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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

Holdings in Q1 2026

Holdings as of Mar 31, 2026, filed May 14, 2026. Long positions only; changes compare share counts with Q4 2025.

Institution overview
Positions
2,613
+164 vs. Q4 2025
Portfolio value
$3.23B
−$324.6M (−9.1%) vs. Q4 2025
Filed
May 14, 2026
SEC
Holdings of Simplex Trading, LLC in Q1 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
Graniteshares ETF Tr38747R280YIELDBOOST MSTR2$9<0.1%+2New–
Canary Litecoin Etf137221107COM1$13<0.1%−251−99.6%Reduced–
RCELAVITA Medical, Inc.COM4$14<0.1%+4NewHistory
Invesco Exchange Traded FD T46137V563HIG YLD EQ DIV1$21<0.1%+1New–
Global X FDS37954Y137HEALTHTECH ETF1$23<0.1%+1New–
CASIFCASI Pharmaceuticals, Inc.ORD SHS228$25<0.1%+95+71.4%AddedHistory
NREFNexPoint Real Estate Finance, Inc.COM2$26<0.1%+2NewHistory
UEICUniversal Electronics IncCOM7$28<0.1%+7NewHistory
Bitwise Funds Trust091748301ETHEREUM STRTGY1$34<0.1%+1New–
Dimensional ETF Trust25434V799INTL CORE EQUITY1$35<0.1%+1New–
CENNCenntro Inc.COM333$39<0.1%−831−71.4%ReducedHistory
ADNTAdient plcStock2$40<0.1%−24,868−100.0%ReducedHistory
UHTUniversal Health Realty Income TrustSH BEN INT1$40<0.1%+1NewHistory
VIRCVirco Mfg CorporationCOM7$42<0.1%+7NewHistory
SIEBSiebert Financial CorpCOM25$48<0.1%−10−28.6%ReducedHistory
WisdomTree Tr97717Y659CYBERSECURITY FD2$49<0.1%+2New–
BTLNBrightline Interactive, Inc.COM100$51<0.1%−11,857−99.2%ReducedHistory
ETF Opportunities Trust26923W348T-REX 2X LONG EO60$55<0.1%+60New–
DHDefinitive Healthcare Corp.CLASS A COM46$56<0.1%−1,250−96.5%ReducedHistory
EVCMEverCommerce Inc.COM5$57<0.1%+5NewHistory
Roundhill ETF Trust77926X759GOOGL WEEKLYPAY1$57<0.1%−24−96.0%Reduced–
Global X FDS37950E408MSCI CHINA CNSMR3$59<0.1%−129−97.7%Reduced–
BCSFBain Capital Specialty Finance, Inc.COM STK5$62<0.1%+5NewHistory
GTIMGood Times Restaurants Inc.COM NEW53$62<0.1%+53NewHistory
CLGNCollPlant Biotechnologies LtdSHS NEW118$63<0.1%+118NewHistory
Ssga Active ETF Tr78467V103ST STR REAL ETF2$72<0.1%+2New–
CELUCelularity IncCL A NEW55$73<0.1%−4,548−98.8%ReducedHistory
HGVHilton Grand Vacations Inc.COM2$78<0.1%+2NewHistory
SURGSurgePays, Inc.COM NEW109$81<0.1%−703−86.6%ReducedHistory
FBPFirst BancorpCOM NEW4$85<0.1%+4NewHistory
TELATELA Bio, Inc.COM143$88<0.1%+140+4,666.7%AddedHistory
Franklin Templeton ETF Tr35473P785FTSE GERMANY3$93<0.1%+3New–
Tidal Tr II88636R750YIELDMAX TRGT122$97<0.1%+2New–
ONLOrion Properties Inc.REIT47$101<0.1%−190−80.2%ReducedHistory
NGENNervgen Pharma Corp.COM27$101<0.1%+27NewHistory
VTEXVtexSHS CL A29$116<0.1%+29NewHistory
