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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

Holdings in Q1 2026

Holdings as of Mar 31, 2026, filed May 14, 2026. Long positions only; changes compare share counts with Q4 2025.

Institution overview
Positions
2,613
+164 vs. Q4 2025
Portfolio value
$3.23B
−$324.6M (−9.1%) vs. Q4 2025
Filed
May 14, 2026
SEC
Holdings of Simplex Trading, LLC in Q1 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
AUDCAudiocodes LtdORD66$555<0.1%−2,225−97.1%ReducedHistory
RMAXRE/MAX Holdings, Inc.CL A97$558<0.1%+97NewHistory
FCELFuelcell Energy IncCOM NEW87$568<0.1%−28,695−99.7%ReducedHistory
iShares U.S. ETF Trust iShares Gsci Commodity Dynamic Roll Strategy ETF46431W853ETF17$574<0.1%+17New–
CBATCBAK Energy Technology LtdCOM704$582<0.1%−1,206−63.1%ReducedHistory
KTCCKey Tronic CorpCOM217$592<0.1%+211+3,516.7%AddedHistory
ETF Opportunities Trust26923N439ETP21$597<0.1%−387−94.9%Reduced–
Invesco Exchange Traded FD T46137Y609S&P 500A EQL16$598<0.1%+16New–
Invesco Exch Traded FD Tr II46138E545MSCI GBL TIMBR21$601<0.1%+21New–
Ea Series Trust02072L193INTELLIGENT LIVE20$610<0.1%+20New–
SBSafe Bulkers, Inc.COM97$614<0.1%+97NewHistory
CACCamden National CorpCOM13$616<0.1%+13NewHistory
Graniteshares ETF Tr38747R4882X LONG LCID DAI276$618<0.1%+276New–
ZHZhihu Inc.SPONSORED ADS226$641<0.1%−10,502−97.9%ReducedHistory
WisdomTree Tr97717W786INTL DIV EX FINL12$649<0.1%+12New–
KENKenon Holdings Ltd.SHS8$658<0.1%−80−90.9%ReducedHistory
iShares Tr46434V282U S EQUITY FACTR10$660<0.1%−24−70.6%Reduced–
Investment Managers Ser Tr I46092D376TRADR 2X LONG BE40$664<0.1%+40New–
iShares Tr464288711GLOB UTILITS ETF8$690<0.1%+8New–
SKINSkinHealth Systems Inc.COM CL A783$696<0.1%+783NewHistory
Graniteshares ETF Tr38747R637YIELD BOOST QQQ55$704<0.1%+55New–
CRICarters IncCOM20$715<0.1%−4,115−99.5%ReducedHistory
Direxion Shs ETF Tr25461A601DAILY GOOGL BR1X100$729<0.1%+100New–
Graniteshares ETF Tr38747R8841.75X LG AAPL DL28$755<0.1%+9+47.4%Added–
OCFCOceanfirst Financial CorpCOM42$757<0.1%−3,366−98.8%ReducedHistory
SKYASkyAI, Inc.COM456$766<0.1%+238+109.2%AddedHistory
Dimensional ETF Trust25434V815US SMALL CAP ETF22$770<0.1%+22New–
Investment Managers Ser Tr I46152A544TRADR 2X LONG53$790<0.1%+53New–
Investment Managers Ser Tr I46152A759TRADR 2X LONG55$805<0.1%−262−82.6%Reduced–
AMBRAmber International Holding LtdSPON ADS NEW345$814<0.1%−19,067−98.2%ReducedHistory
GRDNGuardian Pharmacy Services, Inc.CL A22$828<0.1%+22NewHistory
AMBQAmbiq Micro, Inc.COMMON STOCK33$838<0.1%+33NewHistory
GBXGreenbrier Companies IncStock16$842<0.1%+16NewHistory
NGVTIngevity CorpCOM12$854<0.1%+12NewHistory
MCSMarcus CorpCOM50$858<0.1%−1,685−97.1%ReducedHistory
MXCTMaxcyte, Inc.COM1,267$890<0.1%+1,267NewHistory
