GROUP ONE TRADING LLC Q1 2016 Filing

Filed May 12, 2016

Portfolio Value

$7.1B

Holdings

4,548

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (4,548 positions)

#StockSharesValue% PortfolioType
501
PENGROWTH ENERGY CORP
387,700$508.0M7.17%Put
502
STXSEAGATE TECHNOLOGY PLC
14,739$508.0M7.17%
503
DVADAVITA HEALTHCARE PARTNERS I
6,900$506.0M7.14%Put
504
ANIKA THERAPEUTICS INC
11,300$505.0M7.13%Call
505
SPECTRA ENERGY PARTNERS LP
10,500$505.0M7.13%Put
506
RACKSPACE HOSTING INC
23,400$505.0M7.13%Call
507
MAIN STREET CAPITAL CORP
16,100$505.0M7.13%Call
508
RFREGIONS FINL CORP NEW
64,200$504.0M7.12%Call
509
HEARTWARE INTL INC
16,000$503.0M7.10%Put
510
COOPER TIRE & RUBR CO
13,600$503.0M7.10%Call
511
RACEFERRARI N V
12,060$503.0M7.10%
512
AMARIN CORP PLC
328,300$502.0M7.09%
513
RACKSPACE HOSTING INC
23,200$501.0M7.07%Put
514
LNGCHENIERE ENERGY INC
14,800$501.0M7.07%Put
515
PACKAGING CORP AMER
8,300$501.0M7.07%Put
516
U S G CORP
20,100$499.0M7.04%Put
517
DREAMWORKS ANIMATION SKG INC
19,900$497.0M7.02%Call
518
NEWFIELD EXPL CO
14,953$497.0M7.02%
519
AIRGAS INC
3,500$496.0M7.00%Put
520
STLDSTEEL DYNAMICS INC
22,000$495.0M6.99%Put
521
AARONS INC
19,674$494.0M6.97%
522
SPIRIT AEROSYSTEMS HLDGS INC
10,900$494.0M6.97%Put
523
TERRAFORM PWR INC
57,000$493.0M6.96%Call
524
MARMARRIOTT INTL INC NEW
6,901$491.0M6.93%
525
DNKNDUNKIN BRANDS GROUP INC
10,414$491.0M6.93%
526
MCDERMOTT INTL INC
120,000$491.0M6.93%Call
527
CFRCULLEN FROST BANKERS INC
8,900$490.0M6.92%Put
528
AMERICAN WTR WKS CO INC NEW
7,100$489.0M6.90%Call
529
SYNGENTA AG
5,900$489.0M6.90%Call
530
PPCPILGRIMS PRIDE CORP NEW
19,200$488.0M6.89%Call
531
ASTORIA FINL CORP
30,800$488.0M6.89%Call
532
SWBISMITH & WESSON HLDG CORP
18,313$487.0M6.88%
533
ITCIEURINTRA CELLULAR THERAPIES INC
17,534$487.0M6.88%
534
ACHILLION PHARMACEUTICALS IN
62,900$486.0M6.86%Put
535
GAMESTOP CORP NEW
15,300$485.0M6.85%Call
536
SEESEALED AIR CORP NEW
10,100$485.0M6.85%Put
537
VECTOR GROUP LTD
21,200$484.0M6.83%Put
538
CERNCHFCERNER CORP
9,132$484.0M6.83%
539
EWEDWARDS LIFESCIENCES CORP
5,479$483.0M6.82%
540
EIXEDISON INTL
6,700$482.0M6.80%Call
541
CAPITAL SR LIVING CORP
25,948$481.0M6.79%
542
ABERCROMBIE & FITCH CO
15,210$480.0M6.78%
543
GOGOGOGO INC
43,600$480.0M6.78%Call
544
LEUCADIA NATL CORP
29,700$480.0M6.78%Put
545
GRMNGARMIN LTD
12,000$480.0M6.78%Put
546
ONCOTHYREON INC
376,800$479.0M6.76%Call
547
DICKS SPORTING GOODS INC
10,200$477.0M6.73%Put
548
NAVISTAR INTL CORP NEW
