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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
  • Sep 30, 2026: $183,823,872,854

More quarters will appear as history becomes available.

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
  1. STATE STR SPDR S&P 500 ETF T · PUT · 78462F953 · shares · PUT: $29,249,377,179
  2. STATE STR SPDR S&P 500 ETF T · CALL · 78462F903 · shares · CALL: $17,442,492,045
  3. INVESCO QQQ TR · PUT · 46090E953 · shares · PUT: $12,078,446,721
  4. INVESCO QQQ TR · CALL · 46090E903 · shares · CALL: $8,865,107,772
  5. ISHARES TR · PUT · 464287957 · shares · PUT: $7,705,507,038
  6. ISHARES TR · CALL · 464287907 · shares · CALL: $4,481,046,859
  7. NVIDIA CORPORATION · PUT · 67066G954 · shares · PUT: $3,643,049,246
  8. NVIDIA CORPORATION · CALL · 67066G904 · shares · CALL: $3,591,709,422
  9. META PLATFORMS INC · CALL · 30303M902 · shares · CALL: $3,350,259,082
  10. MICRON TECHNOLOGY INC · PUT · 595112953 · shares · PUT: $2,763,853,939

Reported holdings

10,469 reported entries
IssuerClassCUSIPTypeShares / principalReported value (USD)
SENSIENT TECHNOLOGIES CORPCOM81725T100 — 3 shares $392
NORTHWESTERN ENERGY GROUP INCALL668074905 CALL 700 shares $391
NANOVIRICIDES INCPUT630087952 PUT 300 shares $390
FINGERMOTION INCPUT31788K958 PUT 2,200 shares $389
MAXCYTE INCCOM57777K106 — 343 shares $384
QUANTUM EMOTION CORPCOM74767K103 — 257 shares $380
WHITEHAWK THERAPEUTICS INCPUT00032Q954 PUT 100 shares $376
VIVANI MEDICAL INCPUT92854B959 PUT 300 shares $372
TIDAL TRUST IIPUT88636Y958 PUT 100 shares $368
ARMATA PHARMACEUTICALS INCPUT04216R952 PUT 100 shares $367
INSEEGO CORPCALL45782B902 CALL 100 shares $366
CBAK ENERGY TECHNOLOGY LTDCOMG20080100 — 267 shares $355
BLACK DIAMOND THERAPEUTICS ICOM09203E105 — 187 shares $352
MILESTONE PHARMACEUTICALS INCOM59935V107 — 404 shares $349
JASPER THERAPEUTICS INCCALL471871902 CALL 600 shares $347
CITIZENS INCCALL174740900 CALL 100 shares $345
JAMES RIV GROUP HOLDINGS INCCALL46990A902 CALL 100 shares $343
LARGO INCPUT517097951 PUT 700 shares $340
CLARUS CORP NEWPUT18270P959 PUT 100 shares $339
CORGI ETF TR IPUT218946957 PUT 100 shares $336
MAXCYTE INCCALL57777K906 CALL 300 shares $336
MEDICINOVA INCPUT58468P956 PUT 200 shares $335
MGP INGREDIENTS INC NEWCOM55303J106 — 25 shares $331
FIRST TR EXCHANGE-TRADED FDCALL33738D909 CALL 100 shares $328
BOXABL INCORPORATEDCALL10316W907 CALL 100 shares $327
CONSTELLIUM SECALLF21107901 CALL 500 shares $325
FUEL TECH INCPUT359523957 PUT 200 shares $324
THEMES ETF TRCOM882927395 — 16 shares $319
ETF OPPORTUNITIES TRUSTPUT26923V958 PUT 100 shares $319
THEMES ETF TRCOM88340C446 — 78 shares $318
GLOBAL X FDSCOM37950E408 — 20 shares $315
FLUX PWR HLDGS INCPUT344057952 PUT 700 shares $315
ETF OPPORTUNITIES TRUSTCOM26923V621 — 99 shares $315
CITIUS PHARMACEUTICALS INCCOM17322U306 — 584 shares $310
MIDDLEBY CORPCOM596278101 — 3 shares $310
PROSHARES TRCALL74350P905 CALL 300 shares $304
FINVOLUTION GROUPPUT31810T951 PUT 100 shares $303
KARTOON STUDIOS INC.PUT37229T959 PUT 500 shares $296
HERON THERAPEUTICS INCCOM427746102 — 924 shares $289
