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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)
COGNEX CORPCALL192422903 CALL 25,700 shares $1,558,705
URANIUM ENERGY CORPCOM916896103 — 164,778 shares $1,557,152
PAMPA ENERGIA SAPUT697660957 PUT 20,000 shares $1,555,400
INTUITIVE MACHINES INCCOM46125A100 — 108,689 shares $1,547,731
NEUROCRINE BIOSCIENCES INCPUT64125C959 PUT 10,900 shares $1,546,056
MPLX LPCOM55336V100 — 27,451 shares $1,546,040
FERGUSON ENTERPRISES INCCOM31488V107 — 6,942 shares $1,545,428
INTERNATIONAL FLAVORS&FRAGRACALL459506901 CALL 18,500 shares $1,544,380
DIREXION SHARES ETF TRUSTCOM25460E869 — 182,002 shares $1,543,376
RACKSPACE TECHNOLOGY INCCALL750102905 CALL 414,300 shares $1,543,267
VARONIS SYS INCPUT922280952 PUT 32,500 shares $1,542,125
APPLE HOSPITALITY REIT INCPUT03784Y950 PUT 95,300 shares $1,540,048
ONTO INNOVATION INCPUT683344955 PUT 5,000 shares $1,539,100
BECTON DICKINSON & COCALL075887909 CALL 8,700 shares $1,538,950
INFOSYS LTDCALL456788908 CALL 142,900 shares $1,537,604
SAIA INCCALL78709Y905 CALL 4,600 shares $1,535,204
PEABODY ENGR CORPCALL704551900 CALL 62,900 shares $1,534,131
KEYCORPPUT493267958 PUT 76,400 shares $1,533,348
ISHARES TRPUT464288955 PUT 7,400 shares $1,533,132
ACV AUCTIONS INCCOM00091G104 — 146,937 shares $1,532,552
ABERCROMBIE & FITCH COCOM002896207 — 11,369 shares $1,531,290
UNUSUAL MACHS INCPUT91532F952 PUT 62,500 shares $1,530,000
SYSCO CORPPUT871829957 PUT 19,600 shares $1,528,016
COOPER COS INCCALL216648901 CALL 27,000 shares $1,526,310
CURTISS WRIGHT CORPCALL231561901 CALL 2,800 shares $1,522,696
CATERPILLAR INCCOM149123101 — 1,878 shares $1,522,663
ERO COPPER CORPPUT296006959 PUT 41,500 shares $1,522,635
FUNDRISE INNOVATION FD LLCCALL360852907 CALL 51,400 shares $1,522,468
LINEAGE INCCALL53566V906 CALL 44,600 shares $1,521,752
EMBRAER S.A.PUT29082A957 PUT 20,200 shares $1,521,464
BLACKLINE INCCOM09239B109 — 57,319 shares $1,520,673
PHOTRONICS INCCOM719405102 — 49,389 shares $1,520,193
INVESTMENT MANAGERS SER TR ICALL46152A909 CALL 140,000 shares $1,517,600
TSS INC DELCALL87288V901 CALL 155,900 shares $1,516,907
MASTEC INCPUT576323959 PUT 7,100 shares $1,516,702
CELLEBRITE DI LTDCALLM2197Q907 CALL 134,500 shares $1,514,470
LIGHTPATH TECHNOLOGIES INCCALL532257905 CALL 146,700 shares $1,512,477
DLOCAL LTDPUTG29018951 PUT 109,900 shares $1,512,224
GE HEALTHCARE TECHNOLOGIES IPUT36266G957 PUT 23,100 shares $1,510,047
INVESTMENT MANAGERS SER TR IPUT46152A959 PUT 164,600 shares $1,509,382
D-WAVE QUANTUM INCCOM26740W109 — 91,020 shares $1,508,201
QIAGEN NVCOMN72482156 — 34,462 shares $1,508,057
DAVITA INCPUT23918K958 PUT 8,600 shares $1,504,312
PROSHARES TRCALL74347B909 CALL 35,400 shares $1,504,146
SABLE OFFSHORE CORPPUT78574H954 PUT 434,400 shares $1,503,024
MARSH & MCLENNAN COS INCCALL571748902 CALL 8,800 shares $1,502,424
WESTERN ALLIANCE BANCORPCALL957638909 CALL 20,000 shares $1,502,000
MATTEL INCCALL577081902 CALL 118,600 shares $1,501,476
INVESCO DB US DLR INDEX TRCALL46141D903 CALL 83,900 shares $1,500,971
XPENG INCCOM98422D105 — 156,930 shares $1,500,250
