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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

Holdings in Q3 2025

Holdings as of Sep 30, 2025, filed Nov 12, 2025. Long positions only; changes compare share counts with Q2 2025.

Institution overview
Positions
2,622
+194 vs. Q2 2025
Portfolio value
$4.53B
+$818.7M (+22.0%) vs. Q2 2025
Filed
Nov 12, 2025
SEC
Holdings of Simplex Trading, LLC in Q3 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
Vanguard Mortgage-Backed Securities ETF92206C771ETF14$00.0%+14New–
Tidal Trust II88634T840YIELDMAX AMZN OP51$00.0%+51New–
SIBNSI-BONE, Inc.COM27$00.0%+27NewHistory
KMDAKamada LtdSHS20$00.0%+20NewHistory
DIODDiodes IncCOM1$00.0%−35−97.2%ReducedHistory
Global X FDS37954Y806ALTERNATIVE INCM25$00.0%+25New–
Schwab Strategic Tr808524862SHT TM US TRES20$00.0%−70−77.8%Reduced–
iShares Tr46429B614MSCI INDIA SM CP10$00.0%+10New–
Listed FDS Tr53656F623HORI KI INFL ETF17$00.0%−20−54.1%Reduced–
NWENorthWestern Energy Group, Inc.COM NEW2$00.0%+2NewHistory
WERNWerner Enterprises IncCOM15$00.0%+15NewHistory
NXRTNexPoint Residential Trust, Inc.COM16$00.0%+16NewHistory
DNLIDenali Therapeutics Inc.COM41$00.0%−2,461−98.4%ReducedHistory
SYBTStock Yards Bancorp, Inc.COM3$00.0%+3NewHistory
BELFBBel Fuse IncCL B5$00.0%+5NewHistory
SPDR Series Trust78464A805ST STR PR SP15002$00.0%+2New–
Cambria ETF Tr132061862TAIL RISK36$00.0%−1,706−97.9%Reduced–
ABCBAmeris BancorpCOM10$00.0%+10NewHistory
ADUSAddus HomeCare CorpCOM6$00.0%+6NewHistory
VREXVarex Imaging CorpCOM44$00.0%−1,873−97.7%ReducedHistory
KTKT CorpSPONSORED ADR3$00.0%−129−97.7%ReducedHistory
ANIKAnika Therapeutics, Inc.COM104$00.0%+104NewHistory
Amplify ETF Tr032108847CEF HIGH INCOME10$00.0%−396−97.5%Reduced–
BKVBKV CorpCOM17$00.0%−153−90.0%ReducedHistory
FBPFirst BancorpCOM NEW9$00.0%−60−87.0%ReducedHistory
TFINTriumph Financial, Inc.COM14$00.0%+14NewHistory
EPAMEPAM Systems, Inc.COM6$00.0%−4,204−99.9%ReducedHistory
INDBIndependent Bank CorpCOM1$00.0%−213−99.5%ReducedHistory
First Tr Exch TRD Alphdx FD33737J802INDIA NFTY50 EQW3$00.0%+3New–
J P Morgan Exchange Traded F46641Q167ACTIVE VALUE ETF5$00.0%−170−97.1%Reduced–
MTUSMetallus Inc.COM5$00.0%−987−99.5%ReducedHistory
BSBRBanco Santander (Brasil) S.A.ADS REP 1 UNIT24$00.0%+24NewHistory
AIRGAirgain IncCOM175$00.0%−580−76.8%ReducedHistory
AMALAmalgamated Financial Corp.COM7$00.0%+7NewHistory
BSETBassett Furniture Industries IncCOM29$00.0%+29NewHistory
BCMLBayCom CorpCOM2$00.0%+2NewHistory
BRBSBlue Ridge Bankshares, Inc.COM126$00.0%+126NewHistory
CFFNCapitol Federal Financial, Inc.COM89$00.0%+89NewHistory
