← 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)
BREAD FINANCIAL HOLDINGS INCCOM018581108 — 285 shares $27,858
ANAPTYSBIO INCCOM032724106 — 554 shares $27,844
DYADIC INTL INC DELCALL26745T901 CALL 62,600 shares $27,831
TELEFONICA BRASIL SACOM87936R205 — 2,428 shares $27,800
THEMES ETF TRPUT88340W958 PUT 2,100 shares $27,762
BROADSTONE NET LEASE INCPUT11135E953 PUT 1,500 shares $27,750
NEW ORIENTAL ED & TECHNOLOGYCALL647581906 CALL 500 shares $27,745
CONMED CORPCALL207410901 CALL 600 shares $27,738
CURTISS WRIGHT CORPCOM231561101 — 51 shares $27,734
DIREXION SHARES ETF TRUSTPUT25461A954 PUT 1,100 shares $27,720
BRADY CORPCOM104674106 — 332 shares $27,718
USA TODAY CO INCCALL36472T909 CALL 4,400 shares $27,676
THEMES ETF TRCALL88340C903 CALL 13,500 shares $27,674
BGC GROUP INCPUT088929954 PUT 2,400 shares $27,672
CERENCE INCCOM156727109 — 3,533 shares $27,663
WISDOMTREE TRPUT97717W957 PUT 500 shares $27,655
ZEDGE INCPUT98923T954 PUT 9,600 shares $27,648
CULLINAN THERAPEUTICS INCCALL230031906 CALL 1,800 shares $27,630
SUMMIT MIDSTREAM CORPORATIONCOM86614G101 — 914 shares $27,630
DOMINARI HOLDINGS INCCALL008875904 CALL 12,600 shares $27,594
ISHARES INCCOM46434G780 — 829 shares $27,572
MILLERKNOLL INCPUT600544950 PUT 1,400 shares $27,524
PRESTIGE CONSMR HEALTHCARE IPUT74112D951 PUT 600 shares $27,522
INVESCO CURRENCYSHARES AUSTRPUT46090N953 PUT 400 shares $27,520
GENIUS SPORTS LIMITEDPUTG3934V959 PUT 4,800 shares $27,504
TELEFONICA BRASIL SACALL87936R905 CALL 2,400 shares $27,480
DIVERSIFIED HEALTHCARE TRCALL25525P907 CALL 3,500 shares $27,475
CANDEL THERAPEUTICS INCCOM137404109 — 2,631 shares $27,467
AMPLIFY ETF TRCOM032108482 — 1,050 shares $27,438
ESSENTIAL UTILS INCCALL29670G902 CALL 700 shares $27,433
SUZANO S APUT86959K955 PUT 3,200 shares $27,424
FIRST TR EXCHANGE TRADED FDPUT33738R956 PUT 1,300 shares $27,405
INVESTMENT MANAGERS SER TR IPUT46152A959 PUT 1,800 shares $27,396
BARCLAYS BANK PLCPUT06748M956 PUT 600 shares $27,354
ENVIRI CORPPUT29390K952 PUT 1,400 shares $27,342
ARVINAS INCCOM04335A105 — 3,534 shares $27,335
METALLA RTY & STREAMING LTDPUT59124U955 PUT 2,900 shares $27,318
UNITED STS 12 MONTH NAT GASCALL91288X909 CALL 4,800 shares $27,311
MOTORCAR PTS AMER INCPUT620071950 PUT 2,600 shares $27,274
SYNTEC OPTICS HLDGS INCPUT87169M955 PUT 3,300 shares $27,225
INVESCO EXCHANGE TRADED FD TCALL46137V906 CALL 500 shares $27,214
ALTI GLOBAL INCPUT02157E956 PUT 9,100 shares $27,209
TEMA ETF TRUSTCALL87975E903 CALL 700 shares $27,202
THEMES ETF TRPUT88340C953 PUT 4,900 shares $27,195
SPROTT FDS TRCOM85208P808 — 1,346 shares $27,162
INVESCO EXCHANGE TRADED FD TCALL46137V906 CALL 400 shares $27,132
FIDELITY COVINGTON TRUSTPUT316092951 PUT 800 shares $27,120
PILGRIMS PRIDE CORPPUT72147K958 PUT 1,000 shares $27,010
TIDAL TRUST IICOM88636V728 — 1,990 shares $27,004
