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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) |
|---|---|---|---|---|---|
| INVESTMENT MANAGERS SER TR | CALL | 46143U902 | CALL | 27,600 shares | $473,616 |
| COCA COLA CONS INC | PUT | 191098952 | PUT | 2,500 shares | $473,175 |
| TRANSALTA CORP | COM | 89346D107 | — | 39,145 shares | $472,871 |
| PROSHARES TR II | PUT | 74347W952 | PUT | 7,400 shares | $471,972 |
| AMERICAN BATTERY TECHNOLOGY | CALL | 02451V909 | CALL | 213,500 shares | $471,835 |
| COINSHARES ETF TR | CALL | 91917A902 | CALL | 10,500 shares | $471,765 |
| SPDR SERIES TRUST | CALL | 78464A908 | CALL | 20,100 shares | $471,747 |
| FERROGLOBE PLC | PUT | G33856958 | PUT | 118,500 shares | $471,037 |
| VITA COCO CO INC | COM | 92846Q107 | — | 8,213 shares | $470,235 |
| SIGMA LITHIUM CORPORATION | CALL | 826599902 | CALL | 50,000 shares | $470,000 |
| SHATTUCK LABS INC | PUT | 82024L953 | PUT | 68,900 shares | $469,898 |
| CAL MAINE FOODS INC | CALL | 128030902 | CALL | 6,900 shares | $469,614 |
| DAUCH CORP | COM | 024061103 | — | 89,944 shares | $469,507 |
| CANADIAN SOLAR INC | COM | 136635109 | — | 40,719 shares | $469,082 |
| GOLDMAN SACHS ETF TR | CALL | 38149W900 | CALL | 8,400 shares | $468,972 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 81,700 shares | $468,958 |
| CORVUS PHARMACEUTICALS INC | PUT | 221015950 | PUT | 40,700 shares | $468,864 |
| AMERICAN SUPERCONDUCTOR CORP | PUT | 030111957 | PUT | 16,100 shares | $468,671 |
| PAR TECHNOLOGY CORP | COM | 698884103 | — | 34,016 shares | $468,060 |
| ROBINHOOD VENTURES FD I | PUT | 770701950 | PUT | 16,800 shares | $467,712 |
| GENESIS ENERGY L P | PUT | 371927954 | PUT | 33,900 shares | $466,464 |
| OMADA HEALTH INC | CALL | 68170A908 | CALL | 22,400 shares | $466,143 |
| FIDELITY NATL FINL INC | COM | 31620R303 | — | 12,048 shares | $465,655 |
| INVESTMENT MANAGERS SER TR I | PUT | 46152A959 | PUT | 13,700 shares | $465,526 |
| ADTRAN HOLDINGS INC | CALL | 00486H905 | CALL | 68,100 shares | $465,463 |
| GRAYSCALE ETHEREUM STAKING E | PUT | 389638957 | PUT | 21,700 shares | $465,031 |
| LIGHTPATH TECHNOLOGIES INC | PUT | 532257955 | PUT | 45,100 shares | $464,981 |
| THEMES ETF TR | PUT | 882927954 | PUT | 124,200 shares | $464,508 |
| VIPSHOP HLDGS LTD | COM | 92763W103 | — | 37,092 shares | $464,020 |
| PROSHARES TR | PUT | 74347G957 | PUT | 8,000 shares | $463,839 |
| BIO-TECHNE CORP | PUT | 09073M954 | PUT | 6,400 shares | $463,808 |
| AMDOCS LTD | CALL | G02602903 | CALL | 8,100 shares | $463,158 |
| JAZZ PHARMACEUTICALS PLC | CALL | G50871905 | CALL | 2,000 shares | $463,040 |
| TRANSDIGM GROUP INC | COM | 893641100 | — | 427 shares | $462,270 |
| PEBBLEBROOK HOTEL TR | CALL | 70509V900 | CALL | 24,600 shares | $461,496 |
| SARATOGA INVT CORP | PUT | 80349A958 | PUT | 27,700 shares | $461,482 |
| INVESTMENT MANAGERS SER TR I | CALL | 46092D906 | CALL | 12,700 shares | $461,010 |
| NOVAGOLD RESOURCES INC | PUT | 66987E956 | PUT | 70,900 shares | $460,850 |
| FORTREA HLDGS INC | CALL | 34965K907 | CALL | 23,100 shares | $460,845 |
| CARPENTER TECHNOLOGY CORP | COM | 144285103 | — | 1,185 shares | $460,751 |
| HELEN OF TROY LTD | PUT | G4388N956 | PUT | 16,800 shares | $460,488 |
| GRANITESHARES ETF TR | CALL | 38747R904 | CALL | 14,400 shares | $460,310 |
| EPR PPTYS | CALL | 26884U909 | CALL | 8,200 shares | $460,266 |
| URANIUM RTY CORP | PUT | 91703D950 | PUT | 113,900 shares | $460,156 |
| AVNET INC | PUT | 053807953 | PUT | 4,600 shares | $459,770 |
| GRANITESHARES ETF TR | COM | 38747R553 | — | 14,698 shares | $459,753 |
| EVOLUS INC | CALL | 30052C907 | CALL | 57,400 shares | $459,200 |
| VIANT TECHNOLOGY INC | PUT | 92557A951 | PUT | 37,300 shares | $459,163 |
| PPG INDS INC | PUT | 693506957 | PUT | 4,400 shares | $459,052 |
