← 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)
INVESTMENT MANAGERS SER TR ICALL46144X907 CALL 5,400 shares $297,348
ALTA EQUIPMENT GROUP INCCOM02128L106 — 48,873 shares $297,147
IMMUNOME INCCALL45257U908 CALL 13,800 shares $296,838
ADVANCED DRAIN SYS INC DELCOM00790R104 — 2,340 shares $296,501
SIMPLIFY EXCHANGE TRADED FUNCALL82889N909 CALL 18,100 shares $296,297
KANZHUN LIMITEDPUT48553T956 PUT 20,000 shares $296,000
SIDUS SPACE INCPUT826165951 PUT 163,200 shares $295,392
REZOLUTE INCPUT76200L959 PUT 71,300 shares $295,182
GEMINI SPACE STA INCCALL36866J905 CALL 57,200 shares $295,152
STRATEGIC ED INCPUT86272C953 PUT 3,800 shares $295,146
MARKETAXESS HLDGS INCCALL57060D908 CALL 1,800 shares $295,056
CHORD ENERGY CORPORATIONCALL674215907 CALL 2,200 shares $294,954
ALLISON TRANSMISSION HLDGS ICALL01973R901 CALL 2,600 shares $294,476
MID-AMER APT CMNTYS INCCALL59522J903 CALL 2,500 shares $294,350
INVESTMENT MANAGERS SER TR ICOM46152N827 — 30,011 shares $294,107
COURSERA INCPUT22266M954 PUT 59,200 shares $293,632
ROUNDHILL ETF TRUSTCALL77926X902 CALL 10,900 shares $293,210
CEMEX SAB DE CVCALL151290909 CALL 30,800 shares $292,908
VS TRUSTCOM92891H705 — 7,944 shares $292,815
PLEXUS CORPCOM729132100 — 1,122 shares $292,785
CONTANGO SILVER & GOLD INCPUT21077F950 PUT 18,300 shares $292,544
OPTION CARE HEALTH INCPUT68404L951 PUT 13,000 shares $292,370
ARCOSA INCPUT039653950 PUT 2,000 shares $292,300
COCA-COLA FEMSA SAB DE CVPUT191241958 PUT 2,700 shares $291,708
ALCON AGCALLH01301908 CALL 4,500 shares $291,375
WABASH NATL CORPCOM929566107 — 23,614 shares $291,160
GRAN TIERRA ENERGY INCCALL38500T900 CALL 29,500 shares $290,870
VANGUARD SCOTTSDALE FDSCOM92206C813 — 4,244 shares $290,714
MACERICH COCALL554382901 CALL 13,000 shares $290,680
NEOGEN CORPCALL640491906 CALL 22,700 shares $290,560
ETF OPPORTUNITIES TRUSTCALL26923Q901 CALL 14,000 shares $290,500
BARCLAYS BANK PLCCOM06748M196 — 16,494 shares $290,459
ACADIA PHARMACEUTICALS INCPUT004225958 PUT 14,400 shares $290,159
EASTERLY GOVT PPTYS INCCALL27616P901 CALL 12,500 shares $290,000
TETRA TECH INC NEWCALL88162G903 CALL 8,800 shares $289,960
ISHARES INCPUT464286951 PUT 4,900 shares $289,835
TIDAL TRUST IPUT886364956 PUT 10,400 shares $289,432
FULL TRUCK ALLIANCE CO LTDCOM35969L108 — 34,976 shares $289,251
GLOBAL E ONLINE LTDCOMM5216V106 — 7,271 shares $288,876
MURPHY OIL CORPPUT626717952 PUT 7,800 shares $288,756
JD.COM INCCOM47215P106 — 10,850 shares $288,610
STRUCTURE THERAPEUTICS INCPUT86366E956 PUT 9,200 shares $287,684
WEYERHAEUSER COPUT962166954 PUT 15,100 shares $287,655
HONDA MOTOR CO LTDCALL438128908 CALL 9,100 shares $287,560
TIDAL TRUST IIPUT88636R953 PUT 7,900 shares $287,481
TEUCRIUM COMMODITY TRPUT88166A950 PUT 11,700 shares $287,469
DIREXION SHARES ETF TRUSTCALL25460E909 CALL 6,100 shares $287,249
RYMAN HOSPITALITY PPTYS INCCALL78377T907 CALL 2,400 shares $286,872
