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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) |
|---|---|---|---|---|---|
| INVESTMENT MANAGERS SER TR I | CALL | 46152A909 | CALL | 100 shares | $4,646 |
| HEARTLAND EXPRESS INC | CALL | 422347904 | CALL | 400 shares | $4,644 |
| MONTAUK RENEWABLES INC | CALL | 61218C903 | CALL | 1,700 shares | $4,641 |
| ORCHESTRA BIOMED HLDGS INC | COM | 68572M106 | — | 746 shares | $4,640 |
| MATIV HOLDINGS INC | CALL | 808541906 | CALL | 400 shares | $4,636 |
| SLR INVESTMENT CORP | COM | 83413U100 | — | 400 shares | $4,636 |
| PROSHARES TR | CALL | 74347G907 | CALL | 100 shares | $4,613 |
| INVESCO EXCHANGE TRADED FD T | COM | 46137V563 | — | 202 shares | $4,608 |
| VISTAGEN THERAPEUTICS INC | COM | 92840H400 | — | 14,952 shares | $4,605 |
| CINEVERSE CORP | PUT | 172406958 | PUT | 2,300 shares | $4,600 |
| CRESCENT CAP BDC INC | CALL | 225655909 | CALL | 500 shares | $4,590 |
| THEMES ETF TR | COM | 882927163 | — | 1,141 shares | $4,583 |
| ISHARES TR | COM | 46435U549 | — | 101 shares | $4,570 |
| ISHARES TR | CALL | 464289905 | CALL | 100 shares | $4,566 |
| MYRIAD GENETICS INC | COM | 62855J104 | — | 1,057 shares | $4,555 |
| VANECK ETF TRUST | COM | 92189H649 | — | 213 shares | $4,547 |
| THEMES ETF TR | CALL | 88340F905 | CALL | 600 shares | $4,536 |
| MAGNERA CORP | CALL | 55939A907 | CALL | 400 shares | $4,536 |
| EMBECTA CORP | CALL | 29082K905 | CALL | 800 shares | $4,528 |
| INVESTMENT MANAGERS SER TR I | PUT | 46152A959 | PUT | 300 shares | $4,527 |
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 100 shares | $4,525 |
| ISHARES TR | PUT | 46435U951 | PUT | 100 shares | $4,525 |
| HEALTHEQUITY INC | COM | 42226A107 | — | 51 shares | $4,511 |
| VANECK ETF TRUST | PUT | 92189F952 | PUT | 100 shares | $4,505 |
| PROSHARES TR | COM | 74350U492 | — | 205 shares | $4,503 |
| ISHARES TR | COM | 46435U366 | — | 137 shares | $4,502 |
| ADVISORSHARES TR | PUT | 00768Y950 | PUT | 200 shares | $4,500 |
| ORION S.A. | PUT | L72967959 | PUT | 800 shares | $4,496 |
| INVESCO EXCH TRADED FD TR II | PUT | 46138E955 | PUT | 100 shares | $4,490 |
| SEADRILL LTD | CALL | G7997W902 | CALL | 100 shares | $4,467 |
| SEADRILL LTD | PUT | G7997W952 | PUT | 100 shares | $4,467 |
| ORTHOPEDIATRICS CORP | CALL | 68752L900 | CALL | 200 shares | $4,454 |
| CORGI ETF TR I | COM | 21874J727 | — | 506 shares | $4,447 |
| TEMA ETF TRUST | CALL | 87975E903 | CALL | 100 shares | $4,446 |
| DLH HLDGS CORP | PUT | 23335Q950 | PUT | 1,200 shares | $4,440 |
| SITEONE LANDSCAPE SUPPLY INC | COM | 82982L103 | — | 49 shares | $4,425 |
| GLOBAL X FDS | PUT | 37960A953 | PUT | 100 shares | $4,418 |
| XPEL INC | PUT | 98379L950 | PUT | 100 shares | $4,417 |
| TIDAL TRUST II | PUT | 88636J956 | PUT | 600 shares | $4,416 |
| ISHARES TR | CALL | 46434V906 | CALL | 100 shares | $4,409 |
| AXALTA COATING SYS LTD | COM | G0750C108 | — | 137 shares | $4,405 |
| INOVIO PHARMACEUTICALS INC | COM | 45773H409 | — | 3,609 shares | $4,402 |
| BLACKROCK ETF TRUST | CALL | 09290C903 | CALL | 100 shares | $4,398 |
| ONE LIBERTY PPTYS INC | CALL | 682406903 | CALL | 200 shares | $4,396 |
| INVESCO EXCH TRADED FD TR II | CALL | 46138G900 | CALL | 100 shares | $4,385 |
| ETF OPPORTUNITIES TRUST | CALL | 26923Q901 | CALL | 1,500 shares | $4,380 |
| TRIPLEPOINT VENTURE GROWTH B | PUT | 89677Y950 | PUT | 900 shares | $4,374 |
| HERC HLDGS INC | COM | 42704L104 | — | 35 shares | $4,368 |
| THEMES ETF TR | PUT | 882927954 | PUT | 100 shares | $4,367 |
