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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

Holdings in Q1 2025

Holdings as of Mar 31, 2025, filed May 12, 2025. Long positions only; changes compare share counts with Q4 2024.

Institution overview
Positions
2,403
−39 vs. Q4 2024
Portfolio value
$2.82B
−$729.3M (−20.6%) vs. Q4 2024
Filed
May 12, 2025
SEC
Holdings of Simplex Trading, LLC in Q1 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
ZENAZenaTech, Inc.COM NEW276$00.0%+276NewHistory
AFCGAdvanced Flower Capital Inc.COM39$00.0%+39NewHistory
LONALeonaBio, Inc.COM324$00.0%−1,860−85.2%ReducedHistory
BMRABiomerica IncCOM NEW1,478$00.0%+1,478NewHistory
Cambria ETF Tr132061821CANNABIS ETF147$00.0%+147New–
CLIRClearSign Technologies CorpCOM393$00.0%−3,180−89.0%ReducedHistory
CODXCo-Diagnostics, Inc.COM1,846$00.0%−25,673−93.3%ReducedHistory
DBX ETF Tr233051754XTRACK CSI 500 A24$00.0%−904−97.4%Reduced–
Direxion Shs ETF Tr25459Y165DLY S&P500 2XS3$00.0%+3New–
Direxion Shs ETF Tr25460E364DAILY DJ BULL29$00.0%−6,003−99.5%Reduced–
Direxion Shs ETF Tr25460G625DAILY CLUD BUL2X26$00.0%+26New–
LNAILunai Bioworks Inc.COM730$00.0%−5,375−88.0%ReducedHistory
ENZBEnzo Biochem IncCOM2$00.0%−272−99.3%ReducedHistory
Global X FDS37950E648GBL X FTSE ETF16$00.0%−83−83.8%Reduced–
Immunoprecise Antibodies Ltd45257F200COM NEW755$00.0%+579+329.0%Added–
IMMPIMMUTEP LtdSPONSORED ADS51$00.0%−10,251−99.5%ReducedHistory
GORVLazydays Holdings, Inc.COM656$00.0%+283+75.9%AddedHistory
Listed FD Tr53656F706ROUNDHILL BITK43$00.0%+4+10.3%Added–
LYRALyra Therapeutics, Inc.COM1,317$00.0%+954+262.8%AddedHistory
MRCCMonroe Capital CorpCOM29$00.0%−141−82.9%ReducedHistory
OESXOrion Energy Systems, Inc.COM563$00.0%+262+87.0%AddedHistory
PRAProassurance CorpCOM33$00.0%+33NewHistory
ProShares Tr74347G804K1 FRE CRD OIL6$00.0%+6New–
RAPTRAPT Therapeutics, Inc.COM255$00.0%+255NewHistory
SLNSilence Therapeutics plcADS251$00.0%+200+392.2%AddedHistory
UONEKUrban One, Inc.CL D NON VTG400$00.0%+400NewHistory
VRCAVerrica Pharmaceuticals Inc.COM1,563$00.0%−5,754−78.6%ReducedHistory
VIRXViracta Therapeutics, Inc.COM400$00.0%+400NewHistory
VNRXVolitionrx LtdCOM534$00.0%+157+41.6%AddedHistory
SLGLSol-Gel Technologies Ltd.SHS256$00.0%+229+848.1%AddedHistory
GLBSGlobus Maritime LtdCOM NEW401$00.0%−14−3.4%ReducedHistory
ACXPAcurx Pharmaceuticals, Inc.COM1,400$00.0%+1,400NewHistory
LYELLyell Immunopharma, Inc.COM990$00.0%+373+60.5%AddedHistory
ATXSAstria Therapeutics, Inc.COM69$00.0%−661−90.5%ReducedHistory
LGOLargo Inc.COMMON STOCK244$00.0%−1,743−87.7%ReducedHistory
WBXWallbox N.V.SHS121$00.0%+121NewHistory
LVLULulu's Fashion Lounge Holdings, Inc.COM178$00.0%−1,059−85.6%ReducedHistory