Graniteshares ETF Tr38747R7771.75X LONG TSLA6$124<0.1%−27,746−100.0%Reduced–
Themes ETF Tr88340C867LEVERAGE SHS 2X121$125<0.1%+121New–
Themes ETF Tr88340F738LEVERAGE SHS 2X42$133<0.1%+42New–
ProShares Tr74349Y530ULTRASHORT CONSU8$136<0.1%+8New–
LTRNLantern Pharma Inc.COM107$146<0.1%−2,150−95.3%ReducedHistory
TMQTrilogy Metals Inc.COM42$150<0.1%+42NewHistory
NABLN-able, Inc.COMMON STOCK34$158<0.1%−159−82.4%ReducedHistory
IRIXIridex CorpCOM160$161<0.1%−420−72.4%ReducedHistory
PDSBPDS Biotechnology CorpCOM271$163<0.1%−18,835−98.6%ReducedHistory
RFLRafael Holdings, Inc.COM CL B137$171<0.1%+137NewHistory
Tidal Trust II88636W247DEFIANCE DAILY T7$174<0.1%−193−96.5%Reduced–
CPSSConsumer Portfolio Services, Inc.COM24$185<0.1%+24NewHistory
CXAICXApp Inc.COM CL A1,099$198<0.1%+132+13.7%AddedHistory
CUECue Biopharma, Inc.COM875$201<0.1%−1,682−65.8%ReducedHistory
SPOKSpok Holdings, IncCOM19$207<0.1%−51−72.9%ReducedHistory
RPAYRepay Holdings CorpCOM CL A80$208<0.1%−28,294−99.7%ReducedHistory
CONConcentra Group Holdings Parent, Inc.COMMON STOCK10$214<0.1%+10NewHistory
CDChaince Digital Holdings Inc.ORDINARY SHARES54$214<0.1%+54NewHistory
FSSFederal Signal CorpCOM2$216<0.1%−12−85.7%ReducedHistory
FCFranklin Covey CoCOM14$221<0.1%−41−74.5%ReducedHistory
HFFGHF Foods Group Inc.COM120$222<0.1%+120NewHistory
LNTHLantheus Holdings, Inc.Stock3$227<0.1%−365−99.2%ReducedHistory
ProShares Tr74349Y548ULTPRO SHT21$238<0.1%+21New–
GROVGrove Collaborative Holdings, Inc.COM CL A191$244<0.1%+191NewHistory
GNLXGENELUX CorpCOM106$256<0.1%−908−89.5%ReducedHistory
MANHManhattan Associates IncStock2$266<0.1%−29−93.5%ReducedHistory
IBOCInternational Bancshares CorpCOM4$269<0.1%+4NewHistory
PIMCO ETF Tr72201R2051-5 US TIP IDX5$270<0.1%+5New–
ProShares Tr74347B581SP500 EX ENRGY4$277<0.1%+4New–
Bit Mining Limited055474209SPON ADR355$279<0.1%−477−57.3%Reduced–
CXTCrane NXT, Co.COM7$284<0.1%+7NewHistory
OXSQOxford Square Capital Corp.COM165$292<0.1%−667−80.2%ReducedHistory
Invesco Exchange Traded FD T46137Y500ZACKS MULT AST11$297<0.1%+11New–
TRIBTrinity Biotech PLCSPONS ADR NEW555$300<0.1%+555NewHistory
AROWArrow Financial CorpCOM9$302<0.1%+9NewHistory
REFRResearch Frontiers IncCOM332$305<0.1%+332NewHistory
ETF Opportunities Trust26923N314T REX 2X LONG DJ191$311<0.1%−473−71.2%Reduced–
FHTXFoghorn Therapeutics Inc.COM66$315<0.1%+66NewHistory
INSEInspired Entertainment, Inc.COM45$320<0.1%+45NewHistory
DTCXDatacentrex, Inc.COM153$328<0.1%−1,089−87.7%ReducedHistory
GNSSGenasys Inc.COM190$345<0.1%+190NewHistory
RAVERave Restaurant Group, Inc.COM135$357<0.1%+135NewHistory
Global X FDS37960A727BLOCKCHAIN & BIT7$360<0.1%−2,129−99.7%Reduced–
PYXSPyxis Oncology, Inc.COMMON STOCK253$369<0.1%−9,537−97.4%ReducedHistory
