GROUP ONE TRADING LLC Q4 2020 Filing

Filed February 10, 2021

Portfolio Value

$57.8B

Holdings

6,453

Report Date

Q4 2020

Filing Type

13F-HR

All Holdings (6,453 positions)

#StockSharesValue% PortfolioType
501
35OBSCULPTOR CAP MGMT
38,391$584.0M1.01%
502
MUSTANG BIO INC
154,100$583.0M1.01%Put
503
ZIOPHARM ONCOLOGY INC
231,400$583.0M1.01%Put
504
GRANITE PT MTG TR INC
58,200$581.0M1.00%Call
505
REINSURANCE GRP OF AMERICA I
5,000$580.0M1.00%Put
506
BCBRUNSWICK CORP
7,600$579.0M1.00%Call
507
HOLLYFRONTIER CORP
22,400$579.0M1.00%Call
508
GOCOGOHEALTH INC
42,390$579.0M1.00%
509
BALLYS CORPORATION
11,500$578.0M1.00%Call
510
DCHAMERICAN AXLE & MFG HLDGS IN
69,144$577.0M1.00%
511
RCKTROCKET PHARMACEUTICALS INC
10,500$576.0M1.00%Call
512
BDXBECTON DICKINSON & CO
2,300$576.0M1.00%Call
513
ZDJ2 GLOBAL INC
5,900$576.0M1.00%Put
514
VOYAVOYA FINANCIAL INC
9,776$575.0M0.99%
515
HRTXHERON THERAPEUTICS INC
27,000$571.0M0.99%Call
516
FSKFS KKR CAP CORP
34,500$571.0M0.99%Put
517
SPHSUBURBAN PROPANE PARTNERS L
38,371$570.0M0.99%
518
LABORATORY CORP AMER HLDGS
2,800$570.0M0.99%Call
519
SEESEALED AIR CORP NEW
12,400$568.0M0.98%Call
520
BJS WHSL CLUB HLDGS INC
15,200$567.0M0.98%Put
521
GLWCORNING INC
15,700$565.0M0.98%Put
522
EDCONSOLIDATED EDISON INC
7,800$564.0M0.98%Put
523
TOLTOLL BROTHERS INC
12,962$563.0M0.97%
524
KURAKURA ONCOLOGY INC
17,200$562.0M0.97%Put
525
HSTHOST HOTELS & RESORTS INC
38,330$561.0M0.97%
526
PRGPROG HOLDINGS INC
10,400$560.0M0.97%Call
527
LWLAMB WESTON HLDGS INC
7,100$559.0M0.97%Call
528
PRGSPROGRESS SOFTWARE CORP
12,353$558.0M0.97%
529
HAINHAIN CELESTIAL GROUP INC
13,900$558.0M0.97%Put
530
HEIHEICO CORP NEW
4,205$557.0M0.96%
531
CENTENNIAL RESOURCE DEV INC
371,000$557.0M0.96%Call
532
STAR PEAK ENERGY TRANSITION
27,200$557.0M0.96%Call
533
ADMAADMA BIOLOGICS INC
285,500$557.0M0.96%Call
534
REZIRESIDEO TECHNOLOGIES INC
26,200$557.0M0.96%Put
535
UIUBIQUITI INC
2,000$557.0M0.96%Put
536
SNBRSLEEP NUMBER CORP
6,800$557.0M0.96%Call
537
PACWUSDPACWEST BANCORP DEL
21,853$555.0M0.96%
538
LYGLLOYDS BANKING GROUP PLC
282,900$554.0M0.96%Put
539
SMITH MICRO SOFTWARE INC
101,800$552.0M0.95%Call
540
ARMOUR RESIDENTIAL REIT INC
51,200$552.0M0.95%Call
541
HIHILLENBRAND INC
13,860$552.0M0.95%
542
CLSKCLEANSPARK INC
18,956$551.0M0.95%
543
AFFIMED N V
94,600$551.0M0.95%Call
544
HTHHILLTOP HOLDINGS INC
20,000$550.0M0.95%Call
545
RYAAYRYANAIR HOLDINGS PLC
5,000$550.0M0.95%Call
546
MRVIMARAVAI LIFESCIENCES HLDGS I
19,600$550.0M0.95%Call
547
PGENPRECIGEN INC
53,800$549.0M0.95%Put
548
TPI COMPOSITES INC
10,400$549.0M0.95%Put
549
HSICHENRY SCHEIN INC
