← 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)
FIRST TR EXCHANGE TRADED FDCOM33738R704 — 72 shares $7,433
DIREXION SHARES ETF TRUSTPUT25460E959 PUT 100 shares $7,420
SOTERA HEALTH COCALL83601L902 CALL 400 shares $7,395
HIGH TEMPLAR TECHNOLOGY LTDCALL747798906 CALL 3,100 shares $7,378
KARDIGAN INCCALL485925901 CALL 500 shares $7,375
INVESTMENT MANAGERS SER TR IPUT46152A959 PUT 500 shares $7,355
WORLD KINECT CORPORATIONCOM981475106 — 209 shares $7,348
OXFORD INDS INCCALL691497909 CALL 300 shares $7,332
TIDAL TRUST IICALL88636W906 CALL 500 shares $7,323
GRANITESHARES ETF TRCALL38747R904 CALL 900 shares $7,317
SAVERS VALUE VLG INCCOM80517M109 — 794 shares $7,312
TIDAL TRUST IICALL88636X900 CALL 200 shares $7,303
SCHWAB STRATEGIC TRCALL808524908 CALL 200 shares $7,290
CADIZ INCCOM127537207 — 1,859 shares $7,287
TRAVELZOOCOM89421Q205 — 1,323 shares $7,276
DOMINARI HOLDINGS INCCOM008875304 — 3,320 shares $7,270
ANI PHARMACEUTICALS INCPUT00182C953 PUT 100 shares $7,265
PROSHARES TRCOM74347B201 — 171 shares $7,265
PROSHARES TRCOM74347R842 — 128 shares $7,260
RAVE RESTAURANT GROUP INCCOM754198109 — 3,156 shares $7,258
THEMES ETF TRPUT88340F955 PUT 1,200 shares $7,248
PROSHARES TRCALL74347G907 CALL 300 shares $7,248
CAPITAL-FORCE ETF TRCOM14016P206 — 208 shares $7,240
SCANSOURCE INCCOM806037107 — 123 shares $7,223
NANO X IMAGING LTDCALLM70700905 CALL 10,400 shares $7,213
DIREXION SHARES ETF TRUSTPUT25461A954 PUT 700 shares $7,203
FIDELITY COVINGTON TRUSTCALL316092901 CALL 100 shares $7,201
ISHARES TRPUT464287957 PUT 100 shares $7,195
MATIV HOLDINGS INCCOM808541106 — 620 shares $7,185
PLATINUM GROUP METALS LTDPUT72765Q952 PUT 5,700 shares $7,182
PROFRAC HLDG CORPCOM74319N100 — 1,648 shares $7,152
DIANA SHIPPING INCPUTY2066G954 PUT 2,600 shares $7,150
ETF OPPORTUNITIES TRUSTCALL26923V908 CALL 700 shares $7,140
RF INDS LTDCALL749552905 CALL 900 shares $7,128
KURV ETF TRCALL500948900 CALL 200 shares $7,127
CHIPMOS TECHNOLOGIES INCCOM16965P202 — 99 shares $7,105
DIREXION SHARES ETF TRUSTPUT25460G956 PUT 1,000 shares $7,100
CG ONCOLOGY INCPUT156944950 PUT 100 shares $7,089
TEMA ETF TRUSTPUT87975E953 PUT 200 shares $7,086
V2X INCCALL92242T901 CALL 100 shares $7,077
V2X INCPUT92242T951 PUT 100 shares $7,077
KARYOPHARM THERAPEUTICS INCPUT48576U955 PUT 5,800 shares $7,076
ISHARES TRCALL464287907 CALL 100 shares $7,073
INVESTMENT MANAGERS SER TR IPUT46152A959 PUT 300 shares $7,065
SURGEPAYS INCCOM86882L204 — 47,106 shares $7,065
ISHARES INCPUT464286951 PUT 100 shares $7,051
MICROVISION INC DELPUT594960953 PUT 4,700 shares $7,050
DULUTH HLDGS INCCALL26443V901 CALL 1,800 shares $7,020
DOUBLELINE INCOME SOLUTIONSPUT258622959 PUT 700 shares $7,000