TCBKTrico BancsharesCOM8$380<0.1%−39−83.0%ReducedHistory
Global X FDS37960A222CLEANTECH ETF NW7$408<0.1%+7New–
MXMagnachip Semiconductor CorpCOM147$411<0.1%+147NewHistory
ADSEAds-Tec Energy Public Ltd CoSHS36$414<0.1%+36NewHistory
AVNTAvient CorpCOM12$435<0.1%+12NewHistory
SLFSun Life Financial IncCOM7$437<0.1%−2−22.2%ReducedHistory
OABIOmniAb, Inc.COM283$444<0.1%−147−34.2%ReducedHistory
Themes ETF Tr88340C685LEVERAGE SHS 2X370$447<0.1%+370New–
LNAILunai Bioworks Inc.COM SHS1,107$451<0.1%−9,810−89.9%ReducedHistory
Themes ETF Tr88340F712LEVERAGE SHS 2X10$461<0.1%+10New–
Kraneshares Tr500767736QUADRTC INT RT26$486<0.1%−10,261−99.7%Reduced–
DSLDoubleLine Income Solutions FundCOM46$498<0.1%−3,075−98.5%ReducedHistory
Fidelity Comwlth Tr315912808NASDAQ COMPSIT6$509<0.1%+6New–
IIIInformation Services Group Inc.COM133$510<0.1%−4,212−96.9%ReducedHistory
LKFNLakeland Financial CorpCOM9$516<0.1%+9NewHistory
GROWU S Global Investors IncCL A213$528<0.1%+213NewHistory
Themes ETF Tr882927387LEVERAGE SHS 2X118$541<0.1%−4,677−97.5%Reduced–
STKESOL Strategies Inc.COM552$543<0.1%−3,372−85.9%ReducedHistory
Tidal Trust III45259A845VIST ARTI IN ETF13$544<0.1%−158−92.4%Reduced–
LSAKLesaka Technologies IncCOM NEW108$549<0.1%+108NewHistory

Options (6,312)

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 6,312 by value.

Option positions of Simplex Trading, LLC in Q1 2026
SecurityClassPutsCalls
SPDR S&P 500 ETF Tr78462F953PUT$27.4B–
SPDR S&P 500 ETF Tr78462F903CALL–$14.1B
Invesco QQQ Tr46090E953PUT$6.49B–
Invesco QQQ Tr46090E903UNIT SER 1–$5.99B
iShares Tr464287957PUT$5.11B–
iShares Tr464287907CALL–$3.87B
Tesla Inc88160R901CALL–$3.42B
NVIDIA Corporation67066G954PUT$3.35B–
NVIDIA Corporation67066G904CALL–$3.33B
Tesla Inc88160R951PUT$3.09B–
SPDR Gold Tr78463V907CALL–$2.36B
Facebook Inc30303M902CALL–$2.35B
Apple Inc037833900CALL–$2.22B
Alphabet Inc02079K905CALL–$2.07B
SPDR Gold Tr78463V957GOLD SHS$1.65B–
Microsoft Corp594918904CALL–$1.55B
Apple Inc037833950PUT$1.53B–
Amazon Com Inc023135906CALL–$1.46B
Alphabet Inc02079K955PUT$1.45B–
Facebook Inc30303M952PUT$1.43B–
iShares Silver Tr46428Q909CALL–$1.36B
Select Sector SPDR Tr81369Y956PUT$1.02B–
Amazon Com Inc023135956PUT$914.0M–
Microsoft Corp594918954PUT$875.9M–
VanEck Vectors ETF Tr92189F952PUT$820.0M–
Select Sector SPDR Tr81369Y906CALL–$773.4M
Netflix Inc64110L956PUT$727.7M–
iShares Silver Tr46428Q959ISHARES$717.9M–
Micron Technology Inc595112953PUT$715.2M–
Netflix Inc64110L906CALL–$712.8M
Palantir Technologies Inc69608A958PUT$709.6M–
Advanced Micro Devices Inc007903957PUT$708.1M–
Micron Technology Inc595112903CALL–$685.1M
SPDR Dow Jones Indl Average78467X909CALL–$680.0M
