SIMPLEX TRADING, LLC
Follow13F filer, CIK 1488542, CHICAGO, IL
SIMPLEX TRADING, LLC reported $194,890,676,000 across 9,236 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-12. Its ten largest share positions make up 37.15% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001488542-25-000018
- Period
- 2025-09-30
- Reported value
- $195B
- Holdings
- 9,236
- Top 10 weight
- 37.15%
- New
- 1,749
- Sold out
- 1,380
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| MSFTnew | +458,309 | $237M |
| IWMadded | +424,988 | $103M |
| AMZNadded | +427,796 | $93.9M |
| IBITadded | +1,239,047 | $80.5M |
| PDDnew | +463,452 | $61.3M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| TLTexited | -1,457,996 | -$129M |
| GOOGLreduced | -443,553 | -$108M |
| AVGOreduced | -270,198 | -$89.1M |
| GOOGreduced | -325,458 | -$79.3M |
| MUreduced | -384,566 | -$64.3M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Back to all 2,622 share positions
Options
Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| PHARMACYTE BIOTECH INCPHARMACYTE BIOTECH INC CALL | call | 200 | $0 | -400 |
| TRICO BANCSHARESTRICO BANCSHARES PUT | put | 500 | $0 | new |
| TEADS HLDG COTEADS HLDG CO CALL | call | 300 | $0 | 0 |
| LIBERTY LATIN AMERICA LTDLIBERTY LATIN AMERICA LTD CALL | call | 100 | $0 | -7,500 |
| NOVONIX LIMITEDNOVONIX LIMITED PUT | put | 400 | $0 | -1,400 |
| FTC SOLAR INCFTC SOLAR INC CALL | call | 100 | $0 | -1,100 |
| WHITEHAWK THERAPEUTICS INCWHITEHAWK THERAPEUTICS INC PUT | put | 200 | $0 | new |
| WIMI HOLOGRAM CLOUD INCWIMI HOLOGRAM CLOUD INC PUT | put | 200 | $0 | new |
| LANTERN PHARMA INCLANTERN PHARMA INC PUT | put | 100 | $0 | 0 |
| ORION S.A.ORION S.A. PUT | put | 100 | $0 | 0 |
| WABASH NATL CORPWABASH NATL CORP PUT | put | 100 | $0 | new |
| OPAL FUELS INCOPAL FUELS INC PUT | put | 100 | $0 | 0 |
| DBX ETF TRDBX ETF TR PUT | put | 100 | $0 | new |
| DIANA SHIPPING INCDIANA SHIPPING INC PUT | put | 300 | $0 | +200 |
| OXFORD SQUARE CAP CORPOXFORD SQUARE CAP CORP PUT | put | 300 | $0 | +200 |
| MAXCYTE INCMAXCYTE INC PUT | put | 100 | $0 | 0 |
| CARDIOL THERAPEUTICS INCCARDIOL THERAPEUTICS INC PUT | put | 100 | $0 | new |
| GRANITE PT MTG TR INCGRANITE PT MTG TR INC PUT | put | 100 | $0 | -1,700 |
| PROQR THRAPEUTICS N VPROQR THRAPEUTICS N V CALL | call | 100 | $0 | -47,200 |
| GLOBAL SELF STORAGE INCGLOBAL SELF STORAGE INC PUT | put | 100 | $0 | new |
| ZEVIA PBCZEVIA PBC PUT | put | 100 | $0 | -20,200 |
| U S PHYSICAL THERAPYU S PHYSICAL THERAPY COM | put | 300 | $0 | new |