AZIOAzio AI Holdings, Inc.COM202$00.0%−249−55.2%ReducedHistory
TRXTRX GOLD CorpCOM707$00.0%+707NewHistory
GGRGogoro Inc.ORDINARY SHARES3,304$00.0%+3,292+27,433.3%AddedHistory
ITPIt Tech Packaging, Inc.COM NEW2,079$00.0%−1,196−36.5%ReducedHistory
SYRSSyros Pharmaceuticals, Inc.COM NEW4,123$00.0%+4,123NewHistory
DRRXDurect CorpCOM NEW508$00.0%+508NewHistory
Tidal ETF Tr II88634T600YIELDMAX INNOVAT131$00.0%−1,856−93.4%Reduced–
Direxion Shs ETF Tr25460G161DAILY NYSE FANG3$00.0%−1,474−99.8%Reduced–
FTFTFuture FinTech Group Inc.COM NEW3,834$00.0%+1,816+90.0%AddedHistory
OCEAOcean Biomedical, Inc.COM12,933$00.0%+11,378+731.7%AddedHistory
CASIFCASI Pharmaceuticals, Inc.ORD SHS114$00.0%+114NewHistory
PAVMPAVmed Inc.COM NEW231$00.0%+231NewHistory
ProShares Tr74349Y209SHORT ETHER STRG20$00.0%+20New–
STKHSteakholder Foods Ltd.common354$00.0%+354NewHistory
TRIBTrinity Biotech PLCSPONS ADR NEW215$00.0%−1,217−85.0%ReducedHistory
Tidal Tr II88636J428ETF73$00.0%−1,634−95.7%Reduced–
Defiance Nasdaq 100 in T ETF88636J576DEFIANCE NASDAQ ADDED38$00.0%−1,309−97.2%Reduced–
RCONRecon Technology, LtdSHS NEW CL A184$00.0%−359−66.1%ReducedHistory
KZIAKazia Therapeutics LtdADR5$00.0%−705−99.3%ReducedHistory
CMCTCreative Media & Community Trust CorpCOM375$00.0%+375NewHistory
ETF Ser Solutions26922B436DEFIANCE NEXT GE11$00.0%−24−68.6%Reduced–
MLGOMicroAlgo Inc.ORD SHS5$00.0%+5NewHistory
NANano Labs LtdSHS NEW118$00.0%+118NewHistory
Schwab Intermediate-Term US Treasury ETF808524854ETF76$1.00K<0.1%+76New–
Truth Social God Bless America ETF886364462ETF54$1.00K<0.1%00.0%Unchanged–
First Trust Nasdaq Clean Edge Green Energy Index Fund33733E500ETF58$1.00K<0.1%+58New–
BEEMBeam GlobalCOM857$1.00K<0.1%−11,598−93.1%ReducedHistory
Cambria ETF Tr132061201SHSHLD YIELD ETF18$1.00K<0.1%+18New–
WDWalker & Dunlop, Inc.COM23$1.00K<0.1%+3+15.0%AddedHistory
ALNTAllient IncCOM48$1.00K<0.1%+48NewHistory
SLPSimulations Plus, Inc.COM46$1.00K<0.1%+46NewHistory
ASTEAstec Industries IncCOM53$1.00K<0.1%−1,457−96.5%ReducedHistory
PSOPearson PLCSPONSORED ADR88$1.00K<0.1%+18+25.7%AddedHistory
First Tr Exchange-Traded FD33736G106GBL WND ENRG ETF108$1.00K<0.1%+99+1,100.0%Added–
TILEInterface IncCOM71$1.00K<0.1%−486−87.3%ReducedHistory
BDCBelden Inc.COM19$1.00K<0.1%+19NewHistory
RGPResources Connection, Inc.COM230$1.00K<0.1%−1,958−89.5%ReducedHistory
UFPTUfp Technologies IncCOM5$1.00K<0.1%+5NewHistory
Invesco Exchange Traded FD T46137V134WILDERHIL CLAN78$1.00K<0.1%+78New–
CHRSCoherus Oncology, Inc.COM1,348$1.00K<0.1%+1,348NewHistory
SHCSotera Health CoCOM134$1.00K<0.1%+134NewHistory
OCFCOceanfirst Financial CorpCOM93$1.00K<0.1%+93NewHistory
JLLJones Lang Lasalle IncCOM8$1.00K<0.1%+8NewHistory