8,200$548.0M0.95%Call
550
JBTMJOHN BEAN TECHNOLOGIES CORP
4,800$547.0M0.95%Put
551
SYNEOS HEALTH INC
8,000$545.0M0.94%Put
552
CHINA UNICOM HONG KONG
96,000$545.0M0.94%Put
553
BGSB & G FOODS INC NEW
19,600$544.0M0.94%Put
554
SUNDIAL GROWERS INC
1,147,800$543.0M0.94%Call
555
SPS COMMERCE INC
5,000$543.0M0.94%Call
556
PFPTPROOFPOINT INC
3,975$542.0M0.94%
557
BIOSIG TECHNOLOGIES INC
138,700$541.0M0.94%Call
558
OHIOMEGA HEALTHCARE INVS INC
14,900$541.0M0.94%Call
559
RUTHS HOSPITALITY GROUP INC
30,500$541.0M0.94%Call
560
UDNINVESCO DB US DLR INDEX TR
24,816$540.0M0.93%
561
TACTILE SYS TECHNOLOGY INC
12,000$539.0M0.93%Put
562
MAIN STR CAP CORP
16,700$539.0M0.93%Call
563
SWITCH INC
32,900$539.0M0.93%Put
564
NVMINOVA MEASURING INSTRUMENTS L
7,600$537.0M0.93%Call
565
UPBDRENT A CTR INC NEW
14,000$536.0M0.93%Put
566
SOLARWINDS CORP
35,800$535.0M0.93%Call
567
VIEWRAY INC
140,000$535.0M0.93%Call
568
RENAISSANCE CAP GREENWICH FD
8,300$535.0M0.93%Call
569
ENABLE MIDSTREAM PARTNERS LP
101,500$534.0M0.92%Put
570
BDQMALBIREO PHARMA INC
14,217$533.0M0.92%
571
HONHONEYWELL INTL INC
2,500$532.0M0.92%Put
572
NNNNATIONAL RETAIL PROPERTIES I
13,000$532.0M0.92%Call
573
KNXKNIGHT-SWIFT TRANSN HLDGS IN
12,700$531.0M0.92%Call
574
TERMINIX GLOBAL HOLDINGS INC
10,400$531.0M0.92%Call
575
BRIXMOR PPTY GROUP INC
32,000$530.0M0.92%Call
576
BMABANCO MACRO SA
33,900$528.0M0.91%Put
577
OCULOCULAR THERAPEUTIX INC
25,500$528.0M0.91%Call
578
BHRBRAEMAR HOTELS & RESORTS INC
114,300$527.0M0.91%Call
579
STRLSTERLING CONSTR INC
28,300$527.0M0.91%Call
580
CLRUSDCONTINENTAL RES INC
32,311$527.0M0.91%
581
CARGCARGURUS INC
16,600$527.0M0.91%Call
582
MGM GROWTH PPTYS LLC
16,800$526.0M0.91%Call
583
LONGVIEW ACQUISITION CORP
26,531$525.0M0.91%
584
CLWCLEARWATER PAPER CORP
13,900$525.0M0.91%Put
585
FNKOFUNKO INC
50,469$524.0M0.91%
586
ANAUTONATION INC
7,500$523.0M0.90%Call
587
GNRCGENERAC HLDGS INC
2,300$523.0M0.90%Put
588
ABUSARBUTUS BIOPHARMA CORP
147,400$523.0M0.90%Call
589
TRUIST FINL CORP
10,900$522.0M0.90%Put
590
COLLECTIVE GROWTH CORP
36,544$522.0M0.90%
591
USACUSA COMPRESSION PARTNERS LP
38,300$521.0M0.90%Call
592
ADTADT INC DEL
66,207$520.0M0.90%
593
CLEVER LEAVES HOLDINGS INC
58,400$520.0M0.90%Call
594
BROOKFIELD INFRAST PARTNERS
10,500$519.0M0.90%Call
595
SINCLAIR BROADCAST GROUP INC
16,300$519.0M0.90%Call
596
ABEVAMBEV SA
169,300$518.0M0.90%Call
597
SRGSERITAGE GROWTH PPTYS
35,255$518.0M0.90%
598
PPD INC
15,100$517.0M0.89%Call
599
TPICQTPI COMPOSITES INC
9,795$517.0M0.89%
600
VCELVERICEL CORP
16,700$516.0M0.89%Call
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