| VOLITIONRX LTDVOLITIONRX LTD PUT | put | 100 | $0 | -100 |
| DOLPHIN ENTMT INCDOLPHIN ENTMT INC CALL | call | 200 | $0 | new |
| DIGIMARC CORP NEWDIGIMARC CORP NEW CALL | call | 100 | $0 | -3,100 |
| CBAK ENERGY TECHNOLOGY INCCBAK ENERGY TECHNOLOGY INC CALL | call | 100 | $0 | -800 |
| VTEXVTEX CALL | call | 200 | $0 | new |
| DHI GROUP INCDHI GROUP INC CALL | call | 300 | $0 | new |
| CUE BIOPHARMA INCCUE BIOPHARMA INC PUT | put | 100 | $0 | 0 |
| GYRE THERAPEUTICS INCGYRE THERAPEUTICS INC PUT | put | 100 | $0 | 0 |
| WM TECHNOLOGY INCWM TECHNOLOGY INC PUT | put | 600 | $0 | new |
| INVESTCORP CR MGMT BDC INCINVESTCORP CR MGMT BDC INC CALL | call | 300 | $0 | +100 |
| CARPARTS COM INCCARPARTS COM INC CALL | call | 1,300 | $0 | new |
| TUNIU CORPTUNIU CORP CALL | call | 700 | $0 | new |
| RETRACTABLE TECHNOLOGIES INCRETRACTABLE TECHNOLOGIES INC CALL | call | 100 | $0 | new |
| SYPRIS SOLUTIONS INCSYPRIS SOLUTIONS INC CALL | call | 100 | $0 | 0 |
| WHITEHAWK THERAPEUTICS INCWHITEHAWK THERAPEUTICS INC CALL | call | 100 | $0 | new |
| LOOP INDS INCLOOP INDS INC COM | put | 300 | $0 | new |
| WORLD KINECT CORPORATIONWORLD KINECT CORPORATION COM | put | 100 | $0 | new |
| 8X8 INC NEW8X8 INC NEW COM | put | 100 | $0 | -1,800 |
| ELME COMMUNITIESELME COMMUNITIES COM | call | 5,000 | $0 | +4,900 |
| SUNOPTA INCSUNOPTA INC Cmn | put | 100 | $0 | 0 |
| SURMODICS INC CMN STOCKSURMODICS INC CMN STOCK Cmn | put | 100 | $0 | -300 |
| BP PRUDHOE BAY ROYALTY TRUSTBP PRUDHOE BAY ROYALTY TRUST Cmn | call | 100 | $0 | -1,100 |
| BANCO SANTANDER BRASIL S ABANCO SANTANDER BRASIL S A ADS REP 1 UNIT | call | 100 | $0 | 0 |
| BIG 5 SPORTING GOODS CORPBIG 5 SPORTING GOODS CORP COM | call | 10,500 | $0 | -1,100 |
| MARTIN MIDSTREAM PRTNRS L PMARTIN MIDSTREAM PRTNRS L P UNIT L P INT | put | 100 | $0 | new |
| PURPLE BIOTECH LTDPURPLE BIOTECH LTD SPONSORED ADR | put | 200 | $0 | new |
| SPHERE 3D CORP NEWSPHERE 3D CORP NEW COM NEW | put | 800 | $0 | new |
| SPORTSMANS WHSE HLDGS INCSPORTSMANS WHSE HLDGS INC COM | put | 100 | $0 | -10,700 |
| ASTRIA THERAPEUTICS INCASTRIA THERAPEUTICS INC COM | call | 100 | $0 | -4,700 |
| CO-DIAGNOSTICS INCCO-DIAGNOSTICS INC COM | call | 2,400 | $0 | new |
| STANDARD BIOTOOLS INCSTANDARD BIOTOOLS INC COM | put | 400 | $0 | 0 |
| GLIMPSE GROUP INCGLIMPSE GROUP INC COM | call | 200 | $0 | -700 |
| NINE ENERGY SERVICE INCNINE ENERGY SERVICE INC COM | put | 600 | $0 | -700 |
| ORIGIN MATERIALS INCORIGIN MATERIALS INC COM | put | 200 | $0 | new |