Broadcom Inc11135F951PUT$649.1M–
Advanced Micro Devices Inc007903907CALL–$599.6M
Palantir Technologies Inc69608A908CALL–$583.0M
Broadcom Inc11135F901CALL–$519.8M
UnitedHealth Group Inc91324P902COM–$519.3M
MicroStrategy Inc594972958PUT$517.5M–
iShares Tr464288955PUT$509.2M–
iShares Bitcoin Trust ETF46438F901CALL–$505.6M
Taiwan Semiconductor Mfg Ltd874039950PUT$498.5M–
United STS Oil FD LP91232N957PUT$417.3M–
VanEck Vectors ETF Tr92189F902CALL–$401.3M
Oracle Corp68389X955PUT$383.2M–
iShares Bitcoin Trust ETF46438F951PUT$381.5M–
Oracle Corp68389X905CALL–$352.0M
iShares Inc464286901CALL–$340.8M
Alibaba Group Hldg Ltd01609W952PUT$333.4M–
UnitedHealth Group Inc91324P952PUT$314.0M–
Intel Corp458140900CALL–$304.4M
Alibaba Group Hldg Ltd01609W902CALL–$303.5M
Kraneshares Tr500767906CALL–$275.8M
Exxon Mobil Corp30231G902CALL–$269.3M
iShares Inc464286951PUT$266.5M–
SPDR Ser Tr78464A958PUT$265.4M–
United STS Oil FD LP91232N907CALL–$257.2M
Taiwan Semiconductor Mfg Ltd874039900CALL–$255.2M
ASML Holding N VN07059950PUT$238.0M–
Goldman Sachs Group Inc38141G904CALL–$229.3M
Exxon Mobil Corp30231G952PUT$221.5M–
JPMorgan Chase & Co46625H950PUT$221.3M–
Goldman Sachs Group Inc38141G954PUT$201.0M–
Coreweave Inc21873S908CALL–$196.4M
Citigroup Inc172967954PUT$193.0M–
SPDR Ser Tr78464A908CALL–$183.3M
Intel Corp458140950PUT$182.4M–
Sandisk Corp80004C950PUT$181.8M–
Citigroup Inc172967904CALL–$181.4M
Berkshire Hathaway Inc Del084670902CALL–$180.7M
MicroStrategy Inc594972908CALL–$176.4M
Coreweave Inc21873S958PUT$175.2M–
Coinbase Global Inc19260Q957PUT$174.0M–
Sandisk Corp80004C900CALL–$166.8M
Walmart Inc931142903CALL–$164.7M
Carvana Co146869902CALL–$161.0M
SPDR Dow Jones Indl Average78467X959PUT$157.3M–
Chevron Corp New166764900CALL–$154.3M
CrowdStrike Hldgs Inc22788C905CALL–$153.3M
ASML Holding N VN07059900CALL–$146.9M
Costco WHSL Corp New22160K905CALL–$140.3M
BK of America Corp060505904CALL–$136.6M
Boeing Co097023905COM–$136.6M
Boeing Co097023955PUT$136.5M–
Salesforce Com Inc79466L902CALL–$126.8M
SoFi Technologies Inc83406F902CALL–$126.6M
Carvana Co146869952PUT$126.4M–
Direxion Shs ETF Tr25459W952PUT$125.7M–
PayPal Hldgs Inc70450Y903CALL–$123.7M
Walmart Inc931142953PUT$123.6M–
Applovin Corp03831W958PUT$122.5M–
Arm Holdings PLC042068955PUT$117.9M–
Robinhood MKTS Inc770700902CALL–$114.7M
ProShares Tr74347X900CALL–$113.3M
BK of America Corp060505954PUT$112.6M–
Pinduoduo Inc722304902CALL–$112.5M
Cisco Sys Inc17275R902CALL–$112.1M
Coinbase Global Inc19260Q907CALL–$111.9M
Berkshire Hathaway Inc Del084670952PUT$111.8M–

Sold out since Q4 2025 (959)

Positions held at the end of Q4 2025 that are gone from this filing.