CENTCentral Garden & Pet CoCOM5$00.0%−93−94.9%ReducedHistory
CNTYCentury Casinos IncCOM150$00.0%−6,570−97.8%ReducedHistory
CBANColony Bankcorp IncCOM5$00.0%+5NewHistory
COYACoya Therapeutics, Inc.COMMON STOCK119$00.0%+119NewHistory
CXDOCrexendo, Inc.COM8$00.0%−10,357−99.9%ReducedHistory
CRWSCrown Crafts IncCOM214$00.0%+200+1,428.6%AddedHistory
CXAICXApp Inc.COM CL A1,342$00.0%−43,692−97.0%ReducedHistory
DLPNDolphin Entertainment, Inc.COM488$00.0%+488NewHistory
DYAIDyadic International IncCOM804$00.0%−1,195−59.8%ReducedHistory
FTCIFTC Solar, Inc.COM NEW56$00.0%−470−89.4%ReducedHistory
SELFGlobal Self Storage, Inc.COM10$00.0%+10NewHistory
HAFCHanmi Financial CorpCOM NEW4$00.0%+4NewHistory
HVTHaverty Furniture Companies IncCOM15$00.0%+15NewHistory
IGCIGC Pharma, Inc.COM NEW212$00.0%−400−65.4%ReducedHistory
IOSPInnospec Inc.COM4$00.0%+4NewHistory
INNVInnovAge Holding Corp.COM47$00.0%+47NewHistory
IRIXIridex CorpCOM759$00.0%+759NewHistory
ISPRIspire Technology Inc.COM182$00.0%+182NewHistory
TOONKartoon Studios, Inc.COM NEW356$00.0%+356NewHistory
LCUTLifetime Brands, IncCOM57$00.0%−63−52.5%ReducedHistory
LQDTLiquidity Services IncCOM11$00.0%−55−83.3%ReducedHistory
LVOLiveOne, Inc.COM NEW3$00.0%−3,462−99.9%ReducedConverted for a 1-for-10 splitHistory
LXULSB Industries, Inc.COM45$00.0%−2,890−98.5%ReducedHistory
MLSSMilestone Scientific Inc.COM NEW1$00.0%+1NewHistory
MYOMyomo, Inc.COM NEW30$00.0%−376−92.6%ReducedHistory
OLPOne Liberty Properties IncCOM37$00.0%−45−54.9%ReducedHistory
OBIOOrchestra BioMed Holdings, Inc.COM324$00.0%+324NewHistory
PRLDPrelude Therapeutics IncCOM153$00.0%+153NewHistory
RFLRafael Holdings, Inc.COM CL B34$00.0%−18,708−99.8%ReducedHistory
RANIRani Therapeutics Holdings, Inc.COM CL A819$00.0%+819NewHistory
RYZRyerson Holding CorpCOM22$00.0%+22NewHistory
SACHSachem Capital Corp.COM88$00.0%+88NewHistory
TRCTejon Ranch CoCOM61$00.0%+61NewHistory
TZOOTravelzooCOM NEW77$00.0%−149−65.9%ReducedHistory
TTECTTEC Holdings, Inc.COM159$00.0%−8,945−98.3%ReducedHistory
USIOUsio, Inc.COM106$00.0%−354−77.0%ReducedHistory
VINPVinci Compass Investments Ltd.COM CL A63$00.0%+63NewHistory
WMKWeis Markets IncCOM1$00.0%−36−97.3%ReducedHistory
WHWKWhitehawk Therapeutics, Inc.COM35$00.0%+35NewHistory
XBITXBiotech Inc.COM322$00.0%−542−62.7%ReducedHistory
ZUMZZumiez IncCOM6$00.0%−1,001−99.4%ReducedHistory
ALEXAlexander & Baldwin, Inc.COM7$00.0%−103−93.6%ReducedHistory
ATOSAtossa Therapeutics, Inc.COM322$00.0%+322NewHistory
BP Prudhoe Bay Rty Tr055630107UNIT BEN INT2,313$00.0%+100+4.5%Added–
