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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) |
|---|---|---|---|---|---|
| ROCKET PHARMACEUTICALS INC | PUT | 77313F956 | PUT | 3,100 shares | $8,153 |
| BCP INVESTMENT CORPORATION | CALL | 73688F901 | CALL | 1,200 shares | $8,148 |
| MANHATTAN BRDG CAP INC | CALL | 562803906 | CALL | 2,200 shares | $8,140 |
| ALPHA COGNITION INC | COM | 02074J501 | — | 904 shares | $8,136 |
| MOMENTUS INC | PUT | 60879E958 | PUT | 2,100 shares | $8,127 |
| ISHARES INC | CALL | 46434G909 | CALL | 100 shares | $8,116 |
| ORRSTOWN FINL SVCS INC | PUT | 687380955 | PUT | 200 shares | $8,116 |
| KELLY SVCS INC | CALL | 488152908 | CALL | 500 shares | $8,105 |
| CELULARITY INC | CALL | 151190904 | CALL | 6,000 shares | $8,100 |
| 8X8 INC NEW | PUT | 282914950 | PUT | 3,600 shares | $8,100 |
| DOUBLEVERIFY HLDGS INC | CALL | 25862V905 | CALL | 600 shares | $8,094 |
| CS DISCO INC | COM | 126327105 | — | 1,973 shares | $8,089 |
| TIDAL TRUST II | PUT | 88636V959 | PUT | 600 shares | $8,064 |
| INGRAM MICRO HLDG CORP | PUT | 457152956 | PUT | 300 shares | $8,042 |
| PHATHOM PHARMACEUTICALS INC | PUT | 71722W957 | PUT | 1,100 shares | $8,030 |
| ISHARES TR | CALL | 46434V906 | CALL | 400 shares | $8,028 |
| MADISON SQUARE GARDEN ENTMT | CALL | 558256903 | CALL | 100 shares | $8,011 |
| RILEY EXPLORATION PERMIAN IN | CALL | 76665T902 | CALL | 200 shares | $8,002 |
| ARKO CORP | COM | 041242108 | — | 1,942 shares | $8,001 |
| TELESAT CORP | COM | 879512309 | — | 173 shares | $7,982 |
| PACER FDS TR | CALL | 69374H901 | CALL | 200 shares | $7,976 |
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 900 shares | $7,974 |
| EXCHANGE TRADED CONCEPTS TRU | COM | 301505731 | — | 82 shares | $7,965 |
| ISHARES TR | CALL | 464289905 | CALL | 200 shares | $7,956 |
| PROSHARES TR | CALL | 74347G907 | CALL | 100 shares | $7,951 |
| ARROWMARK FINANCIAL CORP | PUT | 861780954 | PUT | 400 shares | $7,944 |
| BROADWIND INC | CALL | 11161T907 | CALL | 1,900 shares | $7,942 |
| CG ONCOLOGY INC | COM | 156944100 | — | 112 shares | $7,939 |
| AEMETIS INC | COM | 00770K202 | — | 4,454 shares | $7,928 |
| SCHWAB STRATEGIC TR | COM | 808524409 | — | 238 shares | $7,927 |
| ISHARES TR | CALL | 464288905 | CALL | 100 shares | $7,914 |
| ETF OPPORTUNITIES TRUST | CALL | 26923W902 | CALL | 400 shares | $7,904 |
| RED VIOLET INC | CALL | 75704L904 | CALL | 100 shares | $7,901 |
| IBOTTA INC | CALL | 451051906 | CALL | 200 shares | $7,880 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 200 shares | $7,877 |
| THEMES ETF TR | CALL | 88340F905 | CALL | 1,000 shares | $7,867 |
| ANTERIX INC | PUT | 03676C950 | PUT | 100 shares | $7,850 |
| THRYV HLDGS INC | PUT | 886029956 | PUT | 5,000 shares | $7,849 |
| XMAX INC | COM | 66979P300 | — | 908 shares | $7,836 |
| DOUGLAS ELLIMAN INC | COM | 25961D105 | — | 5,153 shares | $7,832 |
| NOMURA HLDGS INC | PUT | 65535H958 | PUT | 800 shares | $7,823 |
| HARMONY BIOSCIENCES HLDGS IN | COM | 413197104 | — | 199 shares | $7,812 |
| GRANITESHARES ETF TR | COM | 38747R454 | — | 1,106 shares | $7,808 |
| SUN LIFE FINANCIAL INC. | PUT | 866796955 | PUT | 100 shares | $7,797 |
| DIREXION SHARES ETF TRUST | CALL | 25490K909 | CALL | 400 shares | $7,764 |
| CLEARFIELD INC | COM | 18482P103 | — | 249 shares | $7,753 |
| MARTEN TRANS LTD | CALL | 573075908 | CALL | 600 shares | $7,752 |
| NEONODE INC | COM | 64051M709 | — | 8,672 shares | $7,752 |
| TIDAL TRUST II | CALL | 88636X900 | CALL | 500 shares | $7,745 |
