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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

Holdings in Q2 2021

Holdings as of Jun 30, 2021, filed Aug 12, 2021. Long positions only; changes compare share counts with Q1 2021.

Institution overview
Positions
2,810
+17 vs. Q1 2021
Portfolio value
$2.77B
+$981.8M (+54.9%) vs. Q1 2021
Filed
Aug 12, 2021
SEC
Holdings of Simplex Trading, LLC in Q2 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
Strategy Shares Nasdaq 7HANDL Index ETF86280R506ETF11$00.0%+11New–
State Street Communication Services Select Sector SPDR ETF81369Y852ETF2$00.0%00.0%Unchanged–
WRBBerkley W R CorpCOM5$00.0%−6,687−99.9%ReducedHistory
SXTSensient Technologies CorpCOM10$00.0%+10NewHistory
VanEck ETF Trust92189F411BDC INCOME ETF8$00.0%+8New–
MFGMizuho Financial Group IncSPONSORED ADR210$00.0%−4,778−95.8%ReducedHistory
EYENational Vision Holdings, Inc.COM15$00.0%−19,320−99.9%ReducedHistory
BCSFBain Capital Specialty Finance, Inc.COM STK40$00.0%+40NewHistory
KRGKite Realty Group TrustCOM NEW39$00.0%−821−95.5%ReducedHistory
HWKNHawkins IncCOM30$00.0%−127−80.9%ReducedHistory
SCSCScansource, Inc.COM27$00.0%−583−95.6%ReducedHistory
OBDCBlue Owl Capital CorpCOM64$00.0%+64NewHistory
PUKPrudential PLCADR12$00.0%−85−87.6%ReducedHistory
TRSTrimas CorpCOM NEW31$00.0%−400−92.8%ReducedHistory
BELFBBel Fuse IncCL B3$00.0%−97−97.0%ReducedHistory
NPKINPK International Inc.COM SHS100$00.0%−4,631−97.9%ReducedHistory
ENICEnel Chile S.A.SPONSORED ADR281$00.0%+157+126.6%AddedHistory
KRNYKearny Financial Corp.COM9$00.0%−1,796−99.5%ReducedHistory
BCBPBCB Bancorp IncCOM1$00.0%+1NewHistory
CLBKColumbia Financial, Inc.COM4$00.0%+4NewHistory
CRVSCorvus Pharmaceuticals, Inc.COM199$00.0%−5,687−96.6%ReducedHistory
CVLGCovenant Logistics Group, Inc.CL A1$00.0%−487−99.8%ReducedHistory
ELDNEledon Pharmaceuticals, Inc.COM35$00.0%+35NewHistory
GAIAGaia, IncCL A50$00.0%−3,164−98.4%ReducedHistory
KTCCKey Tronic CorpCOM80$00.0%+80NewHistory
MATWMatthews International CorpCL A15$00.0%−228−93.8%ReducedHistory
AVOMission Produce, Inc.COM5$00.0%+5NewHistory
NEXANexa Resources S.A.COM100$00.0%+100NewHistory
NFBKNorthfield Bancorp, Inc.COM36$00.0%+36NewHistory
OMEXOdyssey Marine Exploration IncCOM NEW153$00.0%−416−73.1%ReducedHistory
QUADQuad/Graphics, Inc.COM CL A201$00.0%+1+0.5%AddedHistory
RFILR F Industries LtdCOM PAR $0.0191$00.0%−3,300−97.3%ReducedHistory
URGNUroGen Pharma Ltd.COM9$00.0%−352−97.5%ReducedHistory
WRLDWorld Acceptance CorpCOM6$00.0%+6NewHistory
AXDXAccelerate Diagnostics, IncCOM47$00.0%−15,623−99.7%ReducedHistory
Aethlon Med Inc00808Y307COM146$00.0%+146New–