CBATCBAK Energy Technology LtdCOM531$00.0%−1,613−75.2%ReducedHistory
CIOCity Office REIT, Inc.COM33$00.0%−6,194−99.5%ReducedHistory
HONEHarborOne Bancorp, Inc.COM NEW57$00.0%+57NewHistory
Invesco Exch Traded FD Tr II46138E545MSCI GBL TIMBR27$00.0%−400−93.7%Reduced–
MV Oil Tr553859109TR UNITS93$00.0%−2,990−97.0%Reduced–
RJETRepublic Airways Holdings Inc.COM NEW261$00.0%−8,811−97.1%ReducedHistory
MRCCMonroe Capital CorpCOM27$00.0%−3,463−99.2%ReducedHistory
PHLTPerformant Healthcare IncCOM21$00.0%+21NewHistory
ProShares Tr74347R313PSHS ULSHT 7-10Y33$00.0%00.0%Unchanged–
YCLProShares Trust IIULTRA YEN NEW2$00.0%−1,208−99.8%ReducedHistory
SCYXScynexis IncCOM NEW104$00.0%−1,863−94.7%ReducedHistory
TOURTuniu CorpSPONSORED ADS A217$00.0%+217NewHistory
UONEKUrban One, Inc.CL D NON VTG227$00.0%−110−32.6%ReducedHistory
VNRXVolitionrx LtdCOM243$00.0%−391−61.7%ReducedHistory
CMBMFCambium Networks CorpSHS967$00.0%−712−42.4%ReducedHistory
ENTXEntera Bio Ltd.SHS69$00.0%+69NewHistory
GLBSGlobus Maritime LtdCOM NEW103$00.0%+103NewHistory
CLGNCollPlant Biotechnologies LtdSHS NEW90$00.0%−3−3.2%ReducedHistory

Options (6,428)

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 6,428 by value.

Option positions of Simplex Trading, LLC in Q3 2025
SecurityClassPutsCalls
SPDR S&P 500 ETF Tr78462F953PUT$31.1B–
SPDR S&P 500 ETF Tr78462F903CALL–$12.2B
Invesco QQQ Tr46090E953PUT$10.9B–
iShares Tr464287957PUT$5.96B–
Tesla Inc88160R951PUT$5.39B–
NVIDIA Corporation67066G954PUT$5.12B–
Tesla Inc88160R901CALL–$5.08B
Invesco QQQ Tr46090E903UNIT SER 1–$4.79B
NVIDIA Corporation67066G904CALL–$4.79B
iShares Tr464287907CALL–$3.59B
SPDR Gold Tr78463V907CALL–$2.50B
Apple Inc037833950PUT$2.48B–
Apple Inc037833900CALL–$2.38B
Alphabet Inc02079K905CALL–$2.35B
Facebook Inc30303M902CALL–$2.25B
SPDR Gold Tr78463V957GOLD SHS$2.13B–
Microsoft Corp594918904CALL–$1.88B
Amazon Com Inc023135906CALL–$1.78B
Microsoft Corp594918954PUT$1.63B–
Facebook Inc30303M952PUT$1.58B–
Alphabet Inc02079K955PUT$1.58B–
Select Sector SPDR Tr81369Y956PUT$1.52B–
MicroStrategy Inc594972958PUT$1.49B–
Amazon Com Inc023135956PUT$1.12B–
iShares Bitcoin Trust ETF46438F901CALL–$1.12B
Netflix Inc64110L956PUT$1.08B–
UnitedHealth Group Inc91324P902COM–$1.03B
Broadcom Inc11135F951PUT$999.9M–
Palantir Technologies Inc69608A958PUT$949.7M–
Palantir Technologies Inc69608A908CALL–$906.0M
Broadcom Inc11135F901CALL–$897.6M
Advanced Micro Devices Inc007903907CALL–$886.9M
MicroStrategy Inc594972908CALL–$876.1M
VanEck Vectors ETF Tr92189F952PUT$852.8M–
iShares Silver Tr46428Q909CALL–$851.6M
Select Sector SPDR Tr81369Y906CALL–$840.3M
