GROUP ONE TRADING, L.P. - Q2 2021 holdings

$82.9 Billion is the total value of GROUP ONE TRADING, L.P.'s 8103 reported holdings in Q2 2021. The portfolio turnover from Q1 2021 to Q2 2021 was 8.8% .

 Value Shares↓ Weighting
 CONMED CORPput$7,834,000
+5.2%
57,0000.0%0.01%
-18.2%
 UNION PAC CORPput$6,664,000
-0.2%
30,3000.0%0.01%
-20.0%
 HONEYWELL INTL INCput$1,601,000
+1.0%
7,3000.0%0.00%0.0%
 CHENIERE ENERGY PARTNERS LPput$1,953,000
+6.6%
44,1000.0%0.00%
-33.3%
 NEW YORK CMNTY BANCORP INCcall$1,790,000
-12.6%
162,4000.0%0.00%
-33.3%
 ALBIREO PHARMA INCput$1,365,000
-0.2%
38,8000.0%0.00%0.0%
 ASHLAND GLOBAL HLDGS INCput$1,986,000
-1.4%
22,7000.0%0.00%
-33.3%
 SHENANDOAH TELECOMMUNICATIONput$2,057,000
-0.6%
42,4000.0%0.00%
-33.3%
 ANAPTYSBIO INCput$578,000
+20.2%
22,3000.0%0.00%0.0%
 PRA GROUP INCput$500,000
+3.7%
13,0000.0%0.00%0.0%
 PRA HEALTH SCIENCES INCput$1,107,000
-89.2%
6,7000.0%0.00%
-93.3%
 JACK IN THE BOX INCcall$624,000
+1.5%
5,6000.0%0.00%0.0%
 CONCENTRIX CORPcall$418,000
+7.5%
2,6000.0%0.00%0.0%
 DAKTRONICS INCcall$581,000
+5.1%
88,2000.0%0.00%0.0%
 BROOKFIELD ASSET MGMT INCput$765,000
+14.5%
15,0000.0%0.00%0.0%
 TRIUMPH BANCORP INCput$743,000
-4.0%
10,0000.0%0.00%0.0%
 WILLDAN GROUP INCcall$418,000
-8.3%
11,1000.0%0.00%0.0%
 MASONITE INTL CORPcall$458,000
-3.0%
4,1000.0%0.00%0.0%
 ALPHA PRO TECH LTDput$725,000
-12.2%
84,6000.0%0.00%0.0%
LIFE  ATYR PHARMA INC$0430.0%0.00%
 ACRES COMMERCIAL REALTY CORPput$10,000
+11.1%
6000.0%0.00%
 ACUITY BRANDS INCcall$168,000
-88.7%
9000.0%0.00%
-100.0%
 AEGLEA BIOTHERAPEUTICS INCput$104,000
-12.6%
15,0000.0%0.00%
 ADVANSIX INCcall$3,0000.0%1000.0%0.00%
 AIRGAIN INCput$8,0000.0%4000.0%0.00%
 ALASKA COMMUNICATIONS SYS GRcall$13,000
+8.3%
3,8000.0%0.00%
AAU  ALMADEN MINERALS LTD$0
-100.0%
9750.0%0.00%
 ALTA EQUIPMENT GROUP INCput$45,000
-89.8%
3,4000.0%0.00%
-100.0%
 AMERICAN VRTUAL CLOUD TECH Iput$30,000
+7.1%
5,0000.0%0.00%
AROC  ARCHROCK INC$12,0000.0%1,3000.0%0.00%
 ARGAN INCcall$162,000
-10.5%
3,4000.0%0.00%
AINC  ASHFORD INC$030.0%0.00%
 ATRICURE INCput$8,000
+14.3%
1000.0%0.00%
 AVITA MEDICAL INCput$4,0000.0%2000.0%0.00%
AXGN  AXOGEN INC$2,0000.0%1000.0%0.00%
BMTX  BM TECHNOLOGIES INC$11,000
-88.9%
8460.0%0.00%
BATL  BATTALION OIL CORP$1,0000.0%870.0%0.00%
 BELLICUM PHARMACEUTICALS INC$5,000
-16.7%
1,4870.0%0.00%
 BERRY GLOBAL GROUP INCput$85,000
+6.2%
1,3000.0%0.00%
BPFH  BOSTON PRIVATE FINL HLDGS IN$6,000
+20.0%
4000.0%0.00%
BAK  BRASKEM S Asp adr pfd a$26,000
+73.3%
1,0830.0%0.00%
 BRIGHTSPHERE INVT GROUP INCput$101,000
+14.8%
4,3000.0%0.00%
 CRA INTL INCput$9,000
+28.6%
1000.0%0.00%
