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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) |
|---|---|---|---|---|---|
| THE REALREAL INC | CALL | 88339P901 | CALL | 97,900 shares | $865,436 |
| CRESCENT ENERGY COMPANY | COM | 44952J104 | — | 67,139 shares | $865,421 |
| A2Z CUST2MATE SOLUTIONS CORP | COM | 002205102 | — | 150,477 shares | $865,242 |
| POLESTAR AUTOMOTIVE HLDG UK | CALL | 731105909 | CALL | 132,300 shares | $865,242 |
| TSAKOS ENERGY NAVIGATION LTD | CALL | G9108L903 | CALL | 18,300 shares | $864,675 |
| NCR VOYIX CORPORATION | CALL | 62886E908 | CALL | 126,300 shares | $863,892 |
| KANZHUN LIMITED | COM | 48553T106 | — | 58,366 shares | $863,816 |
| ONESPAN INC | COM | 68287N100 | — | 48,214 shares | $863,512 |
| DEFI DEVELOPMENT CORP | COM | 47100L301 | — | 160,621 shares | $862,534 |
| VANGUARD TAX-MANAGED FDS | CALL | 921943908 | CALL | 12,200 shares | $861,442 |
| ISHARES TR | COM | 464288224 | — | 50,672 shares | $861,424 |
| GLOBAL X FDS | PUT | 37954Y959 | PUT | 13,200 shares | $860,111 |
| PURECYCLE TECHNOLOGIES INC | PUT | 74623V953 | PUT | 194,900 shares | $859,509 |
| GLOBAL X FDS | PUT | 37960A953 | PUT | 14,300 shares | $859,144 |
| CRYOPORT INC | CALL | 229050907 | CALL | 49,300 shares | $857,820 |
| PLANET FITNESS MASTER ISSUER | CALL | 72703H901 | CALL | 20,300 shares | $857,066 |
| MURPHY USA INC | PUT | 626755952 | PUT | 1,700 shares | $856,851 |
| OBSIDIAN ENERGY LTD | COM | 674482203 | — | 83,170 shares | $856,651 |
| CARPENTER TECHNOLOGY CORP | CALL | 144285903 | CALL | 2,200 shares | $855,404 |
| INTELLIA THERAPEUTICS INC | PUT | 45826J955 | PUT | 70,900 shares | $855,054 |
| WENDYS CO | COM | 95058W100 | — | 133,998 shares | $854,907 |
| UNUSUAL MACHS INC | COM | 91532F102 | — | 34,919 shares | $854,817 |
| KENVUE INC | PUT | 49177J952 | PUT | 48,400 shares | $854,744 |
| AMERICAN WTR WKS CO INC NEW | CALL | 030420903 | CALL | 6,600 shares | $854,502 |
| STAR BULK CARRIERS CORP. | PUT | Y8162K954 | PUT | 29,100 shares | $854,376 |
| ARRIVENT BIOPHARMA INC | CALL | 04272N902 | CALL | 28,200 shares | $853,896 |
| FORUM MARKETS INC | PUT | 68236V951 | PUT | 180,700 shares | $852,903 |
| BIOMARIN PHARMACEUTICAL INC | PUT | 09061G951 | PUT | 14,200 shares | $852,000 |
| MICROVISION INC DEL | CALL | 594960903 | CALL | 567,400 shares | $851,100 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 40,400 shares | $850,824 |
| AMPLIFY ETF TR | COM | 032108664 | — | 7,017 shares | $850,741 |
| FULCRUM THERAPEUTICS INC | CALL | 359616909 | CALL | 229,200 shares | $848,040 |
| ITT INC | CALL | 45073V908 | CALL | 4,200 shares | $847,644 |
| ISHARES TR | PUT | 464287957 | PUT | 3,700 shares | $844,636 |
| PROSHARES TR | COM | 74347G804 | — | 14,565 shares | $844,478 |
| TEXAS ROADHOUSE INC | PUT | 882681959 | PUT | 5,400 shares | $844,236 |
| CMB.TECH NV | CALL | B38564908 | CALL | 44,500 shares | $842,385 |
| CIRRUS LOGIC INC | COM | 172755100 | — | 7,020 shares | $842,189 |
| RADNET INC | PUT | 750491952 | PUT | 12,200 shares | $841,068 |
| OLLIES BARGAIN OUTLET HLDGS | PUT | 681116959 | PUT | 9,800 shares | $839,370 |
| MONOLITHIC PWR SYS INC | COM | 609839105 | — | 623 shares | $839,318 |
| MARSH & MCLENNAN COS INC | COM | 571748102 | — | 4,914 shares | $838,967 |
| KOSMOS ENERGY LTD | PUT | 500688956 | PUT | 330,300 shares | $838,962 |
| VANECK ETF TRUST | PUT | 92189F952 | PUT | 8,100 shares | $838,026 |
| REINSURANCE GROUP AMER INC | PUT | 759351954 | PUT | 3,400 shares | $837,216 |
| GLOBALSTAR INC | PUT | 378973957 | PUT | 10,100 shares | $837,189 |
| QUALYS INC | COM | 74758T303 | — | 4,464 shares | $835,660 |
| TOLL BROTHERS INC | PUT | 889478953 | PUT | 6,200 shares | $835,450 |
| FIDELITY NATL INFORMATION SV | COM | 31620M106 | — | 25,393 shares | $835,429 |
