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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

Holdings in Q4 2023

Holdings as of Dec 31, 2023, filed Feb 2, 2024. Long positions only; changes compare share counts with Q3 2023.

Institution overview
Positions
2,432
+122 vs. Q3 2023
Portfolio value
$3.21B
+$485.3M (+17.8%) vs. Q3 2023
Filed
Feb 2, 2024
SEC
Holdings of Simplex Trading, LLC in Q4 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
VREVeris Residential, Inc.COM18$00.0%−12,084−99.9%ReducedHistory
STKHSteakholder Foods Ltd.SPONSORED ADS730$00.0%−376−34.0%ReducedHistory
MSBMesabi TrustCTF BEN INT6$00.0%−77−92.8%ReducedHistory
NGMNGM Biopharmaceuticals IncCOM147$00.0%−208−58.6%ReducedHistory
NSTBNorthern Star Investment Corp. IICOM CLASS A1$00.0%00.0%UnchangedHistory
PLGPlatinum Group Metals LtdCOM502$00.0%−12,187−96.0%ReducedHistory
DTILPrecision Biosciences IncCOM100$00.0%+4+4.2%AddedHistory
SQFTPresidio Property Trust, Inc.COM CL A100$00.0%+100NewHistory
Qiwi PLC74735M108SPON ADR REP B3,247$00.0%00.0%Unchanged–
QMCOQuantum CorpCOM NEW133$00.0%+133NewHistory
RNLXYRenalytix plcADS22$00.0%+22NewHistory
OLOXOlenox Industries Inc.COM NEW1,786$00.0%+875+96.0%AddedHistory
SANWS&W Seed CoCOM191$00.0%+51+36.4%AddedHistory
SIFYSify Technologies LtdSPONSORED ADS222$00.0%+222NewHistory
SDCSmileDirectClub, Inc.CL A COM1,900$00.0%+1,900NewHistory
STROSutro Biopharma, Inc.COM187$00.0%+187NewHistory
TRIBTrinity Biotech PLCSPON ADR NEW488$00.0%+488NewHistory
FLZHFlash Sports & Media Holdings, Inc.COM NEW413$00.0%−875−67.9%ReducedHistory
VBTXVeritex Holdings, Inc.COM39$00.0%+39NewHistory
XFORX4 Pharmaceuticals, IncCOM962$00.0%−12,318−92.8%ReducedHistory
YRDYiren Digital Ltd.SPONSORED ADS51$00.0%+39+325.0%AddedHistory
ASAASA Gold & Precious Metals LtdSHS3$00.0%+3NewHistory
RVLPRVL Pharmaceuticals plcSHS6,900$00.0%+5,278+325.4%AddedHistory
Portage Biotech IncG7185A128COM350$00.0%+350New–
ZKINZK International Group Co., Ltd.SHS101$00.0%+101NewHistory
EVGNEvogene Ltd.SHS23$00.0%−380−94.3%ReducedHistory
LFWDLifeward Ltd.SHS57$00.0%−100−63.7%ReducedHistory
Affimed N VN01045108COM900$00.0%−276−23.5%Reduced–
LVTXLAVA Therapeutics NVSHS440$00.0%−234−34.7%ReducedHistory
CRGECharge Enterprises, Inc.COM640$00.0%+73+12.9%AddedHistory
CVIIChurchill Capital Corp VIICOM CL A1$00.0%−1,000−99.9%ReducedHistory
LENZLENZ Therapeutics, Inc.COM68$00.0%−118−63.4%ReducedHistory
PWCMPowercompute, Inc.COM832$00.0%+832NewHistory
MKFGMarkforged Holding CorpCOM900$00.0%−5,652−86.3%ReducedHistory
TRAWTraws Pharma, Inc.COM NEW107$00.0%00.0%UnchangedHistory
ProShares Tr74347G614BASIC MAT NEW1$00.0%+1New–
OMICSingular Genomics Systems, Inc.COM522$00.0%+330+171.9%AddedHistory