The largest 100 of 959 by value last quarter.

Positions of Simplex Trading, LLC sold out since Q4 2025
SecurityClassShares in Q4 2025Value in Q4 2025% of portfolio in Q4 2025History
Direxion Shs ETF Tr25459W458DLY SCOND 3XBU1,236,517$52.0M1.5%–
BEBloom Energy CorpCOM CL A301,347$26.2M0.7%History
VRTVertiv Holdings CoCOM CL A151,799$24.6M0.7%History
NEENextera Energy IncStock293,398$23.6M0.7%History
WBDWarner Bros. Discovery, Inc.Stock707,385$20.4M0.6%History
COINCoinbase Global, Inc.COM CL A89,109$20.2M0.6%History
NEMNEWMONT CorpStock197,022$19.7M0.6%History
BABoeing CoStock87,723$19.0M0.5%History
AZOAutoZone IncCOM5,092$17.3M0.5%History
CRMSalesforce, Inc.Stock62,567$16.6M0.5%History
ECHOEchoStar CORPCL A144,099$15.7M0.4%History
BSXBoston Scientific CorpStock141,877$13.5M0.4%History
MUMicron Technology IncStock46,589$13.3M0.4%History
GSGoldman Sachs Group IncStock15,075$13.3M0.4%History
AGQProShares Trust IIULTRA SILVER NEW81,434$12.6M0.4%History
CARAvis Budget Group, Inc.COM93,201$12.0M0.3%History
LUVSouthwest Airlines CoCOM268,783$11.1M0.3%History
CFLTConfluent, Inc.CLASS A COM358,415$10.8M0.3%History
LYFTLyft, Inc.CL A COM543,126$10.5M0.3%History
UALUnited Airlines Holdings, Inc.COM85,296$9.54M0.3%History
BJBJ's Wholesale Club Holdings, Inc.COM96,184$8.66M0.2%History
FUTUFutu Holdings LtdSPON ADS CL A52,535$8.63M0.2%History
WWayfair Inc.CL A81,918$8.23M0.2%History
IONSIonis Pharmaceuticals IncCOM96,647$7.65M0.2%History
NETCloudflare, Inc.CL A COM37,976$7.49M0.2%History
DBX ETF Tr233051879XTRACK HRVST CSI220,929$7.26M0.2%–
FISVFiserv IncStock107,216$7.20M0.2%History
Graniteshares ETF Tr38747R751GRANITE 2X LONG459,058$7.14M0.2%–
GMGeneral Motors CoCOM83,865$6.82M0.2%History
ROSTRoss Stores, Inc.COM37,382$6.73M0.2%History
REGNRegeneron Pharmaceuticals, Inc.COM8,559$6.61M0.2%History
NVSNovartis AGADR46,821$6.46M0.2%History
GPCRStructure Therapeutics Inc.SPONSORED ADS92,668$6.45M0.2%History
APHAmphenol CorpCL A45,822$6.19M0.2%History
HUTHut 8 Corp.COM128,859$5.92M0.2%History
iShares Tr464287234MSCI EMG MKT ETF107,806$5.90M0.2%–
iShares Tr464287556ISHARES BIOTECH33,879$5.72M0.2%–
CLSCelestica IncStock19,342$5.72M0.2%History
FFord Motor CoStock427,201$5.60M0.2%History
EQTEQT CorpStock103,612$5.55M0.2%History
TEAMAtlassian CorpCL A34,148$5.54M0.2%History
TXNTexas Instruments IncStock30,972$5.37M0.2%History
OKLOOklo Inc.COM CL A74,304$5.33M0.1%History
FXEInvesco CurrencyShares Euro TrustEURO SHS46,247$5.02M0.1%History
GPGIGPGI, Inc.COM CL A259,688$5.01M0.1%History
iShares Inc464286400MSCI BRAZIL ETF154,529$4.91M0.1%–
EAElectronic Arts Inc.COM23,397$4.78M0.1%History
MNSTMonster Beverage CorpCOM61,508$4.72M0.1%History
EGOEldorado Gold CorpCOM128,456$4.61M0.1%History
