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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) |
|---|---|---|---|---|---|
| THEMES ETF TR | COM | 88340C164 | — | 8,486 shares | $100,389 |
| ENTERPRISE FINL SVCS CORP | CALL | 293712905 | CALL | 1,700 shares | $100,215 |
| INVESCO DB COMMDY INDX TRCK | PUT | 46138B953 | PUT | 3,100 shares | $100,192 |
| JBG SMITH PPTYS | COM | 46590V100 | — | 9,979 shares | $100,189 |
| VANDA PHARMACEUTICALS INC | PUT | 921659958 | PUT | 20,400 shares | $100,164 |
| ISHARES TR | COM | 464289842 | — | 1,128 shares | $100,087 |
| PILGRIMS PRIDE CORP | CALL | 72147K908 | CALL | 3,700 shares | $99,937 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 4,100 shares | $99,876 |
| MOHAWK INDS INC | PUT | 608190954 | PUT | 800 shares | $99,776 |
| THEMES ETF TR | PUT | 882927954 | PUT | 5,800 shares | $99,638 |
| DIREXION SHARES ETF TRUST | CALL | 25490K909 | CALL | 1,300 shares | $99,632 |
| TRINITY INDS INC | PUT | 896522959 | PUT | 3,900 shares | $99,606 |
| LOMA NEGRA C I A S A MTN | COM | 54150E104 | — | 10,813 shares | $99,479 |
| KRONOS WORLDWIDE INC | CALL | 50105F905 | CALL | 13,000 shares | $99,450 |
| DENALI THERAPEUTICS INC | PUT | 24823R955 | PUT | 4,800 shares | $99,216 |
| TRILOGY METALS INC NEW | PUT | 89621C955 | PUT | 32,000 shares | $99,200 |
| MARZETTI COMPANY | COM | 513847103 | — | 1,000 shares | $99,190 |
| LINCOLN ELEC HLDGS INC | COM | 533900106 | — | 374 shares | $98,952 |
| DBX ETF TR | CALL | 233051909 | CALL | 1,800 shares | $98,910 |
| HUYA INC | CALL | 44852D908 | CALL | 43,300 shares | $98,724 |
| PROTAGONIST THERAPEUTICS INC | PUT | 74366E952 | PUT | 700 shares | $98,622 |
| WOODWARD INC | PUT | 980745953 | PUT | 300 shares | $98,577 |
| ENVISTA HOLDINGS CORPORATION | CALL | 29415F904 | CALL | 4,200 shares | $98,573 |
| JAMES HARDIE INDS PLC | COM | G4253H101 | — | 3,894 shares | $98,557 |
| IMPERIAL OIL LTD | CALL | 453038908 | CALL | 800 shares | $98,440 |
| BOSTON BEER INC | PUT | 100557957 | PUT | 600 shares | $98,412 |
| NORDSON CORP | PUT | 655663952 | PUT | 300 shares | $98,355 |
| PHARVARIS N V | CALL | N69605908 | CALL | 3,100 shares | $98,332 |
| VANECK ETF TRUST | CALL | 92189F902 | CALL | 5,800 shares | $98,309 |
| GALIANO GOLD INC | PUT | 36352H950 | PUT | 50,600 shares | $98,164 |
| KORRO BIO INC | CALL | 500946908 | CALL | 9,900 shares | $98,109 |
| SKEENA RES LTD NEW | PUT | 83056P955 | PUT | 3,300 shares | $98,109 |
| GRANITESHARES ETF TR | COM | 38747R652 | — | 1,254 shares | $98,015 |
| NEOS ETF TRUST | CALL | 78433H905 | CALL | 2,000 shares | $97,940 |
| UPWORK INC | PUT | 91688F954 | PUT | 12,000 shares | $97,920 |
| NATURAL RESOURCE PARTNERS LP | PUT | 63900P958 | PUT | 900 shares | $97,857 |
| MILESTONE PHARMACEUTICALS IN | CALL | 59935V907 | CALL | 113,000 shares | $97,824 |
| BKV CORP | COM | 05603J108 | — | 4,574 shares | $97,609 |
| WEALTHFRONT CORP | CALL | 947002901 | CALL | 9,400 shares | $97,572 |
| GLOBAL X FDS | COM | 37954Y319 | — | 1,138 shares | $97,526 |
| INDIE SEMICONDUCTOR INC | COM | 45569U101 | — | 33,256 shares | $97,273 |
| THEMES ETF TR | CALL | 88340C903 | CALL | 5,800 shares | $97,208 |
| INFLARX NV | CALL | N44821901 | CALL | 54,000 shares | $97,200 |
| THEMES ETF TR | CALL | 88340F905 | CALL | 27,100 shares | $97,169 |
| 1ST FINL BANCORP | CALL | 320209909 | CALL | 3,100 shares | $97,092 |
| ALPHATEC HLDGS INC | CALL | 02081G901 | CALL | 9,400 shares | $97,008 |
| INVIVYD INC | PUT | 00534A952 | PUT | 111,500 shares | $97,005 |
| ISHARES TR | CALL | 46432F909 | CALL | 1,000 shares | $96,880 |
| KINSALE CAP GROUP INC | CALL | 49714P908 | CALL | 300 shares | $96,825 |
