← 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)
ISHARES TRCALL464287907 CALL 6,300 shares $4,824,855
J P MORGAN EXCHANGE TRADED FPUT46641Q955 PUT 85,600 shares $4,812,432
APPLIED DIGITAL CORPCOM038169207 — 197,451 shares $4,811,880
RHCALL74967X903 CALL 39,500 shares $4,809,125
OPENDOOR TECHNOLOGIES INCCALL683712903 CALL 3,307,700 shares $4,806,667
ABERCROMBIE & FITCH COCALL002896907 CALL 35,600 shares $4,794,964
PAN AMERN SILVER CORPCOM697900108 — 105,148 shares $4,785,285
GENMAB A/SCALL372303906 CALL 133,900 shares $4,776,882
REDWIRE CORPORATIONPUT75776W953 PUT 457,500 shares $4,776,300
KINROSS GOLD CORPPUT496902954 PUT 198,200 shares $4,772,656
SOLAREDGE TECHNOLOGIES INCCALL83417M904 CALL 149,700 shares $4,770,939
BANK OF NY MELLON CORPCOM064058100 — 32,947 shares $4,765,124
LI AUTO INCCALL50202M902 CALL 419,100 shares $4,760,976
CANADIAN PACIFIC KANSAS CITYCALL13646K908 CALL 55,900 shares $4,757,090
ENDEAVOUR SILVER CORPCALL29258Y903 CALL 553,900 shares $4,752,462
BIGBEAR AI HLDGS INCCALL08975B909 CALL 1,792,300 shares $4,749,595
CASEYS GEN STORES INCPUT147528953 PUT 7,800 shares $4,745,988
MAXLINEAR INCCALL57776J900 CALL 52,500 shares $4,741,275
HYPERLIQUID STRATEGIES INCCOM44916Y106 — 386,218 shares $4,738,894
EHANG HLDGS LTDCALL26853E902 CALL 1,120,700 shares $4,729,354
BANDWIDTH INCCALL05988J903 CALL 77,800 shares $4,723,238
THOMSON REUTERS CORPPUT884903951 PUT 48,400 shares $4,710,772
LEMONADE INCPUT52567D957 PUT 104,200 shares $4,703,588
ARGENX SEPUT04016X951 PUT 4,900 shares $4,698,659
ERASCA INCCALL29479A908 CALL 320,300 shares $4,695,598
FIVE9 INCCALL338307901 CALL 137,800 shares $4,686,578
UNITED STS BRENT OIL FD LPPUT91167Q950 PUT 77,900 shares $4,681,011
PROSHARES TRCALL74347R902 CALL 48,900 shares $4,677,285
SYNCHRONY FINANCIALPUT87165B953 PUT 65,900 shares $4,676,923
SPROTT FDS TRCALL85208P901 CALL 98,400 shares $4,670,064
ELDORADO GOLD CORP NEWCALL284902909 CALL 121,300 shares $4,668,837
MAGNITE INCCALL55955D900 CALL 184,600 shares $4,662,996
WIX COM LTDPUTM98068955 PUT 64,600 shares $4,659,598
POWELL INDS INCCALL739128906 CALL 25,200 shares $4,648,644
DANAOS CORPORATIONCALLY1968P901 CALL 30,000 shares $4,629,300
HUBSPOT INCPUT443573950 PUT 22,500 shares $4,612,050
ALAMOS GOLD INCPUT011532958 PUT 142,300 shares $4,609,097
ARCELORMITTAL SA LUXEMBOURGCALL03938L903 CALL 68,500 shares $4,571,690
FLAGSTAR BANK NATIONAL ASSOCPUT649445950 PUT 391,700 shares $4,571,139
DAVE INCPUT23834J951 PUT 14,200 shares $4,565,442
TALEN ENERGY CORPPUT87422Q959 PUT 14,600 shares $4,565,274
AVIS BUDGET GROUP INCPUT053774955 PUT 42,600 shares $4,544,142
D R HORTON INCCALL23331A909 CALL 33,200 shares $4,536,780
