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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

Holdings in Q4 2024

Holdings as of Dec 31, 2024, filed Feb 11, 2025. Long positions only; changes compare share counts with Q3 2024.

Institution overview
Positions
2,442
+148 vs. Q3 2024
Portfolio value
$3.55B
+$582.6M (+19.6%) vs. Q3 2024
Filed
Feb 11, 2025
SEC
Holdings of Simplex Trading, LLC in Q4 2024
SecurityClassSharesValue% of portfolioShare changeActionHistory
J P Morgan Exchange Traded F46641Q134INTRNL RES EQT13$00.0%+13New–
CCAPCrescent Capital BDC, Inc.COM24$00.0%+24NewHistory
iShares Inc46434G780MSCI SINGPOR ETF35$00.0%+35New–
CPAYCorpay, Inc.COM SHS2$00.0%+2NewHistory
iShares Inc464286665MSCI PAC JP ETF1$00.0%−845−99.9%Reduced–
WEXWEX Inc.COM2$00.0%−1,080−99.8%ReducedHistory
PRKSUnited Parks & Resorts Inc.COM14$00.0%−56−80.0%ReducedHistory
Invesco Exchange Traded FD T46137V381S&P500 EQL DIS1$00.0%00.0%Unchanged–
AGYSAgilysys IncCOM3$00.0%+3NewHistory
ADPTAdaptive Biotechnologies CorpCOM81$00.0%−2,821−97.2%ReducedHistory
AVAAvista CorpCOM15$00.0%−85−85.0%ReducedHistory
NXDTNexpoint Diversified Real Estate TrustCOM NEW86$00.0%−2,043−96.0%ReducedHistory
First Tr Exchange-Traded FD33736G106GBL WND ENRG ETF9$00.0%+5+125.0%Added–
KYMRKymera Therapeutics, Inc.COM20$00.0%+20NewHistory
OSWOnespaworld Holdings LtdCOM38$00.0%+38NewHistory
GGBGerdau S.A.SPON ADR REP PFD197$00.0%−7,693−97.5%ReducedHistory
NXRTNexPoint Residential Trust, Inc.COM4$00.0%−9−69.2%ReducedHistory
CWCOConsolidated Water Co. Ltd.ORD20$00.0%+20NewHistory
COCOVita Coco Company, Inc.COM15$00.0%−25−62.5%ReducedHistory
Fidelity Covington Trust316092725INT HG DIV ETF5$00.0%+5New–
SPDR Series Trust78464A805ST STR PR SP15008$00.0%+8New–
IBPInstalled Building Products, Inc.COM2$00.0%+2NewHistory
UMHUmh Properties, Inc.COM6$00.0%+6NewHistory
DRHDiamondRock Hospitality CoCOM69$00.0%−101−59.4%ReducedHistory
NOANorth American Construction Group Ltd.COM1$00.0%+1NewHistory
BVBrightView Holdings, Inc.COM11$00.0%+11NewHistory
Vanguard Intl Equity Index F922042676GLB EX US ETF1$00.0%+1New–
iShares Tr464289180MSCI EURO FL ETF41$00.0%+41New–
Invesco Exch Traded FD Tr II46138E149S&P SMLCP HELT4$00.0%+4New–
iShares Inc46434G830MSCI ITALY ETF17$00.0%−189−91.7%Reduced–
LASRNlight, Inc.COM64$00.0%+64NewHistory
RLJRLJ Lodging TrustCOM45$00.0%+45NewHistory
WisdomTree Tr97717Y543ARTI INT INN FD25$00.0%−276−91.7%Reduced–
HTLDHeartland Express IncCOM3$00.0%+3NewHistory
ATNIATN International, Inc.COM38$00.0%+35+1,166.7%AddedHistory
BSETBassett Furniture Industries IncCOM64$00.0%+64NewHistory