LYTSLsi Industries IncCOM48$892<0.1%+48NewHistory
VanEck Vectors ETF Tr92189F866AFRICA INDEX ETF35$901<0.1%+35New–
AVDAmerican Vanguard CorpCOM369$918<0.1%−441−54.4%ReducedHistory
OFGOfg BancorpCOM23$930<0.1%−183−88.8%ReducedHistory
KMPRKEMPER CorpCOM31$947<0.1%−9,583−99.7%ReducedHistory
Invesco India Exchange-Trade46137R109INDIA ETF47$964<0.1%+47New–
Volatility Shs Tr92864M780XRP ETF128$970<0.1%−498−79.6%Reduced–
NSPRInspireMD, Inc.COM603$982<0.1%−2,572−81.0%ReducedHistory
Graniteshares ETF Tr38747R5462X LONG IONQ91$982<0.1%+91New–
Tidal Trust II88636X401YIELDMAX ABNB OP24$984<0.1%+24New–
MNROMonro, Inc.COM62$994<0.1%−73−54.1%ReducedHistory
Graniteshares ETF Tr38747R421YIELDBOOST BITCO140$998<0.1%−226−61.7%Reduced–
Invesco Exch Traded FD Tr II46138E511PFD ETF92$1.00K<0.1%+92New–
TKCTurkcell Iletisim Hizmetleri A SSPON ADR NEW166$1.00K<0.1%+166NewHistory
Invesco Exch Traded FD Tr II46138G557ALERIAN GLXY CRY70$1.00K<0.1%+70New–
BVBrightView Holdings, Inc.COM85$1.00K<0.1%−851−90.9%ReducedHistory
GLBSGlobus Maritime LtdCOM NEW436$1.01K<0.1%−158−26.6%ReducedHistory
ANIKAnika Therapeutics, Inc.COM70$1.01K<0.1%+70NewHistory
AVNWAviat Networks, Inc.COM NEW45$1.02K<0.1%+45NewHistory
USIOUsio, Inc.COM893$1.02K<0.1%−8−0.9%ReducedHistory
WDFCWD 40 CoCOM5$1.02K<0.1%−1,051−99.5%ReducedHistory
ProShares Tr74349Y498ULTRA XRP ETF277$1.02K<0.1%−3,127−91.9%Reduced–
ETF Opportunities Trust26923N280T REX 2X LONG RE87$1.03K<0.1%+87New–
SGHTSight Sciences, Inc.COM276$1.04K<0.1%+269+3,842.9%AddedHistory
ATYRaTYR PHARMA INCCOM NEW1,335$1.04K<0.1%−24,892−94.9%ReducedHistory
BWINBaldwin Insurance Group, Inc.COM CL A48$1.05K<0.1%+48NewHistory
Themes ETF Tr88340F696LEVERAGE SHS 2X50$1.07K<0.1%+50New–
LOOPLoop Industries, Inc.COM781$1.12K<0.1%+678+658.3%AddedHistory
ARAYAccuray IncCOM2,886$1.12K<0.1%+2,886NewHistory
SPDR Series Trust78464A516ST INTL BBG ETF51$1.12K<0.1%+51New–
Advisorshares Tr00768Y388RESTAURANT ETF44$1.13K<0.1%−344−88.7%Reduced–
PPSIPioneer Power Solutions, Inc.COM NEW350$1.14K<0.1%−808−69.8%ReducedHistory
Invesco Exch Traded FD Tr II46138E404CEF INM COMPSI61$1.15K<0.1%+61New–
SPDR Series Trust78468R408ST TERM HIGH ETF46$1.15K<0.1%+46New–
CTBICommunity Trust Bancorp IncCOM19$1.15K<0.1%+17+850.0%AddedHistory
WEAVWeave Communications, Inc.Stock250$1.16K<0.1%−4,146−94.3%ReducedHistory
Hemes ETF Tr88340C883LEVERAGE SHS 2X266$1.16K<0.1%+266New–
GHRSGH Research PLCORDINARY SHARES83$1.17K<0.1%+35+72.9%AddedHistory
JBIOJade Biosciences, Inc.COM NEW83$1.17K<0.1%+24+40.7%AddedHistory
BANDBandwidth Inc.COM CL A66$1.18K<0.1%−927−93.4%ReducedHistory
Invesco Exchange Traded FD T46137V381S&P500 EQL DIS22$1.18K<0.1%+22New–
Simplify Exchange Traded Fun82889N889VOLT ROBOCAR DI88$1.18K<0.1%+88New–
