← 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
  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)
GRANITESHARES ETF TRPUT38747R954 PUT 900 shares $16,389
PROSHARES TRPUT74350P955 PUT 400 shares $16,376
TIDAL TRUST IICOM88634T881 — 1,622 shares $16,365
UNIFI INCPUT904677950 PUT 2,500 shares $16,325
COMPANHIA SIDERURGICA NACIONCALL20440W905 CALL 15,400 shares $16,324
INVESCO EXCHANGE TRADED FD TCALL46137V906 CALL 200 shares $16,316
MAZE THERAPEUTICS INCPUT578784950 PUT 600 shares $16,308
SINCLAIR INCCOM829242106 — 1,285 shares $16,306
MAPLIGHT THERAPEUTICS INCPUT56565P953 PUT 1,600 shares $16,304
TECTONIC THERAPEUTIC INCCALL878972908 CALL 700 shares $16,303
SPDR INDEX SHS FDSCOM78463X509 — 314 shares $16,252
ISHARES INCPUT46434G959 PUT 200 shares $16,232
UPSTREAM BIO INCCOM91678A107 — 3,078 shares $16,221
INTERNATIONAL MONEY EXPRESSCALL46005L901 CALL 1,400 shares $16,212
ARMSTRONG WORLD INDS INC NEWPUT04247X952 PUT 100 shares $16,193
PRENETICS GLOBAL LTDPUTG72245952 PUT 700 shares $16,191
CORGI ETF TR ICALL218946907 CALL 600 shares $16,160
NEXSTAR MEDIA GROUP INCCALL65336K903 CALL 100 shares $16,157
DIREXION SHARES ETF TRUSTCOM25461H556 — 941 shares $16,138
ONESPAN INCCALL68287N900 CALL 900 shares $16,119
HEALTH CATALYST INCCOM42225T107 — 9,302 shares $16,092
MICROBOT MED INCCALL59503A904 CALL 13,400 shares $16,080
PROSHARES TRPUT74350P955 PUT 600 shares $16,074
PHATHOM PHARMACEUTICALS INCCALL71722W907 CALL 2,200 shares $16,060
VISTAGEN THERAPEUTICS INCCALL92840H900 CALL 52,000 shares $16,016
OATLY GROUP ABCOM67421J207 — 1,466 shares $16,008
CBL & ASSOC PPTYS INCCALL124830908 CALL 300 shares $16,007
AMPLIFY COMMODITY TRUSTCALL03210A906 CALL 1,100 shares $16,005
PAYLOCITY HLDG CORPCOM70438V106 — 112 shares $15,967
LISTED FDS TRCALL53656F907 CALL 800 shares $15,956
VISTAGEN THERAPEUTICS INCPUT92840H950 PUT 51,700 shares $15,923
SPECTRUM BRANDS HOLDINGS INCCALL84790A905 CALL 200 shares $15,902
AMPLIFY ETF TRCOM032108565 — 323 shares $15,867
VANECK ETF TRUSTCOM92189F825 — 968 shares $15,856
VERSANT MEDIA GROUP INCCALL925283903 CALL 500 shares $15,850
PROSHARES TRCOM74347R214 — 137 shares $15,816
NET LEASE OFFICE PROPERTIESCALL64110Y908 CALL 1,600 shares $15,791
COMPANIA DE MINAS BUENAVENTUPUT204448954 PUT 500 shares $15,790
FIRST TR EXCHANGE-TRADED FDCOM33733E500 — 326 shares $15,736
HYSTER-YALE INCCALL449172905 CALL 500 shares $15,735
SPDR SERIES TRUSTCALL78468R907 CALL 400 shares $15,688
EASTERLY GOVT PPTYS INCCOM27616P301 — 676 shares $15,683
TIDAL TRUST IICOM88636R347 — 1,004 shares $15,642
GRANITESHARES ETF TRPUT38747R954 PUT 200 shares $15,632
CHILDRENS PL INC NEWPUT168905957 PUT 7,300 shares $15,622
ISHARES TRCOM46429B200 — 563 shares $15,611
TTEC HLDGS INCPUT89854H952 PUT 12,000 shares $15,600
NEWTEKONE INCCALL652526903 CALL 1,400 shares $15,582
