GROUP ONE TRADING LLC Q4 2017 Filing

Filed February 9, 2018

Portfolio Value

$14.2B

Holdings

4,816

Report Date

Q4 2017

Filing Type

13F-HR

All Holdings (4,816 positions)

#StockSharesValue% PortfolioType
501
RITMNEW RESIDENTIAL INVT CORP
30,107$538.0M3.78%
502
FAIRMOUNT SANTROL HLDGS INC
102,925$538.0M3.78%
503
IMMRIMMERSION CORP
76,172$538.0M3.78%
504
TOLTOLL BROTHERS INC
11,200$538.0M3.78%Put
505
NAVINAVIENT CORPORATION
40,341$537.0M3.77%
506
TQJSIGNATURE BK NEW YORK N Y
3,901$535.0M3.76%
507
MDTMEDTRONIC PLC
6,600$533.0M3.75%Put
508
NOVAVAX INC
427,700$530.0M3.72%Put
509
22ND CENTY GROUP INC
189,400$530.0M3.72%Call
510
OPLNKAR AUCTION SVCS INC
10,500$530.0M3.72%Call
511
BOFI HLDG INC
17,656$528.0M3.71%
512
SPYUBANK MONTREAL QUE
6,600$528.0M3.71%Put
513
BRIGHTHOUSE FINL INC
9,000$528.0M3.71%Put
514
WESTAR ENERGY INC
100$528.0M3.71%Call
515
TEXTEREX CORP NEW
10,900$526.0M3.70%Put
516
SONYSONY CORP
11,700$526.0M3.70%Put
517
CNPCENTERPOINT ENERGY INC
18,549$526.0M3.70%
518
MVOMV OIL TR
62,500$525.0M3.69%Put
519
CONSTELLIUM NV
46,900$523.0M3.68%Put
520
ABMDEURABIOMED INC
2,792$523.0M3.68%
521
CRTOCRITEO S A
20,100$523.0M3.68%Put
522
YUMYUM BRANDS INC
6,400$522.0M3.67%Call
523
TCF FINL CORP
25,400$521.0M3.66%Call
524
ALRMALARM COM HLDGS INC
13,800$521.0M3.66%Call
525
PVH CORP
3,800$521.0M3.66%Call
526
ENBRIDGE ENERGY PARTNERS L P
37,700$521.0M3.66%Call
527
NAVIOS MARITIME PARTNERS L P
220,600$521.0M3.66%Put
528
ZYNERBA PHARMACEUTICALS INC
41,500$520.0M3.65%Put
529
FASTFASTENAL CO
9,500$520.0M3.65%Put
530
QIWI PLC
30,000$520.0M3.65%Call
531
HEIHEICO CORP NEW
5,500$519.0M3.65%Put
532
CHKPCHECK POINT SOFTWARE TECH LT
5,000$518.0M3.64%Put
533
ELECTRO SCIENTIFIC INDS
24,100$516.0M3.63%Call
534
RYDER SYS INC
6,100$513.0M3.61%Put
535
CARLYLE GROUP L P
22,400$513.0M3.61%Put
536
NEWLINK GENETICS CORP
63,300$513.0M3.61%Put
537
UNITUNITI GROUP INC
28,800$512.0M3.60%Call
538
BLUEKNIGHT ENERGY PARTNERS L
1,000$510.0M3.58%Put
539
U S CONCRETE INC
6,100$510.0M3.58%Put
540
TRANSENTERIX INC
263,900$509.0M3.58%Put
541
SKTTANGER FACTORY OUTLET CTRS I
19,200$509.0M3.58%Call
542
PRIPRIMERICA INC
5,000$508.0M3.57%Put
543
WPRTWESTPORT FUEL SYSTEMS INC
134,984$508.0M3.57%
544
ELECTRONICS FOR IMAGING INC
17,200$508.0M3.57%Put
545
PURE STORAGE INC
32,000$508.0M3.57%Put
546
IGNYTA INC
19,000$507.0M3.56%Call
547
BMC STK HLDGS INC
20,000$506.0M3.56%Put
548
BITAUTO HLDGS LTD
15,900$506.0M3.56%Call
549
KEMET CORP
