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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) |
|---|---|---|---|---|---|
| SPROTT ETF TRUST | COM | 85210B102 | — | 55 shares | $4,074 |
| STAGWELL INC | CALL | 85256A909 | CALL | 500 shares | $4,070 |
| MNTN INC | CALL | 55318A908 | CALL | 400 shares | $4,068 |
| FIRST TR EXCHANGE TRADED FD | PUT | 33738R956 | PUT | 100 shares | $4,052 |
| SES AI CORPORATION | COM | 78397Q109 | — | 6,744 shares | $4,046 |
| PROSHARES TR | COM | 74347R669 | — | 42 shares | $4,043 |
| FIDELITY COVINGTON TRUST | CALL | 31609A903 | CALL | 100 shares | $4,038 |
| INSEEGO CORP | PUT | 45782B952 | PUT | 1,100 shares | $4,026 |
| AVIENT CORPORATION | CALL | 05368V906 | CALL | 100 shares | $4,025 |
| NEONODE INC | PUT | 64051M959 | PUT | 4,500 shares | $4,023 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152A909 | CALL | 500 shares | $4,022 |
| DIMENSIONAL ETF TRUST | PUT | 25434V950 | PUT | 100 shares | $4,017 |
| GH RESEARCH PLC | COM | G3855L106 | — | 171 shares | $4,015 |
| GREENBRIER COS INC | CALL | 393657901 | CALL | 100 shares | $4,007 |
| EA SERIES TRUST | CALL | 02072L902 | CALL | 100 shares | $4,004 |
| ENERGY RECOVERY INC | PUT | 29270J950 | PUT | 600 shares | $4,001 |
| CIA ENERGETICA DE MINAS GERA | CALL | 204409901 | CALL | 1,900 shares | $3,990 |
| LISTED FDS TR | PUT | 53656F957 | PUT | 200 shares | $3,989 |
| NEW PAC METALS CORP | COM | 64782A107 | — | 635 shares | $3,987 |
| VNET GROUP INC | COM | 90138A103 | — | 718 shares | $3,984 |
| SPRINKLR INC | CALL | 85208T907 | CALL | 800 shares | $3,960 |
| FIDELITY COVINGTON TRUST | COM | 316092840 | — | 65 shares | $3,947 |
| CALAMOS ETF TR | COM | 12811T571 | — | 148 shares | $3,939 |
| DOUGLAS DYNAMICS INC | CALL | 25960R905 | CALL | 100 shares | $3,925 |
| DOUGLAS DYNAMICS INC | PUT | 25960R955 | PUT | 100 shares | $3,925 |
| APYX MEDICAL CORPORATION | CALL | 03837C906 | CALL | 1,600 shares | $3,920 |
| LYELL IMMUNOPHARMA INC | CALL | 55083R903 | CALL | 400 shares | $3,915 |
| TIDAL TRUST II | PUT | 88636W956 | PUT | 300 shares | $3,906 |
| DULUTH HLDGS INC | PUT | 26443V951 | PUT | 1,000 shares | $3,900 |
| PRA GROUP INC | CALL | 69354N906 | CALL | 200 shares | $3,897 |
| PRA GROUP INC | PUT | 69354N956 | PUT | 200 shares | $3,897 |
| TAYSHA GENE THERAPIES INC | PUT | 877619956 | PUT | 800 shares | $3,896 |
| ALLOGENE THERAPEUTICS INC | COM | 019770106 | — | 2,431 shares | $3,889 |
| CINEVERSE CORP | COM | 172406308 | — | 1,943 shares | $3,886 |
| THEMES ETF TR | CALL | 88340C903 | CALL | 700 shares | $3,885 |
| AUREUS GREENWAY HLDGS INC | PUT | 05156D952 | PUT | 1,000 shares | $3,880 |
| SOHU COM LTD | CALL | 83410S908 | CALL | 300 shares | $3,876 |
| ACCENDRA HEALTH INC | COM | 690732102 | — | 6,876 shares | $3,871 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 300 shares | $3,856 |
| APYX MEDICAL CORPORATION | COM | 03837C106 | — | 1,571 shares | $3,848 |
| MINDWALK HOLDINGS CORP | CALL | 602687905 | CALL | 2,900 shares | $3,842 |
| CORGI ETF TR I | CALL | 218946907 | CALL | 100 shares | $3,834 |
| WORLD FDS TR | CALL | 98148L903 | CALL | 1,300 shares | $3,822 |
| BLACKROCK ETF TRUST | COM | 09290C103 | — | 55 shares | $3,809 |
| ENTRADA THERAPEUTICS INC | CALL | 29384C908 | CALL | 600 shares | $3,809 |
| FIRST TR EXCHANGE-TRADED ALP | CALL | 33737M909 | CALL | 1,000 shares | $3,801 |
| DYADIC INTL INC DEL | COM | 26745T101 | — | 8,545 shares | $3,799 |
| WASHINGTON TR BANCORP INC | CALL | 940610908 | CALL | 100 shares | $3,799 |
| ZENATECH INC | PUT | 98936T958 | PUT | 2,900 shares | $3,799 |