MAMMOTH ENERGY SVCS INCPUT56155L958 PUT 100 shares $284
YIREN DIGITAL LTDCALL98585L900 CALL 300 shares $284
INGEVITY CORPCOM45688C107 — 4 shares $283
ISHARES TRPUT46435U951 PUT 100 shares $280
BRILLIANT EARTH GROUP INCCALL109504900 CALL 200 shares $266
INVESCO EXCHANGE TRADED FD TCALL46137V906 CALL 100 shares $266
ETF OPPORTUNITIES TRUSTCOM26923Q465 — 90 shares $262
NANOVIRICIDES INCCALL630087902 CALL 200 shares $260
KALTURA INCCALL483467906 CALL 200 shares $256
ELEDON PHARMACEUTICALS INCCALL28617K901 CALL 100 shares $253
IRIDEX CORPCALL462684901 CALL 400 shares $252
TVARDI THERAPEUTICS INCCALL140755907 CALL 200 shares $250
AMPLIFY ETF TRCOM032108722 — 6 shares $249
ORION PROPERTIES INCCALL68629Y903 CALL 100 shares $249
CARDIFF ONCOLOGY INCPUT14147L958 PUT 200 shares $242
LESLIES INCCALL527064908 CALL 1,500 shares $240
LIBERTY LATIN AMERICA LTDCOMG9001E102 — 29 shares $240
INNOVATOR ETFS TRUSTCALL45783Y905 CALL 100 shares $237
THEMES ETF TRPUT88340C953 PUT 100 shares $237
HOLLEY INCCALL43538H903 CALL 100 shares $236
CLEAR CHANNEL OUTDOOR HLDGSPUT18453H956 PUT 100 shares $235
INVESTCORP CR MGMT BDC INCCOM46090R104 — 284 shares $235
J P MORGAN EXCHANGE TRADED FCALL46641Q905 CALL 100 shares $231
THEMES ETF TRCOM882927429 — 6 shares $231
INTELLICHECK MOBILISA INCCALL45817G901 CALL 100 shares $229
INTELLICHECK MOBILISA INCPUT45817G951 PUT 100 shares $229
EXPENSIFY INCPUT30219Q956 PUT 100 shares $225
SPRUCE POWER HOLDING CORPCOM9837FR209 — 131 shares $224
MARTIN MIDSTREAM PRTNRS L PCALL573331905 CALL 100 shares $222
GOGO INCCALL38046C909 CALL 100 shares $215
ETF OPPORTUNITIES TRUSTCOM26923V324 — 15 shares $207
KARTOON STUDIOS INC.COM37229T509 — 350 shares $207
DOLPHIN ENTMT INCCOM25686H308 — 194 shares $205
THEMES ETF TRCOM88340W707 — 77 shares $202
DOUGLAS DYNAMICS INCCOM25960R105 — 5 shares $196
PULMONX CORPPUT745848951 PUT 100 shares $191
THEMES ETF TRPUT88340F955 PUT 100 shares $188
THEMES ETF TRCOM88340C834 — 60 shares $187
LANDS END INC NEWCOM51509F105 — 18 shares $185
REKOR SYSTEMS INCPUT759419954 PUT 500 shares $184
DEFINITIVE HEALTHCARE CORPPUT24477E953 PUT 200 shares $181
TENAYA THERAPEUTICS INCPUT87990A956 PUT 300 shares $181
VERRICA PHARMACEUTICALS INCPUT92511W957 PUT 100 shares $179
MSA SAFETY INCCOM553498106 — 1 shares $177
RLX TECHNOLOGY INCCOM74969N103 — 104 shares $176
TROOPS INCPUTG9094C954 PUT 100 shares $175
BIOCERES CROP SOLUTIONS CORPPUTG1117K954 PUT 500 shares $173
COSMOS HEALTH INCPUT221413955 PUT 400 shares $172
DIANA SHIPPING INCCOMY2066G104 — 231 shares $168
NEUROPACE INCCOM641288105 — 12 shares $165
SOL STRATEGIES INCPUT83411A955 PUT 100 shares $163
WEBS ETF TRPUT87166N952 PUT 200 shares $160
SUI GROUP HOLDINGS LIMITEDPUT59982U950 PUT 100 shares $156
DOUGLAS ELLIMAN INCPUT25961D955 PUT 100 shares $152
SURGEPAYS INCCALL86882L904 CALL 1,000 shares $150
RESEARCH FRONTIERS INCPUT760911957 PUT 200 shares $147
ONKURE THERAPEUTICS INCPUT68277Q955 PUT 100 shares $146
INVESTMENT MANAGERS SER TR ICOM46152N629 — 9 shares $143
EHEALTH INCCALL28238P909 CALL 200 shares $142
CELULARITY INCPUT151190954 PUT 100 shares $135
KALTURA INCPUT483467956 PUT 100 shares $128