Social Leverage Acquisn Corp83363K102COM CL A1$00.0%00.0%Unchanged–
MAPSWM Technology, Inc.COM215$00.0%−7,223−97.1%ReducedHistory
INCRIntercure Ltd.Common Stock418$00.0%−566−57.5%ReducedHistory
HLTHCue Health Inc.COM5,141$00.0%−18,642−78.4%ReducedHistory
EFTReFFECTOR Therapeutics, Inc.COM1,735$00.0%+1,735NewHistory
VATEINNOVATE Corp.COM538$00.0%+538NewHistory
JSPRJasper Therapeutics, Inc.COM26$00.0%+26NewHistory
RBOTVicarious Surgical Inc.COM CL A400$00.0%−519−56.5%ReducedHistory
Vicinity Motor Corp925654105COM345$00.0%+345New–
WBXWallbox N.V.SHS16$00.0%+16NewHistory
CYNCyngn Inc.COM200$00.0%+200NewHistory
PRSOPeraso Inc.COM700$00.0%+700NewHistory
Snow Lake Res Ltd83336J208COM162$00.0%−61−27.4%Reduced–
NVXNOVONIX LtdSPONSORED ADS215$00.0%−45−17.3%ReducedHistory
AZIOAzio AI Holdings, Inc.COM43$00.0%+43NewHistory
FENGPhoenix New Media LtdSPONSORED ADS290$00.0%+290NewHistory
GGRGogoro Inc.ORDINARY SHARES193$00.0%+193NewHistory
AKLIAkili, Inc.COMMON STOCK1$00.0%00.0%UnchangedHistory
Graniteshares ETF Tr38747R7021.25X LNG TESLA15$00.0%−2,120−99.3%Reduced–
Graniteshares ETF Tr38747R8841.75X LG AAPL DL7$00.0%+7New–
TMPOTempo Automation Holdings, Inc.COM1$00.0%00.0%UnchangedHistory
Aslan Pharmaceuticals Ltd04522R200SPON ADS NEW1,157$00.0%+154+15.4%Added–
CASIFCASI Pharmaceuticals, Inc.ORD SHS53$00.0%+53NewHistory
Best Inc08653C601SPONSORED ADS108$00.0%+108New–
FRSXForesight Autonomous Holdings Ltd.SPONSORED ADR200$00.0%+116+138.1%AddedHistory
UCARU Power LtdSHS2,121$00.0%+2,121NewHistory
ALURAllurion Technologies, Inc.COM SHS41$00.0%+41NewHistory
BTCYBiotricity Inc.COM NEW52$00.0%−1,228−95.9%ReducedHistory
Bio Green Med Solution, Inc.23254L801COM NEW1$00.0%+1New–
Genetic Technologies Ltd37185R406SPONSORED ADS18$00.0%+18New–
BINIBollinger Innovations, Inc.COM NEW59$00.0%+59NewHistory
YQ17 Education & Technology Group Inc.SPONSORED ADR268$00.0%+228+570.0%AddedConverted for a 1-for-5 splitHistory
TFFPTFF Pharmaceuticals, Inc.COM NEW48$00.0%+48NewHistory
CENNCenntro Inc.SHS NEW75$00.0%+20+36.9%AddedConverted for a 1-for-10 splitHistory
iShares Trust iShares 0-1 Year Treasury Bond ETF464288679ETF18$1.00K<0.1%−600−97.1%Reduced–
SWXSouthwest Gas Holdings, Inc.COM17$1.00K<0.1%−789−97.9%ReducedHistory
TIMBTim S.A.SPONSORED ADR100$1.00K<0.1%+100NewHistory
Agf Invts Tr00110G408US MARKET NETRL78$1.00K<0.1%+78New–
iShares Inc464286327MSCI GLB SLV&MTL170$1.00K<0.1%−244−58.9%Reduced–
iShares Inc464286707MSCI FRANCE ETF34$1.00K<0.1%−1,818−98.2%Reduced–
WGSGeneDx Holdings Corp.COM CL A484$1.00K<0.1%+484NewHistory
RNSTRenasant CorpCOM36$1.00K<0.1%+36NewHistory
First Tr Exchange-Traded FD33733B100WTR ETF12$1.00K<0.1%+12New–