AGFSAgroFresh Solutions, Inc.COM368$00.0%+368NewHistory
AAUAFAlmaden Minerals LtdCOM CL B1,700$00.0%+1,600+1,600.0%AddedHistory
BXRXBaudax Bio, Inc.COM100$00.0%+100NewHistory
BCLIBrainstorm Cell Therapeutics Inc.COM NEW200$00.0%00.0%UnchangedHistory
SVVCFirsthand Technology Value Fund, Inc.COM103$00.0%−4,215−97.6%ReducedHistory
HONEHarborOne Bancorp, Inc.COM NEW11$00.0%+11NewHistory
Hexo Corp428304307COM NEW65$00.0%−23,270−99.7%Reduced–
Liquid Media Group Ltd New53634Q204COM NEW548$00.0%+548New–
Listed FD Tr53656F458ROUNDHILL MVP14$00.0%+14New–
LHDXLucira Health, Inc.COM43$00.0%+43NewHistory
MFAMfa Financial, Inc.COM50$00.0%00.0%UnchangedHistory
MRCCMonroe Capital CorpCOM26$00.0%−100−79.4%ReducedHistory
NGMNGM Biopharmaceuticals IncCOM4$00.0%−8,370−100.0%ReducedHistory
NMTR9 Meters Biopharma, Inc.COM400$00.0%+400NewHistory
IMDXInsight Molecular Diagnostics Inc.COM97$00.0%−410−80.9%ReducedHistory
PSTXPoseida Therapeutics, Inc.COM81$00.0%+81NewHistory
PZNPzena Investment Management, Inc.CLASS A87$00.0%00.0%UnchangedHistory
Sandbridge Acquisition Corp799793104COM CL A100$00.0%+100New–
SGLYSingularity Future Technology Ltd.COM NEW307$00.0%+307NewHistory
STROSutro Biopharma, Inc.COM21$00.0%−7,106−99.7%ReducedHistory
TLSATiziana Life Sciences LtdSPONSORED ADS363$00.0%−8,101−95.7%ReducedHistory
TRVNTrevena IncCOM100$00.0%−100−50.0%ReducedHistory
VOLTVolt Information Sciences, Inc.COM85$00.0%+85NewHistory
WNS Hldgs Ltd92932M101SPON ADR6$00.0%−1,051−99.4%Reduced–
XFORX4 Pharmaceuticals, IncCOM53$00.0%+53NewHistory
Magal Security Sys LtdM6786D104ORD3$00.0%+3New–
ProShares Tr74347G556ULTSHT REAL EST29$00.0%+29New–
Pacer US Cash Cows 100 ETF69374H881ETF27$1.00K<0.1%−386−93.5%Reduced–
State Street SPDR Portfolio Long Term Corporate Bond ETF78464A367ETF40$1.00K<0.1%+40New–
EPACEnerpac Tool Group CorpCL A COM48$1.00K<0.1%00.0%UnchangedHistory
IBCPIndependent Bank CorpCOM NEW73$1.00K<0.1%+73NewHistory
Global X FDS37954Y806ALTERNATIVE INCM100$1.00K<0.1%+100New–
Flexshares Tr33939L837INTL QLTDV IDX63$1.00K<0.1%00.0%Unchanged–
THTarget Hospitality Corp.COM426$1.00K<0.1%+426NewHistory
CVSACovista Inc.COM52$1.00K<0.1%+52NewHistory
ADCAgree Realty CorpCOM16$1.00K<0.1%+16NewHistory
TBBKBancorp, Inc.COM85$1.00K<0.1%−3,046−97.3%ReducedHistory
UBSIUnited Bankshares IncCOM48$1.00K<0.1%+48NewHistory
iShares Tr464287150CORE S&P TTL STK20$1.00K<0.1%+20New–
TTEKTetra Tech IncCOM13$1.00K<0.1%−7−35.0%ReducedHistory
MBWMMercantile Bank CorpCOM60$1.00K<0.1%00.0%UnchangedHistory
LEALear CorpCOM NEW8$1.00K<0.1%−6,522−99.9%ReducedHistory
ITTItt Inc.COM19$1.00K<0.1%+19NewHistory
CRWSCrown Crafts IncCOM135$1.00K<0.1%+135NewHistory