33,500$505.0M3.55%Put
550
GAIN CAP HLDGS INC
50,500$505.0M3.55%Call
551
PXLWEURPIXELWORKS INC
79,590$504.0M3.54%
552
BANK OF THE OZARKS
10,400$504.0M3.54%Put
553
CVECENOVUS ENERGY INC
55,134$503.0M3.54%
554
LULULULULEMON ATHLETICA INC
6,390$502.0M3.53%
555
MTORMERITOR INC
21,389$502.0M3.53%
556
OCCIDENTAL PETE CORP DEL
6,800$501.0M3.52%Call
557
IMMRIMMERSION CORP
71,000$501.0M3.52%Call
558
CONSOLIDATED COMM HLDGS INC
41,000$500.0M3.51%Call
559
NEW GOLD INC CDA
151,900$500.0M3.51%Call
560
COPCONOCOPHI LLIPS
9,100$500.0M3.51%Call
561
ELFE L F BEAUTY INC
22,400$500.0M3.51%Call
562
QUREUNIQURE NV
25,500$500.0M3.51%Put
563
ACIWACI WORLDWIDE INC
22,000$499.0M3.51%Call
564
SUCAMPO PHARMACEUTICALS INC
27,735$498.0M3.50%
565
BLUEPRINT MEDICINES CORP
6,600$498.0M3.50%Call
566
NOVAGOLD RES INC
126,100$496.0M3.49%Call
567
CALAMP CORP
23,100$495.0M3.48%Put
568
WEPMAGELLAN MIDSTREAM PRTNRS LP
6,957$494.0M3.47%
569
CAMPEURCALAMP CORP
23,032$494.0M3.47%
570
NEOS THERAPEUTICS INC
48,400$494.0M3.47%Call
571
PLUNPLUG POWER INC
208,925$493.0M3.46%
572
VTRVENTAS INC
8,200$492.0M3.46%Put
573
HOVNANIAN ENTERPRISES INC
146,423$491.0M3.45%
574
REMARK HLDGS INC
50,437$491.0M3.45%
575
MOBILEIRON INC
125,900$491.0M3.45%Call
576
LPLLG DISPLAY CO LTD
35,700$491.0M3.45%Put
577
SCRIPPS E W CO OHIO
31,400$491.0M3.45%Call
578
ZENDESK INC
14,500$491.0M3.45%Put
579
VEONVEON LTD
127,500$490.0M3.44%Put
580
BANK OF THE OZARKS
10,100$489.0M3.44%Call
581
FROFRONTLINE LTD
106,100$487.0M3.42%Put
582
TD AMERITRADE HLDG CORP
9,500$486.0M3.42%Call
583
NFLXNETFLIX INC
2,525$485.0M3.41%
584
HBANHUNTINGTON BANCSHARES INC
33,300$485.0M3.41%Call
585
SPHSUBURBAN PROPANE PARTNERS L
20,024$485.0M3.41%
586
DARDARLING INGREDIENTS INC
26,700$484.0M3.40%Call
587
FIVEFIVE BELOW INC
7,300$484.0M3.40%Put
588
SASEABRIDGE GOLD INC
42,700$483.0M3.39%Call
589
STAMPS COM INC
2,567$483.0M3.39%
590
DICKS SPORTING GOODS INC
16,800$483.0M3.39%Call
591
JA SOLAR HOLDINGS CO LTD
64,600$482.0M3.39%Call
592
SP PLUS CORP
13,000$482.0M3.39%Put
593
KTOSKRATOS DEFENSE & SEC SOLUTIO
45,500$482.0M3.39%Call
594
HASHASBRO INC
5,300$482.0M3.39%Put
595
O REILLY AUTOMOTIVE INC NEW
2,000$481.0M3.38%Call
596
KTOSKRATOS DEFENSE & SEC SOLUTIO
45,422$481.0M3.38%
597
SXCSUNCOKE ENERGY INC
40,000$480.0M3.37%Call
598
CHIMERA INVT CORP
25,900$479.0M3.37%Call
599
CANADIAN NATL RY CO
5,800$479.0M3.37%Call
600
REEVEREST RE GROUP LTD
2,155$477.0M3.35%
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