| LIFEWARD LTDLIFEWARD LTD SHS | call | 100 | $0 | -23,900 |
| CUREVAC N VCUREVAC N V COM | call | 100 | $0 | -300 |
| HF FOODS GROUP INCHF FOODS GROUP INC CALL | call | 300 | $0 | -1,500 |
| HALEON PLCHALEON PLC PUT | put | 100 | $0 | new |
| 1STDIBS COM INC1STDIBS COM INC CALL | call | 200 | $0 | -8,300 |
| CITY OFFICE REIT INCCITY OFFICE REIT INC PUT | put | 100 | $0 | -1,000 |
| MIND C T I LTDMIND C T I LTD PUT | put | 100 | $0 | 0 |
| ABRDN ETFSABRDN ETFS CALL | call | 100 | $0 | 0 |
| ZYNEX INCZYNEX INC CALL | call | 100 | $0 | new |
| PIONEER PWR SOLUTIONS INCPIONEER PWR SOLUTIONS INC PUT | put | 100 | $0 | new |
| CARPARTS COM INCCARPARTS COM INC PUT | put | 100 | $0 | -400 |
| CLEARSIGN TECHNOLOGIES CORPCLEARSIGN TECHNOLOGIES CORP PUT | put | 100 | $0 | new |
| VICTORY PORTFOLIOS IIVICTORY PORTFOLIOS II CALL | call | 100 | $0 | new |
| URBAN ONE INCURBAN ONE INC CALL | call | 1,200 | $0 | new |
| VERONA PHARMA PLCVERONA PHARMA PLC Equity Put | put | 2,600 | $0 | -105,900 |
| PARAMOUNT GROUP INCPARAMOUNT GROUP INC COM | call | 100 | $0 | 0 |
| ARGO BLOCKCHAIN PLCARGO BLOCKCHAIN PLC ADS | put | 2,900 | $0 | +400 |
| ARIS WATER SOLUTIONS INCARIS WATER SOLUTIONS INC CLASS A COM | call | 2,200 | $0 | -3,900 |
| ARIS WATER SOLUTIONS INCARIS WATER SOLUTIONS INC CLASS A COM | put | 300 | $0 | -500 |
| PROPHASE LABS INCPROPHASE LABS INC COM | call | 1,200 | $0 | -600 |
| PROPHASE LABS INCPROPHASE LABS INC COM | put | 1,000 | $0 | 0 |
| ADAPTIMMUNE THERAPEUTICS PLCADAPTIMMUNE THERAPEUTICS PLC SPONDS ADS | call | 8,000 | $0 | -3,200 |
| ADICET BIO INCADICET BIO INC COM | call | 100 | $0 | 0 |
| SPRUCE POWER HOLDING CORPSPRUCE POWER HOLDING CORP COM NEW | put | 100 | $0 | 0 |
| CAPITAL GROUP GROWTH ETFCAPITAL GROUP GROWTH ETF CALL | call | 100 | $0 | new |
| BEYONDSPRING INCBEYONDSPRING INC PUT | put | 400 | $0 | new |
| MORGAN STANLEY CHINA A SH FDMORGAN STANLEY CHINA A SH FD CALL | call | 100 | $0 | -2,900 |
| AIRGAIN INCAIRGAIN INC PUT | put | 200 | $0 | +100 |
| CASI PHARMACEUTICALS INCCASI PHARMACEUTICALS INC PUT | put | 200 | $0 | -100 |
| CROWN CRAFTS INCCROWN CRAFTS INC CALL | call | 100 | $0 | -200 |
| COUCHBASE INCCOUCHBASE INC PUT | put | 2,100 | $0 | -2,300 |
| FIRST TR EXCHANGE TRADED FDFIRST TR EXCHANGE TRADED FD PUT | put | 100 | $0 | new |
| GOLDEN MATRIX GROUP INCGOLDEN MATRIX GROUP INC PUT | put | 100 | $0 | new |
| HARBORONE BANCORP INC NEWHARBORONE BANCORP INC NEW PUT | put | 100 | $0 | new |
| HOOKIPA PHARMA INCHOOKIPA PHARMA INC PUT | put | 400 | $0 | -100 |