| ETF OPPORTUNITIES TRUST | PUT | 26923Q951 | PUT | 1,300 shares | $3,796 |
| TIDAL TRUST III | COM | 45259A837 | — | 146 shares | $3,796 |
| ATLANTIC UN BANKSHARES CORP | PUT | 04911A957 | PUT | 100 shares | $3,795 |
| REX AMERICAN RES CORP | COM | 761624105 | — | 87 shares | $3,780 |
| INVE TECHNOLOGIES INC | PUT | 45170X955 | PUT | 1,600 shares | $3,776 |
| MAXIMUS INC | COM | 577933104 | — | 71 shares | $3,776 |
| BRP INC | COM | 05577W200 | — | 67 shares | $3,760 |
| SI BONE INC | PUT | 825704959 | PUT | 200 shares | $3,760 |
| INVESTMENT MANAGERS SER TR I | CALL | 46092D906 | CALL | 200 shares | $3,749 |
| SIFY TECHNOLOGIES LTD | COM | 82655M206 | — | 281 shares | $3,745 |
| SSGA ACTIVE ETF TR | CALL | 78467V908 | CALL | 100 shares | $3,742 |
| WESBANCO INC | CALL | 950810901 | CALL | 100 shares | $3,742 |
| NMI HLDGS INC | PUT | 629209955 | PUT | 100 shares | $3,732 |
| THRYV HLDGS INC | COM | 886029206 | — | 2,367 shares | $3,716 |
| KNOWLES CORP | CALL | 49926D909 | CALL | 100 shares | $3,715 |
| PROSPERITY BANCSHARES INC | COM | 743606105 | — | 56 shares | $3,707 |
| GENERAL FUSION GROUP LTD | PUT | 369884951 | PUT | 500 shares | $3,705 |
| RYAN SPECIALTY HOLDINGS INC | PUT | 78351F957 | PUT | 100 shares | $3,700 |
| TABOOLA.COM LTD | PUT | M8744T956 | PUT | 1,100 shares | $3,696 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 300 shares | $3,678 |
| NKARTA INC | CALL | 65487U908 | CALL | 1,400 shares | $3,668 |
| NOVONIX LIMITED | CALL | 67010L909 | CALL | 1,400 shares | $3,668 |
| PROSHARES TR II | PUT | 74347W952 | PUT | 200 shares | $3,652 |
| GRANITESHARES ETF TR | CALL | 38747T900 | CALL | 100 shares | $3,643 |
| SHUTTERSTOCK INC | COM | 825690100 | — | 862 shares | $3,637 |
| AUDIOEYE INC | COM | 050734201 | — | 540 shares | $3,628 |
| NU SKIN ENTERPRISES INC | CALL | 67018T905 | CALL | 800 shares | $3,624 |
| SSGA ACTIVE ETF TR | PUT | 78467V958 | PUT | 100 shares | $3,619 |
| TIDAL TRUST II | COM | 88636J568 | — | 210 shares | $3,612 |
| KIMBALL ELECTRONICS INC | COM | 49428J109 | — | 132 shares | $3,607 |
| PENNANTPARK INVTS CORP | COM | 708062104 | — | 1,093 shares | $3,606 |
| HUDSON TECHNOLOGIES INC | PUT | 444144959 | PUT | 700 shares | $3,605 |
| XPONENTIAL FITNESS INC | CALL | 98422X901 | CALL | 800 shares | $3,600 |
| PROSHARES TR | COM | 74347B698 | — | 50 shares | $3,586 |
| FIRST AMERN FINL CORP | COM | 31847R102 | — | 59 shares | $3,583 |
| NU SKIN ENTERPRISES INC | COM | 67018T105 | — | 790 shares | $3,578 |
| FIDELITY COVINGTON TRUST | COM | 316092865 | — | 70 shares | $3,573 |
| ETF SER SOLUTIONS | COM | 26922A289 | — | 42 shares | $3,571 |
| KURV ETF TR | PUT | 500948950 | PUT | 100 shares | $3,563 |
| GLOBAL X FDS | COM | 37960A735 | — | 51 shares | $3,561 |
| ISHARES S&P GSCI COMMODITY- | PUT | 46428R957 | PUT | 100 shares | $3,557 |
| CASTLE BIOSCIENCES INC | CALL | 14843C905 | CALL | 100 shares | $3,553 |
| EVOLUTION PETE CORP | PUT | 30049A957 | PUT | 1,000 shares | $3,540 |
| APOGEE ENTERPRISES INC | CALL | 037598909 | CALL | 100 shares | $3,536 |
| ETF OPPORTUNITIES TRUST | PUT | 26923Q951 | PUT | 400 shares | $3,524 |
| WORTHINGTON STL INC | PUT | 982104951 | PUT | 100 shares | $3,522 |
| SCHOLASTIC CORP | PUT | 807066955 | PUT | 100 shares | $3,515 |
| ICL GROUP LTD | PUT | M53213950 | PUT | 700 shares | $3,513 |
| AVISTA CORP | CALL | 05379B907 | CALL | 100 shares | $3,509 |
| FLYWIRE CORPORATION | CALL | 302492903 | CALL | 200 shares | $3,500 |
| MIDCAP FINANCIAL INVSTMNT CO | CALL | 03761U902 | CALL | 400 shares | $3,496 |