CNOBConnectOne Bancorp, Inc.COM82$1.00K<0.1%+82NewHistory
IRMDIradimed CorpCOM37$1.00K<0.1%−257−87.4%ReducedHistory
TBITrueBlue, Inc.COM122$1.00K<0.1%+32+35.6%AddedHistory
Global X FDS37954Y269NASDQ 100 CVRDGW52$1.00K<0.1%−24−31.6%Reduced–
Invesco Exchange Traded FD T46137V811DORSEY WRGT TECH23$1.00K<0.1%+23New–
ADCTADC Therapeutics SASHS1,179$1.00K<0.1%−53−4.3%ReducedHistory
ANIXAnixa Biosciences IncCOM293$1.00K<0.1%−721−71.1%ReducedHistory
ARQArq, Inc.COM510$1.00K<0.1%+510NewHistory
AWREAware IncCOM1,168$1.00K<0.1%+228+24.3%AddedHistory
BWMXBetterware de Mexico, S.A.P.I. de C.VSHS84$1.00K<0.1%+84NewHistory
CWTCalifornia Water Service GroupCOM21$1.00K<0.1%+21NewHistory
CNTYCentury Casinos IncCOM407$1.00K<0.1%+407NewHistory
CHMICherry Hill Mortgage Investment CorpCOM405$1.00K<0.1%−2,884−87.7%ReducedHistory
CBANColony Bankcorp IncCOM99$1.00K<0.1%+99NewHistory
SCORComscore, Inc.COM NEW81$1.00K<0.1%−295−78.5%ReducedConverted for a 1-for-20 splitHistory
CTSOCytosorbents CorpCOM NEW1,459$1.00K<0.1%+291+24.9%AddedHistory
DMACDiaMedica Therapeutics Inc.COM NEW481$1.00K<0.1%−539−52.8%ReducedHistory
GBTGGlobal Business Travel Group, Inc.COM CL A167$1.00K<0.1%−1,312−88.7%ReducedHistory
GDRXGoodRx Holdings, Inc.COM CL A266$1.00K<0.1%−20,148−98.7%ReducedHistory
HGTYHagerty, Inc.CL A COM216$1.00K<0.1%+112+107.7%AddedHistory

Options (6,384)

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 6,384 by value.

Option positions of Simplex Trading, LLC in Q4 2023
SecurityClassPutsCalls
SPDR S&P 500 ETF Tr78462F953PUT$23.9B–
SPDR S&P 500 ETF Tr78462F903CALL–$8.39B
Invesco QQQ Tr46090E953PUT$6.65B–
iShares Tr464287957PUT$6.56B–
iShares Tr464287907CALL–$4.98B
NVIDIA Corporation67066G904CALL–$3.63B
Invesco QQQ Tr46090E903UNIT SER 1–$3.47B
Tesla Inc88160R951PUT$3.28B–
Tesla Inc88160R901CALL–$2.80B
Apple Inc037833900CALL–$2.45B
NVIDIA Corporation67066G954PUT$2.37B–
Amazon Com Inc023135906CALL–$1.82B
Apple Inc037833950PUT$1.82B–
SPDR Gold Tr78463V907CALL–$1.67B
Facebook Inc30303M902CALL–$1.64B
Select Sector SPDR Tr81369Y956PUT$1.64B–
Microsoft Corp594918954PUT$1.54B–
Microsoft Corp594918904CALL–$1.47B
Alphabet Inc02079K905CALL–$1.41B
Amazon Com Inc023135956PUT$1.24B–
Booking Holdings Inc09857L958PUT$1.07B–
Select Sector SPDR Tr81369Y906CALL–$975.4M
Facebook Inc30303M952PUT$943.3M–
Alphabet Inc02079K955PUT$904.8M–
SPDR Gold Tr78463V957GOLD SHS$802.4M–
Broadcom Inc11135F951PUT$767.4M–
SPDR Ser Tr78464A958PUT$757.9M–
Netflix Inc64110L956PUT$708.4M–
Alibaba Group Hldg Ltd01609W902CALL–$681.5M
Netflix Inc64110L906CALL–$660.5M
SPDR Ser Tr78464A908CALL–$649.9M
Advanced Micro Devices Inc007903957PUT$612.3M–
Advanced Micro Devices Inc007903907CALL–$592.7M
