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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)
IHEARTMEDIA INCPUT45174J959 PUT 2,500 shares $5,250
GARRETT MOTION INCPUT366505955 PUT 200 shares $5,206
THEMES ETF TRCALL88340C903 CALL 100 shares $5,202
APTERA MOTORS CORPPUT03835W954 PUT 2,500 shares $5,200
SPORTSMANS WHSE HLDGS INCCALL84920Y906 CALL 4,600 shares $5,198
DIMENSIONAL ETF TRUSTCOM25434V609 — 78 shares $5,182
LUXFER HLDGS PLCCALLG5698W906 CALL 300 shares $5,181
ADVISOR MANAGED PORTFOLIOSCOM00777X439 — 100 shares $5,179
BOSTON OMAHA CORPCALL101044905 CALL 400 shares $5,172
INVESCO EXCH TRADED FD TR IICOM46138E594 — 310 shares $5,158
ADVISOR MANAGED PORTFOLIOSPUT00777X956 PUT 100 shares $5,154
ITURAN LOCATION AND CONTROLPUTM6158M954 PUT 100 shares $5,122
VICTORY PORTFOLIOS IIPUT92647X950 PUT 100 shares $5,119
GENCOR INDS INCPUT368678958 PUT 300 shares $5,115
USIO INCPUT917313958 PUT 1,900 shares $5,111
TIDAL TRUST ICALL886364906 CALL 100 shares $5,110
FIDELITY COVINGTON TRUSTCALL316092901 CALL 100 shares $5,105
SKINHEALTH SYSTEMS INCCALL88331L908 CALL 8,100 shares $5,103
SIGA TECHNOLOGIES INCCALL826917906 CALL 1,500 shares $5,100
FIRST TR EXCH TRD ALPHDX FDPUT33737J952 PUT 100 shares $5,099
TIPTREE INCCALL88822Q903 CALL 300 shares $5,097
ROCKET PHARMACEUTICALS INCCOM77313F106 — 1,938 shares $5,096
CLARUS CORP NEWCALL18270P909 CALL 1,500 shares $5,085
IHS HOLDING LIMITEDCOMG4701H109 — 608 shares $5,082
ISHARES TRCOM46434V860 — 100 shares $5,067
IMMERSION CORPCALL452521907 CALL 700 shares $5,061
JANUS DETROIT STR TRPUT47103U956 PUT 100 shares $5,047
J P MORGAN EXCHANGE TRADED FPUT46641Q955 PUT 100 shares $5,037
DESIGN THERAPEUTICS INCCALL25056L903 CALL 400 shares $5,028
SCHWAB STRATEGIC TRCALL808524908 CALL 200 shares $5,026
ROUNDHILL ETF TRUSTPUT77926X952 PUT 200 shares $5,024
ISHARES TRCOM46429B614 — 73 shares $5,022
VOX ROYALTY CORPCALL92919F903 CALL 1,000 shares $5,019
ETF SER SOLUTIONSPUT26922B955 PUT 200 shares $5,018
LISTED FDS TRCALL53656F907 CALL 100 shares $5,014
VANGUARD SCOTTSDALE FDSPUT92206C950 PUT 100 shares $5,014
PACIRA BIOSCIENCES INCPUT695127950 PUT 200 shares $5,010
OFG BANCORPPUT67103X952 PUT 100 shares $5,008
VANECK SOLANA TRCOM92200B100 — 317 shares $4,999
INVESCO EXCH TRADED FD TR IICALL46138E905 CALL 300 shares $4,992
WILLIS LEASE FIN CORPPUT970646955 PUT 100 shares $4,991
BITWISE HYPERLIQUID ETFPUT09175T956 PUT 100 shares $4,987
YATSEN HLDG LTDCOM985194208 — 1,793 shares $4,984
THEMES ETF TRCALL88340W908 CALL 400 shares $4,976
TIDAL TRUST IICALL88634T901 CALL 100 shares $4,952
SPRINKLR INCPUT85208T957 PUT 1,000 shares $4,950
PRUDENTIAL PLCCALL74435K904 CALL 200 shares $4,948
FULLER H B COCALL359694906 CALL 100 shares $4,947
DBX ETF TRCOM23306X886 — 55 shares $4,946