VEECO INSTRS INC DELCALL922417900 CALL 300 shares $15,570
HEALTH CATALYST INCPUT42225T957 PUT 9,000 shares $15,569
SCHMID GROUP N.V.CALLN68722902 CALL 3,200 shares $15,552
HUYA INCCOM44852D108 — 6,818 shares $15,545
POPULAR INCCALL733174900 CALL 100 shares $15,544
ADVISOR MANAGED PORTFOLIOSPUT00777X956 PUT 300 shares $15,538
ESSENTIAL PPTYS RLTY TR INCPUT29670E957 PUT 600 shares $15,485
ALAMO GROUP INCCOM011311107 — 100 shares $15,477
ALAMO GROUP INCPUT011311957 PUT 100 shares $15,477
TPG MTG INVTS TR INCCALL001228901 CALL 2,700 shares $15,471
TIDAL TRUST IICOM88636J139 — 901 shares $15,461
BLACK ROCK COFFEE BAR INCCOM092244102 — 2,167 shares $15,450
PRINCIPAL FINANCIAL GROUP INCOM74251V102 — 138 shares $15,450
SABRA HEALTH CARE REIT INCCOM78573L106 — 783 shares $15,440
SPECTRUM BRANDS HOLDINGS INCCOM84790A105 — 194 shares $15,424
ROGERS COMMUNICATIONS INCCALL775109900 CALL 500 shares $15,400
INVESTMENT MANAGERS SER TR ICALL46152A909 CALL 1,000 shares $15,390
CABOT CORPPUT127055951 PUT 200 shares $15,382
EPR PPTYSCOM26884U109 — 274 shares $15,379
GRACO INCCALL384109904 CALL 200 shares $15,368
IDEAYA BIOSCIENCES INCCALL45166A902 CALL 400 shares $15,368
CANNAE HLDGS INCCALL13765N907 CALL 1,000 shares $15,340
BROOKFIELD RENEWABLE CORPCOM11285B108 — 542 shares $15,295
LIFEVANTAGE CORPCOM53222K205 — 2,424 shares $15,271
RUNWAY GROWTH FINANCE CORPCALL78163D900 CALL 2,300 shares $15,226
MORNINGSTAR INCCOM617700109 — 80 shares $15,203
GENELUX CORPORATIONPUT36870H953 PUT 6,000 shares $15,180
YOUDAO INCCALL98741T904 CALL 1,000 shares $15,150
YOUDAO INCPUT98741T954 PUT 1,000 shares $15,150
JANUS DETROIT STR TRCALL47103U906 CALL 300 shares $15,141
VIVOPOWER PLCCOMG9376R209 — 4,103 shares $15,140
VANECK ETF TRUSTPUT92189F952 PUT 1,800 shares $15,138
ETF OPPORTUNITIES TRUSTCOM26923N389 — 468 shares $15,125
CLEAR CHANNEL OUTDOOR HLDGSCOM18453H106 — 6,434 shares $15,119
DIREXION SHARES ETF TRUSTPUT25460E959 PUT 500 shares $15,090
INVESCO EXCH TRADED FD TR IICALL46138E905 CALL 100 shares $15,072
GULFPORT ENERGY CORPCALL402635902 CALL 100 shares $15,047
GULFPORT ENERGY CORPPUT402635952 PUT 100 shares $15,047
TRON INCCOM85237B101 — 10,579 shares $15,022
SAN JUAN BASIN RTY TRCOM798241105 — 4,113 shares $15,012
STREAMEX CORPCOM09073N300 — 23,343 shares $15,009
PROSHARES TRCOM74347G770 — 156 shares $15,008
KEMPER CORPCALL488401900 CALL 600 shares $15,000
AIRSCULPT TECHNOLOGIES INCPUT009496950 PUT 8,500 shares $14,960
ALTI GLOBAL INCCALL02157E906 CALL 5,000 shares $14,950
THEMES ETF TRCALL882927904 CALL 300 shares $14,939
AGENUS INCPUT00847G954 PUT 1,500 shares $14,895
AELUMA INCCOM00776X109 — 1,205 shares $14,893
AMERICAN ASSETS TR INCCALL024013904 CALL 700 shares $14,882
ARK ETF TRCALL00214Q907 CALL 600 shares $14,880
ROUNDHILL ETF TRUSTCALL77926X902 CALL 600 shares $14,844
CURIOSITYSTREAM INCCALL23130Q907 CALL 5,100 shares $14,841