GRCGorman Rupp CoCOM19$1.18K<0.1%+19NewHistory
ETF Opportunities Trust26923Q549T-REX 2X LONG252$1.19K<0.1%+252New–
ADPTAdaptive Biotechnologies CorpCOM86$1.19K<0.1%+86NewHistory
PLUSEplus IncCOM16$1.20K<0.1%+16NewHistory
COSMCosmos Health Inc.COM3,803$1.21K<0.1%−2,571−40.3%ReducedHistory
FCPTFour Corners Property Trust, Inc.COM51$1.21K<0.1%+19+59.4%AddedHistory
ESSEssex Property Trust, Inc.COM5$1.21K<0.1%−110−95.7%ReducedHistory
NCMINational CineMedia, Inc.COM NEW400$1.22K<0.1%−5,395−93.1%ReducedHistory
Tidal Trust II88636X740YIELDMAX PYPL OP42$1.22K<0.1%+42New–
FTEKFuel Tech, Inc.COM1,004$1.22K<0.1%−2,295−69.6%ReducedHistory
Direxion Shs ETF Tr25460E646DAILY PHARMA120$1.23K<0.1%−446−78.8%Reduced–
ESNTEssent Group Ltd.COM21$1.23K<0.1%+21NewHistory
Invesco Exch Traded FD Tr II46138G631NASDAQNXTGEN10034$1.23K<0.1%+34New–
iShares Inc464286749MSCI SWITZERLAND21$1.24K<0.1%+21New–
iShares Tr46428951110+ YR INVST GRD25$1.24K<0.1%+25New–
MATVMativ Holdings, Inc.COM143$1.24K<0.1%+143NewHistory
AUBAtlantic Union Bankshares CorpCOM35$1.25K<0.1%+35NewHistory
KLXEKLX Energy Services Holdings, Inc.COM NEW483$1.25K<0.1%+483NewHistory
PCRXPacira BioSciences, Inc.COM56$1.26K<0.1%+56NewHistory
SPDR Index Shs FDS78463X509ST PORT MARK ETF27$1.27K<0.1%+27New–
SCSCScansource, Inc.COM35$1.27K<0.1%−64−64.6%ReducedHistory
ORMPOramed Pharmaceuticals Inc.COM NEW374$1.27K<0.1%−771−67.3%ReducedHistory

Options (6,312)

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 6,312 by value.

Option positions of Simplex Trading, LLC in Q1 2026
SecurityClassPutsCalls
SPDR S&P 500 ETF Tr78462F953PUT$27.4B–
SPDR S&P 500 ETF Tr78462F903CALL–$14.1B
Invesco QQQ Tr46090E953PUT$6.49B–
Invesco QQQ Tr46090E903UNIT SER 1–$5.99B
iShares Tr464287957PUT$5.11B–
iShares Tr464287907CALL–$3.87B
Tesla Inc88160R901CALL–$3.42B
NVIDIA Corporation67066G954PUT$3.35B–
NVIDIA Corporation67066G904CALL–$3.33B
Tesla Inc88160R951PUT$3.09B–
SPDR Gold Tr78463V907CALL–$2.36B
Facebook Inc30303M902CALL–$2.35B
Apple Inc037833900CALL–$2.22B
Alphabet Inc02079K905CALL–$2.07B
SPDR Gold Tr78463V957GOLD SHS$1.65B–
Microsoft Corp594918904CALL–$1.55B
Apple Inc037833950PUT$1.53B–
Amazon Com Inc023135906CALL–$1.46B
Alphabet Inc02079K955PUT$1.45B–
Facebook Inc30303M952PUT$1.43B–
iShares Silver Tr46428Q909CALL–$1.36B
Select Sector SPDR Tr81369Y956PUT$1.02B–
Amazon Com Inc023135956PUT$914.0M–
Microsoft Corp594918954PUT$875.9M–
VanEck Vectors ETF Tr92189F952PUT$820.0M–
Select Sector SPDR Tr81369Y906CALL–$773.4M
Netflix Inc64110L956PUT$727.7M–
iShares Silver Tr46428Q959ISHARES$717.9M–
Micron Technology Inc595112953PUT$715.2M–
Netflix Inc64110L906CALL–$712.8M
Palantir Technologies Inc69608A958PUT$709.6M–
Advanced Micro Devices Inc007903957PUT$708.1M–
