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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) |
|---|---|---|---|---|---|
| WILEY JOHN & SONS INC | COM | 968223206 | — | 2,667 shares | $127,375 |
| SPDR SERIES TRUST | PUT | 78464A958 | PUT | 1,300 shares | $127,296 |
| ALECTOR INC | CALL | 014442907 | CALL | 68,800 shares | $127,280 |
| SLIDE INS HLDGS INC | PUT | 831349955 | PUT | 5,700 shares | $127,166 |
| ASPEN AEROGELS INC | CALL | 04523Y905 | CALL | 23,200 shares | $127,136 |
| LITTELFUSE INC | PUT | 537008954 | PUT | 300 shares | $127,122 |
| NEURONETICS INC | CALL | 64131A905 | CALL | 54,300 shares | $127,062 |
| KINIKSA PHARMACEUTICALS INTL | CALL | G52694909 | CALL | 1,700 shares | $126,837 |
| TRX GOLD CORPORATION | CALL | 87283P909 | CALL | 104,800 shares | $126,808 |
| PAYSIGN INC | CALL | 70451A904 | CALL | 9,400 shares | $126,712 |
| BANKUNITED INC | PUT | 06652K953 | PUT | 3,000 shares | $126,600 |
| INNOVATIVE SOLUTIONS & SUPPO | PUT | 45769N955 | PUT | 6,800 shares | $126,276 |
| CENTURI HOLDINGS INC | CALL | 155923905 | CALL | 6,300 shares | $126,251 |
| INVESTMENT MANAGERS SER TR I | CALL | 46092D906 | CALL | 6,500 shares | $126,100 |
| LOUISIANA PAC CORP | COM | 546347105 | — | 1,953 shares | $126,066 |
| NICE LTD | COM | 653656108 | — | 1,132 shares | $125,957 |
| MONRO INC | CALL | 610236901 | CALL | 9,000 shares | $125,910 |
| DIREXION SHARES ETF TRUST | CALL | 25461H901 | CALL | 2,200 shares | $125,840 |
| THEMES ETF TR | PUT | 882927954 | PUT | 3,900 shares | $125,736 |
| ANNOVIS BIO INC | CALL | 03615A908 | CALL | 98,900 shares | $125,603 |
| EYEPOINT INC | PUT | 30233G959 | PUT | 38,400 shares | $125,568 |
| PERRIGO CO PLC | CALL | G97822903 | CALL | 8,500 shares | $125,460 |
| FERROVIAL NV | COM | N3168P101 | — | 2,319 shares | $125,457 |
| LISTED FDS TR | CALL | 53656H905 | CALL | 3,600 shares | $125,388 |
| EASTERLY GOVT PPTYS INC | PUT | 27616P951 | PUT | 5,400 shares | $125,280 |
| IPG PHOTONICS CORP | PUT | 44980X959 | PUT | 1,600 shares | $125,248 |
| CENTERPOINT ENERGY INC | PUT | 15189T957 | PUT | 3,400 shares | $125,120 |
| NRG ENERGY INC | COM | 629377508 | — | 1,308 shares | $125,110 |
| EXCHANGE LISTED FDS TR | COM | 30151E491 | — | 3,022 shares | $125,080 |
| IRHYTHM HOLDINGS INC | PUT | 450056956 | PUT | 1,100 shares | $125,025 |
| PROSHARES TR | COM | 74350P535 | — | 5,205 shares | $125,001 |
| RAYONIER INC | PUT | 754907953 | PUT | 6,800 shares | $124,848 |
| HORIZON QUANTUM HOLDINGS LTD | CALL | Y4000A902 | CALL | 8,400 shares | $124,824 |
| INVESTMENT MANAGERS SER TR | PUT | 46143U952 | PUT | 13,000 shares | $124,800 |
| TAYSHA GENE THERAPIES INC | CALL | 877619906 | CALL | 25,600 shares | $124,672 |
| TIDAL TRUST II | PUT | 88636R953 | PUT | 4,600 shares | $124,614 |
| GLOBUS MARITIME LIMITED NEW | CALL | Y27265906 | CALL | 37,400 shares | $124,542 |
| OMADA HEALTH INC | COM | 68170A108 | — | 5,984 shares | $124,527 |
| CRYOPORT INC | COM | 229050307 | — | 7,151 shares | $124,427 |
| PROSHARES TR | COM | 74347R313 | — | 4,891 shares | $123,986 |
| W & T OFFSHORE INC | PUT | 92922P956 | PUT | 34,700 shares | $123,878 |
| GENWORTH FINL INC | CALL | 37247D906 | CALL | 13,800 shares | $123,786 |
| AIRJOULE TECHNOLOGIES CORP | COM | 612160101 | — | 31,652 shares | $123,442 |
| DORCHESTER MINERALS L P | CALL | 25820R905 | CALL | 4,400 shares | $123,375 |
| HESAI GROUP | COM | 428050108 | — | 7,732 shares | $123,325 |
| WARRIOR MET COAL INC | PUT | 93627C951 | PUT | 1,400 shares | $123,298 |
| GLOBAL X FDS | PUT | 37954Y959 | PUT | 1,800 shares | $123,156 |
| MACROGENICS INC | PUT | 556099959 | PUT | 31,900 shares | $123,134 |
| INVESCO EXCHANGE TRADED FD T | CALL | 46137V906 | CALL | 600 shares | $122,950 |
