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)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 301 | IBNICICI BANK LIMITED | 48,500 | $777.0M | 1.15% | Call |
| 302 | XNETXUNLEI LTD | 118,300 | $774.0M | 1.15% | Call |
| 303 | TFINTRIUMPH BANCORP INC | 10,000 | $774.0M | 1.15% | Put |
| 304 | OTEXOPEN TEXT CORP | 16,200 | $773.0M | 1.14% | Call |
| 305 | ALTALTIMMUNE INC | 54,700 | $773.0M | 1.14% | Call |
| 306 | BTAIEURBIOXCEL THERAPEUTICS INC | 17,876 | $772.0M | 1.14% | |
| 307 | CGNXCOGNEX CORP | 9,304 | $772.0M | 1.14% | |
| 308 | AIVAPARTMENT INVT & MGMT CO | 125,368 | $770.0M | 1.14% | |
| 309 | —BLACK KNIGHT INC | 10,400 | $770.0M | 1.14% | Call |
| 310 | LNGCHENIERE ENERGY INC | 10,693 | $770.0M | 1.14% | |
| 311 | LYGLLOYDS BANKING GROUP PLC | 332,000 | $770.0M | 1.14% | Put |
| 312 | IOVAIOVANCE BIOTHERAPEUTICS INC | 24,300 | $769.0M | 1.14% | Put |
| 313 | —EDGEWELL PERS CARE CO | 19,400 | $768.0M | 1.14% | Call |
| 314 | OUTOUTFRONT MEDIA INC | 35,200 | $768.0M | 1.14% | Call |
| 315 | WRKUSDWESTROCK CO | 14,690 | $765.0M | 1.13% | |
| 316 | —STARWOOD PPTY TR INC | 30,900 | $764.0M | 1.13% | Put |
| 317 | RBBNRIBBON COMMUNICATIONS INC | 93,100 | $764.0M | 1.13% | Call |
| 318 | VYXNCR CORP NEW | 20,133 | $764.0M | 1.13% | |
| 319 | TRMBTRIMBLE INC | 9,800 | $762.0M | 1.13% | Put |
| 320 | MDYSPDR S&P MIDCAP 400 ETF TR | 1,600 | $762.0M | 1.13% | |
| 321 | TDSTELEPHONE & DATA SYS INC | 33,200 | $762.0M | 1.13% | Call |
| 322 | —BLUE APRON HLDGS INC | 120,500 | $760.0M | 1.13% | Put |
| 323 | —INTRA CELLULAR THERAPIES INC | 22,400 | $760.0M | 1.13% | Put |
| 324 | —MESOBLAST LTD | 91,800 | $759.0M | 1.12% | Call |
| 325 | LLOEWS CORP | 14,800 | $759.0M | 1.12% | Call |
| 326 | SYNASYNAPTICS INC | 5,600 | $758.0M | 1.12% | Put |
| 327 | —LIONS GATE ENTMNT CORP | 50,700 | $758.0M | 1.12% | Call |
| 328 | KTOSKRATOS DEFENSE & SEC SOLUTIO | 27,800 | $758.0M | 1.12% | Put |
| 329 | —MGM GROWTH PPTYS LLC | 23,200 | $757.0M | 1.12% | Put |
| 330 | —YUMANITY THERAPEUTICS INC | 41,700 | $755.0M | 1.12% | Call |
| 331 | —KIMCO RLTY CORP | 40,200 | $754.0M | 1.12% | Put |
| 332 | CBATCBAK ENERGY TECHNOLOGY INC | 147,900 | $754.0M | 1.12% | Put |
| 333 | BDXBECTON DICKINSON & CO | 3,100 | $754.0M | 1.12% | Put |
| 334 | EBEVENTBRITE INC | 34,000 | $753.0M | 1.12% | Put |
| 335 | —JACOBS ENGR GROUP INC | 5,800 | $750.0M | 1.11% | Put |
| 336 | OREUROSISKO GOLD ROYALTIES LTD | 67,985 | $749.0M | 1.11% | |
| 337 | —AMPIO PHARMACEUTICALS INC | 443,291 | $749.0M | 1.11% | |
| 338 | KRTXKARUNA THERAPEUTICS INC | 6,233 | $749.0M | 1.11% | |
| 339 | GGALGRUPO FINANCIERO GALICIA S.A | 98,410 | $749.0M | 1.11% | |
| 340 | SDCCQSMILEDIRECTCLUB INC | 72,504 | $748.0M | 1.11% | |
| 341 | CYTKCYTOKINETICS INC | 32,077 | $746.0M | 1.10% | |
| 342 | CRDFCARDIFF ONCOLOGY INC | 80,600 | $746.0M | 1.10% | Call |
| 343 | ICLRICON PLC | 3,800 | $746.0M | 1.10% | |
| 344 | —REPUBLIC SVCS INC | 7,500 | $745.0M | 1.10% | Call |
| 345 | HTGCHERCULES CAPITAL INC | 46,400 | $744.0M | 1.10% | Call |
| 346 | —CONNS INC | 38,200 | $743.0M | 1.10% | Put |
| 347 | BBWBUILD-A-BEAR WORKSHOP INC | 107,500 | $742.0M | 1.10% | Put |
| 348 | PENNPENN NATL GAMING INC | 7,078 | $742.0M | 1.10% | |