| ULTRAPAR PARTICIPACOES SAULTRAPAR PARTICIPACOES SA PUT | put | 100 | $0 | new |
| UNITY BIOTECHNOLOGY INCUNITY BIOTECHNOLOGY INC CALL | call | 1,100 | $0 | -1,200 |
| URBAN ONE INCURBAN ONE INC PUT | put | 100 | $0 | new |
| SPARTANNASH COSPARTANNASH CO PUT | put | 3,300 | $0 | -23,700 |
| CUE BIOPHARMA INCCUE BIOPHARMA INC CALL | call | 100 | $0 | -200 |
| GLOBUS MARITIME LIMITED NEWGLOBUS MARITIME LIMITED NEW PUT | put | 100 | $0 | new |
| WK KELLOGG COWK KELLOGG CO CALL | call | 700 | $0 | -10,300 |
| WK KELLOGG COWK KELLOGG CO PUT | put | 37,700 | $0 | +8,500 |
| SHORE BANCSHARES INCSHORE BANCSHARES INC PUT | put | 100 | $0 | new |
| RESOURCES CONNECTION INCRESOURCES CONNECTION INC PUT | put | 100 | $0 | -2,400 |
| ORION PROPERTIES INCORION PROPERTIES INC PUT | put | 100 | $0 | 0 |
| MYOMO INCMYOMO INC PUT | put | 400 | $0 | 0 |
| PLAYSTUDIOS INCPLAYSTUDIOS INC CALL | call | 100 | $0 | new |
| TELUS INTL CDA INCTELUS INTL CDA INC PUT | put | 100 | $0 | -600 |
| FRANKLIN WIRELESS CORPFRANKLIN WIRELESS CORP CALL | call | 200 | $0 | -3,800 |
| ROCKWELL MED INCROCKWELL MED INC PUT | put | 100 | $0 | -2,000 |
| TPI COMPOSITES INCTPI COMPOSITES INC CALL | call | 20,300 | $0 | +19,900 |
| PAVMED INCPAVMED INC PUT | put | 1,000 | $0 | new |
| VAXART INCVAXART INC PUT | put | 500 | $0 | -100 |
| MONEYHERO LIMITEDMONEYHERO LIMITED PUT | put | 100 | $0 | -3,200 |
| THIRD HARMONIC BIO INCTHIRD HARMONIC BIO INC CALL | call | 1,300 | $0 | -2,900 |
| THIRD HARMONIC BIO INCTHIRD HARMONIC BIO INC PUT | put | 7,000 | $0 | 0 |
| THERATECHNOLOGIES INCTHERATECHNOLOGIES INC CALL | call | 300 | $0 | 0 |
Sold out in Q3 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
The largest 100 of 1,380. All 1,380
| Security | Shares before | Value before | Type |
|---|---|---|---|
| TLTISHARES TR | 1,457,996 | $129M | shares |
| METAMETA PLATFORMS INC | 79,568 | $58.7M | shares |
| EWZISHARES INC | 955,457 | $27.6M | shares |
| GLDSPDR GOLD TR | 85,931 | $26.2M | shares |
| XLFSELECT SECTOR SPDR TR | 453,315 | $23.7M | shares |
| KWEBKRANESHARES TRUST | 645,901 | $22.2M | shares |
| BBARRICK MNG CORP | 1,011,038 | $21M | shares |
| WMTWALMART INC | 202,277 | $19.8M | shares |
| WALGREENS BOOTS ALLIANCE INCWALGREENS BOOTS ALLIANCE INC | 1,694,900 | $19.5M | call |
| ASMLASML HLDG NV | 21,017 | $16.8M | shares |
| USBUS BANCORP | 319,512 | $14.5M | shares |
| XLISELECT SECTOR SPDR TR | 97,333 | $14.4M | shares |
| IAUISHARES GOLD TR | 210,513 | $13.1M | shares |
| SOUNSOUNDHOUND AI INC | 1,215,270 | $13M | shares |