| ARTERIS INC | CALL | 04302A904 | CALL | 5,200 shares | $122,928 |
| INVESTMENT MANAGERS SER TR I | PUT | 46152N954 | PUT | 5,100 shares | $122,858 |
| BAIN CAP SPECIALTY FIN INC | PUT | 05684B957 | PUT | 11,100 shares | $122,543 |
| ISHARES TR | COM | 464287754 | — | 799 shares | $122,542 |
| KARTOON STUDIOS INC. | CALL | 37229T909 | CALL | 206,700 shares | $122,449 |
| ISHARES TR | PUT | 464287957 | PUT | 900 shares | $122,436 |
| TORO CO | COM | 891092108 | — | 1,268 shares | $122,260 |
| ALTO INGREDIENTS INC | CALL | 021513906 | CALL | 33,100 shares | $122,139 |
| BEL FUSE INC | CALL | 077347900 | CALL | 500 shares | $122,060 |
| DIREXION SHARES ETF TRUST | PUT | 25461A954 | PUT | 3,800 shares | $122,056 |
| GSI TECHNOLOGY INC | COM | 36241U106 | — | 22,413 shares | $122,038 |
| INVESCO EXCHANGE TRADED FD T | CALL | 46137V906 | CALL | 800 shares | $121,976 |
| ESTABLISHMENT LABS HLDGS INC | CALL | G31249908 | CALL | 1,900 shares | $121,923 |
| ALLOGENE THERAPEUTICS INC | CALL | 019770906 | CALL | 76,200 shares | $121,920 |
| EVERSOURCE ENERGY | CALL | 30040W908 | CALL | 1,900 shares | $121,904 |
| FEDERAL SIGNAL CORP | PUT | 313855958 | PUT | 1,100 shares | $121,869 |
| CONTANGO SILVER & GOLD INC | COM | 21077F100 | — | 7,260 shares | $121,822 |
| EVOLENT HEALTH INC | CALL | 30050B901 | CALL | 34,900 shares | $121,801 |
| CALERES INC | CALL | 129500904 | CALL | 10,000 shares | $121,800 |
| HCI GROUP INC | CALL | 40416E903 | CALL | 700 shares | $121,674 |
| IMMUNOCORE HLDGS PLC | COM | 45258D105 | — | 4,016 shares | $121,644 |
| BICARA THERAPEUTICS INC | COM | 055477103 | — | 6,536 shares | $121,634 |
| JELD-WEN HLDG INC | CALL | 47580P903 | CALL | 66,100 shares | $121,624 |
| CANOPY GROWTH CORPORATION | PUT | 138035954 | PUT | 135,400 shares | $121,345 |
| ETHAN ALLEN INTERIORS INC | CALL | 297602904 | CALL | 5,800 shares | $121,278 |
| UNIVERSAL CORP VA MTNS BK EN | PUT | 913456959 | PUT | 2,900 shares | $121,191 |
| INTERNATIONAL SEAWAYS INC | PUT | Y41053952 | PUT | 1,100 shares | $121,154 |
| AMERICAN PUB ED INC | COM | 02913V103 | — | 2,868 shares | $120,972 |
| AMPLITECH GROUP INC | COM | 03211Q200 | — | 38,463 shares | $120,773 |
| ANIXA BIOSCIENCES INC | CALL | 03528H909 | CALL | 41,200 shares | $120,716 |
| GATES INDL CORP LTD | CALL | G39104907 | CALL | 4,600 shares | $120,520 |
| VANGUARD WORLD FD | CALL | 92204A904 | CALL | 700 shares | $120,512 |
| IDAHO STRATEGIC RESOURCES | PUT | 645827955 | PUT | 4,300 shares | $120,400 |
| GLOBAL PARTNERS LP | CALL | 37946R909 | CALL | 2,600 shares | $120,379 |
| VANECK ETF TRUST | PUT | 92189F952 | PUT | 1,900 shares | $120,346 |
| ARQIT QUANTUM INC | CALL | G0567U907 | CALL | 5,000 shares | $120,300 |
| SSGA ACTIVE TR | CALL | 78470P905 | CALL | 4,200 shares | $119,994 |
| EQUIPMENTSHARE COM INC | PUT | 29445S950 | PUT | 6,900 shares | $119,853 |
| SPROTT FDS TR | PUT | 85208P951 | PUT | 2,200 shares | $119,768 |
| GRANITESHARES ETF TR | COM | 38747R777 | — | 7,651 shares | $119,585 |
| PROSHARES TR | COM | 74348A210 | — | 8,309 shares | $119,566 |
| BORR DRILLING LTD | CALL | G1466R903 | CALL | 30,700 shares | $119,423 |
| SPROUT SOCIAL INC | PUT | 85209W959 | PUT | 12,200 shares | $119,194 |
| CONMED CORP | COM | 207410101 | — | 2,576 shares | $119,088 |
| ASPEN AEROGELS INC | COM | 04523Y105 | — | 21,684 shares | $118,828 |
| ADVANCE AUTO PARTS INC | COM | 00751Y106 | — | 3,049 shares | $118,636 |
| ADT INC DEL | COM | 00090Q103 | — | 19,509 shares | $118,614 |
| ATOMERA INC | PUT | 04965B950 | PUT | 27,200 shares | $118,592 |
| ELEDON PHARMACEUTICALS INC | COM | 28617K101 | — | 46,866 shares | $118,570 |
| BEAM THERAPEUTICS INC | COM | 07373V105 | — | 4,846 shares | $118,484 |
| SANA BIOTECHNOLOGY INC | COM | 799566104 | — | 40,617 shares | $118,398 |