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SIMPLEX TRADING, LLC
Period ended Sep 30, 2026 · Latest filing Nov 4, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Dec 31, 2024: $178,631,499
- Mar 31, 2025: $156,192,203
- Jun 30, 2025: $174,645,044
- Sep 30, 2025: $194,890,676
- Dec 31, 2025: $177,415,580,964
- Mar 31, 2026: $149,077,957,641
- Jun 30, 2026: $170,565,031,585
- Sep 30, 2026: $183,823,872,854
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- STATE STR SPDR S&P 500 ETF T · PUT · 78462F953 · shares · PUT: $29,249,377,179
- STATE STR SPDR S&P 500 ETF T · CALL · 78462F903 · shares · CALL: $17,442,492,045
- INVESCO QQQ TR · PUT · 46090E953 · shares · PUT: $12,078,446,721
- INVESCO QQQ TR · CALL · 46090E903 · shares · CALL: $8,865,107,772
- ISHARES TR · PUT · 464287957 · shares · PUT: $7,705,507,038
- ISHARES TR · CALL · 464287907 · shares · CALL: $4,481,046,859
- NVIDIA CORPORATION · PUT · 67066G954 · shares · PUT: $3,643,049,246
- NVIDIA CORPORATION · CALL · 67066G904 · shares · CALL: $3,591,709,422
- META PLATFORMS INC · CALL · 30303M902 · shares · CALL: $3,350,259,082
- MICRON TECHNOLOGY INC · PUT · 595112953 · shares · PUT: $2,763,853,939
Reported holdings
10,469 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| MAMMOTH ENERGY SVCS INC | CALL | 56155L908 | CALL | 3,500 shares | $9,940 |
| OMNIAB INC | PUT | 68218J953 | PUT | 2,000 shares | $9,920 |
| ISHARES INC | CALL | 46434G909 | CALL | 100 shares | $9,908 |
| FULLER H B CO | PUT | 359694956 | PUT | 200 shares | $9,894 |
| ZEPP HEALTH CORPORATION | COM | 98945L204 | — | 2,461 shares | $9,893 |
| JADE BIOSCIENCES INC | CALL | 008064906 | CALL | 700 shares | $9,835 |
| CVRX INC | COM | 126638105 | — | 5,619 shares | $9,833 |
| SKYWARD SPECIALTY INS GROUP | COM | 830940102 | — | 186 shares | $9,820 |
| NEWMARK GROUP INC | CALL | 65158N902 | CALL | 800 shares | $9,808 |
| ETF OPPORTUNITIES TRUST | CALL | 26923N905 | CALL | 1,200 shares | $9,804 |
| IDEX CORP | COM | 45167R104 | — | 43 shares | $9,803 |
| HAYWARD HLDGS INC | CALL | 421298900 | CALL | 800 shares | $9,792 |
| ETF OPPORTUNITIES TRUST | CALL | 26923N905 | CALL | 800 shares | $9,784 |
| TALPHERA INC | COM | 00444T209 | — | 8,434 shares | $9,783 |
| NOMURA HLDGS INC | CALL | 65535H908 | CALL | 1,000 shares | $9,780 |
| ORGANIGRAM GLOBAL INC | PUT | 68617J950 | PUT | 9,800 shares | $9,760 |
| STRATEGIC TRUST | CALL | 48817R900 | CALL | 300 shares | $9,750 |
| NATURAL GAS SVCS GROUP INC | CALL | 63886Q909 | CALL | 300 shares | $9,714 |
| EXCHANGE TRADED CONCEPTS TRU | PUT | 301505959 | PUT | 100 shares | $9,714 |
| FUTUREFUEL CORP | CALL | 36116M906 | CALL | 1,900 shares | $9,709 |
| TEEKAY TANKERS LTD | PUT | G8726X956 | PUT | 100 shares | $9,706 |