DLHCDLH Holdings Corp.COM106$1.00K<0.1%+106NewHistory
FENCFennec Pharmaceuticals Inc.COM241$1.00K<0.1%−845−77.8%ReducedHistory
FSPFranklin Street Properties CorpCOM361$1.00K<0.1%+361NewHistory
IMNMImmunome Inc.COM100$1.00K<0.1%+100NewHistory
LRMRLarimar Therapeutics, Inc.COM157$1.00K<0.1%+157NewHistory
LCUTLifetime Brands, IncCOM85$1.00K<0.1%+85NewHistory
NLNli Holdings, Inc.COM NEW226$1.00K<0.1%+226NewHistory
KLRSKalaris Therapeutics, Inc.COM100$1.00K<0.1%−444−81.6%ReducedHistory
AIRCApartment Income REIT Corp.COM25$1.00K<0.1%−572−95.8%ReducedHistory
BMAMacro Bank Inc.SPON ADR B100$1.00K<0.1%−18,616−99.5%ReducedHistory
Banco Santander Mexico SA05969B103SPONSORED ADS B310$1.00K<0.1%+310New–
BOCHBank of Commerce HoldingsCOM85$1.00K<0.1%+85NewHistory
Catabasis Pharmaceuticals IN14875P206COM NEW474$1.00K<0.1%−5,511−92.1%Reduced–
Chiasma, Inc16706W102COM262$1.00K<0.1%−997−79.2%Reduced–
China XD Plastics Co Ltd16948F107COM1,700$1.00K<0.1%+1,700New–
DSPGDSP Group IncCOM100$1.00K<0.1%+100NewHistory
ENGEnglobal CorpCOM426$1.00K<0.1%−35,751−98.8%ReducedHistory
EVLOEvelo Biosciences, Inc.COM84$1.00K<0.1%−131−60.9%ReducedHistory
FFICFlushing Financial CorpCOM60$1.00K<0.1%00.0%UnchangedHistory
GPXGP Strategies CorpCOM111$1.00K<0.1%−89−44.5%ReducedHistory

Options (7,168)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

The largest 100 of 7,168 by value.

Option positions of Simplex Trading, LLC in Q2 2021
SecurityClassPutsCalls
SPDR S&P 500 ETF Tr78462F953PUT$12.1B–
SPDR S&P 500 ETF Tr78462F903CALL–$5.41B
Tesla Inc88160R951PUT$5.09B–
Invesco QQQ Tr46090E953PUT$3.56B–
iShares Tr464287957PUT$3.47B–
Tesla Inc88160R901CALL–$3.19B
Amazon Com Inc023135956PUT$2.40B–
Invesco QQQ Tr46090E903UNIT SER 1–$2.17B
Amazon Com Inc023135906CALL–$1.98B
Apple Inc037833900CALL–$1.89B
Apple Inc037833950PUT$1.72B–
iShares Tr464287907CALL–$1.62B
Select Sector SPDR Tr81369Y956PUT$991.1M–
NVIDIA Corporation67066G954PUT$923.4M–
Select Sector SPDR Tr81369Y906CALL–$902.2M
GameStop Corp New36467W959PUT$899.0M–
Alibaba Group Hldg Ltd01609W902CALL–$818.2M
Facebook Inc30303M952PUT$817.5M–
Facebook Inc30303M902CALL–$813.6M
AMC Entmt Hldgs Inc00165C954PUT$805.9M–
NVIDIA Corporation67066G904CALL–$799.2M
Alphabet Inc02079K955PUT$755.2M–
SPDR Gold Tr78463V957GOLD SHS$691.5M–
Microsoft Corp594918954PUT$684.5M–
Alibaba Group Hldg Ltd01609W952PUT$651.9M–
SPDR Gold Tr78463V907CALL–$616.1M
Alphabet Inc02079K905CALL–$573.5M
Microsoft Corp594918904CALL–$570.3M
Netflix Inc64110L956PUT$502.2M–
Netflix Inc64110L906CALL–$443.6M
Boeing Co097023905COM–$420.2M
Advanced Micro Devices Inc007903907CALL–$403.7M