| STARLING ONCOLOGY INC | CALL | 68236X900 | CALL | 132,100 shares | $834,872 |
| HARLEY DAVIDSON INC | COM | 412822108 | — | 34,139 shares | $834,015 |
| VERMILION ENERGY INC | COM | 923725105 | — | 73,189 shares | $833,622 |
| STIFEL FINL CORP | PUT | 860630952 | PUT | 11,900 shares | $833,476 |
| UROGEN PHARMA LTD | PUT | M96088955 | PUT | 20,500 shares | $832,915 |
| COMSTOCK INC | COM | 205750409 | — | 358,960 shares | $832,787 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152N904 | CALL | 40,300 shares | $832,598 |
| ISHARES TR | PUT | 464287957 | PUT | 8,000 shares | $832,320 |
| HALOZYME THERAPEUTICS INC | COM | 40637H109 | — | 7,536 shares | $831,974 |
| SPDR SERIES TRUST | COM | 78464A540 | — | 4,097 shares | $831,650 |
| ALKERMES PLC | PUT | G01767955 | PUT | 20,500 shares | $830,660 |
| ACADIA HEALTHCARE COMPANY IN | PUT | 00404A959 | PUT | 30,200 shares | $830,500 |
| SPDR SERIES TRUST | CALL | 78468R907 | CALL | 18,300 shares | $830,271 |
| WESTERN MIDSTREAM PARTNERS L | PUT | 958669953 | PUT | 18,700 shares | $829,719 |
| TIDAL TRUST II | PUT | 88634T951 | PUT | 65,000 shares | $828,100 |
| VORNADO RLTY TR | CALL | 929042909 | CALL | 24,400 shares | $826,672 |
| HALLADOR ENERGY COMPANY | CALL | 40609P905 | CALL | 59,600 shares | $826,652 |
| YUM CHINA HLDGS INC | PUT | 98850P959 | PUT | 20,100 shares | $826,110 |
| MEDLINE INC | CALL | 58507V907 | CALL | 23,800 shares | $825,860 |
| XENON PHARMACEUTICALS INC | PUT | 98420N955 | PUT | 22,200 shares | $825,617 |
| ALLIANCEBERNSTEIN HLDG L P | COM | 01881G106 | — | 23,618 shares | $823,795 |
| ISHARES TR | PUT | 464287957 | PUT | 8,700 shares | $822,498 |
| VAIL RESORTS INC | COM | 91879Q109 | — | 5,987 shares | $821,296 |
| PROSHARES TR II | CALL | 74347Y908 | CALL | 32,900 shares | $820,197 |
| STRIVE INC | PUT | 862945950 | PUT | 8,200 shares | $820,082 |
| EDWARDS LIFESCIENCES CORP | PUT | 28176E958 | PUT | 9,500 shares | $820,040 |
| TRAVELERS COMPANIES INC | PUT | 89417E959 | PUT | 2,300 shares | $819,973 |
| LUXEXPERIENCE BV | PUT | 55406W953 | PUT | 82,700 shares | $819,557 |
| GEVO INC | CALL | 374396906 | CALL | 623,200 shares | $819,507 |
| FLUENCE ENERGY INC | PUT | 34379V953 | PUT | 106,700 shares | $819,456 |
| AZZ INC | COM | 002474104 | — | 6,097 shares | $819,375 |
| ETF SER SOLUTIONS | PUT | 26922A952 | PUT | 5,400 shares | $818,748 |
| GRANITESHARES ETF TR | COM | 38747R751 | — | 10,353 shares | $818,715 |
| WESTERN ALLIANCE BANCORP | PUT | 957638959 | PUT | 10,900 shares | $818,590 |
| MINERALYS THERAPEUTICS INC | COM | 603170101 | — | 32,507 shares | $816,900 |
| ASSURANT INC | CALL | 04621X908 | CALL | 3,100 shares | $816,850 |
| MSC INDL DIRECT INC | PUT | 553530956 | PUT | 6,600 shares | $816,552 |
| KYIVSTAR GROUP LTD | CALL | G5331N901 | CALL | 65,900 shares | $813,206 |
| VISTA ENERGY S.A.B. DE C.V. | COM | 92837L109 | — | 12,440 shares | $812,953 |
| TSAKOS ENERGY NAVIGATION LTD | PUT | G9108L953 | PUT | 17,200 shares | $812,700 |
| EXPEDITORS INTL WASH INC | CALL | 302130909 | CALL | 4,400 shares | $812,416 |
| GREIF INC | COM | 397624107 | — | 10,197 shares | $811,579 |
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 33,300 shares | $811,188 |
| TIDAL TRUST II | COM | 88636R479 | — | 28,761 shares | $811,060 |
| LIFETIME BRANDS INC | CALL | 53222Q903 | CALL | 94,300 shares | $810,980 |
| ETFIS SER TR I | CALL | 26923G902 | CALL | 40,900 shares | $807,775 |
| ISHARES TR | COM | 464287226 | — | 8,534 shares | $806,804 |
| HUNT J B TRANS SVCS INC | CALL | 445658907 | CALL | 3,600 shares | $806,580 |
| CENTURY ALUM CO | PUT | 156431958 | PUT | 22,400 shares | $805,951 |
| SMUCKER J M CO | COM | 832696405 | — | 6,766 shares | $804,545 |
| SHIFT4 PMTS INC | COM | 82452J109 | — | 22,243 shares | $804,529 |