PENNANTPARK FLOATING RATE CACALL70806A906 CALL 41,500 shares $286,765
HAGERTY INCCALL405166909 CALL 21,300 shares $286,698
GLOBAL X FDSPUT37954Y959 PUT 6,900 shares $286,488
BETA TECHNOLOGIES INCCOM086921103 — 12,962 shares $286,460
ISHARES TRCALL464287907 CALL 800 shares $285,520
PROGRESSIVE CORPCOM743315103 — 1,375 shares $285,051
COMMVAULT SYS INCCALL204166902 CALL 1,900 shares $284,847
LCI INDSCALL50189K903 CALL 3,400 shares $284,478
INNOVATIVE INDL PPTYS INCPUT45781V951 PUT 5,400 shares $284,472
VANGUARD INTL EQUITY INDEX FPUT922042954 PUT 1,800 shares $284,130
LENNOX INTL INCPUT526107957 PUT 800 shares $284,016
SOUND GROUP INCCALL53933L903 CALL 25,300 shares $283,359
VANGUARD TAX-MANAGED FDSCOM921943858 — 4,011 shares $283,216
LINCOLN EDL SVCS CORPCOM533535100 — 12,948 shares $283,172
SPROTT FDS TRCALL85208P901 CALL 5,200 shares $283,088
GLADSTONE LD CORPCALL376549901 CALL 29,900 shares $282,854
EA SERIES TRUSTCOM02072L565 — 2,388 shares $282,715
PERION NETWORK LTDCALLM78673904 CALL 32,500 shares $282,424
RALLIANT CORPCOM750940108 — 4,082 shares $282,351
INTREPID POTASH INCCALL46121Y901 CALL 8,800 shares $282,304
PARK AEROSPACE CORPCOM70014A104 — 9,497 shares $281,965
TEXTRON INCCALL883203901 CALL 3,700 shares $281,940
PROTHENA CORP PLCCALLG72800908 CALL 33,600 shares $281,568
EMCOR GROUP INCCOM29084Q100 — 373 shares $281,424
TARGA RES CORPCOM87612G101 — 1,038 shares $280,581
AIR PRODUCTS AND CHEMICALS ICOM009158106 — 1,008 shares $280,455
ETFIS SER TR IPUT26923G952 PUT 14,200 shares $280,450
VALVOLINE INCPUT92047W951 PUT 9,300 shares $280,302
ONE STOP SYS INCCALL68247W909 CALL 32,100 shares $280,233
GRUPO SUPERVIELLE S.A.CALL40054A908 CALL 39,300 shares $279,423
BBB FOODS INCPUTG0896C953 PUT 5,300 shares $278,992
UNIVERSAL HLTH SVCS INCPUT913903950 PUT 1,600 shares $278,816
DENISON MINES CORPPUT248356957 PUT 107,600 shares $278,684
BROADWIND INCCOM11161T207 — 66,619 shares $278,467
SPROUT SOCIAL INCCALL85209W909 CALL 28,500 shares $278,445
SCHWAB STRATEGIC TRCALL808524908 CALL 9,500 shares $278,444
DAVE INCCOM23834J201 — 866 shares $278,427
TSS INC DELPUT87288V951 PUT 28,600 shares $278,278
OPKO HEALTH INCCALL68375N903 CALL 172,700 shares $278,047
ETON PHARMACEUTICALS INCCALL29772L908 CALL 5,400 shares $278,046
VANECK ETF TRUSTCALL92189F902 CALL 33,000 shares $277,530
CORPORACION AMER ARPTS S APUTL1995B957 PUT 10,900 shares $277,296
FEDERAL SIGNAL CORPCALL313855908 CALL 2,500 shares $276,975
NISOURCE INCPUT65473P955 PUT 7,100 shares $276,900
CYTOKINETICS INCPUT23282W955 PUT 4,200 shares $276,822
ARDELYX INCCOM039697107 — 80,706 shares $276,014
FUNDRISE INNOVATION FD LLCCOM360852107 — 9,307 shares $275,673
CMS ENERGY CORPCOM125896100 — 4,367 shares $275,470
CVR ENERGY INCCALL12662P908 CALL 5,400 shares $275,346
PROSHARES TRCOM74347B235 — 12,348 shares $274,989
JONES LANG LASALLE INCCALL48020Q907 CALL 900 shares $274,968
SPDR SERIES TRUSTPUT78464A958 PUT 4,700 shares $274,950