Advanced Micro Devices Inc007903957PUT$383.9M–
Salesforce Com Inc79466L902CALL–$324.8M
iShares Silver Tr46428Q909CALL–$317.8M
SPDR Dow Jones Indl Average78467X909CALL–$317.7M
Square Inc852234953PUT$304.5M–
Boeing Co097023955PUT$288.3M–
Salesforce Com Inc79466L952PUT$271.3M–
VanEck Vectors ETF Tr92189F952PUT$259.3M–
Baidu Inc056752908CALL–$259.0M
VanEck Vectors ETF Tr92189F902CALL–$254.1M
Disney Walt Co254687956PUT$252.7M–
SPDR Dow Jones Indl Average78467X959PUT$252.3M–
AMC Entmt Hldgs Inc00165C904CALL–$249.6M
Baidu Inc056752958PUT$243.6M–
NIO Inc62914V956PUT$242.2M–
Micron Technology Inc595112903CALL–$240.0M
Square Inc852234903CALL–$238.9M
Disney Walt Co254687906CALL–$237.3M
JPMorgan Chase & Co46625H905CALL–$223.1M
ARK ETF Tr00214Q957PUT$218.8M–
Snap Inc83304A956PUT$217.2M–
Micron Technology Inc595112953PUT$215.4M–
Citigroup Inc172967954PUT$206.2M–
PayPal Hldgs Inc70450Y953PUT$205.6M–
Visa Inc92826C909CALL–$204.6M
Roku Inc77543R952PUT$204.5M–
Intel Corp458140900CALL–$204.1M
Shopify Inc82509L957PUT$201.3M–
JPMorgan Chase & Co46625H955PUT$200.7M–
Qualcomm Inc747525953PUT$191.6M–
PayPal Hldgs Inc70450Y903CALL–$190.0M
Roku Inc77543R902CALL–$187.0M
GameStop Corp New36467W909CALL–$185.0M
Zoom Video Communications IN98980L951PUT$180.5M–
NIO Inc62914V906CALL–$178.0M
Adobe Systems Incorporated00724F951PUT$177.6M–
Visa Inc92826C959PUT$176.6M–
Shopify Inc82509L907CALL–$176.2M
Mastercard Incorporated57636Q904CALL–$175.1M
FedEx Corp31428X906CALL–$174.7M
ProShares Tr74347X900CALL–$173.3M
Airbnb Inc009066901CALL–$171.5M
Walmart Inc931142903CALL–$169.2M
Citigroup Inc172967904CALL–$169.1M
Jd.com Inc47215P906CALL–$164.5M
Goldman Sachs Group Inc38141G954PUT$162.4M–
Mastercard Incorporated57636Q954PUT$162.2M–
SPDR Ser Tr78464A958PUT$162.0M–
FedEx Corp31428X956PUT$161.1M–
Nike Inc654106903CALL–$157.9M
Viacomcbs Inc92556H906CALL–$155.4M
Walmart Inc931142953PUT$153.8M–
BK of America Corp060505954PUT$153.4M–
Chipotle Mexican Grill Inc169656955PUT$151.0M–
Qualcomm Inc747525903CALL–$150.4M
Intel Corp458140950PUT$149.7M–
iShares Tr464288955PUT$149.3M–
iShares Inc464286951PUT$146.8M–
Coinbase Global Inc19260Q957PUT$142.6M–
Broadcom Inc11135F951PUT$139.3M–
Adobe Systems Incorporated00724F901CALL–$139.0M
ProShares Tr74347X950PUT$138.6M–
Zoom Video Communications IN98980L901CALL–$137.9M
Moderna Inc60770K957PUT$133.4M–
Costco WHSL Corp New22160K905CALL–$132.4M
Twitter Inc90184L902CALL–$127.8M
Taiwan Semiconductor Mfg Ltd874039950PUT$127.8M–
Uber Technologies Inc90353T950PUT$127.0M–

Sold out since Q1 2021 (828)

Positions held at the end of Q1 2021 that are gone from this filing.

The largest 100 of 828 by value last quarter.