SCHWAB STRATEGIC TRCOM808524656 — 106 shares $6,998
THREDUP INCCALL88556E902 CALL 3,300 shares $6,996
DIREXION SHARES ETF TRUSTCALL25460G906 CALL 300 shares $6,987
GLOBAL X FDSPUT37960A953 PUT 100 shares $6,984
DIGIMARC CORPPUT25382K950 PUT 1,200 shares $6,984
FATE THERAPEUTICS INCCOM31189P102 — 2,946 shares $6,982
GLOBAL X FDSCALL37954Y909 CALL 100 shares $6,981
SILGAN HLDGS INCCALL827048909 CALL 200 shares $6,950
SILGAN HLDGS INCPUT827048959 PUT 200 shares $6,950
PRENETICS GLOBAL LTDCALLG72245902 CALL 300 shares $6,939
BLACKROCK ETF TRUSTPUT09290C953 PUT 100 shares $6,926
ELEVATION SERIES TRUSTCALL210322906 CALL 100 shares $6,922
KURV ETF TRPUT500948950 PUT 300 shares $6,909
FORRESTER RESH INCPUT346563959 PUT 600 shares $6,906
BRIGHTSPIRE CAPITAL INCPUT10949T959 PUT 1,800 shares $6,894
BLACKROCK ETF TRUSTCALL09290C903 CALL 200 shares $6,892
INVESCO EXCHANGE TRADED FD TCOM46137V837 — 50 shares $6,891
CONCENTRA GROUP HOLDINGS PARPUT20603L952 PUT 200 shares $6,884
ECOVYST INCCALL27923Q909 CALL 700 shares $6,881
ISHARES TRCALL46429B907 CALL 100 shares $6,880
TIDAL TRUST IIPUT88636J956 PUT 400 shares $6,880
NOMAD FOODS LTDCOMG6564A105 — 666 shares $6,879
ISHARES STAKED ETHEREUM TR EPUT46438M956 PUT 200 shares $6,870
TANGER INCCALL875465906 CALL 200 shares $6,859
TANGER INCPUT875465956 PUT 200 shares $6,859
ETF OPPORTUNITIES TRUSTPUT26923N955 PUT 2,500 shares $6,850
CONCENTRA GROUP HOLDINGS PARCOM20603L102 — 199 shares $6,849
IDEAYA BIOSCIENCES INCCOM45166A102 — 178 shares $6,838
SKYAI INCCALL82003F909 CALL 3,500 shares $6,825
CHENIERE ENERGY PARTNERS L PCOM16411Q101 — 112 shares $6,816
PROSHARES TRCOM74347G374 — 376 shares $6,816
ROUNDHILL ETF TRUSTPUT77926X952 PUT 400 shares $6,804
ISHARES INCPUT464286951 PUT 200 shares $6,800
STEM INCCALL85859N900 CALL 1,600 shares $6,800
ETF OPPORTUNITIES TRUSTCALL26923N905 CALL 600 shares $6,797
ISHARES TRCOM46436E338 — 334 shares $6,770
EXPRO LTDCOMG3314M109 — 429 shares $6,765
KINGSWAY CORPCOM496904202 — 712 shares $6,764
REKOR SYSTEMS INCCALL759419904 CALL 18,300 shares $6,752
THEMES ETF TRCALL882927904 CALL 1,800 shares $6,732
ISHARES TRPUT464288955 PUT 100 shares $6,722
TIDAL TRUST IICOM88636X500 — 213 shares $6,713
TELUS CORPORATIONPUT87971M953 PUT 800 shares $6,712
TACTILE SYS TECHNOLOGY INCPUT87357P950 PUT 300 shares $6,687
FRANKLIN TEMPLETON ETF TRPUT35473P954 PUT 100 shares $6,681
ADICET BIO INCCOM007002207 — 934 shares $6,668
PRAIRIE OPER COPUT739650959 PUT 16,200 shares $6,666
INVESCO EXCHANGE TRADED FD TCOM46137V324 — 115 shares $6,660
EVOLUTION PETE CORPCOM30049A107 — 1,881 shares $6,658
CVRX INCCALL126638905 CALL 3,800 shares $6,650
TIDAL TRUST IICALL88636W906 CALL 500 shares $6,639