ISHARES TRCOM464287192 — 63 shares $4,946
EA SERIES TRUSTPUT02072L952 PUT 100 shares $4,930
VIANT TECHNOLOGY INCCALL92557A901 CALL 400 shares $4,924
SEANERGY MARITIME HLDGS CORPCALLY73760900 CALL 300 shares $4,923
TIDAL TRUST IICOM88636J154 — 217 shares $4,910
TIDAL TRUST IIPUT88636J956 PUT 200 shares $4,906
MASTERBRAND INCPUT57638P954 PUT 700 shares $4,900
LUCKY STRIKE ENTERTAINMENT CCOM10258P102 — 913 shares $4,893
WISDOMTREE TRCOM97717Y543 — 112 shares $4,893
BNY MELLON ETF TRUSTCALL09661T907 CALL 100 shares $4,886
DELCATH SYS INCCOM24661P807 — 306 shares $4,886
CAPITAL GROUP DIVIDEND VALUEPUT14020W956 PUT 100 shares $4,885
EXCHANGE TRADED CONCEPTS TRUCALL301505909 CALL 200 shares $4,874
NEXTDOOR HOLDINGS INCPUT65345M958 PUT 2,000 shares $4,860
MEREO BIOPHARMA GROUP PLCCOM589492107 — 12,070 shares $4,852
ROUNDHILL ETF TRUSTCOM77926X304 — 166 shares $4,848
NORTHRIM BANCORP INCPUT666762959 PUT 200 shares $4,846
BRIGHTSPIRE CAPITAL INCCOM10949T109 — 1,264 shares $4,841
DOMINARI HOLDINGS INCPUT008875954 PUT 2,200 shares $4,818
AH RLTY TR INCCOM04208T108 — 789 shares $4,812
CARPARTS COM INCPUT14427M956 PUT 600 shares $4,812
ROUNDHILL ETF TRUSTCOM77926X205 — 126 shares $4,811
ABM INDS INCCALL000957900 CALL 100 shares $4,810
SOLV ENERGY INCCALL78475V903 CALL 200 shares $4,804
MOTORCAR PTS AMER INCCOM620071100 — 457 shares $4,793
MESABI TRCOM590672101 — 244 shares $4,779
KRANESHARES TRUSTCOM500767850 — 223 shares $4,775
OIL STS INTL INCCALL678026905 CALL 600 shares $4,770
PROSHARES TRPUT74349Y957 PUT 300 shares $4,767
AMALGAMATED FINANCIAL CORPPUT022671951 PUT 100 shares $4,757
BETTERWARE DE MEXC S A P I DCOMP1666E105 — 286 shares $4,750
VILLAGE FARMS INTL INCCOM92707Y108 — 1,632 shares $4,749
TIDAL TRUST IICALL88636R903 CALL 300 shares $4,743
VANGUARD MUN BD FDSCALL922907906 CALL 100 shares $4,736
AMERISAFE INCCALL03071H900 CALL 200 shares $4,726
ONCE UPON A FARM PBCPUT68237F958 PUT 300 shares $4,725
GLOBAL X FDSPUT37954Y959 PUT 100 shares $4,716
JANUS LIVING INCCOM471024109 — 159 shares $4,711
CALEDONIA MNG CORPCALLG1757E903 CALL 200 shares $4,708
BYRNA TECHNOLOGIES INCCOM12448X201 — 1,440 shares $4,701
ASSEMBLY BIOSCIENCES INCCALL045396907 CALL 200 shares $4,698
VIVANI MEDICAL INCCOM92854B109 — 3,787 shares $4,695
RIMINI STR INC DELCALL76674Q907 CALL 1,100 shares $4,686
GLADSTONE INVT CORPPUT376546957 PUT 300 shares $4,680
TIDAL TRUST IICOM88636Y516 — 303 shares $4,680
PROSHARES TR IICOM74347W569 — 87 shares $4,680
TIDAL TRUST IICALL88636R903 CALL 300 shares $4,674
NRX PHARMACEUTICALS INCPUT629444959 PUT 1,600 shares $4,672
RESOURCES CONNECTION INCCOM76122Q105 — 1,241 shares $4,666
INSPERITY INCCALL45778Q907 CALL 100 shares $4,659
AMPLIFY ETF TRCALL032108908 CALL 100 shares $4,649