Positions of Simplex Trading, LLC sold out since Q1 2021
SecurityClassShares in Q1 2021Value in Q1 2021% of portfolio in Q1 2021History
TDOCTeladoc Health, Inc.COM78,708$14.3M0.8%History
DOCUDocuSign, Inc.Stock60,689$12.3M0.7%History
BILIBilibili Inc.SPONS ADS REP Z96,362$10.3M0.6%History
PINSPinterest, Inc.CL A119,718$8.86M0.5%History
MSFTMicrosoft CorpStock34,341$8.10M0.5%History
LILi Auto Inc.SPONSORED ADS265,627$6.64M0.4%History
PYPLPayPal Holdings, Inc.Stock23,052$5.60M0.3%History
PTONPeloton Interactive, Inc.CL A COM47,982$5.39M0.3%History
iShares Inc464286103MSCI AUST ETF200,510$4.97M0.3%–
MGMMGM Resorts InternationalStock130,813$4.97M0.3%History
NKENIKE, Inc.Stock32,782$4.36M0.2%History
UUnity Software Inc.COM42,854$4.30M0.2%History
iShares Russell 1000 Value ETF464287598ETF27,792$4.21M0.2%–
SNPSSynopsys IncCOM15,435$3.82M0.2%History
DLTRDollar Tree, Inc.COM32,290$3.69M0.2%History
MDTMedtronic plcStock30,086$3.55M0.2%History
KRAKraton CorpCOM81,937$3.00M0.2%History
State Street Materials Select Sector SPDR ETF81369Y100ETF37,463$2.95M0.2%–
DDDuPont de Nemours, Inc.COM37,815$2.92M0.2%History
ARK ETF Tr00214Q302GENOMIC REV ETF27,828$2.47M0.1%–
JCIJohnson Controls International plcStock41,228$2.46M0.1%History
CFCF Industries Holdings, Inc.COM51,724$2.35M0.1%History
WOLFWolfspeed, Inc.COM21,103$2.28M0.1%History
Artius Acquisition Inc04316G105COM CL A223,503$2.26M0.1%–
DISHDISH Network CORPCL A62,179$2.25M0.1%History
State Street SPDR S&P Homebuilders ETF78464A888ETF31,599$2.22M0.1%–
ALBAlbemarle CorpStock14,872$2.17M0.1%History
CELHCelsius Holdings, Inc.COM NEW43,853$2.11M0.1%History
NUANNuance Communications, Inc.COM47,417$2.07M0.1%History
ORCLOracle CorpStock29,411$2.06M0.1%History
MGNIMagnite, Inc.COM49,469$2.06M0.1%History
PLDPrologis, Inc.REIT19,107$2.02M0.1%History
GMSGMS Inc.COM47,289$1.97M0.1%History
GHGuardant Health, Inc.COM12,601$1.92M0.1%History
Forum Merger III Corp349885103COM CL A192,189$1.92M0.1%–
AXPAmerican Express CoStock13,454$1.90M0.1%History
HUNHuntsman CORPCOM65,857$1.90M0.1%History
WHRWhirlpool CorpStock8,559$1.89M0.1%History
TRIPTripAdvisor, Inc.COM34,646$1.86M0.1%History
iShares Inc46434G772MSCI TAIWAN ETF30,636$1.84M0.1%–
FSLRFirst Solar, Inc.Stock20,622$1.80M0.1%History
PCGPG&E CorpStock153,458$1.80M0.1%History
FIRYFiry Inc.COM93,368$1.78M0.1%History
STLDSteel Dynamics IncCOM34,965$1.77M0.1%History
GDDYGoDaddy Inc.CL A22,639$1.76M0.1%History
MLMMartin Marietta Materials IncCOM5,206$1.75M0.1%History
Forest Road Acquisition Corp34619R102COM170,241$1.72M0.1%–
HSYHershey CoCOM10,711$1.69M0.1%History
AYXAlteryx, Inc.COM CL A20,401$1.69M0.1%History
MMacy's, Inc.COM96,790$1.57M0.1%History
