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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) |
|---|---|---|---|---|---|
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 200 shares | $980 |
| TONIX PHARMACEUTICALS HLDG C | PUT | 890260959 | PUT | 100 shares | $974 |
| FIRST TR EXCHANGE TRADED FD | COM | 33741X102 | — | 24 shares | $973 |
| CORE LABORATORIES INC | PUT | 21867A955 | PUT | 100 shares | $969 |
| ROUNDHILL ETF TRUST | COM | 77926X692 | — | 57 shares | $969 |
| THEMES ETF TR | COM | 882927387 | — | 259 shares | $968 |
| INVESCO EXCHANGE TRADED FD T | COM | 46137V365 | — | 9 shares | $967 |
| INVESCO ACTVELY MNGD ETC FD | COM | 46090F100 | — | 50 shares | $965 |
| ORGANOGENESIS HLDGS INC | PUT | 68621F952 | PUT | 700 shares | $959 |
| GOLDGROUP MNG INC | CALL | 38141A902 | CALL | 300 shares | $957 |
| MEDIAALPHA INC | PUT | 58450V954 | PUT | 100 shares | $957 |
| ETF OPPORTUNITIES TRUST | CALL | 26923V908 | CALL | 300 shares | $957 |
| DIREXION SHARES ETF TRUST | CALL | 25461A904 | CALL | 200 shares | $955 |
| VOLITIONRX LTD | CALL | 928661906 | CALL | 3,700 shares | $954 |
| SIMPLY GOOD FOODS CO | CALL | 82900L902 | CALL | 100 shares | $949 |
| RESERVOIR MEDIA INC | CALL | 76119X905 | CALL | 100 shares | $948 |
| RESERVOIR MEDIA INC | PUT | 76119X955 | PUT | 100 shares | $948 |
| ETF OPPORTUNITIES TRUST | COM | 26923N280 | — | 227 shares | $946 |
| ATOUR LIFESTYLE HLDGS LTD | COM | 04965M106 | — | 29 shares | $945 |
| TIDAL TRUST II | CALL | 88636W906 | CALL | 100 shares | $941 |
| NATURES SUNSHINE PRODS INC | COM | 639027101 | — | 74 shares | $939 |
| FIRST TR EXCHNG TRADED FD VI | COM | 33740F540 | — | 60 shares | $934 |
| QUAD / GRAPHICS INC | CALL | 747301909 | CALL | 100 shares | $923 |
| WEREWOLF THERAPEUTICS INC | PUT | 95075A957 | PUT | 1,000 shares | $922 |
| SAVERS VALUE VLG INC | CALL | 80517M909 | CALL | 100 shares | $921 |
| CUSTOM TRUCK ONE SOURCE INC | CALL | 23204X903 | CALL | 100 shares | $911 |
| VANECK ETF TRUST | COM | 92189F627 | — | 20 shares | $901 |
| INVESCO EXCH TRADED FD TR II | COM | 46138E131 | — | 70 shares | $899 |
| AWARE INC MASS | CALL | 05453N900 | CALL | 800 shares | $896 |
| SEER INC | CALL | 81578P906 | CALL | 400 shares | $892 |
| PIEDMONT REALTY TRUST INC | CALL | 720190906 | CALL | 100 shares | $890 |
| LIBERTY GLOBAL LTD | CALL | G61188907 | CALL | 100 shares | $889 |
| AMPCO-PITTSBURG CORP | PUT | 032037953 | PUT | 100 shares | $885 |
| WORLD FDS TR | PUT | 98148L953 | PUT | 300 shares | $882 |
| QUEST RESOURCE HLDG CORP | COM | 74836W203 | — | 649 shares | $882 |
| ETF OPPORTUNITIES TRUST | CALL | 26923Q901 | CALL | 100 shares | $881 |
| NERDWALLET INC | CALL | 64082B902 | CALL | 100 shares | $877 |
| NERDWALLET INC | PUT | 64082B952 | PUT | 100 shares | $877 |
| COMPANIA CERVECERIAS UNIDAS | COM | 204429104 | — | 84 shares | $876 |
| NIAGEN BIOSCIENCE INC | CALL | 171077907 | CALL | 300 shares | $876 |
| NIAGEN BIOSCIENCE INC | PUT | 171077957 | PUT | 300 shares | $876 |
| REGIONAL MGMT CORP | COM | 75902K106 | — | 29 shares | $876 |
| ADVISORSHARES TR | PUT | 00768Y950 | PUT | 300 shares | $874 |
| RADIANT LOGISTICS INC | CALL | 75025X900 | CALL | 100 shares | $869 |
| INVESTMENT MANAGERS SER TR I | PUT | 46152A959 | PUT | 100 shares | $869 |
| ACACIA RESH CORP | CALL | 003881907 | CALL | 200 shares | $861 |
| ENVELA CORP | COM | 29402E102 | — | 71 shares | $857 |
| SUZANO S A | CALL | 86959K905 | CALL | 100 shares | $857 |