| UFP INDUSTRIES INC | CALL | 90278Q908 | CALL | 100 shares | $7,722 |
| API GROUP CORP | CALL | 00187Y900 | CALL | 200 shares | $7,720 |
| DIMENSIONAL ETF TRUST | COM | 25434V807 | — | 138 shares | $7,708 |
| PROSHARES TR | PUT | 74349Y957 | PUT | 400 shares | $7,692 |
| ANGIODYNAMICS INC | CALL | 03475V901 | CALL | 500 shares | $7,690 |
| EQUIFAX INC | COM | 294429105 | — | 56 shares | $7,685 |
| IDEAYA BIOSCIENCES INC | PUT | 45166A952 | PUT | 200 shares | $7,684 |
| CORGI ETF TR I | PUT | 218946957 | PUT | 200 shares | $7,669 |
| BLINK CHARGING CO | PUT | 09354A950 | PUT | 14,200 shares | $7,668 |
| ISHARES INC | CALL | 46434G909 | CALL | 100 shares | $7,661 |
| VANGUARD BD INDEX FDS | CALL | 921937905 | CALL | 100 shares | $7,640 |
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 200 shares | $7,637 |
| DIGI INTL INC | PUT | 253798952 | PUT | 100 shares | $7,623 |
| SINCLAIR INC | PUT | 829242956 | PUT | 600 shares | $7,614 |
| FIDELITY COVINGTON TRUST | PUT | 316092951 | PUT | 200 shares | $7,609 |
| TIDAL TRUST II | CALL | 88636R903 | CALL | 400 shares | $7,600 |
| SHUTTERSTOCK INC | PUT | 825690950 | PUT | 1,800 shares | $7,595 |
| WESTROCK COFFEE CO | COM | 96145W103 | — | 944 shares | $7,589 |
| ROUNDHILL ETF TRUST | COM | 77926X585 | — | 225 shares | $7,582 |
| ADVISORSHARES TR | CALL | 00768Y900 | CALL | 2,600 shares | $7,579 |
| KRANESHARES TRUST | COM | 500767827 | — | 273 shares | $7,576 |
| FIDELITY COVINGTON TRUST | CALL | 316092901 | CALL | 100 shares | $7,572 |
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 200 shares | $7,572 |
| J P MORGAN EXCHANGE TRADED F | PUT | 46641Q955 | PUT | 100 shares | $7,569 |
| VAXCYTE INC | COM | 92243G108 | — | 133 shares | $7,567 |
| OCTAVE INTELLIGENCE PLC | PUT | G22845954 | PUT | 400 shares | $7,556 |
| EA SERIES TRUST | CALL | 02072Q900 | CALL | 200 shares | $7,554 |
| INVESCO CURRENCYSHARES CDN D | COM | 46138T104 | — | 110 shares | $7,552 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 300 shares | $7,536 |
| NEW PAC METALS CORP | PUT | 64782A957 | PUT | 1,200 shares | $7,536 |
| ETF OPPORTUNITIES TRUST | PUT | 26923V958 | PUT | 1,700 shares | $7,531 |
| ORTHOFIX MED INC | CALL | 68752M908 | CALL | 800 shares | $7,528 |
| KOREA ELEC PWR CORP | COM | 500631106 | — | 686 shares | $7,518 |
| ETF OPPORTUNITIES TRUST | CALL | 26923V908 | CALL | 300 shares | $7,509 |
| QUINSTREET INC | PUT | 74874Q950 | PUT | 500 shares | $7,505 |
| ALDEYRA THERAPEUTICS INC | CALL | 01438T906 | CALL | 6,100 shares | $7,503 |
| GLOBAL X FDS | COM | 37960A651 | — | 374 shares | $7,491 |
| FORTRESS BIOTECH INC | CALL | 34960Q907 | CALL | 3,500 shares | $7,490 |
| RBC BEARINGS INC | COM | 75524B104 | — | 15 shares | $7,488 |
| UNIVERSAL TECHNICAL INST INC | CALL | 913915904 | CALL | 400 shares | $7,468 |
| VANGUARD INTL EQUITY INDEX F | COM | 922042874 | — | 86 shares | $7,464 |
| U HAUL HOLDING COMPANY | COM | 023586100 | — | 124 shares | $7,461 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 200 shares | $7,459 |
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 200 shares | $7,459 |
| FIDELITY GREENWOOD STREET TR | COM | 31624J729 | — | 251 shares | $7,452 |
| KKR REAL ESTATE FIN TR INC | CALL | 48251K900 | CALL | 1,200 shares | $7,452 |
| GOGO INC | COM | 38046C109 | — | 3,464 shares | $7,447 |
| AMPLIFY ETF TR | PUT | 032108958 | PUT | 300 shares | $7,446 |
| PROSHARES TR | PUT | 74349Y957 | PUT | 300 shares | $7,446 |
| IMMUTEP LTD | PUT | 45257L957 | PUT | 1,600 shares | $7,440 |
| PLATINUM GROUP METALS LTD | CALL | 72765Q902 | CALL | 5,900 shares | $7,434 |