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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) |
|---|---|---|---|---|---|
| WEST FRASER TIMBER CO LTD | COM | 952845105 | — | 305 shares | $21,160 |
| FORTIS INC | CALL | 349553907 | CALL | 400 shares | $21,128 |
| ISHARES TR | PUT | 464288955 | PUT | 500 shares | $21,095 |
| BAKKT INC | PUT | 05759B955 | PUT | 2,700 shares | $21,087 |
| INVESCO CURRENCYSHARES SWISS | CALL | 46138R908 | CALL | 200 shares | $21,078 |
| GLOBAL X FDS | PUT | 37966B955 | PUT | 500 shares | $21,074 |
| FIRST BANCORP CORPORATION | PUT | 318672956 | PUT | 800 shares | $21,072 |
| INVESTMENT MANAGERS SER TR I | COM | 46092D681 | — | 384 shares | $21,072 |
| HAEMONETICS CORP MASS | PUT | 405024950 | PUT | 200 shares | $21,060 |
| ETFIS SER TR I | PUT | 26923G952 | PUT | 300 shares | $21,054 |
| ALLOT LTD | COM | M0854Q105 | — | 2,494 shares | $21,049 |
| VANECK ETF TRUST | COM | 92189H821 | — | 1,110 shares | $21,045 |
| STERIS PLC | CALL | G8473T900 | CALL | 100 shares | $21,001 |
| STERIS PLC | PUT | G8473T950 | PUT | 100 shares | $21,001 |
| DBX ETF TR | CALL | 233051909 | CALL | 300 shares | $20,979 |
| ALLOGENE THERAPEUTICS INC | PUT | 019770956 | PUT | 13,100 shares | $20,960 |
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 1,100 shares | $20,955 |
| ETF OPPORTUNITIES TRUST | CALL | 26923N905 | CALL | 800 shares | $20,952 |
| SO YOUNG INTERNATIONAL INC | COM | 83356Q108 | — | 7,842 shares | $20,938 |
| ACCELERANT HOLDINGS | COM | G00894108 | — | 1,061 shares | $20,933 |
| ONTO INNOVATION INC | COM | 683344105 | — | 68 shares | $20,931 |
| PRESIDIO PRODTN CO | PUT | 74102N951 | PUT | 2,100 shares | $20,916 |
| CARTESIAN THERAPEUTICS INC | PUT | 816212952 | PUT | 2,900 shares | $20,909 |
| LOEWS CORP | CALL | 540424908 | CALL | 200 shares | $20,886 |
| ISHARES TR | COM | 46434V423 | — | 575 shares | $20,884 |
| IRSA INVERSIONES Y REP S A | PUT | 450047953 | PUT | 1,500 shares | $20,880 |
| KARMAN HLDGS INC | COM | 485924104 | — | 644 shares | $20,878 |
| ALPINE INCOME PPTY TR INC | CALL | 02083X903 | CALL | 1,200 shares | $20,820 |
| OPUS GENETICS INC | PUT | 67577R952 | PUT | 4,300 shares | $20,812 |
| SOUNDTHINKING INC | CALL | 82536T907 | CALL | 2,500 shares | $20,775 |
| RALLIANT CORP | CALL | 750940908 | CALL | 300 shares | $20,751 |
| LAKELAND INDS INC | COM | 511795106 | — | 2,099 shares | $20,738 |
| ISHARES TR | CALL | 464287907 | CALL | 600 shares | $20,700 |
| TRANSCAT INC | COM | 893529107 | — | 234 shares | $20,690 |
| ARCUS BIOSCIENCES INC | PUT | 03969F959 | PUT | 800 shares | $20,664 |
| BCB BANCORP INC | PUT | 055298953 | PUT | 2,400 shares | $20,616 |
| TIDAL TRUST III | COM | 45259A688 | — | 650 shares | $20,559 |
| WSFS FINL CORP | COM | 929328102 | — | 272 shares | $20,555 |
| AIRO GROUP HLDGS INC | PUT | 009422956 | PUT | 3,100 shares | $20,491 |
| CTO RLTY GROWTH INC NEW | PUT | 22948Q951 | PUT | 1,000 shares | $20,490 |
| INMUNE BIO INC | CALL | 45782T905 | CALL | 10,500 shares | $20,475 |
| MARRIOTT VACATIONS WORLDWIDE | PUT | 57164Y957 | PUT | 200 shares | $20,456 |
| COHERUS ONCOLOGY INC | CALL | 19249H903 | CALL | 16,900 shares | $20,449 |
| FARMLAND PARTNERS INC | CALL | 31154R909 | CALL | 1,800 shares | $20,430 |
| INNOVATOR ETFS TRUST | COM | 45782C862 | — | 230 shares | $20,426 |
| PDF SOLUTIONS INC | CALL | 693282905 | CALL | 400 shares | $20,420 |
| ADVANSIX INC | COM | 00773T101 | — | 1,282 shares | $20,409 |
| CRANE COMPANY | PUT | 224408954 | PUT | 100 shares | $20,402 |
| DIREXION SHARES ETF TRUST | PUT | 25460E959 | PUT | 700 shares | $20,370 |