 CNO FINL GROUP INCcall$7,0000.0%3000.0%0.00%
 CSI COMPRESSCO LPput$1,0000.0%6000.0%0.00%
 CABOT CORPput$57,000
+9.6%
1,0000.0%0.00%
 CALAVO GROWERS INCcall$82,000
-18.8%
1,3000.0%0.00%
 CARTERS INCput$93,000
+16.2%
9000.0%0.00%
CENT  CENTRAL GARDEN & PET CO$148,000
-8.6%
2,8000.0%0.00%
JRJC  CHINA FIN ONLINE CO LTDsponsord ads new$2,0000.0%1520.0%0.00%
ZNH  CHINA SOUTHERN AIRLINES CO Lspon adr cl h$96,000
-15.8%
3,1000.0%0.00%
SNP  CHINA PETROLEUM & CHEMICAL C$51,000
-3.8%
1,0000.0%0.00%
CGA  CHINA GREEN AGRICULTURE INC$1,000630.0%0.00%
CXDC  CHINA XD PLASTICS CO LTD$1,0000.0%1,2520.0%0.00%
 CHINA XD PLASTICS CO LTDcall$22,000
-43.6%
36,8000.0%0.00%
 CINCINNATI FINL CORPcall$58,000
+11.5%
5000.0%0.00%
 CINCINNATI FINL CORPput$12,000
+20.0%
1000.0%0.00%
 COGENT COMMUNICATIONS HLDGScall$69,000
+11.3%
9000.0%0.00%
 COHERUS BIOSCIENCES INCput$47,000
-6.0%
3,4000.0%0.00%
 CONCENTRIX CORPput$16,000
+6.7%
1000.0%0.00%
CFMS  CONFORMIS INC$03350.0%0.00%
CPSS  CONSUMER PORTFOLIO SVCS INC$0110.0%0.00%
 CORENERGY INFRASTRUCTURE TRput$13,0000.0%1,9000.0%0.00%
OFC  CORPORATE OFFICE PPTYS TRsh ben int$224,000
+6.2%
8,0000.0%0.00%
 CRANE COput$28,0000.0%3000.0%0.00%
 CROSSAMERICA PARTNERS LPput$10,000
-89.2%
5000.0%0.00%
CULP  CULP INC$7,000
+16.7%
4000.0%0.00%
CYBE  CYBEROPTICS CORP$86,000
+56.4%
2,1000.0%0.00%
 CYTOMX THERAPEUTICS INCcall$9,000
-18.2%
1,4000.0%0.00%
 DIGIMARC CORP NEWput$37,000
+12.1%
1,1000.0%0.00%
DXYN  DIXIE GROUP INCcl a$01000.0%0.00%
DSS  DOCUMENT SEC SYS INC$040.0%0.00%
 DOLBY LABORATORIES INCput$10,0000.0%1000.0%0.00%
 DONALDSON INCput$64,000
-89.0%
1,0000.0%0.00%
-100.0%
 DUCK CREEK TECHNOLOGIES INCput$35,000
-2.8%
8000.0%0.00%
DZSI  DZS INC$8,000
+33.3%
4000.0%0.00%
ENTA  ENANTA PHARMACEUTICALS INC$060.0%0.00%
ENSG  ENSIGN GROUP INC$9,0000.0%1000.0%0.00%
 EPIZYME INCput$25,000
-3.8%
3,0000.0%0.00%
 EURONET WORLDWIDE INCput$14,000
-89.9%
1000.0%0.00%
SFUN  FANG HLDGS LTDadr new$8,000
-11.1%
6870.0%0.00%
 FIRST FINL BANCORP OHput$5,000
-89.6%
2000.0%0.00%
FOR  FORESTAR GROUP INC$2,0000.0%1000.0%0.00%
FRTA  FORTERRA INC$40,0000.0%1,7040.0%0.00%
 FRANCHISE GROUP INCput$11,0000.0%3000.0%0.00%
 GCP APPLIED TECHNOLOGIES INCcall$35,000
-90.5%
1,5000.0%0.00%
-100.0%
 GP STRATEGIES CORPcall$2,000
-88.2%
1000.0%0.00%
GAU  GALIANO GOLD INC$02410.0%0.00%
 GENESCO INCput$13,000
+30.0%
2000.0%0.00%
 GOLDEN MINERALS COput$1,0000.0%1,0000.0%0.00%
 GRAPHIC PACKAGING HLDG COput$69,0000.0%3,8000.0%0.00%
 GULF RES INC$1,0000.0%1730.0%0.00%
 HANCOCK WHITNEY CORPORATIONput$133,000
-89.4%
3,0000.0%0.00%
-100.0%
HAYN  HAYNES INTERNATIONAL INC$31,000
+19.2%
8680.0%0.00%