JBIJanus International Group, Inc.COMMON STOCK261$1.00K<0.1%−27,951−99.1%ReducedHistory
iShares Inc464286764MSCI SPAIN ETF28$1.00K<0.1%−35−55.6%Reduced–
LPLLG Display Co., Ltd.SPONS ADR REP336$1.00K<0.1%−1,812−84.4%ReducedHistory
NRCNRC HealthCOM NEW98$1.00K<0.1%+98NewHistory
PACSPACS Group, Inc.COM SHS154$1.00K<0.1%−33,797−99.5%ReducedHistory
VREXVarex Imaging CorpCOM131$1.00K<0.1%+131NewHistory
NMRNomura Holdings IncSPONSORED ADR176$1.00K<0.1%+176NewHistory
BVBrightView Holdings, Inc.COM153$1.00K<0.1%+142+1,290.9%AddedHistory
ECPGEncore Capital Group IncCOM57$1.00K<0.1%+57NewHistory
CSTLCastle Biosciences IncCOM97$1.00K<0.1%−2,967−96.8%ReducedHistory
ORNOrion Group Holdings IncCOM195$1.00K<0.1%+195NewHistory
Global X FDS37954Y343GLBL X MLP ETF30$1.00K<0.1%−5−14.3%Reduced–
PJTPJT Partners Inc.COM CL A12$1.00K<0.1%−35−74.5%ReducedHistory
Vanguard Scottsdale FDS92206C102SHORT TERM TREAS32$1.00K<0.1%+32New–
TFXTeleflex IncCOM13$1.00K<0.1%−1,038−98.8%ReducedHistory
TLSTelos CorpCOM817$1.00K<0.1%+817NewHistory
NMFCNew Mountain Finance CorpCOM127$1.00K<0.1%−115−47.5%ReducedHistory
UNFUnifirst CorpCOM8$1.00K<0.1%+8NewHistory
ANROAlto Neuroscience, Inc.COM SHS584$1.00K<0.1%+584NewHistory
BRLTBrilliant Earth Group, Inc.CL A COM904$1.00K<0.1%−482−34.8%ReducedHistory

Options (6,120)

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 6,120 by value.

Option positions of Simplex Trading, LLC in Q1 2025
SecurityClassPutsCalls
SPDR S&P 500 ETF Tr78462F953PUT$29.8B–
SPDR S&P 500 ETF Tr78462F903CALL–$13.0B
Invesco QQQ Tr46090E953PUT$7.31B–
iShares Tr464287957PUT$7.17B–
iShares Tr464287907CALL–$3.99B
Invesco QQQ Tr46090E903UNIT SER 1–$3.92B
Tesla Inc88160R951PUT$3.86B–
Tesla Inc88160R901CALL–$3.74B
NVIDIA Corporation67066G954PUT$3.35B–
NVIDIA Corporation67066G904CALL–$2.86B
Facebook Inc30303M902CALL–$2.25B
Apple Inc037833900CALL–$2.06B
Apple Inc037833950PUT$1.78B–
SPDR Gold Tr78463V907CALL–$1.65B
Facebook Inc30303M952PUT$1.51B–
Select Sector SPDR Tr81369Y956PUT$1.41B–
Amazon Com Inc023135906CALL–$1.35B
SPDR Gold Tr78463V957GOLD SHS$1.26B–
Microsoft Corp594918904CALL–$1.16B
MicroStrategy Inc594972958PUT$1.13B–
Amazon Com Inc023135956PUT$1.01B–
Alphabet Inc02079K905CALL–$952.9M
MicroStrategy Inc594972908CALL–$902.8M
Select Sector SPDR Tr81369Y906CALL–$852.0M
Microsoft Corp594918954PUT$830.2M–
SPDR Dow Jones Indl Average78467X909CALL–$822.8M
Alibaba Group Hldg Ltd01609W902CALL–$814.8M
Booking Holdings Inc09857L958PUT$802.5M–
Alphabet Inc02079K955PUT$715.0M–
Netflix Inc64110L956PUT$649.1M–
Advanced Micro Devices Inc007903907CALL–$596.6M
Broadcom Inc11135F951PUT$565.8M–
iShares Tr464288955PUT$506.1M–
Palantir Technologies Inc69608A908CALL–$500.5M