| BSXBOSTON SCIENTIFIC CORP | 118,658 | $12.7M | shares |
| NEMNEWMONT CORP | 196,522 | $11.4M | shares |
| ATMOS ENERGY CORPATMOS ENERGY CORP | 69,800 | $10.8M | put |
| BIDUBAIDU INC | 124,357 | $10.7M | shares |
| LCID1 260116C00012000LCID1 260116C00012000 | 3,806,300 | $8.03M | call |
| CNCCENTENE CORP DEL | 141,894 | $7.7M | shares |
| KVUEKENVUE INC | 366,113 | $7.66M | shares |
| XLBSELECT SECTOR SPDR TR | 86,906 | $7.63M | shares |
| TDGTRANSDIGM GROUP INC | 4,966 | $7.55M | shares |
| WDAYWORKDAY INC | 31,359 | $7.53M | shares |
| BLUEPRINT MEDICINES CORPBLUEPRINT MEDICINES CORP | 55,989 | $7.18M | shares |
| FOOT LOCKER INCFOOT LOCKER INC | 289,400 | $7.09M | put |
| CHTRCHARTER COMMUNICATIONS INC | 17,111 | $7M | shares |
| REGENCY CTRS CORPREGENCY CTRS CORP | 93,700 | $6.67M | put |
| PARAMOUNT GLOBALPARAMOUNT GLOBAL | 460,000 | $5.93M | put |
| MUBISHARES TR | 56,446 | $5.9M | shares |
| WALGREENS BOOTS ALLIANCE INCWALGREENS BOOTS ALLIANCE INC | 486,000 | $5.58M | put |
| LUCID GROUP INCLUCID GROUP INC | 2,598,100 | $5.48M | put |
| STXSEAGATE TECHNOLOGY HLDNGS PL | 37,369 | $5.39M | shares |
| GMS INCGMS INC | 47,000 | $5.11M | put |
| MDBMONGODB INC | 24,049 | $5.05M | shares |
| MCHIISHARES TR | 91,103 | $5.02M | shares |
| VERVE THERAPEUTICS INCVERVE THERAPEUTICS INC | 432,800 | $4.86M | put |
| SKECHERS USA INC-CL ASKECHERS USA INC-CL A | 72,000 | $4.54M | call |
| BLUEPRINT MEDICINES CORPBLUEPRINT MEDICINES CORP | 34,700 | $4.45M | put |
| RUNSUNRUN INC | 530,872 | $4.34M | shares |
| HDHOME DEPOT INC | 11,202 | $4.11M | shares |
| PARAMOUNT GLOBALPARAMOUNT GLOBAL | 307,600 | $3.97M | call |
| SOXSDIREXION DAILY SEMI BEAR 3X | 503,236 | $3.97M | shares |
| SIISPROTT INC | 57,284 | $3.96M | shares |
| SANMSANMINA CORP | 39,845 | $3.9M | shares |
| SILGLOBAL X FDS | 78,910 | $3.8M | shares |
| CYBERARK SOFTWARE LTD/ISRAELCYBERARK SOFTWARE LTD/ISRAEL | 9,159 | $3.73M | shares |
| PARAMOUNT GLOBALPARAMOUNT GLOBAL | 288,587 | $3.72M | shares |
| TIDAL TRUST IITIDAL TRUST II | 100,400 | $3.69M | put |
| TIDAL TRUST IITIDAL TRUST II | 82,400 | $3.31M | call |
| VLOVALERO ENERGY CORP | 24,279 | $3.26M | shares |
| SKECHERS USA INC-CL ASKECHERS USA INC-CL A | 51,300 | $3.24M | put |
| PINSPINTEREST INC | 86,024 | $3.08M | shares |
| PPLTABRDN PLATINUM ETF TRUST | 25,074 | $3.08M | shares |
| ELLAUDER ESTEE COS INC | 36,802 | $2.97M | shares |
| GILDGILEAD SCIENCES INC | 26,577 | $2.95M | shares |
| ALLYALLY FINL INC | 72,167 | $2.81M | shares |