| UNITED STS 12 MONTH OIL FD L | COM | 91288V103 | — | 170 shares | $9,705 |
| ISHARES TR | PUT | 46432F959 | PUT | 100 shares | $9,688 |
| CLARIVATE PLC | CALL | G21810909 | CALL | 5,800 shares | $9,686 |
| DIODES INC | PUT | 254543951 | PUT | 100 shares | $9,679 |
| TORO CO | CALL | 891092908 | CALL | 100 shares | $9,642 |
| GRUPO SUPERVIELLE S.A. | COM | 40054A108 | — | 1,356 shares | $9,641 |
| TIDAL TRUST II | COM | 88636R750 | — | 184 shares | $9,634 |
| BANCORP INC DEL | CALL | 05969A905 | CALL | 200 shares | $9,632 |
| GRANITESHARES ETF TR | COM | 38747R520 | — | 268 shares | $9,591 |
| CLEARWATER PAPER CORP | PUT | 18538R953 | PUT | 500 shares | $9,580 |
| ARDAGH METAL PACKAGING S A | PUT | L02235956 | PUT | 2,200 shares | $9,548 |
| AMERICAN BEACON SELECT FUNDS | COM | 02368W507 | — | 500 shares | $9,542 |
| AMERICAN BEACON SELECT FUNDS | PUT | 02368W957 | PUT | 500 shares | $9,542 |
| VOX ROYALTY CORP | PUT | 92919F953 | PUT | 1,900 shares | $9,537 |
| INVESTMENT MANAGERS SER TR I | PUT | 46152N954 | PUT | 500 shares | $9,535 |
| THEMES ETF TR | COM | 882927296 | — | 297 shares | $9,535 |
| LIMONEIRA CO | PUT | 532746954 | PUT | 800 shares | $9,520 |
| SPDR SERIES TRUST | COM | 78464A144 | — | 346 shares | $9,511 |
| AIRSHIP AI HLDGS INC | PUT | 008940958 | PUT | 5,100 shares | $9,486 |
| PROTO LABS INC | PUT | 743713959 | PUT | 100 shares | $9,485 |
| BLEND LABS INC | PUT | 09352U958 | PUT | 9,200 shares | $9,476 |
| FTC SOLAR INC | CALL | 30320C901 | CALL | 4,400 shares | $9,460 |
| TIDAL TRUST II | CALL | 88636X900 | CALL | 300 shares | $9,455 |
| VANECK BITCOIN ETF | CALL | 92189K905 | CALL | 400 shares | $9,448 |
| OCTAVE INTELLIGENCE PLC | CALL | G22845904 | CALL | 500 shares | $9,445 |
| VERALTO CORP | PUT | 92338C953 | PUT | 100 shares | $9,432 |
| STARZ ENTERTAINMENT CORP. | PUT | 855919956 | PUT | 400 shares | $9,428 |
| VANGUARD CALIF TAX FREE FDS | CALL | 922021905 | CALL | 100 shares | $9,428 |
| VANGUARD CALIF TAX FREE FDS | PUT | 922021955 | PUT | 100 shares | $9,428 |
| CRANE NXT CO | PUT | 224441955 | PUT | 200 shares | $9,420 |
| TIDAL TRUST II | COM | 88636X229 | — | 258 shares | $9,420 |
| INVESTMENT MANAGERS SER TR I | COM | 46144X487 | — | 171 shares | $9,416 |
| INVESCO EXCH TRADED FD TR II | CALL | 46138G900 | CALL | 500 shares | $9,369 |
| PUBMATIC INC | CALL | 74467Q903 | CALL | 500 shares | $9,365 |
| ISHARES TR | COM | 464289511 | — | 205 shares | $9,360 |
| NORTHWEST NAT HLDG CO | CALL | 66765N905 | CALL | 200 shares | $9,334 |
| LIVEONE INC | CALL | 53814X900 | CALL | 3,600 shares | $9,324 |
| PRESIDIO PRODTN CO | COM | 74102N101 | — | 936 shares | $9,322 |
| GOLDMAN SACHS ETF TR | CALL | 381430905 | CALL | 100 shares | $9,308 |
| GRIFFON CORP | CALL | 398433902 | CALL | 100 shares | $9,304 |
