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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) |
|---|---|---|---|---|---|
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 2,000 shares | $53,800 |
| GRACO INC | PUT | 384109954 | PUT | 700 shares | $53,788 |
| SOCIEDAD QUIMICA Y MINERA DE | COM | 833635105 | — | 829 shares | $53,777 |
| LB PHARMACEUTICALS INC | PUT | 50180M958 | PUT | 1,400 shares | $53,732 |
| JELD-WEN HLDG INC | PUT | 47580P953 | PUT | 29,100 shares | $53,544 |
| MITEK SYS INC | COM | 606710200 | — | 3,137 shares | $53,485 |
| ELECTROVAYA INC | PUT | 28617B956 | PUT | 8,200 shares | $53,464 |
| AMPLITECH GROUP INC | PUT | 03211Q950 | PUT | 17,000 shares | $53,380 |
| MSA SAFETY INC | PUT | 553498956 | PUT | 300 shares | $53,364 |
| TIDAL TRUST II | PUT | 88634T951 | PUT | 5,200 shares | $53,352 |
| NETGEAR INC | PUT | 64111Q954 | PUT | 2,400 shares | $53,304 |
| GLOBAL X FDS | CALL | 37954Y909 | CALL | 1,000 shares | $53,240 |
| BLUE BIRD CORP | COM | 095306106 | — | 959 shares | $53,224 |
| SANFILIPPO JOHN B & SON INC | PUT | 800422957 | PUT | 800 shares | $53,208 |
| BLINK CHARGING CO | CALL | 09354A900 | CALL | 98,500 shares | $53,190 |
| COLUMBIA BKG SYS INC | COM | 197236102 | — | 1,858 shares | $53,138 |
| SUZANO S A | COM | 86959K105 | — | 6,200 shares | $53,134 |
| DYNAMIX CORP | COM | G2949D104 | — | 4,872 shares | $53,104 |
| AMERICA MOVIL SAB DE CV | CALL | 02390A901 | CALL | 2,500 shares | $52,975 |
| RIGEL PHARMACEUTICALS INC | PUT | 766559952 | PUT | 1,100 shares | $52,965 |
| ARQIT QUANTUM INC | PUT | G0567U957 | PUT | 2,200 shares | $52,932 |
| UNISYS CORP | CALL | 909214906 | CALL | 22,900 shares | $52,899 |
| TEMA ETF TRUST | COM | 87975E834 | — | 1,493 shares | $52,896 |
| PROSHARES TR | PUT | 74347G957 | PUT | 3,000 shares | $52,890 |
| HARBOR ETF TRUST | CALL | 41151J902 | CALL | 1,500 shares | $52,890 |
| ISHARES TR | CALL | 464288905 | CALL | 300 shares | $52,842 |
| PATRIA INVESTMENTS LIMITED | COM | G69451105 | — | 5,206 shares | $52,840 |
| CPI AEROSTRUCTURES INC | COM | 125919308 | — | 10,197 shares | $52,820 |
| CIBUS INC | CALL | 17166A901 | CALL | 32,800 shares | $52,808 |
| DIANA SHIPPING INC | CALL | Y2066G904 | CALL | 19,200 shares | $52,800 |
| MEIRAGTX HLDGS PLC | PUT | G59665952 | PUT | 4,800 shares | $52,800 |
| NORTH AMERN CONSTR GROUP LTD | COM | 656811106 | — | 4,384 shares | $52,739 |
| INVESCO CURRENCYSHARES SWISS | PUT | 46138R958 | PUT | 500 shares | $52,695 |
| ZILLOW GROUP INC | CALL | 98954M900 | CALL | 1,900 shares | $52,630 |
| EASTMAN KODAK CO | PUT | 277461956 | PUT | 5,500 shares | $52,580 |
| NATIONAL HEALTH INVS INC | PUT | 63633D954 | PUT | 800 shares | $52,504 |
| AMC GLOBAL MEDIA INC | PUT | 00164V953 | PUT | 4,500 shares | $52,470 |
| SPROTT FDS TR | PUT | 85208P951 | PUT | 2,600 shares | $52,468 |
| GRINDR INC | PUT | 39854F951 | PUT | 3,400 shares | $52,462 |
| READY CAPITAL CORP | CALL | 75574U901 | CALL | 45,200 shares | $52,431 |
| THEMES ETF TR | CALL | 882927904 | CALL | 2,500 shares | $52,375 |
| TENNANT CO | COM | 880345103 | — | 779 shares | $52,364 |
| U S GOLD CORP | COM | 90291C201 | — | 3,519 shares | $52,292 |
| GEOPARK LTD | PUT | G38327955 | PUT | 5,000 shares | $52,250 |
| PROSHARES TR | CALL | 74350P905 | CALL | 3,000 shares | $52,200 |
| INVESTMENT MANAGERS SER TR I | PUT | 46152N954 | PUT | 4,900 shares | $52,185 |
| KINDERCARE LEARNING COMPANIE | PUT | 49456W955 | PUT | 28,000 shares | $52,079 |
| CENTRAL PUERTO S A | CALL | 155038901 | CALL | 4,300 shares | $52,073 |
| WRAP TECHNOLOGIES INC | COM | 98212N107 | — | 36,376 shares | $52,017 |
