← Back to Discover
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) |
|---|---|---|---|---|---|
| ATLANTA BRAVES HLDGS INC | COM | 047726104 | — | 567 shares | $32,903 |
| INFINITY NAT RES INC | COM | 456941103 | — | 2,608 shares | $32,860 |
| SERVICE PPTYS TR | PUT | 81761L951 | PUT | 5,100 shares | $32,844 |
| MARKETAXESS HLDGS INC | PUT | 57060D958 | PUT | 200 shares | $32,784 |
| INVESCO EXCHANGE TRADED FD T | COM | 46137V647 | — | 215 shares | $32,781 |
| BUILD-A-BEAR WORKSHOP INC | CALL | 120076904 | CALL | 1,300 shares | $32,591 |
| ISHARES TR | PUT | 46435G952 | PUT | 700 shares | $32,571 |
| INNOVAGE HLDG CORP | CALL | 45784A904 | CALL | 3,700 shares | $32,560 |
| TEUCRIUM COMMODITY TR | PUT | 88166A950 | PUT | 1,200 shares | $32,557 |
| COMMERCIAL VEH GROUP INC | CALL | 202608905 | CALL | 11,100 shares | $32,523 |
| TIDAL TRUST II | CALL | 88636R903 | CALL | 6,100 shares | $32,513 |
| TIDAL TRUST II | PUT | 88634T951 | PUT | 2,700 shares | $32,454 |
| XENCOR INC | CALL | 98401F905 | CALL | 1,300 shares | $32,435 |
| ADC THERAPEUTICS SA | COM | H0036K147 | — | 26,557 shares | $32,399 |
| ISHARES TR | CALL | 464287907 | CALL | 500 shares | $32,399 |
| THEMES ETF TR | PUT | 88340C953 | PUT | 15,800 shares | $32,389 |
| CALIFORNIA WTR SVC GROUP | PUT | 130788952 | PUT | 700 shares | $32,389 |
| VERA THERAPEUTICS INC | PUT | 92337R951 | PUT | 1,000 shares | $32,290 |
| UPEXI INC | COM | 39959A205 | — | 28,320 shares | $32,284 |
| DOCEBO INC | PUT | 25609L955 | PUT | 1,400 shares | $32,270 |
| SCHWAB STRATEGIC TR | CALL | 808524908 | CALL | 600 shares | $32,250 |
| SCRIPPS E W CO OHIO | CALL | 811054902 | CALL | 12,400 shares | $32,240 |
| VERITONE INC | COM | 92347M100 | — | 27,078 shares | $32,222 |
| VANGUARD WORLD FD | CALL | 921910903 | CALL | 200 shares | $32,218 |
| PROSHARES TR | PUT | 74347X950 | PUT | 1,200 shares | $32,171 |
| TIDAL TRUST II | CALL | 88636X900 | CALL | 800 shares | $32,168 |
| KRANESHARES TRUST | PUT | 500767956 | PUT | 900 shares | $32,157 |
| KRANESHARES TRUST | PUT | 500767956 | PUT | 1,500 shares | $32,122 |
| TASKUS INC | PUT | 87652V959 | PUT | 4,100 shares | $32,103 |
| ALARM COM HLDGS INC | COM | 011642105 | — | 589 shares | $32,082 |
| TECOGEN INC NEW | COM | 87876P201 | — | 11,296 shares | $32,080 |
| VANGUARD WORLD FD | PUT | 92204A954 | PUT | 100 shares | $32,051 |
| MADISON SQUARE GARDEN ENTMT | COM | 558256103 | — | 400 shares | $32,044 |
| NEW PAC METALS CORP | CALL | 64782A907 | CALL | 5,100 shares | $32,028 |
| GRANITESHARES ETF TR | COM | 38747R496 | — | 2,827 shares | $32,001 |
| PROSHARES TR | COM | 74347R693 | — | 201 shares | $31,995 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 1,000 shares | $31,966 |
| MORGAN STANLEY BITCOIN TR | COM | 61692G109 | — | 1,335 shares | $31,959 |
| INTERNATIONAL MONEY EXPRESS | COM | 46005L101 | — | 2,754 shares | $31,891 |
| CUSHMAN AND WAKEFIELD LTD | PUT | G2717C956 | PUT | 2,700 shares | $31,887 |
| MECHANICS BANCORP | COM | 43785V102 | — | 2,155 shares | $31,850 |
| ISHARES INC | CALL | 464286901 | CALL | 700 shares | $31,730 |
| FREIGHTCAR AMER INC | PUT | 357023950 | PUT | 4,700 shares | $31,725 |
| TIDAL TRUST II | COM | 88636R404 | — | 1,171 shares | $31,722 |
| SKYWARD SPECIALTY INS GROUP | CALL | 830940902 | CALL | 600 shares | $31,679 |
| NORTHERN TR CORP | COM | 665859104 | — | 187 shares | $31,670 |
| STAAR SURGICAL CO | CALL | 852312905 | CALL | 1,400 shares | $31,653 |
| LEXINFINTECH HLDGS LTD | PUT | 528877953 | PUT | 43,900 shares | $31,651 |
| PROSHARES TR II | PUT | 74347W952 | PUT | 1,000 shares | $31,620 |
| COASTAL FINL CORP WA | COM | 19046P209 | — | 791 shares | $31,592 |