| PINNACLE WEST CAP CORP | PUT | 723484951 | PUT | 100 shares | $9,304 |
| IMMUNIC INC | PUT | 4525EP950 | PUT | 1,000 shares | $9,300 |
| GRUPO CIBEST SA | PUT | 40090E956 | PUT | 100 shares | $9,285 |
| SPDR SERIES TRUST | PUT | 78468R957 | PUT | 100 shares | $9,275 |
| CALIFORNIA WTR SVC GROUP | CALL | 130788902 | CALL | 200 shares | $9,254 |
| INVESTMENT MANAGERS SER TR I | CALL | 46092D906 | CALL | 600 shares | $9,246 |
| INDUSTRIAL LOGISTICS PPTYS T | PUT | 456237956 | PUT | 1,300 shares | $9,230 |
| DR REDDYS LABS LTD | COM | 256135203 | — | 731 shares | $9,225 |
| INVESCO EXCHANGE TRADED FD T | COM | 46137V142 | — | 136 shares | $9,224 |
| DOCEBO INC | CALL | 25609L905 | CALL | 400 shares | $9,220 |
| SPDR SERIES TRUST | CALL | 78464A908 | CALL | 100 shares | $9,205 |
| GLOBAL X FDS | COM | 37960A727 | — | 138 shares | $9,179 |
| REPUBLIC BANCORP INC KY | CALL | 760281904 | CALL | 100 shares | $9,170 |
| TIDAL TRUST II | CALL | 88636J906 | CALL | 500 shares | $9,150 |
| CONNECT BIOPHARMA HLDGS LTD | PUT | G23549951 | PUT | 8,300 shares | $9,130 |
| KAISER ALUMINIUM CORPORATION | COM | 483007704 | — | 63 shares | $9,123 |
| ETF OPPORTUNITIES TRUST | CALL | 26923W902 | CALL | 1,600 shares | $9,120 |
| PROSHARES TR | PUT | 74349Y957 | PUT | 300 shares | $9,120 |
| GRANITESHARES ETF TR | CALL | 38747R904 | CALL | 500 shares | $9,105 |
| GRAFTECH INTL LTD SR NT | CALL | 384313907 | CALL | 1,100 shares | $9,097 |
| GLOBAL X FDS | PUT | 37954Y959 | PUT | 100 shares | $9,068 |
| VAALCO ENERGY INC | PUT | 91851C951 | PUT | 1,600 shares | $9,056 |
| ACCEL ENTERTAINMENT INC | COM | 00436Q106 | — | 849 shares | $9,050 |
| NEOS ETF TRUST | PUT | 78433H955 | PUT | 200 shares | $9,042 |
| NCR ATLEOS CORPORATION | CALL | 63001N906 | CALL | 200 shares | $9,036 |
| SITEONE LANDSCAPE SUPPLY INC | PUT | 82982L953 | PUT | 100 shares | $9,031 |
| VANECK ETF TRUST | PUT | 92189F952 | PUT | 700 shares | $9,023 |
| PC CONNECTION INC | CALL | 69318J900 | CALL | 100 shares | $9,023 |
| CHICAGO ATLANTIC REAL ESTATE | CALL | 167239902 | CALL | 900 shares | $9,018 |
| MAYVILLE ENGR CO INC | CALL | 578605907 | CALL | 600 shares | $9,000 |
| ONESPAWORLD HOLDINGS LIMITED | PUT | P73684953 | PUT | 400 shares | $8,996 |
| VERSIGENT PLC | PUT | G9600F954 | PUT | 200 shares | $8,988 |
| COLLIERS INTL GROUP INC | PUT | 194693957 | PUT | 100 shares | $8,980 |
| INVE TECHNOLOGIES INC | CALL | 45170X905 | CALL | 3,800 shares | $8,968 |
| RYANAIR HOLDINGS PLC | COM | 783513203 | — | 163 shares | $8,966 |
| SOUND GROUP INC | PUT | 53933L953 | PUT | 800 shares | $8,960 |
| HAFNIA LTD | PUT | Y2990R951 | PUT | 900 shares | $8,946 |
| TIM S A | COM | 88706T108 | — | 501 shares | $8,942 |
| TALPHERA INC | CALL | 00444T909 | CALL | 7,700 shares | $8,932 |