SPDR Dow Jones Indl Average78467X959PUT$554.8M–
Coinbase Global Inc19260Q957PUT$454.8M–
iShares Tr464288955PUT$450.8M–
Costco WHSL Corp New22160K955PUT$439.0M–
Boeing Co097023905COM–$437.6M
Broadcom Inc11135F901CALL–$431.3M
VanEck Vectors ETF Tr92189F902CALL–$392.8M
PayPal Hldgs Inc70450Y903CALL–$386.9M
Citigroup Inc172967904CALL–$359.9M
Coinbase Global Inc19260Q907CALL–$356.0M
Adobe Systems Incorporated00724F951PUT$347.5M–
Boeing Co097023955PUT$324.3M–
JPMorgan Chase & Co46625H905CALL–$323.2M
SPDR Dow Jones Indl Average78467X909CALL–$322.2M
Adobe Systems Incorporated00724F901CALL–$317.9M
Costco WHSL Corp New22160K905CALL–$309.9M
VanEck Vectors ETF Tr92189F952PUT$309.8M–
Salesforce Com Inc79466L952PUT$291.1M–
Exxon Mobil Corp30231G902CALL–$286.7M
Micron Technology Inc595112953PUT$276.9M–
JPMorgan Chase & Co46625H955PUT$275.0M–
Exxon Mobil Corp30231G952PUT$272.7M–
Alibaba Group Hldg Ltd01609W952PUT$271.1M–
Lilly Eli & Co532457908CALL–$268.3M
Disney Walt Co254687906CALL–$266.1M
Pinduoduo Inc722304902CALL–$264.1M
Intel Corp458140950PUT$259.0M–
Taiwan Semiconductor Mfg Ltd874039900CALL–$256.7M
Chevron Corp New166764950PUT$255.9M–
Taiwan Semiconductor Mfg Ltd874039950PUT$252.3M–
Intel Corp458140900CALL–$235.5M
Citigroup Inc172967954PUT$232.6M–
Palo Alto Networks Inc697435955PUT$232.1M–
Goldman Sachs Group Inc38141G904CALL–$228.5M
Goldman Sachs Group Inc38141G954PUT$227.6M–
iShares Silver Tr46428Q909CALL–$219.0M
PayPal Hldgs Inc70450Y953PUT$217.9M–
BK of America Corp060505954PUT$217.9M–
Lululemon Athletica Inc550021959PUT$216.8M–
iShares Tr464288905CALL–$211.5M
ARK ETF Tr00214Q957PUT$210.8M–
Salesforce Com Inc79466L902CALL–$207.9M
MicroStrategy Inc594972958PUT$201.9M–
Shopify Inc82509L907CALL–$201.7M
UnitedHealth Group Inc91324P952PUT$198.6M–
Disney Walt Co254687956PUT$190.8M–
Lilly Eli & Co532457958PUT$188.6M–
Snowflake Inc833445909CALL–$184.3M
ProShares Tr74347X900CALL–$183.3M
BK of America Corp060505904CALL–$183.1M
Micron Technology Inc595112903CALL–$182.3M
Square Inc852234903CALL–$180.0M
Pinduoduo Inc722304952PUT$178.1M–
Direxion Shs ETF Tr25460G900CALL–$176.8M
Palo Alto Networks Inc697435905CALL–$174.7M
AbbVie Inc00287Y909CALL–$174.1M
Nike Inc654106953PUT$173.1M–
Uber Technologies Inc90353T900CALL–$170.5M
Uber Technologies Inc90353T950PUT$170.0M–
Direxion Shs ETF Tr25459W902CALL–$168.5M
Airbnb Inc009066951PUT$167.0M–
Qualcomm Inc747525903CALL–$162.7M
First Solar Inc336433957PUT$162.2M–
Home Depot Inc437076902CALL–$161.4M
ARK ETF Tr00214Q907CALL–$159.3M
Occidental Pete Corp674599955PUT$159.0M–
Chevron Corp New166764900CALL–$158.5M

Sold out since Q3 2023 (864)

Positions held at the end of Q3 2023 that are gone from this filing.