ALPHA COGNITION INCPUT02074J951 PUT 3,000 shares $27,000
DBX ETF TRCALL23306X906 CALL 300 shares $26,979
KRANESHARES TRUSTCALL500767906 CALL 800 shares $26,960
TIDAL TRUST IICALL88634T901 CALL 2,800 shares $26,936
THEMES ETF TRCALL882927904 CALL 200 shares $26,923
BEAM GLOBALCALL07373B909 CALL 23,800 shares $26,894
GRID DYNAMICS HLDGS INCCALL39813G909 CALL 3,400 shares $26,792
GRANITESHARES ETF TRCOM38747T583 — 735 shares $26,776
FIRST ADVANTAGE CORP NEWCALL31846B908 CALL 1,500 shares $26,700
SHARKNINJA INCCOMG8068L108 — 148 shares $26,657
ISHARES TRPUT464289955 PUT 300 shares $26,619
ISHARES TRPUT46436E957 PUT 500 shares $26,610
RICHARDSON ELECTRS LTDCALL763165907 CALL 1,500 shares $26,595
BRAZIL POTASH CORPPUT10586A958 PUT 12,000 shares $26,520
NETSTREIT CORPCALL64119V903 CALL 1,500 shares $26,520
ISHARES TRPUT464287957 PUT 100 shares $26,489
SCHWAB STRATEGIC TRCOM808524672 — 842 shares $26,438
VANGUARD WORLD FDCOM92204A405 — 203 shares $26,408
ISHARES TRCALL464288905 CALL 200 shares $26,400
ASSURANT INCPUT04621X958 PUT 100 shares $26,350
INNVENTURE INCCOM45784M108 — 45,967 shares $26,343
FIRST BANCORP CORPORATIONCALL318672906 CALL 1,000 shares $26,339
FIGS INCPUT30260D953 PUT 1,900 shares $26,333
SI BONE INCCALL825704909 CALL 1,400 shares $26,320
ANDERSONS INCCALL034164903 CALL 400 shares $26,280
NGL ENERGY PARTNERS LPCOM62913M107 — 1,776 shares $26,178
MINERALS TECHNOLOGIES INCCALL603158906 CALL 400 shares $26,160
INVESTMENT MANAGERS SER TR ICALL46092D906 CALL 3,800 shares $26,144
DELUXE CORP MEDIUM TERM NTSCOM248019101 — 1,138 shares $26,139
DONALDSON INCPUT257651959 PUT 300 shares $26,112
VANGUARD BD INDEX FDSCOM921937793 — 416 shares $26,095
PLEXUS CORPPUT729132950 PUT 100 shares $26,095
INVESTMENT MANAGERS SER TR IPUT46092D956 PUT 3,800 shares $26,068
ATMUS FILTRATION TECHNOLOGIECALL04956D907 CALL 600 shares $26,052
VANECK ETF TRUSTCALL92189H900 CALL 600 shares $26,046
BRIGHTSTAR LOTTERY PLCCALLG4863A908 CALL 2,600 shares $25,974
ARS PHARMACEUTICALS INCCOM82835W108 — 6,015 shares $25,924
PHIBRO ANIMAL HEALTH CORPCOM71742Q106 — 725 shares $25,911
LOANDEPOT INCCALL53946R906 CALL 43,800 shares $25,885
SPDR SERIES TRUSTPUT78464A958 PUT 1,100 shares $25,816
DAQO NEW ENERGY CORPCOM23703Q203 — 2,257 shares $25,797
NEWS CORP NEWCALL65249B908 CALL 900 shares $25,784
PROTARA THERAPEUTICS INCCOM74365U107 — 8,450 shares $25,772
ELLINGTON FINANCIAL INCCOM28852N109 — 2,168 shares $25,647
EGAIN CORPPUT28225C956 PUT 4,400 shares $25,586
GLADSTONE LD CORPPUT376549951 PUT 2,700 shares $25,542
OPTIMIZERX CORPCOM68401U204 — 3,058 shares $25,534
SCIENCE APPLICATIONS INTL COCALL808625907 CALL 200 shares $25,512
ISHARES TRPUT46435G952 PUT 1,400 shares $25,494
LIBERTY LATIN AMERICA LTDCALLG9001E908 CALL 3,100 shares $25,482
ROUNDHILL ETF TRUSTCALL77926X902 CALL 5,200 shares $25,480