GROUP ONE TRADING LLC Q1 2021 Filing

Filed May 12, 2021

Portfolio Value

$67.5B

Holdings

7,548

Report Date

Q1 2021

Filing Type

13F-HR

All Holdings (7,548 positions)

#StockSharesValue% PortfolioType
601
GLREGREENLIGHT CAPITAL RE LTD
68,200$593.0M0.88%Call
602
REALTHE REALREAL INC
26,200$593.0M0.88%Put
603
CORENERGY INFRASTRUCTURE TR
83,900$593.0M0.88%Call
604
SMBKSMARTFINANCIAL INC
27,400$593.0M0.88%Put
605
BJRIBJS RESTAURANTS INC
10,197$592.0M0.88%
606
KOPKOPPERS HOLDINGS INC
1,700$591.0M0.88%Call
607
NEONEOGENOMICS INC
12,200$588.0M0.87%Put
608
FXYINVESCO CURRENCYSHARES JAPAN
6,900$588.0M0.87%Call
609
SILVERCREST METALS INC
72,500$586.0M0.87%Call
610
ASHLAND GLOBAL HLDGS INC
6,600$586.0M0.87%Call
611
FXFINVESCO CURRENCYSHARES SWISS
6,100$586.0M0.87%Call
612
SIGNIFY HEALTH INC
20,000$585.0M0.87%Call
613
EROS STX GLOBAL CORPORATION
322,856$584.0M0.86%
614
DSXDIANA SHIPPING INC
195,400$584.0M0.86%Put
615
SYNEOS HEALTH INC
7,700$584.0M0.86%Put
616
MTLSMATERIALISE NV
16,200$582.0M0.86%Put
617
PFGPRINCIPAL FINANCIAL GROUP IN
9,700$582.0M0.86%Call
618
EQNREQUINOR ASA
29,900$582.0M0.86%Call
619
DONALDSON INC
1,000$582.0M0.86%Put
620
BURGUNDY TECHNOLOGY ACQU COR
58,800$582.0M0.86%Call
621
PAHUSDELEMENT SOLUTIONS INC
31,814$582.0M0.86%
622
NGDNEW GOLD INC CDA
378,155$582.0M0.86%
623
CLDXCELLDEX THERAPEUTICS INC NEW
28,200$581.0M0.86%Call
624
CDLXCARDLYTICS INC
5,300$581.0M0.86%Call
625
VEONVEON LTD
327,600$580.0M0.86%Call
626
ICAHN ENTERPRISES LP
10,800$580.0M0.86%Put
627
MR4MERIDIAN BIOSCIENCE INC
22,017$578.0M0.86%
628
STLASTELLANTIS N.V
32,383$576.0M0.85%
629
ARCONIC CORPORATION
22,700$576.0M0.85%Put
630
OASIS MIDSTREAM PARTNERS LP
25,700$575.0M0.85%Put
631
APARTMENT INVT & MGMT CO
93,700$575.0M0.85%Call
632
NWPXNORTHWEST PIPE CO
17,200$575.0M0.85%Call
633
RAVEN INDS INC
15,000$575.0M0.85%Call
634
ARLPALLIANCE RESOURCE PARTNERS L
99,208$575.0M0.85%
635
AYATLANTICA SUSTAINABLE INFR P
15,679$574.0M0.85%
636
G1 THERAPEUTICS INC
23,800$573.0M0.85%Put
637
CLHCLEAN HARBORS INC
6,800$572.0M0.85%Put
638
CRMDCORMEDIX INC
57,300$572.0M0.85%Call
639
GRUBHUB INC
9,509$571.0M0.85%
640
ARMOUR RESIDENTIAL REIT INC
46,800$571.0M0.85%Call
641
CUBECUBESMART
15,100$571.0M0.85%Call
642
ANFABERCROMBIE & FITCH CO
16,606$570.0M0.84%
643
AXONICS MODULATION TECHNOLOG
9,500$569.0M0.84%Put
644
ZIONZIONS BANCORPORATION N A
10,340$568.0M0.84%
645
SHIFT TECHNOLOGIES INC
68,300$568.0M0.84%Put
646
PENN VA CORP
42,400$568.0M0.84%Call
647
MSG NETWORK INC
37,700$567.0M0.84%Call
648
AEMAGNICO EAGLE MINES LTD