| PROSHARES TR | COM | 74347G705 | — | 1,496 shares | $96,746 |
| FEDERAL SIGNAL CORP | COM | 313855108 | — | 873 shares | $96,719 |
| PENTAIR PLC | COM | G7S00T104 | — | 1,825 shares | $96,706 |
| FIRY INC | CALL | 83067L908 | CALL | 7,800 shares | $96,642 |
| IMMUNEERING CORP | PUT | 45254E957 | PUT | 23,600 shares | $96,642 |
| SSR MINING IN | PUT | 784730953 | PUT | 2,900 shares | $96,628 |
| FIDELITY NATL FINL INC | CALL | 31620R903 | CALL | 2,500 shares | $96,625 |
| PENNANTPARK FLOATING RATE CA | COM | 70806A106 | — | 13,968 shares | $96,518 |
| TIDAL TRUST II | COM | 88636X708 | — | 3,814 shares | $96,456 |
| DIREXION SHARES ETF TRUST | COM | 25459W862 | — | 343 shares | $96,417 |
| ARAMARK | PUT | 03852U956 | PUT | 1,800 shares | $96,390 |
| CAMPING WORLD HLDGS INC | PUT | 13462K959 | PUT | 19,200 shares | $96,384 |
| INVESCO CURRENCYSHARES AUSTR | CALL | 46090N903 | CALL | 1,400 shares | $96,320 |
| PROSHARES TR II | PUT | 74347W952 | PUT | 2,100 shares | $96,033 |
| IDT CORP | PUT | 448947957 | PUT | 1,200 shares | $95,964 |
| GLASS HOUSE BRANDS INC | PUT | 377130956 | PUT | 17,100 shares | $95,931 |
| GRANITESHARES ETF TR | CALL | 38747R904 | CALL | 26,300 shares | $95,732 |
| PARK HOTELS & RESORTS INC | PUT | 700517955 | PUT | 6,200 shares | $95,604 |
| WOLVERINE WORLD WIDE INC | PUT | 978097953 | PUT | 5,000 shares | $95,550 |
| NEW MTN FIN CORP | CALL | 647551900 | CALL | 13,800 shares | $95,496 |
| GEOSPACE TECHNOLOGIES CORP | PUT | 37364X959 | PUT | 19,500 shares | $95,355 |
| HAMILTON INSURANCE GROUP LTD | COM | G42706104 | — | 2,884 shares | $95,287 |
| VESTIS CORPORATION | COM | 29430C102 | — | 7,117 shares | $95,083 |
| TIDAL TRUST II | CALL | 88636W906 | CALL | 13,900 shares | $95,076 |
| AVITA MEDICAL INC | CALL | 05380C902 | CALL | 8,100 shares | $95,013 |
| CONCENTRIX CORP | PUT | 20602D951 | PUT | 3,800 shares | $94,810 |
| LIFEMD INC | COM | 53216B104 | — | 32,670 shares | $94,743 |
| CLOVER HEALTH INVESTMENTS CO | COM | 18914F103 | — | 21,945 shares | $94,582 |
| MANCHESTER UTD PLC NEW | COM | G5784H106 | — | 4,514 shares | $94,568 |
| ELECTROVAYA INC | CALL | 28617B906 | CALL | 14,500 shares | $94,540 |
| FIDUS INVT CORP | CALL | 316500907 | CALL | 4,900 shares | $94,423 |
| NCR VOYIX CORPORATION | PUT | 62886E958 | PUT | 13,800 shares | $94,392 |
| MASCO CORP | PUT | 574599956 | PUT | 1,400 shares | $94,360 |
| DELEK US HLDGS INC NEW | COM | 24665A103 | — | 1,322 shares | $94,351 |
| TARSUS PHARMACEUTICALS INC | CALL | 87650L903 | CALL | 1,200 shares | $94,332 |
| SEALSQ CORP | PUT | G79483956 | PUT | 40,300 shares | $94,301 |
| GRANITESHARES ETF TR | CALL | 38747R904 | CALL | 900 shares | $94,296 |
| CORGI ETF TR I | PUT | 218946957 | PUT | 3,500 shares | $94,267 |
| ISHARES INC | PUT | 464286951 | PUT | 1,400 shares | $94,262 |
| REGENXBIO INC | CALL | 75901B907 | CALL | 12,500 shares | $94,125 |
| TASKUS INC | COM | 87652V109 | — | 12,020 shares | $94,116 |
| VANGUARD INDEX FDS | CALL | 922908909 | CALL | 1,200 shares | $94,104 |
| AGNICO EAGLE MINES LTD | COM | 008474108 | — | 513 shares | $94,017 |
| SAVARA INC | PUT | 805111951 | PUT | 18,200 shares | $93,912 |
| VANGUARD CHARLOTTE FDS | CALL | 92203J907 | CALL | 2,000 shares | $93,740 |
| LIGAND PHARMACEUTICALS INC | PUT | 53220K954 | PUT | 300 shares | $93,711 |
| RENEW ENERGY GLOBAL PLC | PUT | G7500M954 | PUT | 13,700 shares | $93,708 |
| BANCO BILBAO VIZCAYA ARGENTA | COM | 05946K101 | — | 3,359 shares | $93,615 |
| QUALYS INC | CALL | 74758T903 | CALL | 500 shares | $93,600 |
| TWENTY ONE CAP INC | PUT | 90138L959 | PUT | 14,400 shares | $93,600 |
| LEXICON PHARMACEUTICALS INC | CALL | 528872902 | CALL | 49,900 shares | $93,562 |