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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) |
|---|---|---|---|---|---|
| CONNECTONE BANCORP INC | PUT | 20786W957 | PUT | 600 shares | $18,030 |
| MAYVILLE ENGR CO INC | PUT | 578605957 | PUT | 1,200 shares | $18,000 |
| OPTION CARE HEALTH INC | CALL | 68404L901 | CALL | 800 shares | $17,992 |
| ADAMAS TRUST INC. | COM | 649604840 | — | 2,312 shares | $17,987 |
| AIRSCULPT TECHNOLOGIES INC | CALL | 009496900 | CALL | 10,200 shares | $17,952 |
| CARIBOU BIOSCIENCES INC | COM | 142038108 | — | 14,125 shares | $17,938 |
| DIEBOLD NIXDORF INC | COM | 253651202 | — | 293 shares | $17,937 |
| IMPINJ INC | PUT | 453204959 | PUT | 100 shares | $17,929 |
| TEXAS CAPITAL FUNDS TRUST | COM | 88224A102 | — | 437 shares | $17,925 |
| BITWISE FUNDS TRUST | COM | 09175C103 | — | 706 shares | $17,911 |
| INTEGRA LIFESCIENCES HLDGS C | CALL | 457985908 | CALL | 1,100 shares | $17,908 |
| LARIMAR THERAPEUTICS INC | CALL | 517125900 | CALL | 5,600 shares | $17,892 |
| TIDAL TRUST III | COM | 45259A514 | — | 1,021 shares | $17,857 |
| ETF OPPORTUNITIES TRUST | COM | 26923N215 | — | 2,056 shares | $17,837 |
| TFS FINL CORP | CALL | 87240R907 | CALL | 1,100 shares | $17,820 |
| ISHARES TR | CALL | 464287907 | CALL | 100 shares | $17,813 |
| SPYRE THERAPEUTICS INC | PUT | 00773J952 | PUT | 200 shares | $17,806 |
| CANARY LITECOIN ETF | CALL | 137221907 | CALL | 1,100 shares | $17,732 |
| MIZUHO FINANCIAL GROUP INC | CALL | 60687Y909 | CALL | 1,600 shares | $17,680 |
| DIREXION SHARES ETF TRUST | COM | 25460E307 | — | 507 shares | $17,658 |
| SPDR SERIES TRUST | COM | 78468R671 | — | 159 shares | $17,620 |
| SCANSOURCE INC | PUT | 806037957 | PUT | 300 shares | $17,619 |
| WISDOMTREE TR | COM | 97717Y568 | — | 276 shares | $17,589 |
| MBX BIOSCIENCES INC | CALL | 55287L901 | CALL | 300 shares | $17,586 |
| MBX BIOSCIENCES INC | PUT | 55287L951 | PUT | 300 shares | $17,586 |
| GRANITESHARES ETF TR | CALL | 38747T900 | CALL | 900 shares | $17,572 |
| POWERFLEET INC | COM | 73931J109 | — | 6,184 shares | $17,562 |
| IMMATICS N.V | PUT | N44445959 | PUT | 2,000 shares | $17,560 |
| GEOSPACE TECHNOLOGIES CORP | COM | 37364X109 | — | 3,591 shares | $17,559 |
| SCHWAB STRATEGIC TR | COM | 808524805 | — | 639 shares | $17,553 |
| SPDR SERIES TRUST | PUT | 78468R957 | PUT | 700 shares | $17,542 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 600 shares | $17,526 |
| TIDAL TRUST II | COM | 88636W239 | — | 1,279 shares | $17,522 |
| CORGI ETF TR I | COM | 218946507 | — | 650 shares | $17,506 |
| DOCEBO INC | COM | 25609L105 | — | 757 shares | $17,448 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 600 shares | $17,410 |
| ISHARES TR | COM | 46438G570 | — | 498 shares | $17,380 |
| ETF OPPORTUNITIES TRUST | PUT | 26923N955 | PUT | 1,100 shares | $17,378 |
| TIDAL TRUST II | COM | 88634T790 | — | 1,445 shares | $17,368 |
| FIDUS INVT CORP | PUT | 316500957 | PUT | 900 shares | $17,343 |
| ELECTROVAYA INC | COM | 28617B606 | — | 2,659 shares | $17,336 |
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 700 shares | $17,318 |
| FARMERS & MERCHANTS BANCORP | CALL | 30779N905 | CALL | 500 shares | $17,310 |
| ANIXA BIOSCIENCES INC | PUT | 03528H959 | PUT | 5,900 shares | $17,287 |
| DIREXION SHARES ETF TRUST | PUT | 25461A954 | PUT | 600 shares | $17,262 |
| MERIT MED SYS INC | CALL | 589889904 | CALL | 200 shares | $17,246 |
| MERIT MED SYS INC | PUT | 589889954 | PUT | 200 shares | $17,246 |
| MATRIX SVC CO | PUT | 576853955 | PUT | 1,800 shares | $17,226 |
| MGP INGREDIENTS INC NEW | PUT | 55303J956 | PUT | 1,300 shares | $17,225 |
