC	6,000	$685K	9.67%	Call
1498	COPCONOCOPHILLIPS	17,000	$685K	9.67%	Call
1499	JBLJABIL CIRCUIT INC	35,511	$684K	9.66%
1500	—LIONS GATE ENTMNT CORP	31,300	$684K	9.66%	Put

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