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 |
|---|---|---|---|---|---|
| 1 | JEFJEFFERIES FINL GROUP INC | 33,157 | $998.0M | 1.48% | |
| 2 | —MOBILE TELESYSTEMS PJSC | 119,500 | $997.0M | 1.48% | Call |
| 3 | CXCEMEX SAB DE CV | 142,977 | $997.0M | 1.48% | |
| 4 | —CHEMOCENTRYX INC | 19,400 | $994.0M | 1.47% | Put |
| 5 | AMHAMERICAN HOMES 4 RENT | 29,800 | $994.0M | 1.47% | Put |
| 6 | CRONCRONOS GROUP INC | 104,922 | $993.0M | 1.47% | |
| 7 | —SHIFT4 PMTS INC | 12,100 | $992.0M | 1.47% | Put |
| 8 | DBDEURDIEBOLD INC | 70,189 | $992.0M | 1.47% | |
| 9 | BWABORGWARNER INC | 21,400 | $992.0M | 1.47% | Put |
| 10 | —DURECT CORP | 501,100 | $992.0M | 1.47% | Call |
| 11 | AGIOAGIOS PHARMACEUTICALS INC | 19,200 | $991.0M | 1.47% | Call |
| 12 | —TRITON INTL LTD | 18,000 | $990.0M | 1.47% | Put |
| 13 | ILPTINDUSTRIAL LOGISTICS PPTYS T | 42,800 | $990.0M | 1.47% | Call |
| 14 | —MULTIPLAN CORPORATION | 178,300 | $990.0M | 1.47% | Put |
| 15 | ELANELANCO ANIMAL HEALTH INC | 33,608 | $990.0M | 1.47% | |
| 16 | ZIONZIONS BANCORPORATION N A | 18,000 | $989.0M | 1.46% | Call |
| 17 | CNDTCONDUENT INC | 148,301 | $988.0M | 1.46% | |
| 18 | —GX ACQUISITION CORP | 97,891 | $987.0M | 1.46% | |
| 19 | —YATSEN HLDG LTD | 79,900 | $987.0M | 1.46% | Put |
| 20 | RBBNRIBBON COMMUNICATIONS INC | 120,064 | $986.0M | 1.46% | |
| 21 | CSGPCOSTAR GROUP INC | 1,200 | $986.0M | 1.46% | Put |
| 22 | —MESA AIR GROUP INC | 73,200 | $985.0M | 1.46% | Call |
| 23 | MCOMOODYS CORP | 3,300 | $985.0M | 1.46% | Put |
| 24 | NATNORDIC AMERICAN TANKERS LIMI | 302,400 | $983.0M | 1.46% | Put |
| 25 | CLGXCORELOGIC INC | 12,390 | $982.0M | 1.45% | |
| 26 | ICLRICON PLC | 5,000 | $982.0M | 1.45% | Put |
| 27 | EQHEQUITABLE HLDGS INC | 30,100 | $982.0M | 1.45% | Call |
| 28 | LEGLEGGETT & PLATT INC | 21,500 | $981.0M | 1.45% | Put |
| 29 | —PROOFPOINT INC | 7,800 | $981.0M | 1.45% | Put |
| 30 | —SAGE THERAPEUTICS INC | 13,100 | $981.0M | 1.45% | Call |
| 31 | GSMFERROGLOBE PLC | 259,100 | $979.0M | 1.45% | Put |
| 32 | —NORTHERN STAR ACQUISITION CO | 88,000 | $979.0M | 1.45% | Put |
| 33 | MRKRMARKER THERAPEUTICS INC | 437,100 | $979.0M | 1.45% | Call |
| 34 | CPRTCOPART INC | 9,002 | $978.0M | 1.45% | |
| 35 | CHDCHURCH & DWIGHT INC | 11,200 | $978.0M | 1.45% | Call |
| 36 | —TURQUOISE HILL RES LTD | 60,700 | $977.0M | 1.45% | Put |
| 37 | —ENABLE MIDSTREAM PARTNERS LP | 150,400 | $975.0M | 1.44% | Call |
| 38 | —THE ODP CORP | 22,500 | $974.0M | 1.44% | Put |
| 39 | CNDTCONDUENT INC | 146,100 | $973.0M | 1.44% | Put |
| 40 | —CO-DIAGNOSTICS INC | 102,000 | $973.0M | 1.44% | Put |
| 41 | FROFRONTLINE LTD | 135,800 | $971.0M | 1.44% | Call |
| 42 | —NEXTGEN ACQUISITION CORP | 97,911 | $971.0M | 1.44% | |
| 43 | CDNSCADENCE DESIGN SYSTEM INC | 7,072 | $969.0M | 1.44% | |
| 44 | —COMSTOCK RES INC | 174,700 | $968.0M | 1.43% | Put |
| 45 | OVVOVINTIV INC | 40,619 | $968.0M | 1.43% | |
| 46 | BALLBALL CORP | 11,400 | $966.0M | 1.43% | Put |
| 47 | XPELXPEL INC | 18,600 | $966.0M | 1.43% | Call |
| 48 | SWN1EURSOUTHWESTERN ENERGY CO | 207,504 | $965.0M | 1.43% | |
| 49 | LYBLYONDELLBASELL INDUSTRIES N | 9,266 | $964.0M | 1.43% | |
| 50 | —U S SILICA HLDGS INC | 78,400 | $964.0M | 1.43% | Call |
