← 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)
BOX INCCOM10316T104 — 13,181 shares $441,299
VENTAS INCCOM92276F100 — 5,181 shares $440,488
VULCAN MATLS COPUT929160959 PUT 1,800 shares $440,334
CELLEBRITE DI LTDCOMM2197Q107 — 39,094 shares $440,198
HDFC BANK LTDCOM40415F101 — 19,694 shares $439,963
STONECO LTDPUTG85158956 PUT 47,100 shares $439,914
NNN REIT INCPUT637417956 PUT 10,700 shares $439,663
FRANKLIN TEMPLETON INCCOM354613101 — 13,686 shares $439,594
VISTANCE NETWORKS INCPUT20337X959 PUT 73,500 shares $439,530
MESOBLAST LTDPUT590717951 PUT 30,000 shares $439,500
CULLINAN THERAPEUTICS INCPUT230031956 PUT 28,600 shares $439,010
CARLISLE COS INCCOM142339100 — 1,361 shares $438,473
UNITED NAT FOODS INCCOM911163103 — 9,780 shares $438,046
SPDR SERIES TRUSTCOM78464A797 — 6,928 shares $437,988
TITAN AMER SACOMB9151N105 — 32,119 shares $437,781
EVERCORE INCCALL29977A905 CALL 1,700 shares $437,750
N-ABLE INCCOM62878D100 — 106,760 shares $437,715
CLEARPOINT NEURO INCPUT18507C953 PUT 35,800 shares $437,118
BARCLAYS PLCPUT06738E954 PUT 18,000 shares $436,860
VERISK ANALYTICS INCCALL92345Y906 CALL 2,600 shares $436,410
MILLICOM INTL CELLULAR S ACOML6388F110 — 5,007 shares $436,309
OUTDOOR HOLDING COCALL00175J907 CALL 193,900 shares $436,275
ORGANON & COCOM68622V106 — 31,776 shares $435,331
SIXTH STREET SPECIALTY LENDICOM83012A109 — 24,122 shares $434,678
EVOLV TECHNOLOGIES HLDNGS INCOM30049H102 — 93,433 shares $434,463
ETF OPPORTUNITIES TRUSTCOM26923N835 — 34,450 shares $434,414
DRIVEN BRANDS HLDGS INCCOM26210V102 — 36,767 shares $434,218
CACTUS INCCOM127203107 — 6,975 shares $433,984
SAIA INCPUT78709Y955 PUT 1,300 shares $433,862
WILLIS TOWERS WATSON PLC LTDCALLG96629903 CALL 1,500 shares $432,345
KRYSTAL BIOTECH INCPUT501147952 PUT 1,300 shares $432,328
MERCURY SYS INCCOM589378108 — 5,203 shares $431,849
SMITH & WESSON BRANDS INCPUT831754956 PUT 30,700 shares $431,642
DIREXION SHARES ETF TRUSTPUT25461A954 PUT 12,700 shares $431,482
KURA ONCOLOGY INCPUT50127T959 PUT 40,200 shares $430,542
INTERNATIONAL SEAWAYS INCCALLY41053902 CALL 3,900 shares $429,546
PETROLEO BRASILEIRO S ACOM71654V408 — 20,527 shares $428,398
FORWARD INDUSTRIES INCPUT349932953 PUT 54,900 shares $428,220
SILVERCORP METALS INCPUT82835P953 PUT 40,100 shares $427,867
TECK RESOURCES LTDCOM878742204 — 6,501 shares $427,700
CORPAY INCCALL219948906 CALL 1,100 shares $427,460
PROSHARES TR IICALL74347W902 CALL 6,700 shares $427,326
ISHARES TRPUT464288955 PUT 4,700 shares $426,948
FIDELITY SOLANA FDCOM31641G104 — 30,901 shares $426,742
INTER & CO INCCOMG4R20B107 — 79,771 shares $425,977
PERSHING SQUARE INCPUT71531U952 PUT 7,600 shares $425,144
BLOCK H & R INCCALL093671905 CALL 10,400 shares $424,840
NOVAGOLD RESOURCES INCCALL66987E906 CALL 65,300 shares $424,450
EAGLE NUCLEAR ENERGY CORPCALL269710909 CALL 66,700 shares $424,212
IDT CORPCOM448947507 — 5,291 shares $423,121