| ORCHESTRA BIOMED HLDGS INC | PUT | 68572M956 | PUT | 700 shares | $4,354 |
| BROOKFIELD INFRASTRUCTURE CO | COM | 11276H106 | — | 122 shares | $4,344 |
| PRECIDIAN ETFS TR | COM | 74016W734 | — | 346 shares | $4,342 |
| ATMUS FILTRATION TECHNOLOGIE | PUT | 04956D957 | PUT | 100 shares | $4,342 |
| VANECK ETF TRUST | PUT | 92189H950 | PUT | 100 shares | $4,341 |
| ONE STOP SYS INC | COM | 68247W109 | — | 496 shares | $4,330 |
| IBEX LTD | PUT | G4690M951 | PUT | 100 shares | $4,326 |
| PROSHARES TR | CALL | 74348A904 | CALL | 300 shares | $4,317 |
| TELUS CORPORATION | COM | 87971M103 | — | 514 shares | $4,312 |
| ETF SER SOLUTIONS | CALL | 26922A902 | CALL | 100 shares | $4,310 |
| MYRIAD GENETICS INC | CALL | 62855J904 | CALL | 1,000 shares | $4,309 |
| ARS PHARMACEUTICALS INC | PUT | 82835W958 | PUT | 1,000 shares | $4,309 |
| CAMBRIA ETF TR | COM | 132061862 | — | 440 shares | $4,305 |
| PAYONEER GLOBAL INC | PUT | 70451X954 | PUT | 600 shares | $4,284 |
| H WORLD GROUP LTD | PUT | 44332N956 | PUT | 100 shares | $4,280 |
| REYNOLDS CONSUMER PRODS INC | COM | 76171L106 | — | 198 shares | $4,280 |
| AUTOLUS THERAPEUTICS LTD | PUT | 05280R950 | PUT | 2,200 shares | $4,268 |
| REVOLVE GROUP INC | CALL | 76156B907 | CALL | 200 shares | $4,266 |
| VANGUARD INTL EQUITY INDEX F | CALL | 922042904 | CALL | 100 shares | $4,252 |
| VANECK BITCOIN ETF | COM | 92189K105 | — | 180 shares | $4,251 |
| JOURNEY MED CORP | COM | 48115J109 | — | 621 shares | $4,247 |
| TIDAL TRUST II | CALL | 88636Y908 | CALL | 200 shares | $4,246 |
| WESTLAKE CHEM PARTNERS LP | PUT | 960417953 | PUT | 200 shares | $4,240 |
| ETF OPPORTUNITIES TRUST | CALL | 26923Q901 | CALL | 500 shares | $4,230 |
| KAMADA LTD | PUT | M6240T959 | PUT | 500 shares | $4,230 |
| BAKER HUGHES COMPANY | COM | 05722G100 | — | 77 shares | $4,227 |
| AMERICAN PUB ED INC | CALL | 02913V903 | CALL | 100 shares | $4,218 |
| GLOBAL X FDS | CALL | 37966B905 | CALL | 100 shares | $4,214 |
| UNIVERSAL INS HLDGS INC | PUT | 91359V957 | PUT | 100 shares | $4,209 |
| HUMACYTE INC | PUT | 44486Q953 | PUT | 8,100 shares | $4,195 |
| IT TECH PACKAGING INC | CALL | 46527C909 | CALL | 29,600 shares | $4,176 |
| KRANESHARES TRUST | COM | 500767579 | — | 354 shares | $4,172 |
| BLACKBAUD INC | CALL | 09227Q900 | CALL | 100 shares | $4,162 |
| NEOVOLTA INC | CALL | 640655906 | CALL | 1,600 shares | $4,160 |
| AMPLIFY ETF TR | CALL | 032108908 | CALL | 100 shares | $4,154 |
| CORE & MAIN INC | PUT | 21874C952 | PUT | 100 shares | $4,148 |
| CPI AEROSTRUCTURES INC | CALL | 125919908 | CALL | 800 shares | $4,144 |
| METHODE ELECTRS INC | PUT | 591520950 | PUT | 300 shares | $4,137 |
| PERSPECTIVE THERAPEUTICS INC | PUT | 46489V952 | PUT | 1,500 shares | $4,125 |
| RADCOM LTD | PUT | M81865951 | PUT | 400 shares | $4,124 |
| LINEAGE CELL THERAPEUTICS IN | COM | 53566P109 | — | 4,313 shares | $4,121 |
| ETF OPPORTUNITIES TRUST | PUT | 26923Q951 | PUT | 1,000 shares | $4,120 |
| ISHARES TR | CALL | 464287907 | CALL | 100 shares | $4,118 |
| JOURNEY MED CORP | PUT | 48115J959 | PUT | 600 shares | $4,104 |
| RENEW ENERGY GLOBAL PLC | CALL | G7500M904 | CALL | 600 shares | $4,104 |
| DATA I O CORP | COM | 237690102 | — | 1,397 shares | $4,093 |
| MIDERA FOOD PROCESSING INC | PUT | 59739R954 | PUT | 100 shares | $4,082 |
| HIGHPEAK ENERGY INC | PUT | 43114Q955 | PUT | 500 shares | $4,080 |
| GUARDIAN PHARMACY SVCS INC | CALL | 40145W901 | CALL | 100 shares | $4,078 |
| SPDR SERIES TRUST | CALL | 78464A908 | CALL | 200 shares | $4,076 |
| SPDR SERIES TRUST | PUT | 78464A958 | PUT | 200 shares | $4,076 |