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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
Schwab U.S. Small-Cap ETF808524607ETF27$00.0%+27New–
iShares S&P 500 Growth ETF464287309ETF1$00.0%+1New–
NSSCNapco Security Technologies, IncStock24$00.0%+24NewHistory
Kraneshares Trust500767678GLOBAL CARB STRA15$00.0%+15New–
CCAPCrescent Capital BDC, Inc.COM51$00.0%+27+112.5%AddedHistory
Invesco Exchange Traded FD T46137V472S&P MDCP QUALITY1$00.0%−545−99.8%Reduced–
RSKDRiskified Ltd.SHS CL A80$00.0%−33,479−99.8%ReducedHistory
iShares Inc464286665MSCI PAC JP ETF1$00.0%00.0%Unchanged–
MCMoelis & CoCL A11$00.0%+11NewHistory
MYEMyers Industries IncCOM3$00.0%+3NewHistory
SAHSonic Automotive IncCL A15$00.0%+15NewHistory
Invesco Exchange Traded FD T46137V381S&P500 EQL DIS1$00.0%00.0%Unchanged–
Invesco Exchange Traded FD T46137V431S&P 500 GARP ETF8$00.0%+8New–
HLMNHillman Solutions Corp.COM62$00.0%−454−88.0%ReducedHistory
SIFYSify Technologies LtdSPONSORED ADR48$00.0%+48NewHistory
Goldman Sachs ETF Tr38149W622S&P 500 PREMIUM6$00.0%+6New–
CNOCNO Financial Group, Inc.COM1$00.0%+1NewHistory
RDNTRadNet, Inc.COM4$00.0%+4NewHistory
FSVFirstService CorpCOM3$00.0%+3NewHistory
KRGKite Realty Group TrustCOM NEW32$00.0%−21−39.6%ReducedHistory
PWPPerella Weinberg PartnersCLASS A COM51$00.0%+51NewHistory
First Tr Exchng Traded FD VI33740F276FT ENER INCO ETF20$00.0%+20New–
iShares Tr464287325GLOB HLTHCRE ETF5$00.0%−139−96.5%Reduced–
BELFBBel Fuse IncCL B5$00.0%−9−64.3%ReducedHistory
Invesco Exchange Traded FD T46137V449S&P 100 EQL WIGH1$00.0%−219−99.5%Reduced–
ERASErasca, Inc.COM258$00.0%−4,197−94.2%ReducedHistory
PACBPacific Biosciences of California, Inc.COM762$00.0%−80,260−99.1%ReducedHistory
SLFSun Life Financial IncCOM5$00.0%+5NewHistory
SKWDSkyward Specialty Insurance Group, Inc.COM13$00.0%−40−75.5%ReducedHistory
COGTCogent Biosciences, Inc.COM12$00.0%−46,598−100.0%ReducedHistory
Global X FDS37954Y392VDEO GAM ESPRT22$00.0%−72−76.6%Reduced–
KTKT CorpSPONSORED ADR3$00.0%+3NewHistory
NOANorth American Construction Group Ltd.COM2$00.0%+1+100.0%AddedHistory
TTGTTechTarget, Inc.COM NEW10$00.0%−86−89.6%ReducedHistory
INVAInnoviva, Inc.COM30$00.0%+30NewHistory
AMXAmerica Movil SAB de CVSPON ADS RP CL B70$00.0%−288−80.4%ReducedHistory
ENICEnel Chile S.A.SPONSORED ADR223$00.0%−1,671−88.2%ReducedHistory
iShares Tr464288844US OIL EQ&SV ETF12$00.0%+12New–
GDYNGrid Dynamics Holdings, Inc.CL A13$00.0%−5,026−99.7%ReducedHistory
STGWStagwell IncCOM CL A63$00.0%+63NewHistory
KRNYKearny Financial Corp.COM15$00.0%+15NewHistory
BCCBoise Cascade CoCOM10$00.0%−67−87.0%ReducedHistory
ACIUAC Immune SASHS284$00.0%+284NewHistory
EGHT8X8 IncCOM238$00.0%−4,003−94.4%ReducedHistory
AGENAgenus IncCOM NEW88$00.0%+88NewHistory
ALXOAlx Oncology Holdings IncCOM391$00.0%−14,176−97.3%ReducedHistory
AROWArrow Financial CorpCOM22$00.0%+22NewHistory
BATRAAtlanta Braves Holdings, Inc.COM SER A6$00.0%+6NewHistory
AURAAura Biosciences, Inc.COM54$00.0%+54NewHistory