| AXOS FINANCIAL INC | PUT | 05465C950 | PUT | 600 shares | $51,941 |
| SO YOUNG INTERNATIONAL INC | PUT | 83356Q958 | PUT | 19,400 shares | $51,798 |
| KLX ENERGY SERVICES HOLDINGS | CALL | 48253L905 | CALL | 35,700 shares | $51,765 |
| CONNECT BIOPHARMA HLDGS LTD | COM | G23549101 | — | 47,027 shares | $51,729 |
| LOUISIANA PAC CORP | CALL | 546347905 | CALL | 800 shares | $51,639 |
| HAMILTON BEACH BRANDS HLDG C | COM | 40701T104 | — | 1,350 shares | $51,637 |
| LINEAGE INC | COM | 53566V106 | — | 1,513 shares | $51,623 |
| BARCLAYS BANK PLC | CALL | 06738C908 | CALL | 1,000 shares | $51,520 |
| EVERCORE INC | PUT | 29977A955 | PUT | 200 shares | $51,500 |
| TIDAL TRUST II | COM | 88636J238 | — | 1,363 shares | $51,480 |
| CRONOS GROUP INC | PUT | 22717L951 | PUT | 15,600 shares | $51,480 |
| SPDR SERIES TRUST | COM | 78464A862 | — | 97 shares | $51,373 |
| OCULIS HOLDING AG | CALL | H5870P902 | CALL | 5,500 shares | $51,370 |
| IMMERSION CORP | PUT | 452521957 | PUT | 7,100 shares | $51,333 |
| GILAT SATELLITE NETWORKS LTD | CALL | M51474908 | CALL | 5,200 shares | $51,324 |
| WIPRO LTD | COM | 97651M109 | — | 31,094 shares | $51,305 |
| MONTE ROSA THERAPEUTICS INC | PUT | 61225M952 | PUT | 4,300 shares | $51,299 |
| ISHARES TR | CALL | 464287907 | CALL | 900 shares | $51,273 |
| SERES THERAPEUTICS INC | CALL | 81750R901 | CALL | 15,300 shares | $51,255 |
| CARETRUST REIT INC | PUT | 14174T957 | PUT | 1,400 shares | $51,212 |
| AVERY DENNISON CORP | PUT | 053611959 | PUT | 300 shares | $51,201 |
| PROSHARES TR II | CALL | 74347W902 | CALL | 2,800 shares | $51,128 |
| FLOWERS FOODS INC | PUT | 343498951 | PUT | 9,200 shares | $51,060 |
| SCHMID GROUP N.V. | COM | N68722102 | — | 10,504 shares | $51,049 |
| TIDAL TRUST II | PUT | 88636X950 | PUT | 6,800 shares | $51,000 |
| VANECK ETF TRUST | COM | 92189H805 | — | 792 shares | $50,893 |
| INVESCO EXCHANGE TRADED FD T | COM | 46137V100 | — | 329 shares | $50,869 |
| ANTERIS TECHNOLOGIES GLOBAL | COM | 03675P102 | — | 6,542 shares | $50,831 |
| ROBINHOOD VENTURES FD I | COM | 770701100 | — | 1,822 shares | $50,724 |
| FREQUENCY ELECTRS INC | CALL | 358010906 | CALL | 600 shares | $50,718 |
| GRANITESHARES ETF TR | CALL | 38747R904 | CALL | 2,100 shares | $50,715 |
| DPC HOLDINGS PLC | PUT | G2R11M958 | PUT | 1,200 shares | $50,712 |
| INTAPP INC | CALL | 45827U909 | CALL | 1,400 shares | $50,694 |
| ALLOT LTD | CALL | M0854Q905 | CALL | 6,000 shares | $50,640 |
| SPDR SERIES TRUST | CALL | 78464A908 | CALL | 500 shares | $50,590 |
| BOK FINL CORP | PUT | 05561Q951 | PUT | 400 shares | $50,560 |
| LIFTOFF MOBILE INC | CALL | 53229X901 | CALL | 3,200 shares | $50,560 |
| CRESCENT CAP BDC INC | PUT | 225655959 | PUT | 5,500 shares | $50,490 |
| LIFEMD INC | CALL | 53216B904 | CALL | 17,400 shares | $50,460 |
| BLAIZE HLDGS INC | COM | 092915107 | — | 105,807 shares | $50,459 |
| IDAHO STRATEGIC RESOURCES | CALL | 645827905 | CALL | 1,800 shares | $50,400 |
| LIFEVANTAGE CORP | PUT | 53222K955 | PUT | 8,000 shares | $50,400 |
| HACKETT GROUP INC | CALL | 404609909 | CALL | 5,000 shares | $50,250 |
| MINIMED GROUP INC | COM | 60365F109 | — | 2,580 shares | $50,232 |
| PDS BIOTECHNOLOGY CORP | PUT | 70465T957 | PUT | 66,800 shares | $50,166 |
| TRADEWEB MKTS INC | COM | 892672106 | — | 497 shares | $50,117 |
| VANDA PHARMACEUTICALS INC | CALL | 921659908 | CALL | 10,200 shares | $50,082 |
| CAE INC | COM | 124765108 | — | 2,085 shares | $50,060 |
| EQUILLIUM INC | PUT | 29446K956 | PUT | 30,800 shares | $50,050 |
| LASER PHOTONICS CORP | COM | 51807Q100 | — | 58,711 shares | $50,021 |
| INNVENTURE INC | CALL | 45784M908 | CALL | 87,200 shares | $49,974 |