| 51 | ICHRICHOR HOLDINGS | 17,900 | $963.0M | 1.43% | Call |
| 52 | SIGSIGNET JEWELERS LIMITED | 16,600 | $962.0M | 1.42% | Put |
| 53 | THCTENET HEALTHCARE CORP | 18,500 | $962.0M | 1.42% | Put |
| 54 | CMPSCOMPASS PATHWAYS PLC | 26,100 | $961.0M | 1.42% | Call |
| 55 | N1KNEWAGE INC | 336,107 | $961.0M | 1.42% | |
| 56 | —TRINITY INDS INC | 33,700 | $960.0M | 1.42% | Call |
| 57 | —OFFICE PPTYS INCOME TR | 34,800 | $958.0M | 1.42% | Call |
| 58 | SGENUSDSEAGEN INC | 6,898 | $958.0M | 1.42% | |
| 59 | ADMARCHER DANIELS MIDLAND CO | 16,800 | $958.0M | 1.42% | Put |
| 60 | SSNCSS&C TECHNOLOGIES HLDGS INC | 13,700 | $957.0M | 1.42% | Put |
| 61 | DBIDESIGNER BRANDS INC | 55,000 | $957.0M | 1.42% | Put |
| 62 | —VERINT SYS INC | 21,000 | $955.0M | 1.41% | Put |
| 63 | ATIALLEGHENY TECHNOLOGIES INC | 45,300 | $954.0M | 1.41% | Put |
| 64 | —PPD INC | 25,200 | $954.0M | 1.41% | Call |
| 65 | QUOTUSDQUOTIENT TECHNOLOGY INC | 58,349 | $953.0M | 1.41% | |
| 66 | AXPAMERICAN EXPRESS CO | 6,737 | $953.0M | 1.41% | |
| 67 | OPLNKAR AUCTION SVCS INC | 63,500 | $953.0M | 1.41% | Call |
| 68 | —FIDUS INVT CORP | 61,200 | $952.0M | 1.41% | Put |
| 69 | COHUCOHU INC | 22,700 | $950.0M | 1.41% | Put |
| 70 | MFS1EURWELBILT INC | 58,379 | $949.0M | 1.41% | |
| 71 | —NEVRO CORP | 6,800 | $949.0M | 1.41% | Call |
| 72 | —TUPPERWARE BRANDS CORP | 35,900 | $948.0M | 1.40% | Call |
| 73 | RACEFERRARI N V | 4,525 | $947.0M | 1.40% | |
| 74 | —COMERICA INC | 13,200 | $947.0M | 1.40% | Call |
| 75 | —BROOKFIELD PROPERTY PARTRS L | 53,100 | $945.0M | 1.40% | Call |
| 76 | —ROMEO POWER INC | 113,400 | $945.0M | 1.40% | Put |
| 77 | HDBHDFC BANK LTD | 12,167 | $945.0M | 1.40% | |
| 78 | —AMERICAN WTR WKS CO INC NEW | 6,300 | $945.0M | 1.40% | Call |
| 79 | ALSALLSTATE CORP | 8,203 | $943.0M | 1.40% | |
| 80 | —SCIPLAY CORPORATION | 58,200 | $942.0M | 1.40% | Put |
| 81 | —HARTFORD FINL SVCS GROUP INC | 14,100 | $942.0M | 1.40% | Put |
| 82 | YEXTYEXT INC | 64,900 | $940.0M | 1.39% | Call |
| 83 | —SOCIEDAD QUIMICA Y MINERA DE | 17,700 | $939.0M | 1.39% | Put |
| 84 | LZBLA Z BOY INC | 22,100 | $939.0M | 1.39% | Put |
| 85 | —500 COM LTD | 43,900 | $938.0M | 1.39% | Put |
| 86 | COOCOOPER COS INC | 2,439 | $937.0M | 1.39% | |
| 87 | KOSKOSMOS ENERGY LTD | 305,100 | $937.0M | 1.39% | Call |
| 88 | BCBRUNSWICK CORP | 9,800 | $935.0M | 1.38% | Call |
| 89 | —MYOVANT SCIENCES LTD | 45,400 | $934.0M | 1.38% | Call |
| 90 | —LIMELIGHT NETWORKS INC | 261,477 | $933.0M | 1.38% | |
| 91 | —ZEPP HEALTH CORPORATION | 86,600 | $933.0M | 1.38% | Call |
| 92 | —CHIMERA INVT CORP | 73,500 | $933.0M | 1.38% | Call |
| 93 | AZTABROOKS AUTOMATION INC NEW | 11,400 | $931.0M | 1.38% | Call |
| 94 | STKLSUNOPTA INC | 63,000 | $931.0M | 1.38% | Put |
| 95 | —MESOBLAST LTD | 112,600 | $931.0M | 1.38% | Put |
| 96 | GDDYGODADDY INC | 12,000 | $931.0M | 1.38% | Call |
| 97 | LWLAMB WESTON HLDGS INC | 12,000 | $930.0M | 1.38% | Put |
| 98 | KODKODIAK SCIENCES INC | 8,200 | $930.0M | 1.38% | Call |
| 99 | LAMRLAMAR ADVERTISING CO NEW | 9,900 | $930.0M | 1.38% | Put |
| 100 | EXKENDEAVOUR SILVER CORP | 187,300 | $929.0M | 1.38% | Call |
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