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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
  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)
SIONNA THERAPEUTICS INCCOM829401108 — 13,194 shares $69,400
NOMURA HLDGS INCCOM65535H208 — 7,094 shares $69,379
SURGERY PARTNERS INCCALL86881A900 CALL 5,000 shares $69,350
VISTEON CORPPUT92839U956 PUT 800 shares $69,344
MADISON AIR SOLUTIONS CORPCOM55658T105 — 2,815 shares $69,249
GRANITE PT MTG TR INCCALL38741L907 CALL 80,500 shares $69,230
GRANITESHARES ETF TRPUT38747T950 PUT 1,900 shares $69,217
XUNLEI LTDCOM98419E108 — 14,315 shares $69,141
UROGEN PHARMA LTDCALLM96088905 CALL 1,700 shares $69,071
INVESCO EXCHANGE TRADED FD TCALL46137V906 CALL 500 shares $68,913
KRANESHARES TRUSTCOM500767363 — 1,449 shares $68,870
PENN ENTERTAINMENT INCPUT707569959 PUT 4,700 shares $68,855
XERIS BIOPHARMA HOLDINGS INCPUT98422E953 PUT 7,200 shares $68,832
BERKLEY W R CORPCOM084423102 — 1,019 shares $68,823
TREVI THERAPEUTICS INCPUT89532M951 PUT 4,800 shares $68,736
QORVO INCCALL74736K901 CALL 600 shares $68,688
EXCHANGE TRADED CONCEPTS TRUCOM301505467 — 2,818 shares $68,674
SYLVAMO CORPPUT871332952 PUT 2,100 shares $68,628
GRANITESHARES ETF TRCALL38747R904 CALL 3,000 shares $68,520
PROFOUND MED CORPPUT74319B952 PUT 11,800 shares $68,440
ISHARES TRCOM464287598 — 276 shares $68,428
SLR INVESTMENT CORPPUT83413U950 PUT 5,900 shares $68,381
WESTROCK COFFEE COPUT96145W953 PUT 8,500 shares $68,340
INVESTMENT MANAGERS SER TR ICOM46092D376 — 1,882 shares $68,316
IM GLOBAL PARTNER FUNDSCALL53700T907 CALL 2,100 shares $68,313
YORKVILLE ACQUISITION CORP.CALLG98659906 CALL 6,600 shares $68,310
NETSCOUT SYS INCCALL64115T904 CALL 1,700 shares $68,306
INVESCO EXCHANGE TRADED FD TCOM46137V282 — 1,036 shares $68,230
COINSHARES ETF TRCOM91917A207 — 1,516 shares $68,113
CANTOR EQUITY PARTNERS I INCCOMG1827K107 — 6,312 shares $67,980
INVESCO EXCHANGE TRADED FD TPUT46137V956 PUT 1,000 shares $67,830
CAMDEN PPTY TRCALL133131902 CALL 700 shares $67,711
SMITH A O CORPCALL831865909 CALL 1,200 shares $67,644
HENRY JACK & ASSOC INCCOM426281101 — 472 shares $67,609
AMARIN CORP PLCCALL023111904 CALL 5,200 shares $67,600
MICROVAST HOLDINGS INCCOM59516C106 — 105,717 shares $67,584
CITIZENS & NORTHN CORPCALL172922906 CALL 2,700 shares $67,554
ARROWMARK FINANCIAL CORPCALL861780904 CALL 3,400 shares $67,524
GRANITE CONSTR INCCOM387328107 — 581 shares $67,343
ISHARES INCCOM464286749 — 1,138 shares $67,312
HEXCEL CORP NEWPUT428291958 PUT 800 shares $67,136
ISHARES TRCOM46432F339 — 302 shares $67,116
TIDAL TRUST IIPUT88636R953 PUT 9,700 shares $67,027
LLOYDS BANKING GROUP PLCCOM539439109 — 11,891 shares $66,946
WEALTHFRONT CORPCOM947002101 — 6,449 shares $66,940
GLOBAL X FDSPUT37954Y959 PUT 1,900 shares $66,936
AVITA MEDICAL INCPUT05380C952 PUT 5,700 shares $66,861
FIDELITY COVINGTON TRUSTPUT316092951 PUT 1,100 shares $66,803
TXO PARTNERSCOM87313P103 — 4,882 shares $66,736