VanEck Vectors ETF Tr92189F902CALL–$491.3M
iShares Silver Tr46428Q909CALL–$489.0M
Advanced Micro Devices Inc007903957PUT$483.9M–
VanEck Vectors ETF Tr92189F952PUT$477.7M–
Netflix Inc64110L906CALL–$471.9M
Taiwan Semiconductor Mfg Ltd874039950PUT$466.7M–
iShares Bitcoin Trust ETF46438F901CALL–$442.7M
Palantir Technologies Inc69608A958PUT$427.5M–
Broadcom Inc11135F901CALL–$420.6M
Micron Technology Inc595112903CALL–$392.0M
Alibaba Group Hldg Ltd01609W952PUT$387.0M–
SPDR Ser Tr78464A958PUT$347.7M–
SPDR Ser Tr78464A908CALL–$346.3M
Booking Holdings Inc09857L908CALL–$310.5M
UnitedHealth Group Inc91324P902COM–$308.6M
Taiwan Semiconductor Mfg Ltd874039900CALL–$306.2M
Costco WHSL Corp New22160K955PUT$305.2M–
Berkshire Hathaway Inc Del084670952PUT$283.3M–
JPMorgan Chase & Co46625H900CALL–$276.7M
Walmart Inc931142903CALL–$275.1M
JPMorgan Chase & Co46625H950PUT$273.1M–
Costco WHSL Corp New22160K905CALL–$254.5M
Boeing Co097023905COM–$252.0M
Berkshire Hathaway Inc Del084670902CALL–$241.5M
Intel Corp458140900CALL–$241.3M
Pinduoduo Inc722304902CALL–$240.8M
Citigroup Inc172967904CALL–$236.1M
Super Micro Computer Inc86800U952PUT$235.3M–
Salesforce Com Inc79466L902CALL–$229.2M
Boeing Co097023955PUT$228.5M–
Kraneshares Tr500767906CALL–$228.0M
Goldman Sachs Group Inc38141G954PUT$226.5M–
Citigroup Inc172967954PUT$224.8M–
Micron Technology Inc595112953PUT$222.4M–
Exxon Mobil Corp30231G902CALL–$216.9M
Lilly Eli & Co532457958PUT$206.2M–
Nike Inc654106903CALL–$204.3M
Walmart Inc931142953PUT$202.1M–
Applovin Corp03831W908CALL–$193.2M
Pinduoduo Inc722304952PUT$189.7M–
Intel Corp458140950PUT$184.4M–
Lilly Eli & Co532457908CALL–$183.8M
Oracle Corp68389X905CALL–$181.9M
iShares Bitcoin Trust ETF46438F951PUT$180.4M–
iShares Silver Tr46428Q959ISHARES$179.8M–
Uber Technologies Inc90353T900CALL–$179.7M
ASML Holding N VN07059900CALL–$176.5M
Robinhood MKTS Inc770700902CALL–$176.1M
Super Micro Computer Inc86800U902CALL–$173.9M
Coinbase Global Inc19260Q907CALL–$173.6M
Disney Walt Co254687906CALL–$170.7M
PayPal Hldgs Inc70450Y903CALL–$170.1M
Goldman Sachs Group Inc38141G904CALL–$166.8M
Uber Technologies Inc90353T950PUT$165.5M–
Palo Alto Networks Inc697435955PUT$165.2M–
iShares Tr464288905CALL–$164.5M
Invesco Exchange Traded FD T46137V956PUT$163.8M–
SPDR Dow Jones Indl Average78467X959PUT$161.7M–
CVS Health Corp126650900CALL–$158.0M
Wells Fargo Co New949746951PUT$156.5M–
Chevron Corp New166764900CALL–$154.1M
Visa Inc92826C909CALL–$153.4M
Carvana Co146869952PUT$151.9M–
Cisco Sys Inc17275R902CALL–$149.5M
Johnson & Johnson478160904CALL–$146.6M
UnitedHealth Group Inc91324P952PUT$144.0M–

Sold out since Q4 2024 (944)

Positions held at the end of Q4 2024 that are gone from this filing.