BCBPBCB Bancorp IncCOM53$00.0%−9,037−99.4%ReducedHistory
BYSIBeyondSpring Inc.SHS9$00.0%+9NewHistory
CCOClear Channel Outdoor Holdings, Inc.COM113$00.0%−6,986−98.4%ReducedHistory
COSMCosmos Health Inc.COM1,418$00.0%+499+54.3%AddedHistory
CVUCpi Aerostructures IncCOM NEW161$00.0%−1,088−87.1%ReducedHistory
LAWCS Disco, Inc.COM87$00.0%−2,785−97.0%ReducedHistory
CTMXCytomX Therapeutics, Inc.COM507$00.0%+507NewHistory
CTSOCytosorbents CorpCOM NEW313$00.0%+313NewHistory
ENTAEnanta Pharmaceuticals IncCOM56$00.0%−165−74.7%ReducedHistory
XGNExagen Inc.COM81$00.0%−473−85.4%ReducedHistory
FBIZFirst Business Financial Services, Inc.COM1$00.0%+1NewHistory
INBKFirst Internet BancorpCOM20$00.0%+20NewHistory
FTCIFTC Solar, Inc.COM NEW70$00.0%−558−88.9%ReducedConverted for a 1-for-10 splitHistory
GOROGoldgroup Mining Inc.COM100$00.0%+100NewHistory
IGCIGC Pharma, Inc.COM NEW912$00.0%−100−9.9%ReducedHistory
IMMXImmix Biopharma, Inc.COM22$00.0%+22NewHistory
IDNIntellicheck, Inc.COM NEW147$00.0%−1,557−91.4%ReducedHistory
IRIXIridex CorpCOM505$00.0%−1,659−76.7%ReducedHistory
KLTRKaltura IncCOM216$00.0%+216NewHistory
KWYKINGSWAY CorpCOM NEW43$00.0%+43NewHistory
LCTXLineage Cell Therapeutics, Inc.COM351$00.0%−1,099−75.8%ReducedHistory
MNOVMedicinova IncCOM NEW353$00.0%+353NewHistory
MLSSMilestone Scientific Inc.COM NEW56$00.0%−65−53.7%ReducedHistory
MNTKMontauk Renewables, Inc.COM119$00.0%+119NewHistory
NPCENeuroPace IncCOM36$00.0%+36NewHistory
NBPNovaBridge BiosciencesSPONSORED ADS814$00.0%+397+95.2%AddedHistory
OVIDOvid Therapeutics Inc.COM590$00.0%−3,905−86.9%ReducedHistory
LUNGPulmonx CorpCOM51$00.0%+51NewHistory
RLGTRadiant Logistics, IncCOM61$00.0%−7,100−99.1%ReducedHistory
RFLRafael Holdings, Inc.COM CL B400$00.0%+400NewHistory
RMAXRE/MAX Holdings, Inc.CL A78$00.0%+78NewHistory
RFILR F Industries LtdCOM PAR $0.0143$00.0%+43NewHistory
SACHSachem Capital Corp.COM499$00.0%+215+75.7%AddedHistory
STTKShattuck Labs, Inc.COM251$00.0%−9,347−97.4%ReducedHistory
SKYESkye Bioscience, Inc.COM NEW17$00.0%+17NewHistory
SYSo-Young International Inc.SPONSORED ADS171$00.0%+171NewHistory
SPRUSpruce Power Holding CorpCOM NEW174$00.0%−478−73.3%ReducedHistory
TLPHTalphera, Inc.COM NEW363$00.0%+363NewHistory
PAAIParadium.AI, Inc.COM720$00.0%−244−25.3%ReducedHistory
TXMDTherapeuticsMD, Inc.COM NEW45$00.0%+43+2,150.0%AddedHistory
GROWU S Global Investors IncCL A54$00.0%+54NewHistory
UEICUniversal Electronics IncCOM66$00.0%+22+50.0%AddedHistory
WWRWestwater Resources, Inc.COM NEW85$00.0%+85NewHistory
ZIPZiprecruiter, Inc.CL A122$00.0%−6,811−98.2%ReducedHistory
ARK ETF Tr00214Q5003D PRINTING ETF30$00.0%−34−53.1%Reduced–