HCSG  HEALTHCARE SVCS GROUP INC$45,000
+12.5%
1,4150.0%0.00%
 HEALTHCARE SVCS GROUP INCput$47,000
+11.9%
1,5000.0%0.00%
HRTG  HERITAGE INSURANCE HLDGS INC$21,000
-25.0%
2,5000.0%0.00%
 HILLTOP HOLDINGS INCput$80,000
+6.7%
2,2000.0%0.00%
HZN  HORIZON GLOBAL CORP$2,0000.0%2320.0%0.00%
 INSULET CORPput$55,000
+5.8%
2000.0%0.00%
 INVACARE CORPput$36,0000.0%4,5000.0%0.00%
JILL  J JILL INC$69,000
+102.9%
3,5000.0%0.00%
 JELD-WEN HLDG INCput$74,000
-5.1%
2,8000.0%0.00%
 KARUNA THERAPEUTICS INCcall$11,000
-8.3%
1000.0%0.00%
KW  KENNEDY-WILSON HOLDINGS INC$10,0000.0%5000.0%0.00%
 KITE RLTY GROUP TRcall$15,000
-88.9%
7000.0%0.00%
 KODIAK SCIENCES INCput$19,000
-17.4%
2000.0%0.00%
KURA  KURA ONCOLOGY INC$56,000
-26.3%
2,6760.0%0.00%
 LHC GROUP INCput$20,000
+5.3%
1000.0%0.00%
LPLA  LPL FINL HLDGS INC$1,0000.0%50.0%0.00%
 LANDEC CORPcall$2,000
-90.5%
2000.0%0.00%
LIQT  LIQTECH INTL INC$2,0000.0%3000.0%0.00%
LUMO  LUMOS PHARMA INC$1,000
-50.0%
1500.0%0.00%
 MACROGENICS INCput$196,000
-15.9%
7,3000.0%0.00%
 MADRIGAL PHARMACEUTICALS INCput$10,000
-16.7%
1000.0%0.00%
 MAGELLAN HEALTH INCput$9,000
-90.3%
1000.0%0.00%
DOOR  MASONITE INTL CORP$190,000
-3.1%
1,7000.0%0.00%
 MEDPACE HLDGS INCcall$18,000
+12.5%
1000.0%0.00%
 MERCURY SYS INCcall$7,000
-90.1%
1000.0%0.00%
 MERITAGE HOMES CORPcall$113,000
-89.8%
1,2000.0%0.00%
-100.0%
MTP  MIDATECH PHARMA PLCsponsored ads$0100.0%0.00%
 MODEL N INCcall$171,000
-2.8%
5,0000.0%0.00%
 MOLECULAR TEMPLATES INCcall$6,000
-40.0%
8000.0%0.00%
NVEE  NV5 GLOBAL INC$152,000
-1.9%
1,6080.0%0.00%
 NATURAL RESOURCE PARTNERS Lcall$2,000
-87.5%
1000.0%0.00%
 NETSOL TECHNOLOGIES INCcall$01000.0%0.00%
 NEW MTN FIN CORPput$4,000
-89.2%
3000.0%0.00%
 NEXTCURE INCput$108,000
-20.0%
13,5000.0%0.00%
 NORTHERN TR CORPput$12,000
-88.6%
1000.0%0.00%
 ONE GAS INCput$7,000
-90.9%
1000.0%0.00%
 OPERA LTDput$1,0000.0%1000.0%0.00%
ONVO  ORGANOVO HLDGS INC$1,0000.0%650.0%0.00%
 OVERSEAS SHIPHOLDING GROUP Iput$63,000
+1.6%
30,0000.0%0.00%
 OXFORD INDS INCcall$10,000
-88.5%
1000.0%0.00%
 PNM RES INCcall$205,000
-0.5%
4,2000.0%0.00%
 PNM RES INCput$5,0000.0%1000.0%0.00%
PCRX  PACIRA BIOSCIENCES INC$140,000
-13.6%
2,3150.0%0.00%
 PACIRA BIOSCIENCES INCcall$79,000
-13.2%
1,3000.0%0.00%
 PACTIV EVERGREEN INC$6,0000.0%4000.0%0.00%
 PENNANT GROUP INCput$12,000
-14.3%
3000.0%0.00%
 PINNACLE WEST CAP CORPput$25,000
-89.8%
3000.0%0.00%
PSTV  PLUS THERAPEUTICS INC$0210.0%0.00%
PCOM  POINTS INTL LTD$3,0000.0%1850.0%0.00%
 PRICESMART INCput$82,000
-90.6%
9000.0%0.00%
-100.0%
 PROCURE ETF TRUST IIcall$3,0000.0%1000.0%0.00%
 QUAD / GRAPHICS INCcall$36,000
+16.1%