BLUE OWL CAPITAL CORPORATIONPUT69121K954 PUT 143,000 shares $1,500,070
GIGACLOUD TECHNOLOGY INCCALLG38644903 CALL 29,000 shares $1,498,720
CANADIAN SOLAR INCPUT136635959 PUT 130,000 shares $1,497,600
ERASCA INCPUT29479A958 PUT 102,100 shares $1,496,786
SOLVENTUM CORPCOM83444M101 — 16,942 shares $1,493,437
SOUTHSTATE BK CORPCALL84472E902 CALL 15,000 shares $1,493,400
OTIS WORLDWIDE CORPCALL68902V907 CALL 23,100 shares $1,485,792
ALKAMI TECHNOLOGY INCPUT01644J958 PUT 108,300 shares $1,482,627
GALLAGHER ARTHUR J & COCOM363576109 — 6,497 shares $1,482,030
DRAGANFLY INC.CALL26142Q904 CALL 243,500 shares $1,480,480
PROSHARES TR IIPUT74347Y958 PUT 85,700 shares $1,480,039
SWEETGREEN INCPUT87043Q958 PUT 166,700 shares $1,478,629
PRICE T ROWE GROUP INCPUT74144T958 PUT 14,200 shares $1,477,510
SMURFIT WESTROCK PLCCALLG8267P908 CALL 33,500 shares $1,477,350
KNIGHT-SWIFT TRANSN HLDGS INPUT499049954 PUT 23,200 shares $1,475,288
MOLINA HEALTHCARE INCPUT60855R950 PUT 7,800 shares $1,474,980
AMCOR PLCCOMG0250X149 — 35,184 shares $1,472,802
C3 AI INCCOM12468P104 — 133,610 shares $1,468,373
PAPA JOHNS INTL INCPUT698813952 PUT 74,500 shares $1,468,022
DIREXION SHARES ETF TRUSTCALL25461A904 CALL 26,100 shares $1,467,602
ORMAT TECHNOLOGIES INCCOM686688102 — 16,029 shares $1,466,493
NAVIOS MARITIME PARTNERS LPCOMY62267409 — 16,305 shares $1,465,982
SUPER GROUP SGHC LIMITEDCOMG8588X103 — 128,990 shares $1,464,036
TORM PLCPUTG89479952 PUT 38,400 shares $1,461,120
ZIONS BANCORPORATION NATL ASCALL989701907 CALL 23,300 shares $1,459,745
ISHARES INCCALL464286901 CALL 25,000 shares $1,459,500
MADISON SQUARE GRDN SPRT CORPUT55825T953 PUT 3,600 shares $1,458,756
HARLEY DAVIDSON INCCALL412822908 CALL 59,700 shares $1,458,471
GRAYSCALE ETHEREUM STAKINGPUT38964R953 PUT 57,200 shares $1,458,028
MEDLINE INCPUT58507V957 PUT 42,000 shares $1,457,400
WERIDE INCCALL950915908 CALL 274,400 shares $1,457,064
IRON MTN INC DELCOM46284V101 — 13,127 shares $1,456,440
BIOCRYST PHARMACEUTICALS INCCALL09058V903 CALL 174,300 shares $1,451,919
NATIONAL ENERGY SERVICES REUCALLG6375R907 CALL 56,900 shares $1,449,243
SUMITOMO MITSUI FIN GRP INCPUT86562M959 PUT 55,900 shares $1,448,369
COMSTOCK RES INCPUT205768952 PUT 117,300 shares $1,445,136
INVESTMENT MANAGERS SER TR ICALL46152N904 CALL 135,600 shares $1,444,140
ZILLOW GROUP INCPUT98954M950 PUT 53,200 shares $1,443,316
BANCO BRADESCO S ACALL059460903 CALL 409,500 shares $1,441,440
DIREXION SHARES ETF TRUSTCALL25461A904 CALL 46,900 shares $1,436,312
PROSHARES TR IICOM74347Y656 — 72,262 shares $1,434,400
HUNT J B TRANS SVCS INCPUT445658957 PUT 6,400 shares $1,433,920
OLIN CORPCALL680665905 CALL 92,300 shares $1,430,650
TENCENT MUSIC ENTMT GROUPPUT88034P959 PUT 180,200 shares $1,428,986
UIPATH INCCOM90364P105 — 111,288 shares $1,428,937
BRC GROUP HOLDINGS INCPUT05580M958 PUT 292,400 shares $1,428,374
ICON PUB LTD COCALLG4705A900 CALL 8,400 shares $1,427,916
REPLIGEN CORPCOM759916109 — 7,427 shares $1,427,692
ISHARES TRCOM464288588 — 15,928 shares $1,427,467
KRATOS DEFENSE & SEC SOLUTIOPUT50077B957 PUT 33,400 shares $1,425,846