Alibaba Group Hldg Ltd01609W902CALL–$816.4M
Netflix Inc64110L906CALL–$792.4M
VanEck Vectors ETF Tr92189F902CALL–$743.7M
Advanced Micro Devices Inc007903957PUT$676.3M–
Taiwan Semiconductor Mfg Ltd874039950PUT$675.1M–
Oracle Corp68389X905CALL–$670.2M
iShares Bitcoin Trust ETF46438F951PUT$666.9M–
UnitedHealth Group Inc91324P952PUT$605.7M–
Robinhood MKTS Inc770700902CALL–$601.4M
Oracle Corp68389X955PUT$557.4M–
Alibaba Group Hldg Ltd01609W952PUT$535.0M–
Robinhood MKTS Inc770700952COM$481.9M–
Micron Technology Inc595112903CALL–$480.7M
Intel Corp458140900CALL–$463.0M
SPDR Ser Tr78464A958PUT$446.0M–
iShares Tr464288955PUT$397.1M–
Applovin Corp03831W908CALL–$394.9M
SPDR Ser Tr78464A908CALL–$394.5M
Taiwan Semiconductor Mfg Ltd874039900CALL–$388.9M
JPMorgan Chase & Co46625H950PUT$361.7M–
Applovin Corp03831W958PUT$361.6M–
Coinbase Global Inc19260Q957PUT$347.6M–
Micron Technology Inc595112953PUT$339.4M–
Boeing Co097023905COM–$329.9M
Coinbase Global Inc19260Q907CALL–$328.2M
Berkshire Hathaway Inc Del084670902CALL–$317.5M
iShares Silver Tr46428Q959ISHARES$301.2M–
Citigroup Inc172967904CALL–$295.0M
ASML Holding N VN07059950PUT$292.6M–
Pinduoduo Inc722304952PUT$282.1M–
ARK ETF Tr00214Q957PUT$274.9M–
Coreweave Inc21873S908CALL–$270.6M
Goldman Sachs Group Inc38141G954PUT$256.6M–
Costco WHSL Corp New22160K905CALL–$254.3M
SPDR Dow Jones Indl Average78467X909CALL–$250.9M
Intel Corp458140950PUT$250.9M–
Citigroup Inc172967954PUT$247.9M–
Cisco Sys Inc17275R952PUT$243.5M–
ProShares Tr74347X900CALL–$239.7M
JPMorgan Chase & Co46625H900CALL–$238.9M
Nike Inc654106903CALL–$236.6M
Coreweave Inc21873S958PUT$232.5M–
Wolfspeed Inc97785W956Option$222.3M–
Pinduoduo Inc722304902CALL–$220.7M
iShares Tr464288905CALL–$219.1M
Iris Energy LtdQ4982L959PUT$216.7M–
Salesforce Com Inc79466L902CALL–$215.8M
ASML Holding N VN07059900CALL–$209.0M
Kraneshares Tr500767906CALL–$204.8M
SPDR Dow Jones Indl Average78467X959PUT$198.6M–
CrowdStrike Hldgs Inc22788C905CALL–$197.3M
Uber Technologies Inc90353T900CALL–$190.9M
BK of America Corp060505954PUT$188.3M–
Walmart Inc931142903CALL–$187.7M
International Business Machs459200901CALL–$187.6M
BK of America Corp060505904CALL–$186.0M
PayPal Hldgs Inc70450Y903CALL–$183.6M
Nike Inc654106953PUT$182.8M–
Lilly Eli & Co532457958PUT$182.1M–
Walmart Inc931142953PUT$181.7M–
Lilly Eli & Co532457908CALL–$179.5M
ProShares Tr74347X950PUT$177.1M–
Boeing Co097023955PUT$176.9M–
Goldman Sachs Group Inc38141G904CALL–$176.9M

Sold out since Q2 2025 (806)

Positions held at the end of Q2 2025 that are gone from this filing.

The largest 100 of 806 by value last quarter.