8,7000.0%0.00%
 QUAKER CHEM CORPcall$24,000
-90.2%
1000.0%0.00%
RMR  RMR GROUP INCcl a$020.0%0.00%
RDVT  RED VIOLET INC$3,0000.0%1450.0%0.00%
 REYNOLDS CONSUMER PRODS INCcall$12,0000.0%4000.0%0.00%
 RITCHIE BROS AUCTIONEERSput$160,000
+1.3%
2,7000.0%0.00%
RBCN  RUBICON TECHNOLOGY INC$010.0%0.00%
 SEACOR MARINE HLDGS INCput$7,000
-12.5%
1,5000.0%0.00%
 SAFEHOLD INCput$8,000
+14.3%
1000.0%0.00%
SANM  SANMINA CORPORATION$12,0000.0%3000.0%0.00%
 SEASPINE HLDGS CORPcall$2,000
-88.2%
1000.0%0.00%
SHYF  SHYFT GROUP INC$31,0000.0%8350.0%0.00%
SRRA  SIERRA ONCOLOGY INC$4,0000.0%2120.0%0.00%
SBOW  SILVERBOW RES INC$5,000
+150.0%
2020.0%0.00%
 SPIRIT RLTY CAP INC NEWput$19,000
+11.8%
4000.0%0.00%
SPOK  SPOK HLDGS INC$14,000
-12.5%
1,5000.0%0.00%
 STEEL CONNECT INCput$5,0000.0%2,5000.0%0.00%
STC  STEWART INFORMATION SVCS COR$6,000
+20.0%
1000.0%0.00%
SSKN  STRATA SKIN SCIENCES INC$010.0%0.00%
 SUTRO BIOPHARMA INCcall$13,000
-18.8%
7000.0%0.00%
 TIMKENSTEEL CORPORATIONput$21,000
+16.7%
1,5000.0%0.00%
 TRADEWEB MKTS INCput$17,000
+13.3%
2000.0%0.00%
 TRANSPORTADORA DE GAS SURcall$0
-100.0%
1000.0%0.00%
 TRIUMPH BANCORP INCcall$223,000
-3.9%
3,0000.0%0.00%
TCX  TUCOWS INC$8,0000.0%1000.0%0.00%
TWCT  TWC TECH HLDGS II CORP$205,000
+1.0%
20,6160.0%0.00%
UMH  UMH PPTYS INC$7,000
+16.7%
3000.0%0.00%
 UBIQUITI INCput$31,000
-89.6%
1000.0%0.00%
 UNITED STATES CELLULAR CORPcall$4,000
-88.9%
1000.0%0.00%
 VALVOLINE INCput$169,000
+24.3%
5,2000.0%0.00%
 VERSO CORPput$177,000
+21.2%
10,0000.0%0.00%
 VICTORY CAP HLDGS INCput$242,000
+26.0%
7,5000.0%0.00%
 VIVEVE MED INC$010.0%0.00%
 VOCERA COMMUNICATIONS INCput$4,0000.0%1000.0%0.00%
VNRX  VOLITIONRX LTD$0
-100.0%
1500.0%0.00%
VJET  VOXELJET AGads$7,000
-22.2%
5810.0%0.00%
WRE  WASHINGTON REAL ESTATE INVTsh ben int$2,0000.0%1000.0%0.00%
 WESTLAKE CHEM PARTNERS LPcall$19,000
-88.7%
7000.0%0.00%
WSR  WHITESTONE REIT$48,000
-14.3%
5,8000.0%0.00%
INT  WORLD FUEL SVCS CORP$6,000
-14.3%
2000.0%0.00%
 XENIA HOTELS & RESORTS INCput$2,0000.0%1000.0%0.00%
XOMA  XOMA CORP DEL$4,000
-20.0%
1160.0%0.00%
 XENON PHARMACEUTICALS INCcall$78,000
+4.0%
4,2000.0%0.00%
G  GENPACT LIMITED$7,0000.0%1590.0%0.00%
 NABORS INDUSTRIES LTDput$183,000
+22.0%
1,6000.0%0.00%
SEED  ORIGIN AGRITECH LIMITED$1,000
-50.0%
1000.0%0.00%
ADCT  ADC THERAPEUTICS SA$5,0000.0%2000.0%0.00%
 GLOBAL BLUE GROUP HOLDING AGput$41,000
-18.0%
4,1000.0%0.00%
 COGNYTE SOFTWARE LTDput$12,000
-14.3%
5000.0%0.00%
SVA  SINOVAC BIOTECH LTD$3,000
-88.9%
4120.0%0.00%
NETI  ENETI INC$256,000
-11.1%
13,7170.0%0.00%
 INTERNATIONAL SEAWAYS INCput$2,0000.0%1000.0%0.00%
Original filings