Micron Technology Inc595112903CALL–$685.1M
SPDR Dow Jones Indl Average78467X909CALL–$680.0M
Broadcom Inc11135F951PUT$649.1M–
Advanced Micro Devices Inc007903907CALL–$599.6M
Palantir Technologies Inc69608A908CALL–$583.0M
Broadcom Inc11135F901CALL–$519.8M
UnitedHealth Group Inc91324P902COM–$519.3M
MicroStrategy Inc594972958PUT$517.5M–
iShares Tr464288955PUT$509.2M–
iShares Bitcoin Trust ETF46438F901CALL–$505.6M
Taiwan Semiconductor Mfg Ltd874039950PUT$498.5M–
United STS Oil FD LP91232N957PUT$417.3M–
VanEck Vectors ETF Tr92189F902CALL–$401.3M
Oracle Corp68389X955PUT$383.2M–
iShares Bitcoin Trust ETF46438F951PUT$381.5M–
Oracle Corp68389X905CALL–$352.0M
iShares Inc464286901CALL–$340.8M
Alibaba Group Hldg Ltd01609W952PUT$333.4M–
UnitedHealth Group Inc91324P952PUT$314.0M–
Intel Corp458140900CALL–$304.4M
Alibaba Group Hldg Ltd01609W902CALL–$303.5M
Kraneshares Tr500767906CALL–$275.8M
Exxon Mobil Corp30231G902CALL–$269.3M
iShares Inc464286951PUT$266.5M–
SPDR Ser Tr78464A958PUT$265.4M–
United STS Oil FD LP91232N907CALL–$257.2M
Taiwan Semiconductor Mfg Ltd874039900CALL–$255.2M
ASML Holding N VN07059950PUT$238.0M–
Goldman Sachs Group Inc38141G904CALL–$229.3M
Exxon Mobil Corp30231G952PUT$221.5M–
JPMorgan Chase & Co46625H950PUT$221.3M–
Goldman Sachs Group Inc38141G954PUT$201.0M–
Coreweave Inc21873S908CALL–$196.4M
Citigroup Inc172967954PUT$193.0M–
SPDR Ser Tr78464A908CALL–$183.3M
Intel Corp458140950PUT$182.4M–
Sandisk Corp80004C950PUT$181.8M–
Citigroup Inc172967904CALL–$181.4M
Berkshire Hathaway Inc Del084670902CALL–$180.7M
MicroStrategy Inc594972908CALL–$176.4M
Coreweave Inc21873S958PUT$175.2M–
Coinbase Global Inc19260Q957PUT$174.0M–
Sandisk Corp80004C900CALL–$166.8M
Walmart Inc931142903CALL–$164.7M
Carvana Co146869902CALL–$161.0M
SPDR Dow Jones Indl Average78467X959PUT$157.3M–
Chevron Corp New166764900CALL–$154.3M
CrowdStrike Hldgs Inc22788C905CALL–$153.3M
ASML Holding N VN07059900CALL–$146.9M
Costco WHSL Corp New22160K905CALL–$140.3M
BK of America Corp060505904CALL–$136.6M
Boeing Co097023905COM–$136.6M
Boeing Co097023955PUT$136.5M–
Salesforce Com Inc79466L902CALL–$126.8M
SoFi Technologies Inc83406F902CALL–$126.6M
Carvana Co146869952PUT$126.4M–
Direxion Shs ETF Tr25459W952PUT$125.7M–
PayPal Hldgs Inc70450Y903CALL–$123.7M
Walmart Inc931142953PUT$123.6M–
Applovin Corp03831W958PUT$122.5M–
Arm Holdings PLC042068955PUT$117.9M–
Robinhood MKTS Inc770700902CALL–$114.7M
ProShares Tr74347X900CALL–$113.3M
BK of America Corp060505954PUT$112.6M–
Pinduoduo Inc722304902CALL–$112.5M
Cisco Sys Inc17275R902CALL–$112.1M
Coinbase Global Inc19260Q907CALL–$111.9M
Berkshire Hathaway Inc Del084670952PUT$111.8M–

Sold out since Q4 2025 (959)

Positions held at the end of Q4 2025 that are gone from this filing.