VanEck ETF Trust92189F791JUNIOR GOLD MINE40,492$4.61M0.1%–
AXSMAxsome Therapeutics, Inc.COM25,222$4.61M0.1%History
VZVerizon Communications IncStock112,170$4.57M0.1%History
SPDR Series Trust78464A755ST STR SP METAL43,012$4.46M0.1%–
State Street Health Care Select Sector SPDR ETF81369Y209ETF28,657$4.44M0.1%–
LEUCentrus Energy CorpStock17,758$4.31M0.1%History
RIVNRivian Automotive, Inc.Stock215,942$4.26M0.1%History
TGTTarget CorpStock40,901$4.00M0.1%History
CAGConagra Brands Inc.Stock214,911$3.72M0.1%History
OXYOccidental Petroleum CorpStock87,446$3.60M0.1%History
ISRGIntuitive Surgical IncCOM NEW6,141$3.48M0.1%History
Vanguard Morningstar Total Stock Market ETF922908769ETF10,361$3.47M0.1%–
COSTCostco Wholesale CorpStock3,949$3.41M0.1%History
NIONIO Inc.ADR659,692$3.36M0.1%History
CFGCitizens Financial Group IncCOM57,493$3.36M0.1%History
Kraneshares Trust500767306CSI CHI INTERNET95,566$3.25M0.1%–
TIGRUP Fintech Holding LtdSPONSORED ADS330,741$3.16M0.1%History
DHRDanaher CorpStock13,157$3.01M0.1%History
CPRTCopart IncCOM76,034$2.98M0.1%History
DISWalt Disney CoStock25,931$2.95M0.1%History
XOMExxonMobil Holdings CorpCOM24,131$2.90M0.1%History
FIVEFive Below, IncCOM15,289$2.88M0.1%History
NRGNRG Energy, Inc.Stock17,567$2.80M0.1%History
Avidity Biosciences, Inc.05370A108COM38,607$2.78M0.1%–
PWRQuanta Services, Inc.COM6,534$2.76M0.1%History
WRBYWarby Parker Inc.CL A COM126,190$2.75M0.1%History
WMWaste Management IncStock12,363$2.72M0.1%History
LUMNLumen Technologies, Inc.Stock338,757$2.63M0.1%History
Vanguard High Dividend Yield Index ETF921946406ETF18,061$2.59M0.1%–
BKHBlack Hills CorpCOM37,089$2.57M0.1%History
PPLTabrdn Platinum ETF TrustPHYSCL PLATM SHS13,755$2.56M0.1%History
GENIGenius Sports LtdSHARES CL A230,543$2.54M0.1%History
Direxion Shs ETF Tr25460G187DAILY CSI 2X SH63,335$2.54M0.1%–
ULUnilever PLCSPON ADR NEW37,532$2.45M0.1%History
HOODRobinhood Markets, Inc.Stock21,529$2.43M0.1%History
FFIVF5, Inc.Stock9,503$2.43M0.1%History
BPBP PLCADR69,469$2.41M0.1%History
TIGOMillicom International Cellular SACOM STK42,040$2.33M0.1%History
GISGeneral Mills IncStock49,795$2.32M0.1%History
EXASExact Sciences CorpCOM22,521$2.29M0.1%History
UBERUber Technologies, IncStock27,250$2.23M0.1%History
BWXTBWX Technologies, Inc.COM12,710$2.20M0.1%History
BBYBest Buy Co IncStock32,273$2.16M0.1%History
SHOPShopify Inc.Stock13,407$2.16M0.1%History
VSATViasat IncCOM62,568$2.16M0.1%History
iShares Russell 1000 Growth ETF464287614ETF4,553$2.15M0.1%–
SUSuncor Energy IncStock48,290$2.14M0.1%History
UPSTUpstart Holdings, Inc.COM48,172$2.11M0.1%History
CIENCiena CorpCOM NEW8,836$2.07M0.1%History
WALWestern Alliance BancorporationCOM24,365$2.05M0.1%History
COFCapital One Financial CorpStock8,445$2.05M0.1%History