The largest 100 of 944 by value last quarter.

Positions of Simplex Trading, LLC sold out since Q4 2024
SecurityClassShares in Q4 2024Value in Q4 2024% of portfolio in Q4 2024History
BABAAlibaba Group Holding LtdADR578,106$49.0M1.4%History
AMDAdvanced Micro Devices IncStock398,387$48.1M1.4%History
Invesco QQQ Trust Series I46090E103ETF77,023$39.4M1.1%–
SBUXStarbucks CorpStock359,550$32.8M0.9%History
iShares Tr464288513IBOXX HI YD ETF306,276$24.1M0.7%–
FTNTFortinet, Inc.Stock222,215$21.0M0.6%History
VZVerizon Communications IncStock507,587$20.3M0.6%History
JNJJohnson & JohnsonStock118,269$17.1M0.5%History
DVNDevon Energy CorpStock503,840$16.5M0.5%History
UUnity Software Inc.COM695,344$15.6M0.4%History
SMCISuper Micro Computer, Inc.Stock491,603$15.0M0.4%History
BRK.BBerkshire Hathaway IncStock33,016$15.0M0.4%History
ADBEAdobe Inc.Stock32,959$14.7M0.4%History
DIASPDR Dow Jones Industrial Average ETF TrustUT SER 131,837$13.5M0.4%History
SPYSPDR S&P 500 ETF TrustETF22,614$13.3M0.4%History
AEMAgnico Eagle Mines LtdStock167,150$13.1M0.4%History
KOCoca Cola CoStock199,658$12.4M0.4%History
XUnited States Steel CorpCOM350,448$11.9M0.3%History
SESea LtdSPONSORD ADS107,412$11.4M0.3%History
DLTRDollar Tree, Inc.COM148,540$11.1M0.3%History
METAMeta Platforms, Inc.Stock18,551$10.9M0.3%History
VanEck ETF Trust92189F106GOLD MINERS ETF314,070$10.7M0.3%–
MARAMARA Holdings, Inc.COM629,246$10.6M0.3%History
CVXChevron CorpStock70,250$10.2M0.3%History
VanEck Semiconductor ETF92189F676ETF41,923$10.2M0.3%–
XYZBlock, Inc.CL A117,078$9.95M0.3%History
XPEVXpeng Inc.ADS763,945$9.03M0.3%History
XOMExxonMobil Holdings CorpCOM81,429$8.76M0.2%History
TTTrane Technologies plcSHS21,761$8.04M0.2%History
Direxion Shs ETF Tr25460G195DL FTSE BULL 3X286,661$8.01M0.2%–
COSTCostco Wholesale CorpStock8,469$7.76M0.2%History
ASMLASML Holding NVADR10,781$7.47M0.2%History
iShares Tr46429B671MSCI CHINA ETF158,536$7.43M0.2%–
AMCAMC Entertainment Holdings, Inc.CL A NEW1,850,822$7.37M0.2%History
COFCapital One Financial CorpStock37,719$6.73M0.2%History
ETNEaton Corp plcStock20,153$6.69M0.2%History
AMGNAmgen IncStock24,073$6.27M0.2%History
GEGeneral Electric CoStock36,453$6.08M0.2%History
iShares Tr4642874407-10 YR TRSY BD65,726$6.08M0.2%–
DRIDarden Restaurants IncCOM30,892$5.77M0.2%History
WSCWillScot Holdings CorpCOM CL A166,067$5.55M0.2%History
TGTXTG Therapeutics, Inc.COM180,098$5.42M0.2%History
ARK Innovation ETF00214Q104ETF86,790$4.93M0.1%–
XPOXPO, Inc.COM37,406$4.91M0.1%History
JBLJabil IncStock32,646$4.70M0.1%History
STLDSteel Dynamics IncCOM40,720$4.64M0.1%History
STZConstellation Brands, Inc.Stock20,544$4.54M0.1%History
NCLHNorwegian Cruise Line Holdings Ltd.SHS171,842$4.42M0.1%History