| VANGUARD WORLD FD | PUT | 92204A954 | PUT | 100 shares | $17,216 |
| ENSIGN GROUP INC | PUT | 29358P951 | PUT | 100 shares | $17,200 |
| ZIPRECRUITER INC | CALL | 98980B903 | CALL | 4,900 shares | $17,199 |
| THEMES ETF TR | CALL | 882927904 | CALL | 1,000 shares | $17,179 |
| EMERGENT BIOSOLUTIONS INC | PUT | 29089Q955 | PUT | 2,600 shares | $17,160 |
| TIDAL TRUST II | PUT | 88636J956 | PUT | 1,000 shares | $17,160 |
| TIDAL TRUST II | PUT | 88636R953 | PUT | 1,100 shares | $17,138 |
| HIGHPEAK ENERGY INC | CALL | 43114Q905 | CALL | 2,100 shares | $17,136 |
| FORUM MARKETS INC | COM | 68236V401 | — | 3,630 shares | $17,133 |
| PROSHARES TR | CALL | 74347G907 | CALL | 1,100 shares | $17,050 |
| TRONOX HOLDINGS PLC | COM | G9087Q102 | — | 4,316 shares | $17,048 |
| QUICKLOGIC CORP | CALL | 74837P905 | CALL | 1,500 shares | $17,040 |
| OPEN TEXT CORP | COM | 683715106 | — | 760 shares | $17,039 |
| ETF SER SOLUTIONS | CALL | 26922A902 | CALL | 200 shares | $17,008 |
| KYVERNA THERAPEUTICS INC | PUT | 501976954 | PUT | 2,500 shares | $17,000 |
| NEUMORA THERAPEUTICS INC. | COM | 640979100 | — | 28,501 shares | $16,992 |
| SPX TECHNOLOGIES INC | CALL | 78473E903 | CALL | 100 shares | $16,956 |
| SPX TECHNOLOGIES INC | PUT | 78473E953 | PUT | 100 shares | $16,956 |
| NET POWER INC | COM | 64107A105 | — | 11,373 shares | $16,945 |
| CORGI ETF TR I | COM | 21874J701 | — | 605 shares | $16,940 |
| UMH PPTYS INC | PUT | 903002953 | PUT | 1,100 shares | $16,940 |
| POSCO HOLDINGS INC | PUT | 693483959 | PUT | 300 shares | $16,923 |
| ADAPTHEALTH CORP | PUT | 00653Q952 | PUT | 3,000 shares | $16,920 |
| TIDAL TRUST II | PUT | 88636J956 | PUT | 1,500 shares | $16,920 |
| OCEAN PWR TECHNOLOGIES INC | CALL | 674870905 | CALL | 12,600 shares | $16,884 |
| WEX INC | CALL | 96208T904 | CALL | 100 shares | $16,870 |
| NOV INC | PUT | 62955J953 | PUT | 900 shares | $16,857 |
| CARPARTS COM INC | CALL | 14427M906 | CALL | 2,100 shares | $16,842 |
| NOVA MINERALS CORP | CALL | 66982H905 | CALL | 3,100 shares | $16,802 |
| SCHEIN HENRY INC | PUT | 806407952 | PUT | 200 shares | $16,794 |
| PEOPLE INC | CALL | 44891N908 | CALL | 400 shares | $16,784 |
| AMPLIFY COMMODITY TRUST | COM | 03210A107 | — | 1,150 shares | $16,732 |
| KRANESHARES TRUST | CALL | 500767906 | CALL | 1,000 shares | $16,730 |
| PETMED EXPRESS INC | COM | 716382106 | — | 12,122 shares | $16,728 |
| ENOVA INTL INC | PUT | 29357K953 | PUT | 100 shares | $16,711 |
| GRANITESHARES ETF TR | CALL | 38747R904 | CALL | 1,300 shares | $16,710 |
| CHERRY HILL MTG INVT CORP | CALL | 164651901 | CALL | 6,400 shares | $16,704 |
| DINE BRANDS GLOBAL INC | CALL | 254423906 | CALL | 600 shares | $16,698 |
| SPROTT FDS TR | CALL | 85208P901 | CALL | 400 shares | $16,691 |
| INVESCO EXCH TRADED FD TR II | PUT | 46138E955 | PUT | 1,000 shares | $16,640 |
| SAFETY INS GROUP INC | COM | 78648T100 | — | 160 shares | $16,572 |
| WOLVERINE WORLD WIDE INC | COM | 978097103 | — | 867 shares | $16,568 |
| LIGAND PHARMACEUTICALS INC | COM | 53220K504 | — | 53 shares | $16,555 |
| EMPIRE ST RLTY TR INC | COM | 292104106 | — | 4,107 shares | $16,551 |
| WIDEPOINT CORP | CALL | 967590909 | CALL | 2,100 shares | $16,548 |
| PROSHARES TR | COM | 74347R180 | — | 438 shares | $16,545 |
| LEMAITRE VASCULAR INC | CALL | 525558901 | CALL | 200 shares | $16,518 |
| RYANAIR HOLDINGS PLC | PUT | 783513953 | PUT | 300 shares | $16,503 |
| MAMAS CREATIONS INC | COM | 56146T103 | — | 1,280 shares | $16,499 |
| INVESTMENT MANAGERS SER TR I | PUT | 46092D956 | PUT | 300 shares | $16,462 |
| SITE CTRS CORP | COM | 82981J851 | — | 4,877 shares | $16,435 |