The largest 100 of 959 by value last quarter.

Positions of Simplex Trading, LLC sold out since Q4 2025
SecurityClassShares in Q4 2025Value in Q4 2025% of portfolio in Q4 2025History
Direxion Shs ETF Tr25459W458DLY SCOND 3XBU1,236,517$52.0M1.5%–
BEBloom Energy CorpCOM CL A301,347$26.2M0.7%History
VRTVertiv Holdings CoCOM CL A151,799$24.6M0.7%History
NEENextera Energy IncStock293,398$23.6M0.7%History
WBDWarner Bros. Discovery, Inc.Stock707,385$20.4M0.6%History
COINCoinbase Global, Inc.COM CL A89,109$20.2M0.6%History
NEMNEWMONT CorpStock197,022$19.7M0.6%History
BABoeing CoStock87,723$19.0M0.5%History
AZOAutoZone IncCOM5,092$17.3M0.5%History
CRMSalesforce, Inc.Stock62,567$16.6M0.5%History
ECHOEchoStar CORPCL A144,099$15.7M0.4%History
BSXBoston Scientific CorpStock141,877$13.5M0.4%History
MUMicron Technology IncStock46,589$13.3M0.4%History
GSGoldman Sachs Group IncStock15,075$13.3M0.4%History
AGQProShares Trust IIULTRA SILVER NEW81,434$12.6M0.4%History
CARAvis Budget Group, Inc.COM93,201$12.0M0.3%History
LUVSouthwest Airlines CoCOM268,783$11.1M0.3%History
CFLTConfluent, Inc.CLASS A COM358,415$10.8M0.3%History
LYFTLyft, Inc.CL A COM543,126$10.5M0.3%History
UALUnited Airlines Holdings, Inc.COM85,296$9.54M0.3%History
BJBJ's Wholesale Club Holdings, Inc.COM96,184$8.66M0.2%History
FUTUFutu Holdings LtdSPON ADS CL A52,535$8.63M0.2%History
WWayfair Inc.CL A81,918$8.23M0.2%History
IONSIonis Pharmaceuticals IncCOM96,647$7.65M0.2%History
NETCloudflare, Inc.CL A COM37,976$7.49M0.2%History
DBX ETF Tr233051879XTRACK HRVST CSI220,929$7.26M0.2%–
FISVFiserv IncStock107,216$7.20M0.2%History
Graniteshares ETF Tr38747R751GRANITE 2X LONG459,058$7.14M0.2%–
GMGeneral Motors CoCOM83,865$6.82M0.2%History
ROSTRoss Stores, Inc.COM37,382$6.73M0.2%History
REGNRegeneron Pharmaceuticals, Inc.COM8,559$6.61M0.2%History
NVSNovartis AGADR46,821$6.46M0.2%History
GPCRStructure Therapeutics Inc.SPONSORED ADS92,668$6.45M0.2%History
APHAmphenol CorpCL A45,822$6.19M0.2%History
HUTHut 8 Corp.COM128,859$5.92M0.2%History
iShares Tr464287234MSCI EMG MKT ETF107,806$5.90M0.2%–
iShares Tr464287556ISHARES BIOTECH33,879$5.72M0.2%–
CLSCelestica IncStock19,342$5.72M0.2%History
FFord Motor CoStock427,201$5.60M0.2%History
EQTEQT CorpStock103,612$5.55M0.2%History
TEAMAtlassian CorpCL A34,148$5.54M0.2%History
TXNTexas Instruments IncStock30,972$5.37M0.2%History
OKLOOklo Inc.COM CL A74,304$5.33M0.1%History
FXEInvesco CurrencyShares Euro TrustEURO SHS46,247$5.02M0.1%History
GPGIGPGI, Inc.COM CL A259,688$5.01M0.1%History
iShares Inc464286400MSCI BRAZIL ETF154,529$4.91M0.1%–
EAElectronic Arts Inc.COM23,397$4.78M0.1%History
MNSTMonster Beverage CorpCOM61,508$4.72M0.1%History
EGOEldorado Gold CorpCOM128,456$4.61M0.1%History