| VANGUARD WHITEHALL FDS | CALL | 921946905 | CALL | 500 shares | $31,565 |
| TALPHERA INC | PUT | 00444T959 | PUT | 27,200 shares | $31,552 |
| DINGDONG CAYMAN LTD | PUT | 25445D951 | PUT | 14,800 shares | $31,524 |
| PRIVIA HEALTH GROUP INC | CALL | 74276R902 | CALL | 1,600 shares | $31,504 |
| TIDAL TRUST II | COM | 88636X302 | — | 2,033 shares | $31,491 |
| TIDAL TRUST III | PUT | 45259A955 | PUT | 1,800 shares | $31,481 |
| MISSION PRODUCE INC | PUT | 60510V958 | PUT | 2,400 shares | $31,464 |
| VERSIGENT PLC | COM | G9600F104 | — | 699 shares | $31,413 |
| VANGUARD INDEX FDS | PUT | 922908959 | PUT | 400 shares | $31,368 |
| HURON CONSULTING GROUP INC | CALL | 447462902 | CALL | 200 shares | $31,366 |
| VANGUARD BD INDEX FDS | PUT | 921937955 | PUT | 500 shares | $31,365 |
| GRANITESHARES ETF TR | COM | 38747R736 | — | 1,192 shares | $31,313 |
| ATMOS ENERGY CORP | CALL | 049560905 | CALL | 200 shares | $31,288 |
| ATEA PHARMACEUTICALS INC | CALL | 04683R906 | CALL | 6,000 shares | $31,260 |
| LIGAND PHARMACEUTICALS INC | CALL | 53220K904 | CALL | 100 shares | $31,237 |
| MICROBOT MED INC | PUT | 59503A954 | PUT | 26,000 shares | $31,199 |
| CENTURY THERAPEUTICS INC | PUT | 15673T950 | PUT | 18,200 shares | $31,122 |
| VIRIDIAN THERAPEUTICS INC | COM | 92790C104 | — | 1,510 shares | $31,090 |
| STRATEGIC ED INC | CALL | 86272C903 | CALL | 400 shares | $31,068 |
| SPDR INDEX SHS FDS | PUT | 78463X959 | PUT | 600 shares | $31,056 |
| GROWGENERATION CORP | CALL | 39986L909 | CALL | 20,700 shares | $31,050 |
| SELECT WATER SOLUTIONS INC | COM | 81617J301 | — | 1,568 shares | $31,030 |
| INVESTMENT MANAGERS SER TR I | CALL | 46092D906 | CALL | 4,600 shares | $31,004 |
| ACUITY INC | CALL | 00508Y902 | CALL | 100 shares | $30,981 |
| FIRST TR EXCHANGE TRADED FD | CALL | 33738R906 | CALL | 300 shares | $30,971 |
| ISHARES TR | CALL | 46435G902 | CALL | 1,700 shares | $30,957 |
| NEOS ETF TRUST | COM | 78433H634 | — | 632 shares | $30,949 |
| BITZERO HOLDINGS INC | COM | 09175N109 | — | 7,431 shares | $30,912 |
| TIDAL TRUST II | CALL | 88636X900 | CALL | 600 shares | $30,870 |
| WIPRO LTD | CALL | 97651M909 | CALL | 18,700 shares | $30,855 |
| DIVERSIFIED HEALTHCARE TR | COM | 25525P107 | — | 3,924 shares | $30,803 |
| WASTE CONNECTIONS INC | PUT | 94106B951 | PUT | 200 shares | $30,786 |
| STOKE THERAPEUTICS INC | COM | 86150R107 | — | 1,183 shares | $30,758 |
| BRISTOW GROUP INC | COM | 11040G103 | — | 755 shares | $30,743 |
| CLEARWATER PAPER CORP | CALL | 18538R903 | CALL | 1,600 shares | $30,655 |
| MILLERKNOLL INC | COM | 600544100 | — | 1,559 shares | $30,649 |
| ALTO NEUROSCIENCE INC | CALL | 02157Q909 | CALL | 1,200 shares | $30,636 |
| AMPLIFY ETF TR | CALL | 032108908 | CALL | 500 shares | $30,615 |
| RANI THERAPEUTICS HLDGS INC | CALL | 753018900 | CALL | 38,700 shares | $30,611 |
| FIRST TR EXCHANGE TRAD FD VI | CALL | 33739H901 | CALL | 1,000 shares | $30,589 |
| WAYSTAR HLDG CORP | COM | 946784105 | — | 1,203 shares | $30,484 |
| LIFEMD INC | PUT | 53216B954 | PUT | 10,500 shares | $30,450 |
| SUMMIT HOTEL PPTYS | CALL | 866082900 | CALL | 5,100 shares | $30,447 |
| TRONOX HOLDINGS PLC | CALL | G9087Q902 | CALL | 7,700 shares | $30,415 |
| PALLADYNE AI CORP | COM | 80359A205 | — | 5,890 shares | $30,392 |
| FIDELITY COVINGTON TRUST | CALL | 316092901 | CALL | 500 shares | $30,365 |
| PROSHARES TR | COM | 74349Y100 | — | 942 shares | $30,294 |
| LUFAX HOLDING LTD | COM | 54975P201 | — | 25,024 shares | $30,279 |
| LUFAX HOLDING LTD | CALL | 54975P901 | CALL | 25,000 shares | $30,250 |
| LOANDEPOT INC | COM | 53946R106 | — | 51,182 shares | $30,248 |