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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
- Sep 30, 2026: $183,823,872,854
More quarters will appear as history becomes available.
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) |
|---|---|---|---|---|---|
| OXFORD SQUARE CAP CORP | PUT | 69181V957 | PUT | 100 shares | $128 |
| TVARDI THERAPEUTICS INC | PUT | 140755957 | PUT | 100 shares | $125 |
| AMPLIFY ETF TR | COM | 032108599 | — | 2 shares | $124 |
| INOVIO PHARMACEUTICALS INC | PUT | 45773H959 | PUT | 100 shares | $122 |
| OPENDOOR TECHNOLOGIES INC | COM | 683712103 | — | 964 shares | $116 |
| CONNECT BIOPHARMA HLDGS LTD | CALL | G23549901 | CALL | 100 shares | $110 |
| GROVE COLLABORATIVE HOLD INC | PUT | 39957D951 | PUT | 100 shares | $106 |
| ETF OPPORTUNITIES TRUST | COM | 26923N199 | — | 13 shares | $106 |
| BLEND LABS INC | CALL | 09352U908 | CALL | 100 shares | $103 |
| INTERFACE INC | COM | 458665304 | — | 3 shares | $103 |
| NEOS ETF TRUST | PUT | 78433H955 | PUT | 200 shares | $103 |
| LENSAR INC | PUT | 52634L958 | PUT | 100 shares | $102 |
| CADRE HLDGS INC | COM | 12763L105 | — | 4 shares | $100 |
| ISHARES TR | COM | 464288638 | — | 2 shares | $100 |
| THEMES ETF TR | COM | 88340F845 | — | 104 shares | $98 |
| THEMES ETF TR | PUT | 88340F955 | PUT | 100 shares | $95 |
| STANDARD NUCLEAR INC | CALL | 853678900 | CALL | 200 shares | $95 |
| RESEARCH FRONTIERS INC | COM | 760911107 | — | 126 shares | $92 |
| ATYR PHARMA INC | PUT | 002120952 | PUT | 300 shares | $90 |
| DEFINITIVE HEALTHCARE CORP | COM | 24477E103 | — | 100 shares | $90 |
| GRANITESHARES ETF TR | COM | 38747R421 | — | 14 shares | $78 |
| LOOP INDS INC | COM | 543518104 | — | 160 shares | $66 |
| RENAISSANCE CAP GREENWICH FD | CALL | 759937903 | CALL | 400 shares | $64 |
| STREAMEX CORP | PUT | 09073N950 | PUT | 100 shares | $64 |
| IRIDEX CORP | PUT | 462684951 | PUT | 100 shares | $63 |
| WHITEHAWK THERAPEUTICS INC | COM | 00032Q104 | — | 17 shares | $63 |
| ISHARES TR | COM | 464287374 | — | 1 shares | $61 |
| SERES THERAPEUTICS INC | COM | 81750R201 | — | 18 shares | $60 |
| BANK OF N T BUTTERFIELD & SO | COM | G0772R208 | — | 1 shares | $57 |
| ACCENDRA HEALTH INC | PUT | 690732952 | PUT | 100 shares | $56 |
| BIOCERES CROP SOLUTIONS CORP | COM | G1117K114 | — | 162 shares | $56 |
| TIDAL TRUST II | COM | 88636J774 | — | 5 shares | $56 |
| DBX ETF TR | PUT | 23306X956 | PUT | 100 shares | $53 |
| J P MORGAN EXCHANGE TRADED F | COM | 46641Q837 | — | 1 shares | $50 |
| PACER FDS TR | PUT | 69374H951 | PUT | 100 shares | $49 |
| EA SERIES TRUST | COM | 02072L680 | — | 1 shares | $49 |
| BLAIZE HLDGS INC | PUT | 092915957 | PUT | 100 shares | $47 |
| SIEBERT FINL CORP | CALL | 826176909 | CALL | 100 shares | $47 |
| GROVE COLLABORATIVE HOLD INC | COM | 39957D201 | — | 44 shares | $46 |
| TVARDI THERAPEUTICS INC | COM | 140755307 | — | 36 shares | $45 |
| COSMOS HEALTH INC | CALL | 221413905 | CALL | 100 shares | $43 |
| LOOP INDS INC | PUT | 543518954 | PUT | 100 shares | $41 |
| MEREO BIOPHARMA GROUP PLC | PUT | 589492957 | PUT | 100 shares | $40 |
| XBIOTECH INC | PUT | 98400H952 | PUT | 100 shares | $40 |
| FARADAY FUTURE INTLGT ELEC I | COM | 307359869 | — | 33 shares | $39 |
| TEADS HLDG CO | COM | 69002R103 | — | 77 shares | $39 |
| RESERVOIR MEDIA INC | COM | 76119X105 | — | 4 shares | $37 |
| MERCER INTL INC | PUT | 588056951 | PUT | 100 shares | $31 |
| KEY TRONIC CORP | COM | 493144109 | — | 14 shares | $29 |
| INFORMATION SVCS GROUP INC | PUT | 45675Y954 | PUT | 100 shares | $25 |
| GLOBAL X FDS | COM | 37960A859 | — | 1 shares | $22 |
| THEMES ETF TR | PUT | 88340C953 | PUT | 100 shares | $22 |
| BLACKROCK ETF TRUST | CALL | 09290C903 | CALL | 100 shares | $19 |
| INSPIREMD INC | CALL | 45779A906 | CALL | 200 shares | $15 |
| SURGEPAYS INC | PUT | 86882L954 | PUT | 100 shares | $15 |
| IT TECH PACKAGING INC | PUT | 46527C959 | PUT | 100 shares | $14 |
| CORVEX INC | COM | 62459M305 | — | 1 shares | $11 |
| OPENDOOR TECHNOLOGIES INC | COM | 683712103 | — | 138 shares | $11 |
| OPENDOOR TECHNOLOGIES INC | COM | 683712103 | — | 132 shares | $10 |
| VANGUARD ADMIRAL FDS INC | PUT | 921932955 | PUT | 300 shares | $8 |
| SIREN ETF TR | CALL | 829658902 | CALL | 600 shares | $6 |
| IRIDEX CORP | COM | 462684101 | — | 4 shares | $2 |
| REE AUTOMOTIVE LTD | PUT | M8287R952 | PUT | 100 shares | $1 |
| THERAVANCE BIOPHARMA INC | PUT | G8807B956 | PUT | 19,500 shares | $1 |
| ETFIS SER TR I | CALL | 26923G902 | CALL | 100 shares | $0 |
| FOMENTO ECONOMICO MEXICANO S | PUT | 344419956 | PUT | 300 shares | $0 |
| HBT FINL INC. | PUT | 404111956 | PUT | 400 shares | $0 |
| THEMES ETF TR | CALL | 882927904 | CALL | 100 shares | $0 |
| THERAVANCE BIOPHARMA INC | CALL | G8807B906 | CALL | 100 shares | $0 |