LEXINFINTECH HLDGS LTDCALL528877903 CALL 92,400 shares $66,620
TIC SOLUTIONS INCCALL00510N902 CALL 8,000 shares $66,560
MIRION TECHNOLOGIES INCPUT60471A951 PUT 4,700 shares $66,364
MICROVAST HOLDINGS INCCALL59516C906 CALL 103,800 shares $66,359
FOSSIL GROUP INCPUT34988V956 PUT 10,100 shares $66,357
TERADATA CORP DELPUT88076W953 PUT 2,300 shares $66,332
GLOBE LIFE INCPUT37959E952 PUT 400 shares $66,260
UNIVERSAL DISPLAY CORPCOM91347P105 — 859 shares $66,177
AMPLIFY ENERGY CORP NEWCOM03212B103 — 15,714 shares $66,155
PERMIAN BASIN RTY TRCALL714236906 CALL 2,100 shares $66,108
TIDAL TRUST IIPUT88636W956 PUT 3,600 shares $66,096
SYNTEC OPTICS HLDGS INCCALL87169M905 CALL 8,000 shares $66,000
STRATA CRITICAL MEDICAL INCCALL092667904 CALL 12,900 shares $65,919
INVESCO EXCHANGE TRADED FD TCALL46137V906 CALL 1,000 shares $65,860
VANECK ETF TRUSTPUT92189H950 PUT 800 shares $65,624
NORDSON CORPCALL655663902 CALL 200 shares $65,570
TAKEDA PHARMACEUTICAL CO LTDCALL874060905 CALL 3,600 shares $65,484
DIREXION SHARES ETF TRUSTCALL25459W902 CALL 3,300 shares $65,472
NOVOCURE LTDPUTG6674U958 PUT 4,100 shares $65,395
GRANITESHARES ETF TRCALL38747T900 CALL 3,400 shares $65,314
LARIMAR THERAPEUTICS INCPUT517125950 PUT 20,400 shares $65,178
ISHARES TRCOM464289438 — 221 shares $65,175
SABRA HEALTH CARE REIT INCPUT78573L956 PUT 3,300 shares $65,076
MATERIALISE NVCALL57667T900 CALL 7,600 shares $65,056
VANGUARD WORLD FDCALL92204A904 CALL 500 shares $65,045
TIDAL TRUST IICALL88636R903 CALL 2,400 shares $65,015
PROSHARES TRCOM74350U740 — 3,885 shares $64,996
GRUPO CIBEST SACALL40090E906 CALL 700 shares $64,995
STANDARDAERO INCCOM85423L103 — 3,040 shares $64,904
QUANTUM SI INCPUT74765K955 PUT 60,600 shares $64,842
DIREXION SHARES ETF TRUSTPUT25459Y956 PUT 500 shares $64,745
ISHARES INCCOM46434G764 — 653 shares $64,699
GLOBAL SHIP LEASE INCCOMY27183600 — 1,460 shares $64,444
LTC PPTYS INCCALL502175902 CALL 1,500 shares $64,305
WESTAMERICA BANCORPORATIONCALL957090903 CALL 1,100 shares $64,152
LIVEWIRE GROUP INCCALL53838J905 CALL 41,900 shares $64,107
BROOKFIELD INFRASTRUCTURE COPUT11276H956 PUT 1,800 shares $64,098
MNTN INCPUT55318A958 PUT 6,300 shares $64,071
ARRAY DIGITAL INFRASTRUCTUREPUT911684958 PUT 1,900 shares $64,067
TIDAL TRUST IICOM88636X203 — 1,593 shares $64,054
PROPETRO HLDG CORPCOM74347M108 — 7,238 shares $63,983
AMERICAN BITCOIN CORP.COM02462A203 — 7,535 shares $63,896
VIRIDIAN THERAPEUTICS INCPUT92790C954 PUT 3,100 shares $63,829
AMERICAN HOMES 4 RENTPUT02665T956 PUT 2,100 shares $63,818
CERUS CORPCALL157085901 CALL 26,800 shares $63,784
GRANITESHARES ETF TRCALL38747R904 CALL 4,200 shares $63,756
CINCINNATI FINL CORPPUT172062951 PUT 400 shares $63,748
INTERNATIONAL MONEY EXPRESSPUT46005L951 PUT 5,500 shares $63,690
GRANITESHARES ETF TRPUT38747R954 PUT 2,000 shares $63,660
EXCHANGE TRADED CONCEPTS TRUCOM301505707 — 791 shares $63,643
ISHARES U S ETF TRPUT46431W953 PUT 1,000 shares $63,620