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)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 201 | TDAYGANNETT CO INC | 238,800 | $802.0M | 1.39% | Call |
| 202 | PRTSCARPARTS COM INC | 64,700 | $802.0M | 1.39% | Put |
| 203 | ACMAECOM | 16,100 | $801.0M | 1.39% | Call |
| 204 | —PURE STORAGE INC | 35,400 | $800.0M | 1.38% | Put |
| 205 | REALTHE REALREAL INC | 40,900 | $799.0M | 1.38% | Call |
| 206 | —UNIVERSAL HLTH SVCS INC | 5,800 | $798.0M | 1.38% | Put |
| 207 | FMSFRESENIUS MED CARE AG&CO KGA | 19,200 | $798.0M | 1.38% | Call |
| 208 | BRBROADRIDGE FINL SOLUTIONS IN | 5,207 | $798.0M | 1.38% | |
| 209 | VKTXVIKING THERAPEUTICS INC | 141,500 | $797.0M | 1.38% | Call |
| 210 | LPROOPEN LENDING CORP | 22,800 | $797.0M | 1.38% | Call |
| 211 | —TENNECO INC | 75,100 | $796.0M | 1.38% | Call |
| 212 | ALTALTIMMUNE INC | 70,400 | $794.0M | 1.37% | Call |
| 213 | NSYNICE LTD | 2,800 | $794.0M | 1.37% | |
| 214 | —SPROUTS FMRS MKT INC | 39,500 | $794.0M | 1.37% | Put |
| 215 | —LONGVIEW ACQUISITION CORP | 40,000 | $792.0M | 1.37% | Call |
| 216 | SAVACASSAVA SCIENCES INC | 116,200 | $792.0M | 1.37% | Call |
| 217 | FTITECHNIPFMC PLC | 84,200 | $791.0M | 1.37% | Call |
| 218 | —SEAGATE TECHNOLOGY PLC | 12,700 | $789.0M | 1.36% | Put |
| 219 | —CANTEL MED CORP | 10,000 | $789.0M | 1.36% | Put |
| 220 | EIXEDISON INTL | 12,549 | $788.0M | 1.36% | |
| 221 | ESTCELASTIC N V | 5,386 | $787.0M | 1.36% | |
| 222 | —TERADATA CORP DEL | 35,000 | $786.0M | 1.36% | Call |
| 223 | GWREGUIDEWIRE SOFTWARE INC | 6,100 | $785.0M | 1.36% | Call |
| 224 | HMYHARMONY GOLD MINING CO LTD | 167,000 | $782.0M | 1.35% | Put |
| 225 | USPHU S PHYSICAL THERAPY INC | 6,500 | $782.0M | 1.35% | Put |
| 226 | —EXPRESS INC | 859,000 | $782.0M | 1.35% | Put |
| 227 | —THOR INDS INC | 8,400 | $781.0M | 1.35% | Call |
| 228 | LTHM1EURLIVENT CORP | 41,397 | $780.0M | 1.35% | |
| 229 | IHRTIHEARTMEDIA INC | 60,100 | $780.0M | 1.35% | Call |
| 230 | MYGNMYRIAD GENETICS INC | 39,400 | $779.0M | 1.35% | Call |
| 231 | —STABLE RD ACQUISITION CORP | 43,300 | $778.0M | 1.35% | Put |
| 232 | RDNRADIAN GROUP INC | 38,400 | $778.0M | 1.35% | Call |
| 233 | —TRITON INTL LTD | 16,000 | $776.0M | 1.34% | Put |
| 234 | NVV1NOVAVAX INC | 6,959 | $776.0M | 1.34% | |
| 235 | WATTENERGOUS CORP | 430,831 | $776.0M | 1.34% | |
| 236 | —REMARK HLDGS INC | 407,800 | $775.0M | 1.34% | Put |
| 237 | —LUFAX HOLDING LTD | 54,500 | $774.0M | 1.34% | Put |
| 238 | CGCARLYLE GROUP INC | 24,600 | $773.0M | 1.34% | Put |
| 239 | —ALIBABA GROUP HLDG LTD | 3,320,300 | $772.7M | 1.34% | Call |
| 240 | DSEURDRIVE SHACK INC | 324,491 | $772.0M | 1.34% | |
| 241 | MLKNMILLER HERMAN INC | 22,800 | $771.0M | 1.33% | Put |
| 242 | UMCUNITED MICROELECTRONICS CORP | 91,400 | $771.0M | 1.33% | Put |
| 243 | NMIHNMI HLDGS INC | 34,000 | $770.0M | 1.33% | |
| 244 | MTZMASTEC INC | 11,300 | $770.0M | 1.33% | Put |
| 245 | PAYCPAYCOM SOFTWARE INC | 1,700 | $769.0M | 1.33% | Call |
| 246 | EVEREVERQUOTE INC | 20,600 | $769.0M | 1.33% | Call |
| 247 | MNKDMANNKIND CORP | 245,400 | $768.0M | 1.33% | Put |
| 248 | —INSU ACQUISITION CORP II | 49,400 | $768.0M | 1.33% | Call |
| 249 | —VOCERA COMMUNICATIONS INC | 18,500 | $768.0M | 1.33% | Call |