| URGNUROGEN PHARMA LTD | 185,030 | $2.53M | shares |
| DXCMDEXCOM INC | 28,566 | $2.49M | shares |
| TECKTECK RESOURCES LTD | 61,003 | $2.46M | shares |
| ANETARISTA NETWORKS INC | 24,044 | $2.46M | shares |
| BXBLACKSTONE INC | 16,222 | $2.43M | shares |
| QSQUANTUMSCAPE CORP | 358,479 | $2.41M | shares |
| ITEOS THERAPEUTICS INCITEOS THERAPEUTICS INC | 239,300 | $2.38M | put |
| URIUNITED RENTALS INC | 3,010 | $2.27M | shares |
| EXKENDEAVOUR SILVER CORP | 451,500 | $2.22M | shares |
| PENGUIN SOLUTIONS INCPENGUIN SOLUTIONS INC | 111,700 | $2.21M | call |
| MAG SILVER CORP COMMON STOCKMAG SILVER CORP COMMON STOCK | 104,400 | $2.21M | call |
| WYNNWYNN RESORTS LTD | 23,488 | $2.2M | shares |
| MOSMOSAIC CO | 60,217 | $2.2M | shares |
| FOOT LOCKER INCFOOT LOCKER INC | 86,486 | $2.12M | shares |
| FXYINVESCO CURRENCYSHARES | 32,893 | $2.1M | shares |
| NUENUCOR CORP | 15,919 | $2.06M | shares |
| UUPINVESCO DB US DLR INDEX TR | 76,204 | $2.05M | shares |
| GOLDEN OCEAN GROUP LTDGOLDEN OCEAN GROUP LTD | 276,500 | $2.02M | call |
| WEBSTER FINL CORPWEBSTER FINL CORP | 35,400 | $1.93M | put |
| SNDKSANDISK CORP | 42,337 | $1.92M | shares |
| HLHECLA MINING COMPANY | 319,855 | $1.92M | shares |
| PONYPONY AI INC | 144,207 | $1.9M | shares |
| UNITI GROUP INCUNITI GROUP INC | 424,800 | $1.83M | put |
| MGAMAGNA INTL INC | 46,586 | $1.8M | shares |
| IEFISHARES TR | 17,500 | $1.68M | shares |
| CONTEXTLOGIC INCCONTEXTLOGIC INC | 242,000 | $1.65M | call |
| FOOT LOCKER INCFOOT LOCKER INC | 66,700 | $1.63M | call |
| MANITOWOC CO INCMANITOWOC CO INC | 134,000 | $1.61M | put |
| LQDALIQUIDIA CORPORATION | 120,309 | $1.5M | shares |
| UGIUGI CORP NEW | 41,114 | $1.5M | shares |
| MLMMARTIN MARIETTA MATLS INC | 2,703 | $1.48M | shares |
| LOWLOWES COS INC | 6,647 | $1.47M | shares |
| WOLFSPEED INCWOLFSPEED INC | 3,643,200 | $1.45M | put |
| NVDXETF OPPORTUNITIES TRUST | 96,103 | $1.4M | shares |
| TDUPTHREDUP INC | 186,107 | $1.39M | shares |
| PARRPAR PAC HOLDINGS INC | 51,702 | $1.37M | shares |
| SNPSSYNOPSYS INC | 2,662 | $1.36M | shares |
| NVAXNOVAVAX INC | 216,099 | $1.36M | shares |
| PALLABRDN PALLADIUM ETF TRUST | 13,421 | $1.35M | shares |
| CONTEXTLOGIC INCCONTEXTLOGIC INC | 197,900 | $1.35M | put |
| RACEFERRARI N V | 2,733 | $1.34M | shares |
| SYMSYMBOTIC INC | 34,245 | $1.33M | shares |
| WRBYWARBY PARKER INC | 60,289 | $1.32M | shares |
How Q3 2025 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001488542-25-000018 | base | 2025-11-12 | acceptance time not in the bulk data set |