Atech (Parent) Resolution Corp.00973N102COM21,971$00.0%+21,971New–
ATOSAtossa Therapeutics, Inc.COM609$00.0%+609NewHistory
BDSXBiodesix IncCOM71$00.0%+71NewHistory
DRIODarioHealth Corp.COM NEW1,270$00.0%−120−8.6%ReducedHistory
Direxion Shs ETF Tr25459Y520DRX DLYSOKOR3X100$00.0%+100New–
DCBODocebo Inc.COM2$00.0%+2NewHistory
ENZBEnzo Biochem IncCOM274$00.0%−2,491−90.1%ReducedHistory
HYPDHyperion Defi, Inc.COM4,124$00.0%+3,564+636.4%AddedHistory
GRTSGritstone bio, Inc.COM44,228$00.0%+27,112+158.4%AddedHistory
ICADIcad IncCOM NEW531$00.0%+531NewHistory
Immunoprecise Antibodies Ltd45257F200COM NEW176$00.0%+76+76.0%Added–
INZYInozyme Pharma, Inc.COM327$00.0%−586−64.2%ReducedHistory
GORVLazydays Holdings, Inc.COM373$00.0%+373NewHistory
Listed FD Tr53656F706ROUNDHILL BITK39$00.0%+39New–
LYRALyra Therapeutics, Inc.COM363$00.0%−3,794−91.3%ReducedHistory
MRCMRC Global Inc.COM26$00.0%+26NewHistory
NDLSNOODLES & CoCOM CL A105$00.0%−5,282−98.1%ReducedHistory
ONTFON24 Inc.COM50$00.0%+50NewHistory
OESXOrion Energy Systems, Inc.COM301$00.0%+301NewHistory

Options (6,060)

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 6,060 by value.

Option positions of Simplex Trading, LLC in Q4 2024
SecurityClassPutsCalls
SPDR S&P 500 ETF Tr78462F953PUT$34.6B–
SPDR S&P 500 ETF Tr78462F903CALL–$11.1B
iShares Tr464287957PUT$7.15B–
Tesla Inc88160R901CALL–$5.91B
Tesla Inc88160R951PUT$5.80B–
Invesco QQQ Tr46090E953PUT$5.66B–
NVIDIA Corporation67066G904CALL–$5.17B
NVIDIA Corporation67066G954PUT$4.68B–
iShares Tr464287907CALL–$3.53B
Apple Inc037833900CALL–$3.45B
Apple Inc037833950PUT$3.42B–
Invesco QQQ Tr46090E903UNIT SER 1–$3.29B
Facebook Inc30303M902CALL–$1.88B
Microsoft Corp594918904CALL–$1.45B
Select Sector SPDR Tr81369Y956PUT$1.37B–
SPDR Gold Tr78463V907CALL–$1.30B
Alphabet Inc02079K905CALL–$1.29B
MicroStrategy Inc594972958PUT$1.27B–
Facebook Inc30303M952PUT$1.24B–
Amazon Com Inc023135956PUT$1.21B–
Amazon Com Inc023135906CALL–$1.15B
Select Sector SPDR Tr81369Y906CALL–$1.14B
MicroStrategy Inc594972908CALL–$1.08B
Microsoft Corp594918954PUT$968.9M–
Alphabet Inc02079K955PUT$910.1M–
Broadcom Inc11135F951PUT$890.8M–
Broadcom Inc11135F901CALL–$845.2M
Alibaba Group Hldg Ltd01609W902CALL–$803.9M
Netflix Inc64110L956PUT$788.7M–
SPDR Gold Tr78463V957GOLD SHS$772.2M–
Advanced Micro Devices Inc007903907CALL–$723.9M
Booking Holdings Inc09857L908CALL–$652.7M
Booking Holdings Inc09857L958PUT$608.6M–
Palantir Technologies Inc69608A908CALL–$584.5M
VanEck Vectors ETF Tr92189F902CALL–$584.4M
VanEck Vectors ETF Tr92189F952PUT$562.9M–
Advanced Micro Devices Inc007903957PUT$562.1M–