INSTEEL INDS INCCOM45774W108 — 14,522 shares $423,025
TIDAL TRUST IICALL88636J906 CALL 11,200 shares $423,024
XEROX HOLDINGS CORPPUT98421M956 PUT 140,300 shares $422,937
ISHARES TRCALL46435U901 CALL 5,400 shares $422,928
PHARVARIS N VCOMN69605108 — 13,332 shares $422,891
APPLIED AEROSPACE & DEFENSEPUT03815J957 PUT 35,100 shares $422,253
SUNCOKE ENERGY INCCOM86722A103 — 44,729 shares $421,794
AGCO CORPCOM001084102 — 3,690 shares $421,508
OMEGA HEALTHCARE INVS INCCALL681936900 CALL 9,100 shares $421,421
SCOTTS MIRACLE-GRO COCALL810186906 CALL 8,400 shares $420,924
POOL CORPPUT73278L955 PUT 2,600 shares $420,862
DAKOTA GOLD CORPCALL46655E900 CALL 69,100 shares $420,819
RICHTECH ROBOTICS INCPUT765504955 PUT 266,300 shares $420,754
DOLBY LABORATORIES INCCOM25659T107 — 7,158 shares $420,675
INVESTMENT MANAGERS SER TR ICALL46152A909 CALL 46,400 shares $419,455
YALLA GROUP LTDPUT98459U953 PUT 78,100 shares $419,397
AGIOS PHARMACEUTICALS INCPUT00847X954 PUT 12,600 shares $418,950
ROUNDHILL ETF TRUSTCALL77926X902 CALL 4,100 shares $418,897
LENNAR CORPCOM526057104 — 5,134 shares $418,883
DESIGNER BRANDS INCCOM250565108 — 69,227 shares $418,823
ALTIMMUNE INCCOM02155H200 — 146,416 shares $418,749
SIXTH STREET SPECIALTY LENDIPUT83012A959 PUT 23,200 shares $418,064
TOYO CO LTDCALLG8976D907 CALL 96,100 shares $418,035
DOUGLAS EMMETT INCPUT25960P959 PUT 43,600 shares $417,688
TIDAL TRUST IIPUT88636R953 PUT 6,000 shares $417,060
REGENCY CTRS CORPCALL758849903 CALL 5,800 shares $416,904
EMPERY DIGITAL INCCALL92864V908 CALL 138,300 shares $416,283
US FOODS HLDG CORPCALL912008909 CALL 4,500 shares $414,945
TIDAL TRUST ICALL886364906 CALL 14,900 shares $414,667
FLAGSTAR BANK NATIONAL ASSOCCOM649445400 — 35,511 shares $414,413
TEMA ETF TRUSTCOM87975E776 — 17,280 shares $414,028
DYNE THERAPEUTICS INCPUT26818M958 PUT 25,700 shares $414,027
BWX TECHNOLOGIES INCCOM05605H100 — 3,022 shares $414,014
FIGS INCCOM30260D103 — 29,840 shares $413,582
AMPLIFY ETF TRPUT032108958 PUT 3,400 shares $412,216
PATTERSON-UTI ENERGY INCPUT703481951 PUT 37,600 shares $410,592
GERON CORPPUT374163953 PUT 333,700 shares $410,451
CHEMOURS COCOM163851108 — 30,244 shares $410,411
ACADIAN ASSET MANAGEMENT INCCOM10948W103 — 4,472 shares $410,127
ABSCI CORPORATIONPUT00091E959 PUT 38,000 shares $409,260
LITHIA MTRS INCCALL536797903 CALL 1,400 shares $408,562
CVR PARTNERS LP/CVR NITROGENCALL126633905 CALL 3,300 shares $408,474
OCULAR THERAPEUTIX INCPUT67576A950 PUT 53,200 shares $408,044
KENVUE INCCOM49177J102 — 23,086 shares $407,698
BACKBLAZE INCCALL05637B905 CALL 29,100 shares $407,109
ETON PHARMACEUTICALS INCPUT29772L958 PUT 7,900 shares $406,771
HIMAX TECHNOLOGIES INCPUT43289P956 PUT 28,900 shares $406,623
RAYONIER ADVANCED MATLS INCCOM75508B104 — 51,003 shares $406,493
GENESCO INCPUT371532952 PUT 11,900 shares $406,266
ARDAGH METAL PACKAGING S ACALLL02235906 CALL 93,600 shares $406,224