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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
GTBPGT Biopharma, Inc.COM NEW67$1.00K<0.1%+67NewHistory
AUMNGolden Minerals CoCOM2,100$1.00K<0.1%−7,491−78.1%ReducedHistory
HMTVHemisphere Media Group, Inc.CL A100$1.00K<0.1%+100NewHistory
HTBKHeritage Commerce CorpCOM107$1.00K<0.1%+107NewHistory
Maverix Metals Inc57776F405COM NEW279$1.00K<0.1%+279New–
PHASPhaseBio Pharmaceuticals IncCOM517$1.00K<0.1%+517NewHistory
ProShares Tr74347G739ULTSHRT QQQ68$1.00K<0.1%−21,068−99.7%Reduced–
Rise Ed Cayman Ltd76761L102SPONSORED ADR684$1.00K<0.1%+684New–
FLOWSPX FLOW, Inc.COM25$1.00K<0.1%+25NewHistory
Secoo Hldg Ltd81367P101ADR442$1.00K<0.1%−14,740−97.1%Reduced–
TPTXTurning Point Therapeutics, Inc.COM16$1.00K<0.1%+16NewHistory
DSEYDiversey Holdings, Ltd.ORD SHS64$1.00K<0.1%+64NewHistory
ASAASA Gold & Precious Metals LtdSHS54$1.00K<0.1%−463−89.6%ReducedHistory
JRVRJames River Group Holdings, Inc.COM45$1.00K<0.1%+45NewHistory
Triterras IncG9103H102SHS CL A228$1.00K<0.1%−20,097−98.9%Reduced–
UTSIUtstarcom Holdings Corp.SHS NEW740$1.00K<0.1%+740NewHistory
ProShares Tr74347G655ULT MSCIBZL CAPP128$1.00K<0.1%+128New–
Schwab US Tips ETF808524870ETF46$2.00K<0.1%−1,300−96.6%Reduced–
HTOH2O AmericaCOM45$2.00K<0.1%+45NewHistory
VanEck ETF Trust92189H300JP MRGAN EM LOC69$2.00K<0.1%−1,100−94.1%Reduced–
CAAPCorporacion America Airports S.A.COM352$2.00K<0.1%−401−53.3%ReducedHistory
TBLATaboola.com Ltd.ORD SHS200$2.00K<0.1%+200NewHistory
TFINTriumph Financial, Inc.COM28$2.00K<0.1%+28NewHistory
CUBICustomers Bancorp, Inc.COM52$2.00K<0.1%−292−84.9%ReducedHistory
SPDR Series Trust78464A771ST STR SP CAPMKT29$2.00K<0.1%+29New–
ASURAsure Software IncCOM331$2.00K<0.1%+55+19.9%AddedHistory
CIACitizens, Inc.CL A384$2.00K<0.1%+134+53.6%AddedHistory
GTIMGood Times Restaurants Inc.COM NEW665$2.00K<0.1%−455−40.6%ReducedHistory
LFTLument Finance Trust, Inc.COM560$2.00K<0.1%+560NewHistory
ORICOric Pharmaceuticals, Inc.COM116$2.00K<0.1%+116NewHistory
CBBCincinnati Bell IncCOM NEW172$2.00K<0.1%−551−76.2%ReducedHistory
Copel-ADR20441B605ADR387$2.00K<0.1%+387New–
Global X FDS37954Y228CLEANTECH ETF100$2.00K<0.1%+100New–
Great Panther MNG Ltd39115V101COM3,700$2.00K<0.1%−36,378−90.8%Reduced–
HNGRHanger, Inc.COM NEW100$2.00K<0.1%+100NewHistory
IECIec Electronics CorpCOM229$2.00K<0.1%−171−42.8%ReducedHistory
IBIOiBio, Inc.COM NEW1,502$2.00K<0.1%−45,864−96.8%ReducedHistory
Invesco Exch Traded FD Tr II46138E164S&P SMLCP ENGY272$2.00K<0.1%+272New–
KPTIKaryopharm Therapeutics Inc.COM284$2.00K<0.1%−2,826−90.9%ReducedHistory
KRONKronos Bio, Inc.COM98$2.00K<0.1%+98NewHistory
LJPCLa Jolla Pharmaceutical CoCOM PAR $.0001 2518$2.00K<0.1%−15,330−96.7%ReducedHistory
New Sr Invt Group Inc648691103COM334$2.00K<0.1%+334New–
Oneconnect Finl Technology C68248T105SPONSORED ADS217$2.00K<0.1%+217New–
MTBLYMoatable, Inc.SPONSORED ADS234$2.00K<0.1%−3,853−94.3%ReducedHistory
STONStonemor Inc.COM1,135$2.00K<0.1%+1,135NewHistory
TRXTRX GOLD CorpCOM4,900$2.00K<0.1%−42,668−89.7%ReducedHistory
TBNKTerritorial Bancorp Inc.COM100$2.00K<0.1%+100NewHistory
VSTMVerastem, Inc.COM730$2.00K<0.1%+730NewHistory
VNRXVolitionrx LtdCOM802$2.00K<0.1%+802NewHistory
State Street SPDR S&P 400 Mid Cap Value ETF78464A839ETF50$3.00K<0.1%+50New–