| TIDAL TRUST II | PUT | 88636J956 | PUT | 900 shares | $20,367 |
| WISDOMTREE TR | CALL | 97717W907 | CALL | 500 shares | $20,364 |
| EGAIN CORP | CALL | 28225C906 | CALL | 3,500 shares | $20,352 |
| DUOS TECHNOLOGIES GROUP INC | CALL | 266042907 | CALL | 2,300 shares | $20,332 |
| EMERA INC | COM | 290876101 | — | 425 shares | $20,327 |
| VAREX IMAGING CORP | CALL | 92214X906 | CALL | 1,100 shares | $20,295 |
| VAREX IMAGING CORP | PUT | 92214X956 | PUT | 1,100 shares | $20,295 |
| PRENETICS GLOBAL LTD | COM | G72245122 | — | 877 shares | $20,285 |
| GRANITESHARES ETF TR | COM | 38747T450 | — | 1,399 shares | $20,285 |
| PRIORITY TECHNOLOGY HLDGS IN | CALL | 74275G907 | CALL | 2,600 shares | $20,280 |
| CERTARA INC | CALL | 15687V909 | CALL | 2,200 shares | $20,240 |
| SAB BIOTHERAPEUTICS INC | COM | 78397T202 | — | 6,383 shares | $20,234 |
| TUCOWS INC | COM | 898697206 | — | 2,137 shares | $20,194 |
| PIMCO ETF TR | CALL | 72201R902 | CALL | 200 shares | $20,110 |
| ISHARES TR | PUT | 464288955 | PUT | 200 shares | $20,104 |
| HUDSON TECHNOLOGIES INC | CALL | 444144909 | CALL | 3,900 shares | $20,085 |
| CUSHMAN AND WAKEFIELD LTD | CALL | G2717C906 | CALL | 1,700 shares | $20,077 |
| SELECTQUOTE INC | CALL | 816307900 | CALL | 49,500 shares | $20,047 |
| INVESTMENT MANAGERS SER TR I | PUT | 46152A959 | PUT | 1,300 shares | $20,007 |
| LEONARDO DRS INC | COM | 52661A108 | — | 546 shares | $19,999 |
| ADICET BIO INC | CALL | 007002907 | CALL | 2,800 shares | $19,992 |
| THEMES ETF TR | CALL | 88340C903 | CALL | 1,300 shares | $19,968 |
| FARADAY FUTURE INTLGT ELEC I | PUT | 307359955 | PUT | 16,500 shares | $19,965 |
| NATWEST GROUP PLC | PUT | 639057957 | PUT | 1,100 shares | $19,965 |
| LATAM AIRLINES GROUP SA | PUT | 51817R955 | PUT | 400 shares | $19,956 |
| CARDIOL THERAPEUTICS INC | CALL | 14161Y900 | CALL | 12,000 shares | $19,920 |
| PRESIDIO PRODTN CO | CALL | 74102N901 | CALL | 2,000 shares | $19,920 |
| THEMES ETF TR | PUT | 882927954 | PUT | 400 shares | $19,919 |
| SOLANA CO | CALL | 42328V906 | CALL | 7,600 shares | $19,912 |
| ISHARES INC | CALL | 464286901 | CALL | 900 shares | $19,899 |
| HAYWARD HLDGS INC | COM | 421298100 | — | 1,625 shares | $19,890 |
| SCHWAB STRATEGIC TR | CALL | 808524908 | CALL | 900 shares | $19,836 |
| RED ROCK RESORTS INC | PUT | 75700L958 | PUT | 400 shares | $19,816 |
| SCHWAB STRATEGIC TR | PUT | 808524958 | PUT | 300 shares | $19,806 |
| PROSHARES TR | PUT | 74350U950 | PUT | 900 shares | $19,773 |
| ESAB CORPORATION | PUT | 29605J956 | PUT | 300 shares | $19,764 |
| EASTGROUP PPTYS INC | CALL | 277276901 | CALL | 100 shares | $19,745 |
| TIDAL TRUST II | CALL | 88636R903 | CALL | 700 shares | $19,740 |
| SCRIPPS E W CO OHIO | COM | 811054402 | — | 7,592 shares | $19,739 |
| PIONEER PWR SOLUTIONS INC | COM | 723836300 | — | 5,825 shares | $19,688 |
| VANGUARD MALVERN FDS | CALL | 922020905 | CALL | 400 shares | $19,688 |
| WISDOMTREE TR | CALL | 97717X907 | CALL | 600 shares | $19,686 |
| CIVEO CORP CDA | PUT | 17878Y957 | PUT | 600 shares | $19,674 |
| EVE HLDG INC | COM | 29970N104 | — | 10,191 shares | $19,668 |
| ALGONQUIN POWER & UTILITIES | COM | 015857105 | — | 3,909 shares | $19,662 |
| TIM S A | PUT | 88706T958 | PUT | 1,100 shares | $19,635 |
| CENTERRA GOLD INC | PUT | 152006952 | PUT | 900 shares | $19,602 |
| GSI TECHNOLOGY INC | CALL | 36241U906 | CALL | 3,600 shares | $19,602 |
| BROADSTONE NET LEASE INC | COM | 11135E203 | — | 1,059 shares | $19,591 |
| INVESCO EXCHANGE TRADED FD T | COM | 46137V845 | — | 99 shares | $19,586 |
| GREEN PLAINS INC | PUT | 393222954 | PUT | 1,300 shares | $19,578 |