VanEck ETF Trust92189F791JUNIOR GOLD MINE40,492$4.61M0.1%–
AXSMAxsome Therapeutics, Inc.COM25,222$4.61M0.1%History
VZVerizon Communications IncStock112,170$4.57M0.1%History
SPDR Series Trust78464A755ST STR SP METAL43,012$4.46M0.1%–
State Street Health Care Select Sector SPDR ETF81369Y209ETF28,657$4.44M0.1%–
LEUCentrus Energy CorpStock17,758$4.31M0.1%History
RIVNRivian Automotive, Inc.Stock215,942$4.26M0.1%History
TGTTarget CorpStock40,901$4.00M0.1%History
CAGConagra Brands Inc.Stock214,911$3.72M0.1%History
OXYOccidental Petroleum CorpStock87,446$3.60M0.1%History
ISRGIntuitive Surgical IncCOM NEW6,141$3.48M0.1%History
Vanguard Morningstar Total Stock Market ETF922908769ETF10,361$3.47M0.1%–
COSTCostco Wholesale CorpStock3,949$3.41M0.1%History
NIONIO Inc.ADR659,692$3.36M0.1%History
CFGCitizens Financial Group IncCOM57,493$3.36M0.1%History
Kraneshares Trust500767306CSI CHI INTERNET95,566$3.25M0.1%–
TIGRUP Fintech Holding LtdSPONSORED ADS330,741$3.16M0.1%History
DHRDanaher CorpStock13,157$3.01M0.1%History
CPRTCopart IncCOM76,034$2.98M0.1%History
DISWalt Disney CoStock25,931$2.95M0.1%History
XOMExxonMobil Holdings CorpCOM24,131$2.90M0.1%History
FIVEFive Below, IncCOM15,289$2.88M0.1%History
NRGNRG Energy, Inc.Stock17,567$2.80M0.1%History
Avidity Biosciences, Inc.05370A108COM38,607$2.78M0.1%–
PWRQuanta Services, Inc.COM6,534$2.76M0.1%History
WRBYWarby Parker Inc.CL A COM126,190$2.75M0.1%History
WMWaste Management IncStock12,363$2.72M0.1%History
LUMNLumen Technologies, Inc.Stock338,757$2.63M0.1%History
Vanguard High Dividend Yield Index ETF921946406ETF18,061$2.59M0.1%–
BKHBlack Hills CorpCOM37,089$2.57M0.1%History
PPLTabrdn Platinum ETF TrustPHYSCL PLATM SHS13,755$2.56M0.1%History
GENIGenius Sports LtdSHARES CL A230,543$2.54M0.1%History
Direxion Shs ETF Tr25460G187DAILY CSI 2X SH63,335$2.54M0.1%–
ULUnilever PLCSPON ADR NEW37,532$2.45M0.1%History
HOODRobinhood Markets, Inc.Stock21,529$2.43M0.1%History
FFIVF5, Inc.Stock9,503$2.43M0.1%History
BPBP PLCADR69,469$2.41M0.1%History
TIGOMillicom International Cellular SACOM STK42,040$2.33M0.1%History
GISGeneral Mills IncStock49,795$2.32M0.1%History
EXASExact Sciences CorpCOM22,521$2.29M0.1%History
UBERUber Technologies, IncStock27,250$2.23M0.1%History
BWXTBWX Technologies, Inc.COM12,710$2.20M0.1%History
BBYBest Buy Co IncStock32,273$2.16M0.1%History
SHOPShopify Inc.Stock13,407$2.16M0.1%History
VSATViasat IncCOM62,568$2.16M0.1%History
iShares Russell 1000 Growth ETF464287614ETF4,553$2.15M0.1%–
SUSuncor Energy IncStock48,290$2.14M0.1%History
UPSTUpstart Holdings, Inc.COM48,172$2.11M0.1%History
CIENCiena CorpCOM NEW8,836$2.07M0.1%History
WALWestern Alliance BancorporationCOM24,365$2.05M0.1%History
COFCapital One Financial CorpStock8,445$2.05M0.1%History