The largest 100 of 864 by value last quarter.

Positions of Simplex Trading, LLC sold out since Q3 2023
SecurityClassShares in Q3 2023Value in Q3 2023% of portfolio in Q3 2023History
AMZNAmazon Com IncStock841,102$106.9M3.9%History
MSFTMicrosoft CorpStock147,215$46.5M1.7%History
DIASPDR Dow Jones Industrial Average ETF TrustUT SER 1130,631$43.8M1.6%History
GOOGAlphabet Inc.Stock212,363$28.0M1.0%History
ATVIActivision Blizzard, Inc.COM251,735$23.6M0.9%History
BABoeing CoStock100,961$19.4M0.7%History
RIVNRivian Automotive, Inc.Stock719,240$17.5M0.6%History
INTCIntel CorpStock440,991$15.7M0.6%History
HDHome Depot, Inc.Stock50,242$15.2M0.6%History
RBLXRoblox CorpStock488,918$14.2M0.5%History
State Street Consumer Discretionary Select Sector SPDR ETF81369Y407ETF86,130$13.9M0.5%–
VMWVmware LLCCL A COM80,244$13.4M0.5%History
MRNAModerna, Inc.Stock120,949$12.5M0.5%History
NOCNorthrop Grumman CorpStock24,516$10.8M0.4%History
BMYBristol Myers Squibb CoStock182,593$10.6M0.4%History
TGTTarget CorpStock93,774$10.4M0.4%History
FANGDiamondback Energy, Inc.Stock62,249$9.64M0.4%History
GSGoldman Sachs Group IncStock27,371$8.86M0.3%History
DOCUDocuSign, Inc.Stock205,682$8.64M0.3%History
iShares Inc464286400MSCI BRAZIL ETF261,049$8.01M0.3%–
SLBSLB LimitedStock128,342$7.48M0.3%History
AMDAdvanced Micro Devices IncStock71,430$7.34M0.3%History
SPDR Series Trust78464A714ST STR SP RETAIL114,839$6.99M0.3%–
BNTXBioNTech SESPONSORED ADS63,193$6.87M0.3%History
FTNTFortinet, Inc.Stock108,344$6.36M0.2%History
iShares Iboxx $ Investment Grade Corporate Bond ETF464287242ETF61,474$6.27M0.2%–
HZNPHorizon Therapeutics Public Ltd CoSHS53,301$6.17M0.2%History
ProShares Tr74347X831ULTRAPRO QQQ166,652$5.94M0.2%–
GILDGilead Sciences, Inc.Stock78,758$5.90M0.2%History
NCLHNorwegian Cruise Line Holdings Ltd.SHS355,768$5.86M0.2%History
CCJCameco CorpStock138,214$5.48M0.2%History
SLViShares Silver TrustETF256,610$5.22M0.2%History
Direxion Shs ETF Tr25459W458DLY SCOND 3XBU268,477$5.07M0.2%–
BUDAnheuser-Busch InBev SA/NVADR90,306$4.99M0.2%History
DELLDell Technologies Inc.Stock64,522$4.45M0.2%History
MDLZMondelez International, Inc.Stock55,114$3.82M0.1%History
MOSMosaic CoCOM106,910$3.81M0.1%History
VRTXVertex Pharmaceuticals IncStock10,573$3.68M0.1%History
CVNACarvana Co.CL A87,164$3.66M0.1%History
ICEIntercontinental Exchange, Inc.Stock32,734$3.60M0.1%History
BBYBest Buy Co IncStock51,405$3.57M0.1%History
CCLCarnival Corp Ltd.UNIT 99/99/9999243,620$3.34M0.1%History
LNTHLantheus Holdings, Inc.Stock45,319$3.15M0.1%History
iShares Russell 2000 Growth ETF464287648ETF13,203$2.96M0.1%–
LYVLive Nation Entertainment, Inc.COM34,957$2.90M0.1%History
DQDaqo New Energy Corp.SPNSRD ADS NEW93,491$2.83M0.1%History
KDPKeurig Dr Pepper Inc.COM89,574$2.83M0.1%History