| ISHARES S&P GSCI COMMODITY- | CALL | 46428R907 | CALL | 12,900 shares | $458,853 |
| NUVECTIS PHARMA INC | CALL | 67080T908 | CALL | 21,700 shares | $458,304 |
| ABCELLERA BIOLOGICS INC | COM | 00288U106 | — | 31,395 shares | $458,053 |
| B2GOLD CORP | COM | 11777Q209 | — | 87,740 shares | $458,002 |
| NB BANCORP INC | PUT | 63945M957 | PUT | 20,700 shares | $457,884 |
| INVESCO EXCH TRADED FD TR II | CALL | 46138G900 | CALL | 4,600 shares | $457,240 |
| UNICYCIVE THERAPEUTICS INC | COM | 90466Y202 | — | 97,386 shares | $457,227 |
| IAMGOLD CORP | PUT | 450913958 | PUT | 24,800 shares | $456,568 |
| MERCURY SYS INC | PUT | 589378958 | PUT | 5,500 shares | $456,500 |
| WEATHERFORD INTL PLC | CALL | G48833908 | CALL | 5,800 shares | $456,344 |
| ETF OPPORTUNITIES TRUST | CALL | 26923W902 | CALL | 17,700 shares | $456,306 |
| JERSEY MIKES SUBS INC | CALL | 47668J902 | CALL | 27,100 shares | $455,822 |
| ROCKET PHARMACEUTICALS INC | CALL | 77313F906 | CALL | 172,400 shares | $453,411 |
| TEXAS ROADHOUSE INC | CALL | 882681909 | CALL | 2,900 shares | $453,386 |
| GROCERY OUTLET HLDG CORP | CALL | 39874R901 | CALL | 40,300 shares | $453,375 |
| ENOVIS CORPORATION | COM | 194014502 | — | 24,806 shares | $453,205 |
| ELLINGTON FINANCIAL INC | CALL | 28852N909 | CALL | 38,300 shares | $453,089 |
| CREXENDO INC | CALL | 226552907 | CALL | 77,000 shares | $452,760 |
| VERTEX INC | CALL | 92538J906 | CALL | 38,400 shares | $452,351 |
| STRIDE INC | PUT | 86333M958 | PUT | 5,800 shares | $452,284 |
| LATTICE SEMICONDUCTOR CORP | PUT | 518415954 | PUT | 3,600 shares | $452,232 |
| BIOCRYST PHARMACEUTICALS INC | COM | 09058V103 | — | 54,273 shares | $452,094 |
| HIGH TIDE INC | CALL | 42981E901 | CALL | 165,600 shares | $452,088 |
| MELCO RESORTS AND ENTMNT LTD | CALL | 585464900 | CALL | 100,900 shares | $452,032 |
| FOGHORN THERAPEUTICS INC | PUT | 344174957 | PUT | 126,500 shares | $451,605 |
| BNB STANDARD CORP | PUT | 86887P959 | PUT | 76,600 shares | $451,174 |
| BLACKLINE INC | PUT | 09239B959 | PUT | 17,000 shares | $451,010 |
| UNIFIRST CORP MASS | CALL | 904708904 | CALL | 1,800 shares | $450,936 |
| CARTERS INC | PUT | 146229959 | PUT | 14,400 shares | $450,864 |
| UPEXI INC | CALL | 39959A905 | CALL | 395,100 shares | $450,414 |
| NEXTDECADE CORP | PUT | 65342K955 | PUT | 70,900 shares | $450,215 |
| NEIGHBORHOOD INTELLIGENCE IN | COM | 690370101 | — | 152,656 shares | $448,808 |
| NISOURCE INC | CALL | 65473P905 | CALL | 11,500 shares | $448,500 |
| ASHLAND INC | PUT | 044186954 | PUT | 6,600 shares | $448,272 |
| SIX FLAGS ENTERTAINMENT CORP | CALL | 83001C908 | CALL | 41,800 shares | $447,678 |
| LA Z BOY INC | CALL | 505336907 | CALL | 15,100 shares | $447,564 |
| ATLAS LITHIUM CORP | CALL | 105861906 | CALL | 177,600 shares | $447,552 |
| VELOCITY FINL INC | COM | 92262D101 | — | 29,794 shares | $447,505 |
| THEMES ETF TR | COM | 88340C453 | — | 43,096 shares | $446,905 |
| OMEROS CORP | COM | 682143102 | — | 23,469 shares | $446,849 |
| THE REALREAL INC | COM | 88339P101 | — | 50,518 shares | $446,579 |
| 3D SYS CORP DEL | CALL | 88554D905 | CALL | 123,800 shares | $445,680 |
| ITAU UNIBANCO HLDG S A | CALL | 465562906 | CALL | 52,200 shares | $445,265 |
| ARCH CAP GROUP LTD | COM | G0450A105 | — | 4,815 shares | $444,713 |
| AGILON HEALTH INC | COM | 00857U206 | — | 5,584 shares | $444,430 |
| RAYONIER ADVANCED MATLS INC | PUT | 75508B954 | PUT | 55,700 shares | $443,929 |
| RUM GROUP INC | PUT | 78137L955 | PUT | 58,700 shares | $443,772 |
| CHIMERA INVT CORP | CALL | 16934Q902 | CALL | 46,500 shares | $443,144 |
| ONEMAIN HLDGS INC | CALL | 68268W903 | CALL | 8,000 shares | $443,120 |
| NN INC | CALL | 629337906 | CALL | 120,500 shares | $442,235 |
| TANDEM DIABETES CARE INC | CALL | 875372903 | CALL | 27,100 shares | $442,000 |