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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)
THE REALREAL INCCALL88339P901 CALL 97,900 shares $865,436
CRESCENT ENERGY COMPANYCOM44952J104 — 67,139 shares $865,421
A2Z CUST2MATE SOLUTIONS CORPCOM002205102 — 150,477 shares $865,242
POLESTAR AUTOMOTIVE HLDG UKCALL731105909 CALL 132,300 shares $865,242
TSAKOS ENERGY NAVIGATION LTDCALLG9108L903 CALL 18,300 shares $864,675
NCR VOYIX CORPORATIONCALL62886E908 CALL 126,300 shares $863,892
KANZHUN LIMITEDCOM48553T106 — 58,366 shares $863,816
ONESPAN INCCOM68287N100 — 48,214 shares $863,512
DEFI DEVELOPMENT CORPCOM47100L301 — 160,621 shares $862,534
VANGUARD TAX-MANAGED FDSCALL921943908 CALL 12,200 shares $861,442
ISHARES TRCOM464288224 — 50,672 shares $861,424
GLOBAL X FDSPUT37954Y959 PUT 13,200 shares $860,111
PURECYCLE TECHNOLOGIES INCPUT74623V953 PUT 194,900 shares $859,509
GLOBAL X FDSPUT37960A953 PUT 14,300 shares $859,144
CRYOPORT INCCALL229050907 CALL 49,300 shares $857,820
PLANET FITNESS MASTER ISSUERCALL72703H901 CALL 20,300 shares $857,066
MURPHY USA INCPUT626755952 PUT 1,700 shares $856,851
OBSIDIAN ENERGY LTDCOM674482203 — 83,170 shares $856,651
CARPENTER TECHNOLOGY CORPCALL144285903 CALL 2,200 shares $855,404
INTELLIA THERAPEUTICS INCPUT45826J955 PUT 70,900 shares $855,054
WENDYS COCOM95058W100 — 133,998 shares $854,907
UNUSUAL MACHS INCCOM91532F102 — 34,919 shares $854,817
KENVUE INCPUT49177J952 PUT 48,400 shares $854,744
AMERICAN WTR WKS CO INC NEWCALL030420903 CALL 6,600 shares $854,502
STAR BULK CARRIERS CORP.PUTY8162K954 PUT 29,100 shares $854,376
ARRIVENT BIOPHARMA INCCALL04272N902 CALL 28,200 shares $853,896
FORUM MARKETS INCPUT68236V951 PUT 180,700 shares $852,903
BIOMARIN PHARMACEUTICAL INCPUT09061G951 PUT 14,200 shares $852,000
MICROVISION INC DELCALL594960903 CALL 567,400 shares $851,100
GRANITESHARES ETF TRPUT38747R954 PUT 40,400 shares $850,824
AMPLIFY ETF TRCOM032108664 — 7,017 shares $850,741
FULCRUM THERAPEUTICS INCCALL359616909 CALL 229,200 shares $848,040
ITT INCCALL45073V908 CALL 4,200 shares $847,644
ISHARES TRPUT464287957 PUT 3,700 shares $844,636
PROSHARES TRCOM74347G804 — 14,565 shares $844,478
TEXAS ROADHOUSE INCPUT882681959 PUT 5,400 shares $844,236
CMB.TECH NVCALLB38564908 CALL 44,500 shares $842,385
CIRRUS LOGIC INCCOM172755100 — 7,020 shares $842,189
RADNET INCPUT750491952 PUT 12,200 shares $841,068
OLLIES BARGAIN OUTLET HLDGSPUT681116959 PUT 9,800 shares $839,370
MONOLITHIC PWR SYS INCCOM609839105 — 623 shares $839,318
MARSH & MCLENNAN COS INCCOM571748102 — 4,914 shares $838,967
KOSMOS ENERGY LTDPUT500688956 PUT 330,300 shares $838,962
VANECK ETF TRUSTPUT92189F952 PUT 8,100 shares $838,026
REINSURANCE GROUP AMER INCPUT759351954 PUT 3,400 shares $837,216
GLOBALSTAR INCPUT378973957 PUT 10,100 shares $837,189
QUALYS INCCOM74758T303 — 4,464 shares $835,660
TOLL BROTHERS INCPUT889478953 PUT 6,200 shares $835,450
FIDELITY NATL INFORMATION SVCOM31620M106 — 25,393 shares $835,429