SKXSkechers USA IncCL A56,198$2.75M0.1%History
BAXBaxter International IncStock71,660$2.70M0.1%History
CAMTCamtek LtdORD43,168$2.69M0.1%History
WSMWilliams Sonoma IncCOM17,194$2.67M0.1%History
RUNSunrun Inc.COM211,155$2.65M0.1%History
XPOXPO, Inc.COM34,941$2.61M0.1%History
WHRWhirlpool CorpStock19,204$2.57M0.1%History
TROWPrice T Rowe Group IncStock23,125$2.42M0.1%History
TSEMTower Semiconductor LtdSHS NEW95,646$2.35M0.1%History
State Street Materials Select Sector SPDR ETF81369Y100ETF29,512$2.32M0.1%–
STMSTMicroelectronics N.V.NY REGISTRY50,769$2.19M0.1%History
METMetlife IncStock34,025$2.14M0.1%History
ASOAcademy Sports & Outdoors, Inc.COM45,071$2.13M0.1%History
AALAmerican Airlines Group Inc.Stock164,526$2.11M0.1%History
RCKTRocket Pharmaceuticals, Inc.COM101,928$2.09M0.1%History
TTDTrade Desk, Inc.Stock25,210$1.97M0.1%History
CHRWC. H. Robinson Worldwide, Inc.COM NEW22,872$1.97M0.1%History
BSXBoston Scientific CorpStock37,160$1.96M0.1%History
BBWIBath & Body Works, Inc.COM57,336$1.94M0.1%History
DBCInvesco DB Commodity Index Tracking FundUNIT76,014$1.90M0.1%History
GRMNGarmin LtdSHS17,851$1.88M0.1%History
GPNGlobal Payments IncStock16,136$1.86M0.1%History
DMDesktop Metal, Inc.COM CL A1,260,569$1.84M0.1%History
MANUManchester United plcORD CL A90,543$1.79M0.1%History
RMBSRambus IncCOM31,157$1.74M0.1%History
AKROAkero Therapeutics, Inc.COM33,582$1.70M0.1%History
iShares Inc464286608MSCI EURZONE ETF39,779$1.68M0.1%–
SPYSPDR S&P 500 ETF TrustETF3,925$1.68M0.1%History
AMBAAmbarella IncSHS30,690$1.63M0.1%History
CPRICapri Holdings LtdSHS30,845$1.62M0.1%History
DVDoubleVerify Holdings, Inc.COM57,586$1.61M0.1%History
Direxion Shs ETF Tr25459W54020YR TRES BULL331,616$1.60M0.1%–
MTArcelorMittalNY REGISTRY SH63,450$1.59M0.1%History
SYMSymbotic Inc.Stock47,316$1.58M0.1%History
CRSPCRISPR Therapeutics AGNAMEN AKT34,794$1.58M0.1%History
HESHess CorpStock10,216$1.56M0.1%History
GFFGriffon CorpCOM39,308$1.56M0.1%History
EXPEExpedia Group, Inc.Stock14,783$1.52M0.1%History
MGAMagna International IncCOM28,037$1.50M0.1%History
CEGConstellation Energy CorpStock13,709$1.50M0.1%History
State Street Communication Services Select Sector SPDR ETF81369Y852ETF22,405$1.47M0.1%–
VISTVista Energy, S.A.B. de C.V.SPONSORED ADS47,889$1.46M0.1%History
NFLXNetflix IncStock3,790$1.43M0.1%History
JBLUJetBlue Airways CorpCOM303,902$1.40M0.1%History
OVVOvintiv Inc.COM29,266$1.39M0.1%History
THOThor Industries IncCOM14,628$1.39M0.1%History
IRBTiRobot CorpCOM36,160$1.37M0.1%History
ORLYO Reilly Automotive IncStock1,418$1.29M<0.1%History
MODModine Manufacturing CoCOM27,062$1.24M<0.1%History
THTarget Hospitality Corp.COM77,159$1.23M<0.1%History
ALLYAlly Financial Inc.Stock44,066$1.18M<0.1%History
CUBECubeSmartREIT30,596$1.17M<0.1%History
QDELQuidelOrtho CorpCOM15,946$1.16M<0.1%History