GROUP ONE TRADING LLC Q1 2020 Filing

Filed May 13, 2020

Portfolio Value

$12.3B

Holdings

5,255

Report Date

Q1 2020

Filing Type

13F-HR

All Holdings (5,255 positions)

#StockSharesValue% PortfolioType
501
KANSAS CITY SOUTHERN
4,100$521.0M4.22%Put
502
EBEVENTBRITE INC
71,200$520.0M4.22%Put
503
BCRXBIOCRYST PHARMACEUTICALS INC
259,000$518.0M4.20%Call
504
GENMARK DIAGNOSTICS INC
125,700$518.0M4.20%Call
505
TALLGRASS ENERGY LP
31,500$518.0M4.20%Call
506
VICRVICOR CORP
11,600$517.0M4.19%Call
507
WLKPWESTLAKE CHEM PARTNERS LP
34,919$516.0M4.18%
508
URGNUROGEN PHARMA LTD
28,900$516.0M4.18%Call
509
VLOVALERO ENERGY CORP
11,345$515.0M4.18%
510
3M4MASIMO CORP
2,900$514.0M4.17%
511
SERVICEMASTER GLOBAL HLDGS I
19,000$513.0M4.16%Call
512
AAOIAPPLIED OPTOELECTRONICS INC
67,500$512.0M4.15%Put
513
CORE LABORATORIES N V
49,300$510.0M4.13%Call
514
INTRA CELLULAR THERAPIES INC
33,100$509.0M4.13%Put
515
AMRNAMARIN CORP PLC
126,969$508.0M4.12%
516
VONAGE HLDGS CORP
70,069$507.0M4.11%
517
VIRNETX HLDG CORP
92,700$507.0M4.11%Call
518
CITIZENS FINANCIAL GROUP INC
26,900$506.0M4.10%Call
519
CLCOLGATE PALMOLIVE CO
7,624$506.0M4.10%
520
SPLUNK INC
4,000$505.0M4.09%Put
521
OMFONEMAIN HLDGS INC
26,400$505.0M4.09%Call
522
CANADIAN NATL RY CO
6,500$505.0M4.09%Call
523
ALLTALLOT LTD
53,274$503.0M4.08%
524
GDGENERAL DYNAMICS CORP
3,800$503.0M4.08%Call
525
FTNTFORTINET INC
4,954$501.0M4.06%
526
ARCONIC INC
31,200$501.0M4.06%Put
527
GDOTGREEN DOT CORP
19,726$501.0M4.06%
528
P5YBRF SA
171,981$499.0M4.05%
529
KRNTKORNIT DIGITAL LTD
20,065$499.0M4.05%
530
MINERVA NEUROSCIENCES INC
82,900$499.0M4.05%Put
531
AXONICS MODULATION TECHNOLOG
19,600$498.0M4.04%Call
532
GRAINGER W W INC
2,000$497.0M4.03%Call
533
BRF SA
171,500$497.0M4.03%Put
534
MURMURPHY OIL CORP
80,900$496.0M4.02%Call
535
FIZZNATIONAL BEVERAGE CORP
11,600$495.0M4.01%Put
536
SONOSONOS INC
58,300$494.0M4.01%Put
537
CNX RESOURCES CORPORATION
92,500$492.0M3.99%Call
538
TRIPTRIPADVISOR INC
28,300$492.0M3.99%Call
539
UNMUNUM GROUP
32,700$491.0M3.98%Call
540
SNDXSYNDAX PHARMACEUTICALS INC
44,800$491.0M3.98%Call
541
TEEKAY LNG PARTNERS L P
50,000$490.0M3.97%Call
542
KRNTKORNIT DIGITAL LTD
19,700$490.0M3.97%Call
543
SLPSIMULATIONS PLUS INC
14,000$489.0M3.96%Call
544
BGC PARTNERS INC
193,900$489.0M3.96%Put
545
TPRTAPESTRY INC
37,700$488.0M3.96%Put
546
XYLXYLEM INC
7,500$488.0M3.96%Put
547
PAAPLAINS ALL AMERN PIPELINE L
92,300$487.0M3.95%Call
548
ROSTROSS STORES INC
5,588$486.0M3.94%
549
WIXWIX COM LTD