The following EDGAR filing(s) were analyzed to create this report:

  • View 13F-HR filed 2021-08-10
Signatures

The EDGAR filing(s) were signed by:

Top long-term holdings
NameQuarters ownedLatest quarter ownedMax weighting
ABBVIE INC42Q3 20231.0%
ABBVIE INC42Q3 20230.6%
NXP SEMICONDUCTORS N V42Q3 20232.0%
HERBALIFE NUTRITION LTD42Q3 20230.6%
KINDER MORGAN INC DEL42Q3 20230.9%
SAREPTA THERAPEUTICS INC42Q3 20230.7%
ENERGY TRANSFER LP42Q3 20230.7%
YPF SOCIEDAD ANONIMA42Q3 20230.8%
DEUTSCHE BANK AG42Q3 20230.6%
NXP SEMICONDUCTORS N V42Q3 20230.8%

View GROUP ONE TRADING, L.P.'s complete holdings history.

Latest significant ownerships (13-D/G)
GROUP ONE TRADING, L.P. Q2 2021 significant holdings filed using form 13D/G when ownership exceeds 5% of a company's total stock issue.
FiledShares Percentage
SAFE & GREEN HOLDINGS CORP.May 12, 2023529,9093.7%
Silvergate Capital CorpMarch 06, 2023663,5232.1%
MICROSTRATEGY IncSold outFebruary 10, 202300.0%
MIMEDX GROUP, INC.January 31, 20196,379,1035.7%

View GROUP ONE TRADING, L.P.'s complete significant-ownership history.

Latest filings
TypeFiled
13F-HR2024-05-10
13F-HR2024-02-14
FOCUSN2023-11-27
X-17A-52023-11-27
13F-HR2023-11-09
13F-HR2023-08-09
13F-HR2023-05-12
SC 13G/A2023-05-12
SC 13G/A2023-03-06
SC 13G2023-02-13

View GROUP ONE TRADING, L.P.'s complete filings history.

Compare quarters

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