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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)
COMPANHIA DE SANEAMENTO BASICALL20441A902 CALL 9,400 shares $49,914
SASOL LTDCOM803866300 — 3,606 shares $49,834
HAVERTY FURNITURE COS INCCALL419596901 CALL 1,800 shares $49,806
CRESCENT BIOPHARMA INC.COMG2545C104 — 3,413 shares $49,795
PATTERN GROUP INCCALL70339W904 CALL 2,900 shares $49,764
SAVERS VALUE VLG INCPUT80517M959 PUT 5,400 shares $49,734
NCR ATLEOS CORPORATIONPUT63001N956 PUT 1,100 shares $49,698
SURGERY PARTNERS INCCOM86881A100 — 3,583 shares $49,696
CUBESMARTCOM229663109 — 1,321 shares $49,643
PIMCO ETF TRPUT72201R952 PUT 1,100 shares $49,610
ETF OPPORTUNITIES TRUSTCALL26923N905 CALL 1,600 shares $49,531
DATA I O CORPCALL237690902 CALL 16,900 shares $49,517
BALCHEM CORPCALL057665900 CALL 300 shares $49,488
MERCURY GENL CORP NEWCALL589400900 CALL 500 shares $49,425
COMSTOCK RES INCCOM205768302 — 4,008 shares $49,378
FILANA THERAPEUTICS INCCOM14817C107 — 55,699 shares $49,349
NEWTEKONE INCCOM652526203 — 4,430 shares $49,305
LB PHARMACEUTICALS INCCOM50180M108 — 1,283 shares $49,241
AMERIPRISE FINL INCPUT03076C956 PUT 100 shares $49,235
GAIN THERAPEUTICS INCCOM36269B105 — 28,457 shares $49,230
VANGUARD MALVERN FDSPUT922020955 PUT 1,000 shares $49,220
SHAKE SHACK INCCOM819047101 — 838 shares $49,173
DIREXION SHARES ETF TRUSTCOM25461A312 — 1,767 shares $49,145
VANGUARD BD INDEX FDSPUT921937955 PUT 700 shares $49,105
EASTMAN CHEM COCOM277432100 — 757 shares $49,083
MORGAN STANLEY DIRECT LENDINCALL61774A903 CALL 3,600 shares $49,068
AVISTA CORPCOM05379B107 — 1,398 shares $49,055
SABRE CORPPUT78573M954 PUT 23,100 shares $48,972
HARTFORD INSURANCE GROUP INCPUT416515954 PUT 400 shares $48,944
SERVICE PPTYS TRCOM81761L201 — 7,600 shares $48,944
GLOBAL X FDSCALL37960A903 CALL 700 shares $48,888
GENPACT LIMITEDPUTG3922B957 PUT 1,500 shares $48,795
CHENIERE ENERGY PARTNERS L PPUT16411Q951 PUT 800 shares $48,688
CONDUENT INCCOM206787103 — 31,154 shares $48,600
BLAIZE HLDGS INCCALL092915907 CALL 101,900 shares $48,596
ENLIGHT RENEWABLE ENERGY LTDPUTM4056D950 PUT 700 shares $48,587
IMMUNOCORE HLDGS PLCCALL45258D905 CALL 1,600 shares $48,464
MIMEDX GROUP INCPUT602496951 PUT 10,400 shares $48,464
SKYWEST INCPUT830879952 PUT 500 shares $48,460
DIREXION SHARES ETF TRUSTCALL25461A904 CALL 4,100 shares $48,421
SPERO THERAPEUTICS INCCALL84833T903 CALL 40,000 shares $48,400
SASOL LTDPUT803866950 PUT 3,500 shares $48,370
PALOMAR HLDGS INCCOM69753M105 — 392 shares $48,329
LEGENCE CORPCALL52476L909 CALL 900 shares $48,312
EXCHANGE TRADED CONCEPTS TRUPUT301505959 PUT 600 shares $48,276
BANK OF HI CORPCALL062540909 CALL 700 shares $48,244
F N B CORPPUT302520951 PUT 2,800 shares $48,188
BANCORP INC DELPUT05969A955 PUT 1,000 shares $48,160
CYTOMX THERAPEUTICS INC.PUT23284F955 PUT 17,700 shares $48,143