Taiwan Semiconductor Mfg Ltd874039950PUT$554.9M–
iShares Bitcoin Trust ETF46438F901CALL–$512.4M
Netflix Inc64110L906CALL–$509.0M
iShares Silver Tr46428Q909CALL–$472.7M
Palantir Technologies Inc69608A958PUT$452.5M–
Boeing Co097023905COM–$441.0M
Costco WHSL Corp New22160K905CALL–$439.3M
SPDR Dow Jones Indl Average78467X909CALL–$437.8M
SPDR Ser Tr78464A958PUT$436.4M–
Costco WHSL Corp New22160K955PUT$426.8M–
Berkshire Hathaway Inc Del084670902CALL–$374.7M
Taiwan Semiconductor Mfg Ltd874039900CALL–$374.3M
Boeing Co097023955PUT$369.0M–
Walmart Inc931142953PUT$346.5M–
Walmart Inc931142903CALL–$337.5M
iShares Tr464288955PUT$327.3M–
SPDR Ser Tr78464A908CALL–$325.4M
Lilly Eli & Co532457908CALL–$324.5M
JPMorgan Chase & Co46625H900CALL–$311.2M
Goldman Sachs Group Inc38141G954PUT$309.6M–
Coinbase Global Inc19260Q907CALL–$303.3M
Super Micro Computer Inc86800U952PUT$290.8M–
JPMorgan Chase & Co46625H950PUT$288.9M–
Kraneshares Tr500767906CALL–$288.2M
Coinbase Global Inc19260Q957PUT$285.9M–
Lilly Eli & Co532457958PUT$285.1M–
Salesforce Com Inc79466L952PUT$284.5M–
Palo Alto Networks Inc697435955PUT$275.7M–
Salesforce Com Inc79466L902CALL–$269.0M
Alibaba Group Hldg Ltd01609W952PUT$267.5M–
UnitedHealth Group Inc91324P902COM–$259.1M
CrowdStrike Hldgs Inc22788C955PUT$251.5M–
SPDR Dow Jones Indl Average78467X959PUT$251.3M–
Citigroup Inc172967904CALL–$248.4M
International Business Machs459200901CALL–$248.3M
Oracle Corp68389X955PUT$239.9M–
PayPal Hldgs Inc70450Y903CALL–$230.3M
Pinduoduo Inc722304902CALL–$229.9M
iShares Bitcoin Trust ETF46438F951PUT$229.6M–
Uber Technologies Inc90353T900CALL–$227.7M
Intel Corp458140900CALL–$227.4M
ProShares Tr74347G907CALL–$222.7M
Disney Walt Co254687906CALL–$221.1M
Micron Technology Inc595112903CALL–$219.6M
Exxon Mobil Corp30231G902CALL–$210.7M
ProShares Tr74347X900CALL–$207.5M
Applovin Corp03831W908CALL–$207.1M
CrowdStrike Hldgs Inc22788C905CALL–$204.3M
Citigroup Inc172967954PUT$204.1M–
Super Micro Computer Inc86800U902CALL–$203.7M
Vanguard Index FDS922908959PUT$202.6M–
Visa Inc92826C909CALL–$197.9M
ASML Holding N VN07059900CALL–$195.7M
Micron Technology Inc595112953PUT$194.4M–
BK of America Corp060505954PUT$192.6M–
Adobe Systems Incorporated00724F951PUT$189.6M–
Goldman Sachs Group Inc38141G904CALL–$183.4M
Wells Fargo Co New949746951PUT$183.1M–
Berkshire Hathaway Inc Del084670952PUT$182.3M–
Visa Inc92826C959PUT$176.6M–
PayPal Hldgs Inc70450Y953PUT$175.0M–
Home Depot Inc437076902CALL–$174.9M
Robinhood MKTS Inc770700902CALL–$174.8M

Sold out since Q3 2024 (815)

Positions held at the end of Q3 2024 that are gone from this filing.

The largest 100 of 815 by value last quarter.

