← 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)
TANDEM DIABETES CARE INCPUT875372953 PUT 1,200 shares $19,572
ISHARES TRCOM464287671 — 101 shares $19,568
THEMES ETF TRCALL88340W908 CALL 9,200 shares $19,568
LOVESAC COPUT54738L959 PUT 1,300 shares $19,565
SEPTERNA INCCALL81734D904 CALL 500 shares $19,565
ISHARES INCCOM464286350 — 430 shares $19,491
OPKO HEALTH INCPUT68375N953 PUT 12,100 shares $19,481
INVESCO EXCH TRADED FD TR IICOM46138E362 — 404 shares $19,464
INVESCO EXCHANGE TRADED FD TCALL46137V906 CALL 200 shares $19,457
SPDR SERIES TRUSTPUT78464A958 PUT 100 shares $19,454
WISDOMTREE TRCALL97717X907 CALL 200 shares $19,448
TURNING PT BRANDS INCCOM90041L105 — 331 shares $19,429
INVESTMENT MANAGERS SER TR IPUT46092D956 PUT 1,000 shares $19,399
ISHARES TRPUT464287957 PUT 100 shares $19,375
CREDICORP LTDCOMG2519Y108 — 51 shares $19,373
BAUSCH PLUS LOMB CORPCOM071705107 — 1,139 shares $19,363
TIDAL TRUST IICALL88636R903 CALL 200 shares $19,354
CANARY LITECOIN ETFPUT137221957 PUT 1,200 shares $19,344
FIRST TR EXCHANGE-TRADED FDPUT33733E956 PUT 400 shares $19,308
ATEA PHARMACEUTICALS INCPUT04683R956 PUT 3,700 shares $19,277
NATIONAL CINEMEDIA INCCALL635309906 CALL 8,600 shares $19,264
RIGEL PHARMACEUTICALS INCCALL766559902 CALL 400 shares $19,260
THEMES ETF TRCOM882927627 — 143 shares $19,250
TIDAL TRUST IIPUT88634T951 PUT 2,000 shares $19,240
ETF OPPORTUNITIES TRUSTPUT26923Q951 PUT 8,500 shares $19,209
KAZIA THERAPEUTICS LTDCALL48669G903 CALL 2,000 shares $19,190
INSTALLED BLDG PRODS INCCALL45780R901 CALL 100 shares $19,188
INSTALLED BLDG PRODS INCPUT45780R951 PUT 100 shares $19,188
JOURNEY MED CORPCALL48115J909 CALL 2,800 shares $19,152
FORTRESS BIOTECH INCCOM34960Q307 — 8,946 shares $19,144
ETF OPPORTUNITIES TRUSTCOM26923N413 — 6,969 shares $19,095
SIMPLIFY EXCHANGE TRADED FUNPUT82889N959 PUT 1,000 shares $19,039
PULSE BIOSCIENCES INCCOM74587B101 — 381 shares $19,019
BARINGS BDC INCCALL06759L903 CALL 2,200 shares $18,964
PCB BANCORPCOM69320M109 — 692 shares $18,946
RBB FD INCCALL74933W901 CALL 400 shares $18,936
STRATA CRITICAL MEDICAL INCPUT092667954 PUT 3,700 shares $18,907
ASCENT SOLAR TECHNOLOGIES INCALL043635904 CALL 7,500 shares $18,900
TON STRATEGY COCALL92337U902 CALL 5,000 shares $18,900
PROSHARES TRCALL74347R902 CALL 500 shares $18,888
BLACKROCK ETF TRUSTPUT09290C953 PUT 400 shares $18,876
TIDAL TRUST IICALL88636J906 CALL 2,500 shares $18,875
DORCHESTER MINERALS L PCOM25820R105 — 673 shares $18,870
SIMPLIFY EXCHANGE TRADED FUNCOM82889N855 — 300 shares $18,867
EURONET WORLDWIDE INCPUT298736959 PUT 300 shares $18,861
KULICKE & SOFFA INDS INCPUT501242951 PUT 200 shares $18,850
AXIS CAP HLDGS LTDCALLG0692U909 CALL 200 shares $18,840
NEUMORA THERAPEUTICS INC.CALL640979900 CALL 31,600 shares $18,839
LITE STRATEGY INCCOM55279B301 — 14,270 shares $18,836