| ORION PROPERTIES INC | COM | 68629Y103 | — | 344 shares | $856 |
| PLAYTIKA HLDG CORP | PUT | 72815L957 | PUT | 400 shares | $856 |
| KARYOPHARM THERAPEUTICS INC | CALL | 48576U905 | CALL | 700 shares | $854 |
| LARGO INC | COM | 517097101 | — | 1,745 shares | $848 |
| DIREXION SHARES ETF TRUST | COM | 25461H457 | — | 50 shares | $844 |
| NOVONIX LIMITED | COM | 67010L209 | — | 321 shares | $841 |
| REPOSITRAK INC | CALL | 700215904 | CALL | 100 shares | $836 |
| RANGER ENERGY SVCS INC | COM | 75282U104 | — | 55 shares | $835 |
| PROKIDNEY CORP | PUT | 74291D954 | PUT | 500 shares | $830 |
| EVOMMUNE INC | PUT | 30054Y957 | PUT | 100 shares | $826 |
| ARKO CORP | PUT | 041242958 | PUT | 200 shares | $824 |
| PACIRA BIOSCIENCES INC | COM | 695127100 | — | 32 shares | $801 |
| DIREXION SHARES ETF TRUST | COM | 25461A403 | — | 80 shares | $796 |
| WORLD FDS TR | CALL | 98148L903 | CALL | 100 shares | $794 |
| TRONOX HOLDINGS PLC | PUT | G9087Q952 | PUT | 200 shares | $790 |
| WATERBRIDGE INFRASTRUCTURE L | COM | 940923105 | — | 28 shares | $787 |
| PERSHING SQUARE INC | COM | 71531U102 | — | 14 shares | $783 |
| GRANITESHARES ETF TR | COM | 38747T567 | — | 53 shares | $780 |
| TIDAL TRUST II | COM | 88636R602 | — | 197 shares | $770 |
| SPDR SERIES TRUST | COM | 78468R606 | — | 34 shares | $768 |
| KRONOS WORLDWIDE INC | PUT | 50105F955 | PUT | 100 shares | $765 |
| TIDAL TRUST II | COM | 88636X476 | — | 100 shares | $763 |
| TIDAL TRUST II | PUT | 88636X950 | PUT | 100 shares | $763 |
| OFS CAP CORP | COM | 67103B100 | — | 209 shares | $757 |
| FRANKLIN STR PPTYS CORP | PUT | 35471R956 | PUT | 2,000 shares | $754 |
| TIDAL TRUST II | CALL | 88636X900 | CALL | 100 shares | $750 |
| BEAM GLOBAL | COM | 07373B109 | — | 664 shares | $750 |
| INVESCO EXCH TRADED FD TR II | COM | 46138G557 | — | 40 shares | $749 |
| OVID THERAPEUTICS INC | PUT | 690469951 | PUT | 300 shares | $747 |
| NET POWER INC | PUT | 64107A955 | PUT | 500 shares | $745 |
| STELLUS CAP INVT CORP | CALL | 858568908 | CALL | 100 shares | $742 |
| TELA BIO INC | COM | 872381108 | — | 644 shares | $740 |
| AGNT INC | PUT | 30212W950 | PUT | 200 shares | $734 |
| THEMES ETF TR | PUT | 88340C953 | PUT | 200 shares | $734 |
| ATERIAN INC | COM | 02156U200 | — | 1,235 shares | $724 |
| REPAY HLDGS CORP | PUT | 76029L950 | PUT | 200 shares | $724 |
| FLUX PWR HLDGS INC | CALL | 344057902 | CALL | 1,600 shares | $721 |
| CLARITEV CORPORATION | COM | 62548M209 | — | 34 shares | $719 |
| ONESPAWORLD HOLDINGS LIMITED | COM | P73684113 | — | 32 shares | $719 |
| INSIGHT MOLECULAR DIA INC | PUT | 68235C956 | PUT | 200 shares | $718 |
| BEYONDSPRING INC | COM | G10830100 | — | 929 shares | $715 |
| CERUS CORP | PUT | 157085951 | PUT | 300 shares | $714 |
| VALARIS LTD | COM | G9460G101 | — | 84 shares | $714 |
| ARTIVA BIOTHERAPEUTICS INC | PUT | 04317A957 | PUT | 100 shares | $712 |
| EHEALTH INC | PUT | 28238P959 | PUT | 1,000 shares | $710 |
| DIREXION SHARES ETF TRUST | CALL | 25460G906 | CALL | 100 shares | $710 |
| IMMUTEP LTD | COM | 45257L207 | — | 152 shares | $706 |
| OTTER TAIL CORP | COM | 689648103 | — | 8 shares | $704 |
| KVH INDS INC | CALL | 482738901 | CALL | 100 shares | $703 |
| INVESCO EXCHANGE TRADED FD T | COM | 46137V274 | — | 10 shares | $701 |
| WHITEHORSE FIN INC | CALL | 96524V906 | CALL | 100 shares | $699 |
| WHITEHORSE FIN INC | PUT | 96524V956 | PUT | 100 shares | $699 |