Positions of Simplex Trading, LLC sold out since Q3 2024
SecurityClassShares in Q3 2024Value in Q3 2024% of portfolio in Q3 2024History
PDDPDD Holdings Inc.SPONSORED ADS710,095$95.7M3.2%History
State Street Energy Select Sector SPDR ETF81369Y506ETF354,871$31.2M1.1%–
iShares Russell 2000 ETF464287655ETF113,827$25.1M0.8%–
HOODRobinhood Markets, Inc.Stock1,002,580$23.5M0.8%History
OXYOccidental Petroleum CorpStock407,778$21.0M0.7%History
iShares MSCI Eafe ETF464287465ETF173,650$14.5M0.5%–
ELEstee Lauder Companies IncCL A133,458$13.3M0.4%History
SNOWSnowflake Inc.Stock110,529$12.7M0.4%History
BBYBest Buy Co IncStock120,549$12.5M0.4%History
CCLCarnival Corp Ltd.UNIT 99/99/9999627,189$11.6M0.4%History
UPSTUpstart Holdings, Inc.COM264,883$10.6M0.4%History
WDAYWorkday, Inc.CL A40,042$9.79M0.3%History
AMZNAmazon Com IncStock50,202$9.35M0.3%History
BSXBoston Scientific CorpStock99,260$8.32M0.3%History
QCOMQualcomm IncStock48,389$8.23M0.3%History
RIOTRiot Platforms, Inc.COM1,097,648$8.14M0.3%History
DHIHorton D R IncCOM41,837$7.98M0.3%History
CMCSAComcast CorpStock183,370$7.66M0.3%History
ELFe.l.f. Beauty, Inc.COM69,490$7.58M0.3%History
PANWPalo Alto Networks IncStock21,298$7.28M0.2%History
NFLXNetflix IncStock9,857$6.99M0.2%History
INTUIntuit Inc.Stock11,078$6.88M0.2%History
LYFTLyft, Inc.CL A COM526,556$6.71M0.2%History
BNYBank of New York Mellon CorpStock90,974$6.54M0.2%History
FSLRFirst Solar, Inc.Stock25,931$6.47M0.2%History
CCOICogent Communications Holdings, Inc.COM NEW82,185$6.24M0.2%History
iShares MSCI India ETF46429B598ETF101,706$5.95M0.2%–
State Street Industrial Select Sector SPDR ETF81369Y704ETF40,044$5.42M0.2%–
SHELShell plcADR82,055$5.41M0.2%History
EXPDExpeditors International of Washington IncCOM37,232$4.89M0.2%History
LLYEli Lilly & CoStock5,445$4.82M0.2%History
TDGTransDigm Group INCCOM3,282$4.68M0.2%History
USOUnited States Oil Fund, LPUNITS66,596$4.66M0.2%History
UNGUnited States Natural Gas Fund, LPETF273,546$4.47M0.2%History
CBChubb LtdStock15,142$4.37M0.1%History
APOApollo Global Management, Inc.COM34,318$4.29M0.1%History
LYVLive Nation Entertainment, Inc.COM39,005$4.27M0.1%History
ProShares Bitcoin ETF74347G440ETF208,816$4.01M0.1%–
AEPAmerican Electric Power Co IncStock38,993$4.00M0.1%History
CARTMaplebear Inc.COM91,132$3.71M0.1%History
TFCTruist Financial CorpCOM86,033$3.68M0.1%History
ALABAstera Labs, Inc.Stock69,670$3.65M0.1%History
ENPHEnphase Energy, Inc.Stock32,231$3.64M0.1%History
TTWOTake Two Interactive Software IncCOM23,259$3.58M0.1%History
CMICummins IncStock10,874$3.52M0.1%History
Proshares Ultrapro Short Qqq - US ETP74347G432Exchange-Traded Fund453,530$3.35M0.1%–
APDAir Products & Chemicals, Inc.Stock10,947$3.26M0.1%History
JCIJohnson Controls International plcStock40,626$3.15M0.1%History