ACTINIUM PHARMACEUTICALS INCCALL00507W906 CALL 16,800 shares $18,816
NOAH HLDGS LTDCOM65487X102 — 2,378 shares $18,809
CUMBERLAND PHARMACEUTICALS IPUT230770959 PUT 2,400 shares $18,792
ASSEMBLY BIOSCIENCES INCPUT045396957 PUT 800 shares $18,791
PROSHARES TRCALL74347X900 CALL 700 shares $18,767
RENTOKIL INITIAL PLCCOM760125104 — 950 shares $18,762
VANGUARD CHARLOTTE FDSPUT92203J957 PUT 400 shares $18,748
ROUNDHILL ETF TRUSTCOM77926X684 — 673 shares $18,735
ROUNDHILL ETF TRUSTCOM77926X742 — 640 shares $18,721
WESTLAKE CORPORATIONPUT960413952 PUT 300 shares $18,693
ENTRAVISION COMMUNICATIONS CCOM29382R107 — 2,542 shares $18,683
ORGANIGRAM GLOBAL INCCOM68617J100 — 18,758 shares $18,682
USCF ETF TRCOM90290T809 — 597 shares $18,626
ARDENT HEALTH INCCALL03980N907 CALL 1,800 shares $18,612
FILANA THERAPEUTICS INCPUT14817C957 PUT 21,000 shares $18,606
4D MOLECULAR THERAPEUTICS INPUT35104E950 PUT 1,300 shares $18,603
DIREXION SHARES ETF TRUSTCOM25490K869 — 958 shares $18,594
AMPLIFY ETF TRCALL032108908 CALL 1,300 shares $18,590
CUSHMAN AND WAKEFIELD LTDCOMG2717C106 — 1,571 shares $18,553
ETF OPPORTUNITIES TRUSTCALL26923Y904 CALL 400 shares $18,524
ETF OPPORTUNITIES TRUSTPUT26923Y954 PUT 400 shares $18,524
TON STRATEGY COPUT92337U952 PUT 4,900 shares $18,522
GLOBAL PARTNERS LPPUT37946R959 PUT 400 shares $18,520
FATE THERAPEUTICS INCPUT31189P952 PUT 7,800 shares $18,486
ISHARES TRCALL464288905 CALL 100 shares $18,480
GRANITESHARES ETF TRCALL38747R904 CALL 700 shares $18,480
JANUS DETROIT STR TRCOM47103U845 — 366 shares $18,472
TIDAL TRUST IIPUT88636W956 PUT 2,700 shares $18,468
INVESTMENT MANAGERS SER TR ICOM46092D632 — 1,183 shares $18,454
GREEN DOT CORPPUT39304D952 PUT 1,500 shares $18,450
ENDAVA PLCPUT29260V955 PUT 10,300 shares $18,437
ALPHA PRO TECH LTDPUT020772959 PUT 3,600 shares $18,432
ISHARES U S ETF TRCALL46431W903 CALL 500 shares $18,430
ISHARES U S ETF TRPUT46431W953 PUT 500 shares $18,430
PYXIS ONCOLOGY INCCOM747324101 — 7,908 shares $18,425
CHIRON REAL ESTATE INCCOM37954A303 — 530 shares $18,422
DIEBOLD NIXDORF INCPUT253651952 PUT 300 shares $18,366
INVESCO DB MULTI-SECTOR COMMPUT46140H950 PUT 500 shares $18,355
ENERSYSPUT29275Y952 PUT 100 shares $18,353
SPROTT FDS TRCOM85208P501 — 419 shares $18,352
SPDR SERIES TRUSTCALL78464A908 CALL 300 shares $18,339
SARATOGA INVT CORPCALL80349A908 CALL 1,100 shares $18,326
SERITAGE GROWTH PPTYSCALL81752R900 CALL 11,300 shares $18,306
EAGLE MATLS INCCOM26969P108 — 107 shares $18,299
ANNOVIS BIO INCPUT03615A958 PUT 14,400 shares $18,288
VANGUARD WORLD FDCOM92204A603 — 57 shares $18,269
BECTON DICKINSON & COCOM075887109 — 102 shares $18,258
GOLDMAN SACHS ETF TRCOM38149W820 — 225 shares $18,229
DXP ENTERPRISES INCCALL233377907 CALL 100 shares $18,121
HORNBECK OFFSHORE SERVICES ICOM42330P107 — 2,355 shares $18,109
EXCHANGE TRADED CONCEPTS TRUPUT301505959 PUT 300 shares $18,069