PROQR THRAPEUTICS N VCALLN71542909 CALL 29,000 shares $48,140
WILLSCOT HLDGS CORPPUT971378954 PUT 2,800 shares $48,104
LENZ THERAPEUTICS INCCOM52635N103 — 12,518 shares $48,069
CATO CORP NEWPUT149205956 PUT 20,100 shares $48,039
ARBUTUS BIOPHARMA CORPCOM03879J100 — 10,044 shares $48,010
TRIUMPH FINANCIAL INCCALL89679E900 CALL 800 shares $47,992
ABRDN ETFSCOM003261104 — 1,855 shares $47,988
AIRJOULE TECHNOLOGIES CORPCALL612160901 CALL 12,300 shares $47,970
VULCAN MATLS COCOM929160109 — 196 shares $47,947
FRANKLIN ELEC INCPUT353514952 PUT 500 shares $47,945
ALKAMI TECHNOLOGY INCCALL01644J908 CALL 3,500 shares $47,915
CALLAWAY GOLF COCALL131193904 CALL 3,400 shares $47,906
OCUGEN INCPUT67577C955 PUT 46,500 shares $47,895
LOAR HOLDINGS INCCOM53947R105 — 778 shares $47,862
DIREXION SHARES ETF TRUSTCOM25459W755 — 5,772 shares $47,849
PROSHARES TRCALL74347R902 CALL 300 shares $47,754
PERSPECTIVE THERAPEUTICS INCCOM46489V302 — 17,360 shares $47,740
DUCOMMUN INC DELCOM264147109 — 278 shares $47,688
ROUNDHILL ETF TRUSTCALL77926X902 CALL 2,800 shares $47,628
GRAYSCALE ETHEREUM STAKING ECOM389638107 — 2,221 shares $47,596
DIREXION SHARES ETF TRUSTCALL25461H901 CALL 4,400 shares $47,564
CANAAN INCPUT134748952 PUT 137,700 shares $47,506
ROUNDHILL ETF TRUSTPUT77926X952 PUT 800 shares $47,464
HORIZON QUANTUM HOLDINGS LTDCOMY4000A102 — 3,193 shares $47,447
ARROW ELECTRS INCCOM042735100 — 209 shares $47,443
PETCO HEALTH & WELLNESS CO IPUT71601V955 PUT 20,900 shares $47,443
PERIMETER SOLUTIONS INCCALL71385M907 CALL 1,800 shares $47,376
PROCEPT BIOROBOTICS CORPPUT74276L955 PUT 2,600 shares $47,372
STRATASYS LTDPUTM85548951 PUT 5,700 shares $47,367
EMBECTA CORPCOM29082K105 — 8,358 shares $47,306
SEALSQ CORPCOMG79483106 — 20,210 shares $47,291
GLOBAL X FDSPUT37954Y959 PUT 900 shares $47,250
BUCKLE INCCALL118440906 CALL 1,100 shares $47,245
HONEST CO INCPUT438333956 PUT 9,200 shares $47,196
SYNAPTICS INCCOM87157D109 — 465 shares $47,148
GRAFTECH INTL LTD SR NTPUT384313957 PUT 5,700 shares $47,139
GRUPO AEROPORTUARIO DEL SURECALL40051E902 CALL 200 shares $47,038
EVERUS CONSTR GROUPCALL300426903 CALL 400 shares $47,008
VANGUARD SCOTTSDALE FDSPUT92206C950 PUT 600 shares $46,986
INVESTMENT MANAGERS SER TR ICOM46092D590 — 3,800 shares $46,968
BKV CORPPUT05603J958 PUT 2,200 shares $46,948
DYNAGAS LNG PARTNERS LPCALLY2188B908 CALL 12,000 shares $46,920
INSIGHT ENTERPRISES INCCALL45765U903 CALL 300 shares $46,896
SCHWAB STRATEGIC TRCOM808524698 — 2,184 shares $46,824
URBAN OUTFITTERS INCCOM917047102 — 613 shares $46,820
SIGHT SCIENCES INCCALL82657M905 CALL 5,000 shares $46,800
MUELLER WTR PRODS INCPUT624758958 PUT 2,200 shares $46,728
GBANK FINL HLDGS INCCOM36166F100 — 2,569 shares $46,704
LGI HOMES INCCALL50187T906 CALL 1,000 shares $46,640
LGI HOMES INCPUT50187T956 PUT 1,000 shares $46,640
TEMA ETF TRUSTPUT87975E953 PUT 1,200 shares $46,632