| 349 | EXPIEXP WORLD HLDGS INC | 16,300 | $742.0M | 1.10% | Put |
| 350 | —HOLLYFRONTIER CORP | 20,700 | $741.0M | 1.10% | Call |
| 351 | VIRTVIRTU FINL INC | 23,849 | $741.0M | 1.10% | |
| 352 | TREURTRILLIUM THERAPEUTICS INC | 68,950 | $741.0M | 1.10% | |
| 353 | —INTERSECT ENT INC | 35,500 | $741.0M | 1.10% | Call |
| 354 | —GRAN TIERRA ENERGY INC | 1,059,300 | $741.0M | 1.10% | Call |
| 355 | —VISLINK TECHNOLOGIES INC | 252,600 | $740.0M | 1.10% | Call |
| 356 | SOGOGBPSOGOU INC | 97,964 | $740.0M | 1.10% | |
| 357 | XRAYDENTSPLY SIRONA INC | 11,600 | $740.0M | 1.10% | Call |
| 358 | —MIMECAST LTD | 18,400 | $740.0M | 1.10% | Call |
| 359 | SPYUBANK MONTREAL QUE | 8,300 | $740.0M | 1.10% | Put |
| 360 | —NIC INC | 21,800 | $740.0M | 1.10% | Call |
| 361 | HAMHARMONY GOLD MINING CO LTD | 169,394 | $739.0M | 1.09% | |
| 362 | ENTGENTEGRIS INC | 6,600 | $738.0M | 1.09% | Put |
| 363 | AMNAMN HEALTHCARE SVCS INC | 10,000 | $737.0M | 1.09% | Put |
| 364 | —ATLAS AIR WORLDWIDE HLDGS IN | 12,200 | $737.0M | 1.09% | Call |
| 365 | DSEURDRIVE SHACK INC | 229,108 | $735.0M | 1.09% | |
| 366 | —FACEBOOK INC | 2,494,400 | $734.7M | 1.09% | Call |
| 367 | —IDEXX LABS INC | 1,500 | $734.0M | 1.09% | Put |
| 368 | CECELANESE CORP DEL | 4,900 | $734.0M | 1.09% | Put |
| 369 | 7SUSUMMIT MATLS INC | 26,179 | $734.0M | 1.09% | |
| 370 | —SIRIUS XM HOLDINGS INC | 120,400 | $733.0M | 1.09% | Put |
| 371 | CHEFCHEFS WHSE INC | 24,068 | $733.0M | 1.09% | |
| 372 | ERIIENERGY RECOVERY INC | 39,918 | $732.0M | 1.08% | |
| 373 | AVAVAEROVIRONMENT INC | 6,300 | $731.0M | 1.08% | Call |
| 374 | RADEURRITE AID CORP | 35,658 | $730.0M | 1.08% | |
| 375 | KMXCARMAX INC | 5,505 | $730.0M | 1.08% | |
| 376 | CYTKCYTOKINETICS INC | 31,400 | $730.0M | 1.08% | Call |
| 377 | —VBI VACCINES INC CDA | 234,600 | $730.0M | 1.08% | Put |
| 378 | —ALTIMETER GROWTH CORP | 62,200 | $728.0M | 1.08% | Call |
| 379 | MSGSMADISON SQUARE GRDN SPRT COR | 4,054 | $728.0M | 1.08% | |
| 380 | —BOINGO WIRELESS INC | 51,748 | $728.0M | 1.08% | |
| 381 | RWTREDWOOD TR INC | 69,798 | $727.0M | 1.08% | |
| 382 | —CITIC CAPITAL ACQUISITION CO | 72,573 | $726.0M | 1.08% | |
| 383 | —COMSTOCK RES INC | 131,100 | $726.0M | 1.08% | Call |
| 384 | TEN1TENNECO INC | 67,539 | $724.0M | 1.07% | |
| 385 | TMHCTAYLOR MORRISON HOME CORP | 23,500 | $724.0M | 1.07% | Put |
| 386 | NHINATIONAL HEALTH INVS INC | 1,000 | $723.0M | 1.07% | Call |
| 387 | —FSD PHARMA INC | 378,600 | $723.0M | 1.07% | Call |
| 388 | KRPKIMBELL RTY PARTNERS LP | 71,265 | $723.0M | 1.07% | |
| 389 | CMBTEURONAV NV | 78,872 | $722.0M | 1.07% | |
| 390 | —WP CAREY INC | 10,200 | $722.0M | 1.07% | Put |
| 391 | HSTHOST HOTELS & RESORTS INC | 42,792 | $721.0M | 1.07% | |
| 392 | —ACCOLADE INC | 15,900 | $721.0M | 1.07% | Call |
| 393 | —MEREDITH CORP | 24,200 | $721.0M | 1.07% | Call |
| 394 | KTKT CORP | 57,900 | $720.0M | 1.07% | Call |
| 395 | ALDXALDEYRA THERAPEUTICS INC | 60,553 | $719.0M | 1.06% | |
| 396 | TSTENARIS S A | 31,700 | $719.0M | 1.06% | Call |
| 397 | TROXTRONOX HOLDINGS PLC | 39,289 | $719.0M | 1.06% | |
| 398 | —DORMAN PRODS INC | 7,000 | $718.0M | 1.06% | Put |
| 399 | —STIFEL FINL CORP | 11,200 | $717.0M | 1.06% | Call |
| 400 | —IAA INC | 13,000 | $717.0M | 1.06% | Put |