State Street SPDR Portfolio S&P 600 Small Cap ETF78468R853ETF70$3.00K<0.1%+14+25.0%Added–
ACAArcosa, Inc.COM57$3.00K<0.1%−75−56.8%ReducedHistory
SPDR Index Shs FDS78463X871ST INTL CAP ETF100$3.00K<0.1%+100New–
HSTMHealthstream IncCOM138$3.00K<0.1%+100+263.2%AddedHistory
CUZCousins Properties IncCOM NEW99$3.00K<0.1%−113−53.3%ReducedHistory
GSMFerroglobe PLCSHS520$3.00K<0.1%+520NewHistory
TSQTownsquare Media, Inc.CL A295$3.00K<0.1%−8,612−96.7%ReducedHistory
CWCOConsolidated Water Co. Ltd.ORD281$3.00K<0.1%+281NewHistory
REXRRexford Industrial Realty, Inc.COM53$3.00K<0.1%+53NewHistory
iShares Tr46435U853BROAD USD HIGH90$3.00K<0.1%+90New–
TRNOTerreno Realty CorpCOM47$3.00K<0.1%+47NewHistory
RCELAVITA Medical, Inc.COM164$3.00K<0.1%−1,336−89.1%ReducedHistory
GSITGsi Technology IncCOM579$3.00K<0.1%+52+9.9%AddedHistory
KVHIKVH Industries IncCOM285$3.00K<0.1%−339−54.3%ReducedHistory
NESRNational Energy Services Reunited Corp.SHS252$3.00K<0.1%+252NewHistory
CNXNPC Connection IncCOM79$3.00K<0.1%+79NewHistory
PLSEPulse Biosciences, Inc.COM212$3.00K<0.1%−4,796−95.8%ReducedHistory
PCYOPure Cycle CorpCOM NEW241$3.00K<0.1%+79+48.8%AddedHistory
SPOKSpok Holdings, IncCOM401$3.00K<0.1%+401NewHistory
AGENAgenus IncCOM NEW600$3.00K<0.1%−62,249−99.0%ReducedHistory
Amplify ETF Tr032108854SEYMOUR CANNBS150$3.00K<0.1%+150New–
APREAprea Therapeutics, Inc.COM707$3.00K<0.1%−2,514−78.1%ReducedHistory
ATNXAthenex, Inc.COM695$3.00K<0.1%−60,538−98.9%ReducedHistory
AYTUAytu Biopharma, IncCOM NEW723$3.00K<0.1%−534−42.5%ReducedHistory
BKCCBlackRock Capital Investment CorpCOM887$3.00K<0.1%−12,394−93.3%ReducedHistory
KDNYChinook Therapeutics, Inc.COM260$3.00K<0.1%+260NewHistory
Clearway Energy, Inc.18539C105CL A140$3.00K<0.1%−600−81.1%Reduced–
CHADDeFi Development Corp.CSI300 CHINA1X207$3.00K<0.1%−100−32.6%ReducedHistory
Emx Rty Corp26873J107COM1,218$3.00K<0.1%+1,218New–
HRHealthcare Realty Trust IncCOM113$3.00K<0.1%+113NewHistory
LogicBio Therapeutics, Inc.54142F102COM821$3.00K<0.1%+821New–
MRSNMersana Therapeutics, Inc.COM273$3.00K<0.1%−755−73.4%ReducedHistory
PCSBPCSB Financial CorpCOM211$3.00K<0.1%+211NewHistory
PROFProfound Medical Corp.COM NEW217$3.00K<0.1%+174+404.7%AddedHistory
TTOOT2 Biosystems, Inc.COM2,806$3.00K<0.1%−1,794−39.0%ReducedHistory
AVNSAvanos Medical, Inc.Stock110$4.00K<0.1%−537−83.0%ReducedHistory
KEKimball Electronics, Inc.Stock189$4.00K<0.1%−164−46.5%ReducedHistory
TCPCBlackRock TCP Capital Corp.COM350$4.00K<0.1%−2,794−88.9%ReducedHistory
CERTCertara, Inc.COM176$4.00K<0.1%−1,539−89.7%ReducedHistory
WHDCactus, Inc.CL A113$4.00K<0.1%+113NewHistory
MCFTMasterCraft Boat Holdings, Inc.COM167$4.00K<0.1%−1,431−89.5%ReducedHistory
MTHMeritage Homes CORPCOM53$4.00K<0.1%+53NewHistory
EVTCEVERTEC, Inc.COM98$4.00K<0.1%+98NewHistory
BWENBroadwind, Inc.COM NEW1,088$4.00K<0.1%+708+186.3%AddedHistory
GROYGold Royalty Corp.COMMON SHARES934$4.00K<0.1%+934NewHistory
PHATPhathom Pharmaceuticals, Inc.COM132$4.00K<0.1%−100−43.1%ReducedHistory
TALKTalkspace, Inc.COM500$4.00K<0.1%+500NewHistory
TGTredegar CorpCOM362$4.00K<0.1%−3,622−90.9%ReducedHistory
ULBIUltralife CorpCOM569$4.00K<0.1%+331+139.1%AddedHistory
Direxion Shs ETF Tr25459W5657 10YR TRES BULL78$4.00K<0.1%+31+66.0%Added–

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