9,804$567.0M0.84%
649
CATABASIS PHARMACEUTICALS IN
195,700$566.0M0.84%Put
650
DEL TACO RESTAURANTS INC NEW
59,100$566.0M0.84%Put
651
VERIVERITONE INC
23,600$566.0M0.84%Call
652
BTBTBIT DIGITAL INC
37,678$566.0M0.84%
653
EOLSEVOLUS INC
43,600$566.0M0.84%Put
654
HMYHARMONY GOLD MINING CO LTD
129,500$565.0M0.84%Put
655
NGGNATIONAL GRID PLC
9,500$563.0M0.83%Call
656
MYOVANT SCIENCES LTD
27,376$563.0M0.83%
657
EFTTECHTARGET INC
8,105$563.0M0.83%
658
RRGBRED ROBIN GOURMET BURGERS IN
14,100$562.0M0.83%Call
659
OSCROSCAR HEALTH INC
20,900$562.0M0.83%Call
660
500 COM LTD
26,300$562.0M0.83%Call
661
EWAISHARES INC
22,663$562.0M0.83%
662
NORTHERN STAR ACQUISITION CO
50,422$561.0M0.83%
663
ETWOGBPE2OPEN PARENT HOLDINGS INC
56,374$561.0M0.83%
664
KADMON HLDGS INC
144,100$561.0M0.83%Call
665
VOYAVOYA FINANCIAL INC
8,800$560.0M0.83%Put
666
KPTIEURKARYOPHARM THERAPEUTICS INC
53,249$560.0M0.83%
667
SHELL MIDSTREAM PARTNERS L P
42,000$560.0M0.83%Put
668
AMPYAMPLIFY ENERGY CORP NEW
201,600$560.0M0.83%Call
669
NVSTENVISTA HOLDINGS CORPORATION
13,700$559.0M0.83%Put
670
SVMK INC
30,500$559.0M0.83%Call
671
HILLENBRAND INC
11,700$558.0M0.83%Put
672
SEASEABRIDGE GOLD INC
34,531$558.0M0.83%
673
VRSNVERISIGN INC
2,800$557.0M0.82%Put
674
INCYINCYTE CORP
6,849$557.0M0.82%
675
AUDCAUDIOCODES LTD
20,654$557.0M0.82%
676
YAMANA GOLD INC
128,400$557.0M0.82%Call
677
VEDANTA LIMITED
44,197$556.0M0.82%
678
NEW GOLD INC CDA
360,900$556.0M0.82%Call
679
CASA SYS INC
58,300$556.0M0.82%Call
680
HIIHUNTINGTON INGALLS INDS INC
2,700$556.0M0.82%Call
681
CRESCENT ACQUISITION CORP
55,199$555.0M0.82%
682
REGREGENCY CTRS CORP
9,782$555.0M0.82%
683
APOLLO COML REAL EST FIN INC
39,700$555.0M0.82%Put
684
MBUUMALIBU BOATS INC
700$555.0M0.82%Call
685
RPRXROYALTY PHARMA PLC
12,700$554.0M0.82%Call
686
PGENPRECIGEN INC
80,362$554.0M0.82%
687
HRLHORMEL FOODS CORP
11,600$554.0M0.82%Call
688
AVALONBAY CMNTYS INC
3,000$554.0M0.82%Put
689
ORCHARD THERAPEUTICS PLC
76,300$554.0M0.82%Put
690
CURICURIOSITYSTREAM INC
40,900$554.0M0.82%Put
691
ADMAADMA BIOLOGICS INC
314,599$554.0M0.82%
692
WENWENDYS CO
27,283$553.0M0.82%
693
DAKTDAKTRONICS INC
88,200$553.0M0.82%Call
694
MDXGMIMEDX GROUP INC
53,670$553.0M0.82%
695
BABOEING CO
2,168,400$552.3M0.82%Call
696
CLOVCLOVER HEALTH INVESTMENTS CO
73,033$552.0M0.82%
697
AMTXAEMETIS INC
22,529$552.0M0.82%
698
SIMOSILICON MOTION TECHNOLOGY CO
9,300$552.0M0.82%Call
699
KALVKALVISTA PHARMACEUTICALS INC
21,500$552.0M0.82%Put
700
COHUCOHU INC
13,200$552.0M0.82%Call
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