ORCLOracle CorpStock18,353$3.13M0.1%History
STWDStarwood Property Trust, Inc.COM152,287$3.10M0.1%History
FDSFactset Research Systems IncStock6,733$3.10M0.1%History
LHXL3HARRIS Technologies, Inc.Stock12,605$3.00M0.1%History
HDHome Depot, Inc.Stock7,107$2.88M0.1%History
RSIRush Street Interactive, Inc.COM259,660$2.82M0.1%History
LPLALPL Financial Holdings Inc.COM11,867$2.76M0.1%History
PEPPepsiCo IncStock15,947$2.71M0.1%History
MAMastercard IncStock5,473$2.70M0.1%History
FLUTFlutter Entertainment plcSHS11,246$2.67M0.1%History
EDConsolidated Edison IncStock25,292$2.63M0.1%History
BCOBrinks CoCOM22,419$2.59M0.1%History
HIMSHims & Hers Health, Inc.Stock132,806$2.45M0.1%History
FANGDiamondback Energy, Inc.Stock14,057$2.42M0.1%History
ZGZillow Group, Inc.CL A37,446$2.32M0.1%History
WPCW. P. Carey Inc.COM37,155$2.31M0.1%History
NDAQNasdaq, Inc.COM31,032$2.27M0.1%History
CSCOCisco Systems, Inc.Stock42,222$2.25M0.1%History
DOCUDocuSign, Inc.Stock35,412$2.20M0.1%History
APLSApellis Pharmaceuticals, Inc.COM73,982$2.13M0.1%History
RPDRapid7, Inc.COM52,720$2.10M0.1%History
FERGFerguson Enterprises Inc.COMMON STOCK NEW10,405$2.07M0.1%History
APTVAptiv PLCSHS28,659$2.06M0.1%History
APPFAppfolio IncCOM CL A8,614$2.03M0.1%History
SUSuncor Energy IncStock54,702$2.02M0.1%History
TMToyota Motor CorpADS11,116$1.98M0.1%History
PNWPinnacle West Capital CorpCOM21,599$1.91M0.1%History
INCYIncyte CorpCOM28,272$1.87M0.1%History
FTDRFrontdoor, Inc.COM38,081$1.83M0.1%History
HRHealthcare Realty Trust IncCL A COM99,673$1.81M0.1%History
WECWec Energy Group, Inc.Stock18,777$1.80M0.1%History
GTLBGitlab Inc.CLASS A COM34,383$1.77M0.1%History
ANFAbercrombie & Fitch CoCL A12,607$1.76M0.1%History
EXPEExpedia Group, Inc.Stock11,611$1.72M0.1%History
YETIYETI Holdings, Inc.COM41,182$1.69M0.1%History
Direxion Shs ETF Tr25460E265DLY S&P500 BR 3X249,917$1.66M0.1%–
SHAKShake Shack Inc.CL A16,006$1.65M0.1%History
HUBBHubbell IncCOM3,828$1.64M0.1%History
TJXTJX Companies IncStock13,704$1.61M0.1%History
AIGAmerican International Group, Inc.Stock21,687$1.59M0.1%History
PEGPublic Service Enterprise Group IncCOM17,481$1.56M0.1%History
CPRICapri Holdings LtdSHS36,666$1.56M0.1%History
ROPRoper Technologies IncStock2,767$1.54M0.1%History
EMEEMCOR Group, Inc.Stock3,537$1.52M0.1%History
NVONovo Nordisk A SADR12,717$1.51M0.1%History
EXEExpand Energy CorpCOM18,233$1.50M0.1%History
CPERUnited States Commodity Index Funds TrustCM REP COPP FD51,310$1.45M<0.1%History
ESEversource EnergyStock21,311$1.45M<0.1%History
RLRalph Lauren CorpCL A7,181$1.39M<0.1%History
TMETencent Music Entertainment GroupSPON ADS113,839$1.37M<0.1%History
CCICrown Castle Inc.REIT11,471$1.36M<0.1%History
TRPTC Energy CorpCOM28,593$1.36M<0.1%History