BCHBank of ChileSPONSORED ADS29$00.0%+29NewHistory
BGSFBGSF, Inc.COM97$00.0%−915−90.4%ReducedHistory
BRTBRT Apartments Corp.COM47$00.0%+47NewHistory
CLARClarus CorpCOM201$00.0%−5,242−96.3%ReducedHistory
CCOClear Channel Outdoor Holdings, Inc.COM113$00.0%00.0%UnchangedHistory
COSMCosmos Health Inc.COM205$00.0%−1,213−85.5%ReducedHistory
CYPHCypherpunk Technologies Inc.COM NEW686$00.0%−3,402−83.2%ReducedHistory
CTKBCytek Biosciences, Inc.COM131$00.0%+131NewHistory
HEPSD-MARKET Electronic Services & TradingSPONSORED ADS70$00.0%+70NewHistory
DHXDhi Group, Inc.COM67$00.0%−4,228−98.4%ReducedHistory
EGANEGAIN CorpCOM NEW13$00.0%+13NewHistory
ELVNEnliven Therapeutics, Inc.COM50$00.0%+50NewHistory
EQEquillium, Inc.COM1,495$00.0%−595−28.5%ReducedHistory
FCFranklin Covey CoCOM20$00.0%+20NewHistory
GALTGalectin Therapeutics IncCOM NEW779$00.0%−17,205−95.7%ReducedHistory
GNSSGenasys Inc.COM4$00.0%+4NewHistory
GHRSGH Research PLCORDINARY SHARES17$00.0%+17NewHistory
HYPRHyperfine, Inc.COM CL A222$00.0%+222NewHistory
IGCIGC Pharma, Inc.COM NEW712$00.0%−200−21.9%ReducedHistory
IRIXIridex CorpCOM125$00.0%−380−75.2%ReducedHistory
KRNTKornit Digital Ltd.SHS35$00.0%−1,208−97.2%ReducedHistory
LAKELakeland Industries IncCOM19$00.0%+19NewHistory
LRMRLarimar Therapeutics, Inc.COM264$00.0%+264NewHistory
LQDTLiquidity Services IncCOM23$00.0%−1,021−97.8%ReducedHistory
LVWRLiveWire Group, Inc.COM97$00.0%−9,367−99.0%ReducedHistory
MCHXMarchex IncCL B2$00.0%−1,683−99.9%ReducedHistory
MCSMarcus CorpCOM18$00.0%−907−98.1%ReducedHistory
MNOVMedicinova IncCOM NEW16$00.0%−337−95.5%ReducedHistory
NPCENeuroPace IncCOM61$00.0%+25+69.4%AddedHistory
OABIOmniAb, Inc.COM231$00.0%−1,100−82.6%ReducedHistory
OLPOne Liberty Properties IncCOM16$00.0%−1,062−98.5%ReducedHistory
ORICOric Pharmaceuticals, Inc.COM146$00.0%+146NewHistory
RMAXRE/MAX Holdings, Inc.CL A47$00.0%−31−39.7%ReducedHistory
RDIReading International IncCL A18$00.0%+18NewHistory
RZLTRezolute, Inc.COM NEW32$00.0%−1,613−98.1%ReducedHistory
SEPNSepterna, Inc.COM30$00.0%+30NewHistory
SERASera Prognostics, Inc.CLASS A COM64$00.0%−5,723−98.9%ReducedHistory
SHOEShoe Station Group IncCOM6$00.0%−25,586−100.0%ReducedHistory
SYSo-Young International Inc.SPONSORED ADS171$00.0%00.0%UnchangedHistory
SPRUSpruce Power Holding CorpCOM NEW107$00.0%−67−38.5%ReducedHistory
SCLStepan CoCOM3$00.0%+3NewHistory
SGCSuperior Group of Companies, Inc.COM28$00.0%+28NewHistory
TRCTejon Ranch CoCOM39$00.0%−758−95.1%ReducedHistory
TELATELA Bio, Inc.COM310$00.0%+310NewHistory
TXMDTherapeuticsMD, Inc.COM NEW233$00.0%+188+417.8%AddedHistory
TBPHTheravance Biopharma, Inc.COM106$00.0%+106NewHistory
TZOOTravelzooCOM NEW26$00.0%−1,758−98.5%ReducedHistory
UFIUnifi IncCOM NEW133$00.0%−90−40.4%ReducedHistory
VFFVillage Farms International, Inc.COM626$00.0%−1,532−71.0%ReducedHistory
VINPVinci Compass Investments Ltd.COM CL A92$00.0%+92NewHistory
XNCRXencor IncCOM5$00.0%+5NewHistory

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%–