DRIDarden Restaurants IncCOM11,021$1.56M0.1%History
MPMP Materials Corp.COM CL A43,038$1.55M0.1%History
RTXRTX CorpStock19,597$1.51M0.1%History
CTLTCatalent, Inc.COM13,753$1.45M0.1%History
ProShares Tr74347X799ULTR RUSSL200013,390$1.43M0.1%–
iShares MSCI India ETF46429B598ETF33,777$1.42M0.1%–
TRVTravelers Companies, Inc.Stock9,343$1.41M0.1%History
BTIBritish American Tobacco p.l.c.SPONSORED ADR35,296$1.37M0.1%History
SAPSAP SEADR11,084$1.36M0.1%History
VRSNVerisign IncCOM6,718$1.33M0.1%History
ProShares Tr74347X831ULTRAPRO QQQ14,350$1.31M0.1%–
FTVFortive CorpStock17,936$1.27M0.1%History
Tuscan Hldgs Corp II90070A103COM124,808$1.26M0.1%–
ENTGEntegris IncCOM11,105$1.24M0.1%History
RYNRayonier IncCOM37,433$1.21M0.1%History
NGGNational Grid PLCSPONSORED ADR NE20,239$1.20M0.1%History
China Life Ins Co Ltd16939P106SPON ADR REP H114,935$1.20M0.1%–
MTSIMACOM Technology Solutions Holdings, Inc.COM20,297$1.18M0.1%History
Vanguard S&P 500 Growth ETF921932505ETF4,968$1.17M0.1%–
SPDR Series Trust78464A805ST STR PR SP150023,663$1.16M0.1%–
AMRCAmeresco, Inc.CL A23,800$1.16M0.1%History
Flir Sys Inc302445101COM20,189$1.14M0.1%–
Sustainable Opportnts Acq CoG8598Y109ORD SHS A113,702$1.13M0.1%–
GGBGerdau S.A.SPON ADR REP PFD210,591$1.12M0.1%History
GOOGLAlphabet Inc.Stock540$1.11M0.1%History
UPWKUpwork, IncCOM24,362$1.09M0.1%History
ProShares Tr74347X849SHRT 20+YR TRE60,151$1.09M0.1%–
HUMHumana IncStock2,590$1.08M0.1%History
Thunder BRDG Acquistion II LG8857S116CL A SHS103,391$1.08M0.1%–
Victory Portfolios II92647N766VCSHS US 500 VOL15,803$1.06M0.1%–
HRTXHeron Therapeutics, Inc.COM64,103$1.04M0.1%History
WIMIWiMi Hologram Cloud Inc.SPON ADS CL B152,047$1.00M0.1%History
MXMagnachip Semiconductor CorpCOM39,983$995.0K0.1%History
Aphria Inc03765K104COM54,005$992.0K0.1%–
CDWCDW CorpCOM5,939$984.0K0.1%History
AMXAmerica Movil SAB de CVSPON ADR L SHS71,816$975.0K0.1%History
ITUBItau Unibanco Holding S.A.SPON ADR REP PFD196,086$972.0K0.1%History
FirstMark Horizon Acquisition Corp.33765Y101CL A COM96,595$965.0K0.1%–
UVXYProShares Trust IIULTRA VIX SHORT169,530$957.0K0.1%History
VOYAVoya Financial, Inc.COM14,767$939.0K0.1%History
YUMYum Brands IncStock8,563$926.0K0.1%History
Nextgen Acquisition CorpG65305107CL A92,739$919.0K0.1%–
WYWeyerhaeuser CoCOM NEW25,683$914.0K0.1%History
Social Capital Hedosopha HLDG82514103SHS CL A83,309$913.0K0.1%–
ECEcopetrol S.A.SPONSORED ADS71,208$912.0K0.1%History
SWAVShockwave Medical, Inc.COM6,963$907.0K0.1%History
DOCHealthpeak Properties, Inc.COM28,575$906.0K0.1%History
First Trust Nasdaq Clean Edge Green Energy Index Fund33733E500ETF13,168$903.0K0.1%–
AAMIAcadian Asset Management Inc.COM43,488$886.0K<0.1%History
INMDInMode Ltd.SHS12,156$879.0K<0.1%History