STARLING ONCOLOGY INCCALL68236X900 CALL 132,100 shares $834,872
HARLEY DAVIDSON INCCOM412822108 — 34,139 shares $834,015
VERMILION ENERGY INCCOM923725105 — 73,189 shares $833,622
STIFEL FINL CORPPUT860630952 PUT 11,900 shares $833,476
UROGEN PHARMA LTDPUTM96088955 PUT 20,500 shares $832,915
COMSTOCK INCCOM205750409 — 358,960 shares $832,787
INVESTMENT MANAGERS SER TR ICALL46152N904 CALL 40,300 shares $832,598
ISHARES TRPUT464287957 PUT 8,000 shares $832,320
HALOZYME THERAPEUTICS INCCOM40637H109 — 7,536 shares $831,974
SPDR SERIES TRUSTCOM78464A540 — 4,097 shares $831,650
ALKERMES PLCPUTG01767955 PUT 20,500 shares $830,660
ACADIA HEALTHCARE COMPANY INPUT00404A959 PUT 30,200 shares $830,500
SPDR SERIES TRUSTCALL78468R907 CALL 18,300 shares $830,271
WESTERN MIDSTREAM PARTNERS LPUT958669953 PUT 18,700 shares $829,719
TIDAL TRUST IIPUT88634T951 PUT 65,000 shares $828,100
VORNADO RLTY TRCALL929042909 CALL 24,400 shares $826,672
HALLADOR ENERGY COMPANYCALL40609P905 CALL 59,600 shares $826,652
YUM CHINA HLDGS INCPUT98850P959 PUT 20,100 shares $826,110
MEDLINE INCCALL58507V907 CALL 23,800 shares $825,860
XENON PHARMACEUTICALS INCPUT98420N955 PUT 22,200 shares $825,617
ALLIANCEBERNSTEIN HLDG L PCOM01881G106 — 23,618 shares $823,795
ISHARES TRPUT464287957 PUT 8,700 shares $822,498
VAIL RESORTS INCCOM91879Q109 — 5,987 shares $821,296
PROSHARES TR IICALL74347Y908 CALL 32,900 shares $820,197
STRIVE INCPUT862945950 PUT 8,200 shares $820,082
EDWARDS LIFESCIENCES CORPPUT28176E958 PUT 9,500 shares $820,040
TRAVELERS COMPANIES INCPUT89417E959 PUT 2,300 shares $819,973
LUXEXPERIENCE BVPUT55406W953 PUT 82,700 shares $819,557
GEVO INCCALL374396906 CALL 623,200 shares $819,507
FLUENCE ENERGY INCPUT34379V953 PUT 106,700 shares $819,456
AZZ INCCOM002474104 — 6,097 shares $819,375
ETF SER SOLUTIONSPUT26922A952 PUT 5,400 shares $818,748
GRANITESHARES ETF TRCOM38747R751 — 10,353 shares $818,715
WESTERN ALLIANCE BANCORPPUT957638959 PUT 10,900 shares $818,590
MINERALYS THERAPEUTICS INCCOM603170101 — 32,507 shares $816,900
ASSURANT INCCALL04621X908 CALL 3,100 shares $816,850
MSC INDL DIRECT INCPUT553530956 PUT 6,600 shares $816,552
KYIVSTAR GROUP LTDCALLG5331N901 CALL 65,900 shares $813,206
VISTA ENERGY S.A.B. DE C.V.COM92837L109 — 12,440 shares $812,953
TSAKOS ENERGY NAVIGATION LTDPUTG9108L953 PUT 17,200 shares $812,700
EXPEDITORS INTL WASH INCCALL302130909 CALL 4,400 shares $812,416
GREIF INCCOM397624107 — 10,197 shares $811,579
ROUNDHILL ETF TRUSTPUT77926X952 PUT 33,300 shares $811,188
TIDAL TRUST IICOM88636R479 — 28,761 shares $811,060
LIFETIME BRANDS INCCALL53222Q903 CALL 94,300 shares $810,980
ETFIS SER TR ICALL26923G902 CALL 40,900 shares $807,775
ISHARES TRCOM464287226 — 8,534 shares $806,804
HUNT J B TRANS SVCS INCCALL445658907 CALL 3,600 shares $806,580
CENTURY ALUM COPUT156431958 PUT 22,400 shares $805,951
SMUCKER J M COCOM832696405 — 6,766 shares $804,545
SHIFT4 PMTS INCCOM82452J109 — 22,243 shares $804,529