Positions of Simplex Trading, LLC sold out since Q2 2025
SecurityClassShares in Q2 2025Value in Q2 2025% of portfolio in Q2 2025History
iShares Tr46428743220 YR TR BD ETF1,457,996$128.7M3.5%–
METAMeta Platforms, Inc.Stock79,568$58.7M1.6%History
iShares Inc464286400MSCI BRAZIL ETF955,457$27.6M0.7%–
GLDSPDR Gold TrustETF85,931$26.2M0.7%History
State Street Financial Select Sector SPDR ETF81369Y605ETF453,315$23.7M0.6%–
Kraneshares Trust500767306CSI CHI INTERNET645,901$22.2M0.6%–
BBarrick Mining CorpStock1,011,038$21.0M0.6%History
WMTWalmart Inc.Stock202,277$19.8M0.5%History
ASMLASML Holding NVADR21,017$16.8M0.5%History
USBUS Bancorp DECOM NEW319,512$14.5M0.4%History
State Street Industrial Select Sector SPDR ETF81369Y704ETF97,333$14.4M0.4%–
IAUiShares Gold TrustETF210,513$13.1M0.4%History
SOUNSoundhound AI, Inc.CLASS A COM1,215,270$13.0M0.4%History
BSXBoston Scientific CorpStock118,658$12.7M0.3%History
NEMNEWMONT CorpStock196,522$11.4M0.3%History
BIDUBaidu, Inc.ADR124,357$10.7M0.3%History
CNCCentene CorpStock141,894$7.70M0.2%History
KVUEKenvue Inc.Stock366,113$7.66M0.2%History
State Street Materials Select Sector SPDR ETF81369Y100ETF86,906$7.63M0.2%–
TDGTransDigm Group INCCOM4,966$7.55M0.2%History
WDAYWorkday, Inc.CL A31,359$7.53M0.2%History
BPMCBlueprint Medicines CorpCOM55,989$7.18M0.2%History
CHTRCharter Communications, Inc.CL A17,111$7.00M0.2%History
iShares Tr464288414NATIONAL MUN ETF56,446$5.90M0.2%–
STXSeagate Technology Holdings plcORD SHS37,369$5.39M0.1%History
MDBMongoDB, Inc.CL A24,049$5.05M0.1%History
iShares Tr46429B671MSCI CHINA ETF91,103$5.02M0.1%–
RUNSunrun Inc.COM530,872$4.34M0.1%History
HDHome Depot, Inc.Stock11,202$4.11M0.1%History
Direxion Daily Semiconductor Bear 3X Shares25460G112ETF503,236$3.97M0.1%–
SIISprott Inc.COM NEW57,284$3.96M0.1%History
SANMSanmina CorpCOM39,845$3.90M0.1%History
Global X FDS37954Y848GLOBAL X SILVER78,910$3.80M0.1%–
Cyberark Software LtdM2682V108SHS9,159$3.73M0.1%–
Paramount Global92556H206CL B288,587$3.72M0.1%–
VLOValero Energy CorpStock24,279$3.26M0.1%History
PINSPinterest, Inc.CL A86,024$3.08M0.1%History
PPLTabrdn Platinum ETF TrustPHYSCL PLATM SHS25,074$3.08M0.1%History
ELEstee Lauder Companies IncCL A36,802$2.97M0.1%History
GILDGilead Sciences, Inc.Stock26,577$2.95M0.1%History
ALLYAlly Financial Inc.Stock72,167$2.81M0.1%History
URGNUroGen Pharma Ltd.COM185,030$2.53M0.1%History
DXCMDexcom IncCOM28,566$2.49M0.1%History
TECKTeck Resources LtdCL B61,003$2.46M0.1%History
ANETArista Networks, Inc.Stock24,044$2.46M0.1%History
BXBlackstone Inc.COM16,222$2.43M0.1%History
QSQuantumScape CorpCOM CL A358,479$2.41M0.1%History
URIUnited Rentals, Inc.COM3,010$2.27M0.1%History
EXKEndeavour Silver CorpCOM451,500$2.22M0.1%History