| 250 | —UNITED NAT FOODS INC | 48,000 | $767.0M | 1.33% | Put |
| 251 | RUTHUSDRUTHS HOSPITALITY GROUP INC | 43,235 | $767.0M | 1.33% | |
| 252 | VMCVULCAN MATLS CO | 5,163 | $766.0M | 1.32% | |
| 253 | ENVAENOVA INTL INC | 30,900 | $765.0M | 1.32% | Put |
| 254 | BILLBILL COM HLDGS INC | 5,600 | $764.0M | 1.32% | Call |
| 255 | —TRADEWEB MKTS INC | 12,200 | $762.0M | 1.32% | Call |
| 256 | —LIBERTY TRIPADVISOR HLDGS IN | 175,600 | $762.0M | 1.32% | Call |
| 257 | —AVID BIOSERVICES INC | 66,000 | $762.0M | 1.32% | Call |
| 258 | NTAPNETAPP INC | 11,511 | $762.0M | 1.32% | |
| 259 | WINGWINGSTOP INC | 5,739 | $761.0M | 1.32% | |
| 260 | ISRGINTUIT | 2,000 | $760.0M | 1.31% | Call |
| 261 | CHEFCHEFS WHSE INC | 29,515 | $758.0M | 1.31% | |
| 262 | HUYAHUYA INC | 38,057 | $758.0M | 1.31% | |
| 263 | CDLXCARDLYTICS INC | 5,300 | $757.0M | 1.31% | Call |
| 264 | —VIRTU FINL INC | 30,000 | $755.0M | 1.31% | Put |
| 265 | LOPEGRAND CANYON ED INC | 8,100 | $754.0M | 1.30% | Put |
| 266 | CAASCHINA AUTOMOTIVE SYS INC | 120,800 | $754.0M | 1.30% | Call |
| 267 | —WESTERN ASSET MTG CAP CORP | 231,000 | $753.0M | 1.30% | Call |
| 268 | BTAIBIOXCEL THERAPEUTICS INC | 16,300 | $753.0M | 1.30% | Put |
| 269 | MIC2EURMACQUARIE INFRASTRUCTURE COR | 19,963 | $750.0M | 1.30% | |
| 270 | PDPAGERDUTY INC | 17,982 | $750.0M | 1.30% | |
| 271 | MRKMERCK & CO. INC | 9,147 | $748.0M | 1.29% | |
| 272 | DIODDIODES INC | 10,600 | $747.0M | 1.29% | Put |
| 273 | —FIVE PRIME THERAPEUTICS INC | 43,800 | $745.0M | 1.29% | Put |
| 274 | MATWMATTHEWS INTL CORP | 25,298 | $744.0M | 1.29% | |
| 275 | APIAGORA INC | 18,800 | $744.0M | 1.29% | Call |
| 276 | FLEXFLEX LTD | 41,404 | $744.0M | 1.29% | |
| 277 | ARCTARCTURUS THERAPEUTICS HLDGS | 17,149 | $744.0M | 1.29% | |
| 278 | CDNSCADENCE DESIGN SYSTEM INC | 5,453 | $744.0M | 1.29% | |
| 279 | —TABULA RASA HEALTHCARE INC | 17,300 | $741.0M | 1.28% | Put |
| 280 | NXTCNEXTCURE INC | 68,000 | $741.0M | 1.28% | Call |
| 281 | TTTRANE TECHNOLOGIES PLC | 5,100 | $740.0M | 1.28% | Put |
| 282 | UTZUTZ BRANDS INC | 33,500 | $739.0M | 1.28% | Call |
| 283 | ATNMACTINIUM PHARMACEUTICALS INC | 94,800 | $739.0M | 1.28% | Put |
| 284 | AMSCAMERICAN SUPERCONDUCTOR CORP | 31,504 | $738.0M | 1.28% | |
| 285 | —EIDOS THERAPEUTICS INC | 5,600 | $737.0M | 1.27% | Put |
| 286 | GBCIGLACIER BANCORP INC NEW | 16,000 | $736.0M | 1.27% | Call |
| 287 | LXLEXINFINTECH HLDGS LTD | 109,900 | $736.0M | 1.27% | Put |
| 288 | NXSTNEXSTAR MEDIA GROUP INC | 6,744 | $736.0M | 1.27% | |
| 289 | SMSM ENERGY CO | 120,000 | $734.0M | 1.27% | Put |
| 290 | TALOTALOS ENERGY INC | 88,800 | $732.0M | 1.27% | Put |
| 291 | PIIMPINJ INC | 17,455 | $731.0M | 1.26% | |
| 292 | —NAM TAI PPTY INC | 124,739 | $730.0M | 1.26% | |
| 293 | —WESTPORT FUEL SYSTEMS INC | 136,800 | $729.0M | 1.26% | Call |
| 294 | SUMO2EURSUMO LOGIC INC | 25,517 | $729.0M | 1.26% | |
| 295 | —SILVERCREST METALS INC | 65,200 | $729.0M | 1.26% | Call |
| 296 | CANETEUCRIUM COMMODITY TR | 46,700 | $728.0M | 1.26% | Call |
| 297 | RWTREDWOOD TR INC | 82,624 | $725.0M | 1.25% | |
| 298 | —22ND CENTY GROUP INC | 329,700 | $725.0M | 1.25% | Call |
| 299 | ZYXIQZYNEX INC | 53,798 | $724.0M | 1.25% | |
| 300 | FMCFMC CORP | 6,300 | $724.0M | 1.25% | Call |