CAVACava Group, Inc.COM38,526$4.34M0.1%History
ProShares Tr74347G192ULTRAPRO SHT QQQ137,122$4.27M0.1%–
VICIVici Properties Inc.COM144,600$4.22M0.1%History
DKSDick's Sporting Goods, Inc.Stock18,196$4.16M0.1%History
MRKMerck & Co., Inc.Stock41,291$4.11M0.1%History
PCGPG&E CorpStock195,320$3.94M0.1%History
BOXBox IncCL A123,137$3.89M0.1%History
NVSNovartis AGADR39,701$3.86M0.1%History
State Street Communication Services Select Sector SPDR ETF81369Y852ETF39,855$3.86M0.1%–
TRGPTarga Resources Corp.COM21,454$3.83M0.1%History
ETSYEtsy IncCOM68,994$3.65M0.1%History
FCNCAFirst Citizens Bancshares IncCL A1,720$3.63M0.1%History
PLAYDave & Buster's Entertainment, Inc.COM119,523$3.49M0.1%History
PINSPinterest, Inc.CL A119,130$3.45M0.1%History
GSLGlobal Ship Lease, Inc.COM CL A155,752$3.40M0.1%History
NTNXNutanix, Inc.Stock54,639$3.34M0.1%History
CRSPCRISPR Therapeutics AGNAMEN AKT83,134$3.27M0.1%History
SIRISirius XM Holdings Inc.COMMON STOCK140,381$3.20M0.1%History
LMTLockheed Martin CorpStock6,346$3.08M0.1%History
STXSeagate Technology Holdings plcORD SHS35,339$3.05M0.1%History
CECelanese CorpStock43,696$3.02M0.1%History
INVHInvitation Homes Inc.COM94,410$3.02M0.1%History
Invesco Exchange Traded FD T46137V357S&P500 EQL WGT16,996$2.98M0.1%–
GILDGilead Sciences, Inc.Stock32,076$2.96M0.1%History
FHNFirst Horizon CorpCOM146,930$2.96M0.1%History
AXONAxon Enterprise, Inc.COM4,964$2.95M0.1%History
EATBrinker International, IncStock21,669$2.87M0.1%History
GSGoldman Sachs Group IncStock4,995$2.86M0.1%History
BROSDutch Bros Inc.CL A51,950$2.72M0.1%History
KBHKB HomeCOM40,393$2.65M0.1%History
SIGSignet Jewelers LtdSHS32,449$2.62M0.1%History
CMECME Group Inc.COM11,162$2.59M0.1%History
PYPLPayPal Holdings, Inc.Stock29,499$2.52M0.1%History
DOWDow Inc.Stock62,223$2.49M0.1%History
CLXClorox CoStock14,958$2.43M0.1%History
KLACKLA CorpCOM NEW3,825$2.41M0.1%History
BPBP PLCADR81,070$2.40M0.1%History
TEAMAtlassian CorpCL A9,717$2.36M0.1%History
SVXYProShares Trust IISHT VIX ST TRM45,228$2.26M0.1%History
REGNRegeneron Pharmaceuticals, Inc.COM3,131$2.23M0.1%History
PNRPENTAIR plcSHS21,666$2.18M0.1%History
CIENCiena CorpCOM NEW25,600$2.17M0.1%History
IMVTImmunovant, Inc.COM86,847$2.15M0.1%History
Schwab US Dividend Equity ETF808524797ETF76,471$2.09M0.1%–
WRBYWarby Parker Inc.CL A COM84,800$2.05M0.1%History
TSCOTractor Supply CoCOM38,489$2.04M0.1%History
SMARSmartsheet IncCOM CL A36,079$2.02M0.1%History
URBNUrban Outfitters IncCOM36,597$2.01M0.1%History
STNEStoneCo Ltd.COM250,724$2.00M0.1%History
XELXcel Energy IncStock29,314$1.98M0.1%History
AGIAlamos Gold IncStock106,095$1.96M0.1%History
VanEck ETF Trust92189F791JUNIOR GOLD MINE45,393$1.94M0.1%–