38,100$477.0M6.73%Call
549
BERRY PLASTICS GROUP INC
13,200$477.0M6.73%Call
550
ALBANY MOLECULAR RESH INC
31,141$476.0M6.72%
551
TAILORED BRANDS INC
26,600$476.0M6.72%Put
552
BELMOND LTD
50,000$475.0M6.71%Put
553
ABIOMED INC
5,000$474.0M6.69%Call
554
NEW YORK REIT INC
46,900$474.0M6.69%Call
555
DAVE & BUSTERS ENTMT INC
12,200$473.0M6.68%Put
556
MANITOWOC INC
108,957$472.0M6.66%
557
LANNET INC
26,300$472.0M6.66%Call
558
VEEVA SYS INC
18,800$471.0M6.65%Call
559
BGCPEURBGC PARTNERS INC
52,000$471.0M6.65%
560
GELGENESIS ENERGY L P
14,800$470.0M6.64%Call
561
AVON PRODS INC
97,252$468.0M6.61%
562
BLUCORA INC
90,600$468.0M6.61%Put
563
TERRAFORM PWR INC
53,959$467.0M6.59%
564
AKBAAKEBIA THERAPEUTICS INC
51,800$467.0M6.59%Put
565
VFCV F CORP
7,200$466.0M6.58%Call
566
ROKROCKWELL AUTOMATION INC
4,100$466.0M6.58%Call
567
U S G CORP
18,800$466.0M6.58%Call
568
TIDEWATER INC
68,200$466.0M6.58%Call
569
FLAGSTAR BANCORP INC
21,600$464.0M6.55%Call
570
ACXIOM CORP
21,600$463.0M6.54%Call
571
CMCM1EURCHEETAH MOBILE INC
28,326$463.0M6.54%
572
SHLDEURSEARS HLDGS CORP
30,199$462.0M6.52%
573
EXASEXACT SCIENCES CORP
68,600$462.0M6.52%Put
574
DEPOMED INC
33,091$461.0M6.51%
575
AVIS BUDGET GROUP
16,800$460.0M6.49%Put
576
HALOHALOZYME THERAPEUTICS INC
48,500$459.0M6.48%Put
577
FIVEFIVE BELOW INC
11,115$459.0M6.48%
578
COOPER TIRE & RUBR CO
12,400$459.0M6.48%Put
579
HI-CRUSH PARTNERS LP
92,600$459.0M6.48%Call
580
DIPLOMAT PHARMACY INC
16,700$458.0M6.47%Call
581
ALLSCRIPTS HEALTHCARE SOLUTN
34,700$458.0M6.47%Call
582
VERINT SYS INC
13,700$457.0M6.45%Put
583
QUINTILES TRANSNATIO HLDGS I
7,000$456.0M6.44%Put
584
TAILORED BRANDS INC
25,400$455.0M6.42%Call
585
CITIZENS FINL GROUP INC
21,600$453.0M6.40%Call
586
GELGENESIS ENERGY L P
14,200$451.0M6.37%Put
587
LEUCADIA NATL CORP
27,900$451.0M6.37%Call
588
LIONS GATE ENTMNT CORP
20,500$448.0M6.32%Call
589
ARRAY BIOPHARMA INC
151,800$448.0M6.32%Put
590
ENCANA CORP
73,500$448.0M6.32%Call
591
QEP RES INC
31,700$447.0M6.31%Call
592
TJX COS INC NEW
5,700$447.0M6.31%Call
593
AGCO CORP
9,000$447.0M6.31%Put
594
BARRACUDA NETWORKS INC
28,937$446.0M6.30%
595
OHIOMEGA HEALTHCARE INVS INC
12,600$445.0M6.28%Put
596
ATHMAUTOHOME INC
15,900$444.0M6.27%Put
597
MANHMANHATTAN ASSOCS INC
7,800$444.0M6.27%Put
598
AMERICAN CAPITAL AGENCY CORP
23,800$443.0M6.25%Put
599
PCGPG&E CORP
7,400$442.0M6.24%Put
600
SIERRA WIRELESS INC
30,300$441.0M6.23%Put
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