4,800$484.0M3.92%Call
550
JINKOSOLAR HLDG CO LTD
32,600$484.0M3.92%Call
551
NUENUCOR CORP
13,400$483.0M3.92%Call
552
CHGGCHEGG INC
13,500$483.0M3.92%Put
553
FATEFATE THERAPEUTICS INC
21,700$482.0M3.91%Put
554
58 COM INC
9,900$482.0M3.91%Put
555
RRGBRED ROBIN GOURMET BURGERS IN
56,400$481.0M3.90%Call
556
USFDUS FOODS HLDG CORP
27,100$480.0M3.89%Call
557
PODDINSULET CORP
2,900$480.0M3.89%Call
558
NEVRO CORP
4,800$480.0M3.89%Put
559
GUESS INC
70,500$477.0M3.87%Call
560
VALARIS PLC
1,056,100$475.0M3.85%Put
561
LSCCLATTICE SEMICONDUCTOR CORP
26,653$475.0M3.85%
562
VIEWRAY INC
190,000$475.0M3.85%Call
563
STAASTAAR SURGICAL CO
14,700$474.0M3.84%Put
564
HAWAIIAN HOLDINGS INC
45,300$473.0M3.83%Put
565
NUENUCOR CORP
13,100$472.0M3.83%Put
566
CEOCNOOC LIMITED
4,560$472.0M3.83%
567
HOSTESS BRANDS INC
44,200$471.0M3.82%Call
568
HOLLYFRONTIER CORP
19,200$471.0M3.82%Put
569
GILTGILAT SATELLITE NETWORKS LTD
66,300$470.0M3.81%Put
570
RGNXREGENXBIO INC
14,512$470.0M3.81%
571
STLDSTEEL DYNAMICS INC
20,800$469.0M3.80%Call
572
SBSCOMPANHIA DE SANEAMENTO BASI
63,400$468.0M3.79%Put
573
BKRBAKER HUGHES COMPANY
44,531$468.0M3.79%
574
VSATVIASAT INC
12,995$467.0M3.79%
575
MINERVA NEUROSCIENCES INC
77,600$467.0M3.79%Call
576
ESPRESPERION THERAPEUTICS INC NE
14,800$467.0M3.79%Put
577
TXRHTEXAS ROADHOUSE INC
11,300$467.0M3.79%Call
578
EIDOS THERAPEUTICS INC
9,500$465.0M3.77%Put
579
SIRIUS XM HLDGS INC
93,800$463.0M3.75%Put
580
IPGPIPG PHOTONICS CORP
4,200$463.0M3.75%Call
581
SFLSFL CORPORATION LTD
48,900$463.0M3.75%Call
582
SAGE THERAPEUTICS INC
16,100$462.0M3.75%Call
583
XECEURCIMAREX ENERGY CO
27,458$462.0M3.75%
584
PBFPBF ENERGY INC
65,200$462.0M3.75%Put
585
BOXBOX INC
32,900$462.0M3.75%Call
586
TTDTHE TRADE DESK INC
2,380$459.0M3.72%
587
HIBBETT SPORTS INC
42,000$459.0M3.72%Call
588
MNSTMONSTER BEVERAGE CORP NEW
8,153$459.0M3.72%
589
PLURALSIGHT INC
41,803$459.0M3.72%
590
KEYKEYCORP
44,303$459.0M3.72%
591
TOLTOLL BROTHERS INC
23,800$458.0M3.71%Put
592
DCP MIDSTREAM LP
112,200$457.0M3.71%Call
593
OWENS & MINOR INC NEW
49,700$455.0M3.69%Put
594
ARCTARCTURUS THERAPEUTICS HLDG I
33,500$455.0M3.69%Put
595
UTHRUNITED THERAPEUTICS CORP DEL
4,800$455.0M3.69%Call
596
CO DIAGNOSTICS INC
59,600$454.0M3.68%Call
597
ATDALLEGHENY TECHNOLOGIES INC
53,268$453.0M3.67%
598
EQTEQT CORPORATION
63,953$452.0M3.66%
599
CLRUSDCONTINENTAL RES INC
58,995$451.0M3.66%
600
AIMMUNE THERAPEUTICS INC
31,300$451.0M3.66%Put
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