WYNNWynn Resorts LtdCOM23,488$2.20M0.1%History
MOSMosaic CoCOM60,217$2.20M0.1%History
FLFoot Locker, Inc.COM86,486$2.12M0.1%History
FXYInvesco CurrencyShares Japanese Yen TrustJAPANESE YEN32,893$2.10M0.1%History
NUENucor CorpCOM15,919$2.06M0.1%History
UUPInvesco DB US Dollar Index Bullish FundBULLISH FD76,204$2.05M0.1%History
SNDKSandisk CorpCOM42,337$1.92M0.1%History
HLHecla Mining CoCOM319,855$1.92M0.1%History
PONYPony AI Inc.SPONSORED ADS144,207$1.90M0.1%History
MGAMagna International IncCOM46,586$1.80M<0.1%History
iShares Tr4642874407-10 YR TRSY BD17,500$1.68M<0.1%–
LQDALiquidia CorpCOM NEW120,309$1.50M<0.1%History
UGIUgi CorpStock41,114$1.50M<0.1%History
MLMMartin Marietta Materials IncCOM2,703$1.48M<0.1%History
LOWLowes Companies IncStock6,647$1.47M<0.1%History
ETF Opportunities Trust26923N819T REX 2X LONG96,103$1.40M<0.1%–
TDUPThredUp Inc.CL A186,107$1.39M<0.1%History
PARRPar Pacific Holdings, Inc.COM NEW51,702$1.37M<0.1%History
SNPSSynopsys IncCOM2,662$1.36M<0.1%History
NVAXNovavax IncCOM NEW216,099$1.36M<0.1%History
PALLabrdn Palladium ETF TrustPHYSICAL PALLADM13,421$1.35M<0.1%History
RACEFerrari N.V.COM2,733$1.34M<0.1%History
SYMSymbotic Inc.Stock34,245$1.33M<0.1%History
WRBYWarby Parker Inc.CL A COM60,289$1.32M<0.1%History
BDXBecton Dickinson & CoStock7,456$1.28M<0.1%History
ROKURoku, IncCOM CL A14,569$1.28M<0.1%History
BANCBanc of California, Inc.COM90,416$1.27M<0.1%History
SPDR Index Shs FDS78463X202ST STR EU 50 ETF20,941$1.25M<0.1%–
PRPermian Resources CorpCLASS A COM91,499$1.25M<0.1%History
ANFAbercrombie & Fitch CoCL A14,904$1.23M<0.1%History
EOGEOG Resources IncStock10,192$1.22M<0.1%History
Spinnaker ETF Series84858T772SELE STO EUR ETF28,140$1.21M<0.1%–
KROSKeros Therapeutics, Inc.COM90,735$1.21M<0.1%History
VRSKVerisk Analytics, Inc.COM3,842$1.20M<0.1%History
SONYSony Group CorpSPONSORED ADR45,172$1.18M<0.1%History
SANBanco Santander, S.A.ADR140,540$1.17M<0.1%History
NVMINova Ltd.COM4,169$1.15M<0.1%History
SLMSLM CorpCOM34,950$1.15M<0.1%History
LYBLyondellBasell Industries N.V.SHS - A -19,645$1.14M<0.1%History
BRBRBellring Brands, Inc.Stock19,432$1.13M<0.1%History
CPRTCopart IncCOM22,746$1.12M<0.1%History
Direxion Shs ETF Tr25460E265DLY S&P500 BR 3X227,958$1.07M<0.1%–
ALLAllstate CorpStock5,269$1.06M<0.1%History
ITOSiTeos Therapeutics, Inc.COM103,212$1.03M<0.1%History
Direxion Shs ETF Tr25460G781DLY GOLD INDX 2X13,508$1.00M<0.1%–
BHFBrighthouse Financial, Inc.COM18,334$985.0K<0.1%History
AXPAmerican Express CoStock3,075$980.0K<0.1%History
ALGTAllegiant Travel COCOM17,648$969.0K<0.1%History
FNBFNB CorpCOM65,986$962.0K<0.1%History
FIVEFive Below, IncCOM7,296$957.0K<0.1%History
ProShares Tr74347X823ULTRPRO DOW309,991$943.0K<0.1%–