SWEETGREEN INCCALL87043Q908 CALL 511,100 shares $4,533,457
AMC ENTMT HLDGS INCPUT00165C952 PUT 1,509,600 shares $4,528,800
INVESTMENT MANAGERS SER TR IPUT46152N954 PUT 199,900 shares $4,519,739
SIBANYE STILLWATER LTDPUT82575P957 PUT 442,500 shares $4,517,925
PLUG PWR INCCALL72919P902 CALL 2,326,100 shares $4,512,634
HONEYWELL AEROSPACE INCPUT43849R955 PUT 29,100 shares $4,509,627
ISHARES TRCALL464287907 CALL 36,000 shares $4,509,360
ISHARES TRCALL464287907 CALL 11,800 shares $4,508,544
ARES MANAGEMENT CORPORATIONCALL03990B901 CALL 38,800 shares $4,507,396
FLUTTER ENTMT PLCPUTG3643J958 PUT 60,300 shares $4,494,762
MERCADOLIBRECOM58733R102 — 2,595 shares $4,485,535
THE CAMPBELLS COMPANYPUT134429959 PUT 225,600 shares $4,473,648
WENDYS COCALL95058W900 CALL 699,700 shares $4,464,086
IOVANCE BIOTHERAPEUTICS INCCOM462260100 — 300,685 shares $4,456,151
SOLARIS ENERGY INFRAS INCCALL83418M903 CALL 62,600 shares $4,455,868
TIDAL TRUST IICALL88636W906 CALL 243,700 shares $4,454,836
PROGRESSIVE CORPPUT743315953 PUT 21,400 shares $4,436,434
FRANCO NEV CORPCALL351858905 CALL 18,600 shares $4,428,846
STAR BULK CARRIERS CORP.CALLY8162K904 CALL 150,800 shares $4,427,488
VALARIS LTDCALLG9460G901 CALL 56,100 shares $4,404,972
AMERICAN TOWER CORPCALL03027X900 CALL 26,900 shares $4,403,261
ANGLOGOLD ASHANTI PLCPUTG0378L950 PUT 46,800 shares $4,396,860
INNODATA INCPUT457642955 PUT 66,800 shares $4,392,768
TARGA RES CORPCALL87612G901 CALL 16,200 shares $4,379,022
DHT HOLDINGS INCPUTY2065G951 PUT 193,500 shares $4,367,295
BUILDERS FIRSTSOURCE INCCALL12008R907 CALL 76,400 shares $4,355,564
SUNRUN INCCALL86771W905 CALL 559,700 shares $4,348,869
COSTAR GROUP INCCALL22160N909 CALL 158,400 shares $4,340,160
BORGWARNER INCCALL099724906 CALL 72,100 shares $4,333,931
REALTY INCOME CORPCALL756109904 CALL 79,800 shares $4,333,140
CENOVUS ENERGY INCPUT15135U959 PUT 139,100 shares $4,323,228
ERO COPPER CORPCALL296006909 CALL 117,300 shares $4,303,737
KB HOMECALL48666K909 CALL 92,500 shares $4,298,475
GRAB HOLDINGS LIMITEDPUTG4124C959 PUT 1,382,000 shares $4,298,020
SELECT SECTOR SPDR TRCALL81369Y906 CALL 104,900 shares $4,291,459
DEXCOM INCCALL252131907 CALL 49,700 shares $4,288,613
MEDTRONIC PLCPUTG5960L953 PUT 49,700 shares $4,288,613
GUARDANT HEALTH INCCALL40131M909 CALL 24,000 shares $4,280,640
ALLY FINL INCCALL02005N900 CALL 113,700 shares $4,277,394
FIRST MAJESTIC SILVER CORPCOM32076V103 — 241,766 shares $4,276,840
THE CAMPBELLS COMPANYCALL134429909 CALL 215,000 shares $4,263,450
BRIGHTHOUSE FINL INCCALL10922N903 CALL 85,400 shares $4,261,460
ABERCROMBIE & FITCH COPUT002896957 PUT 31,600 shares $4,256,204
CDW CORPPUT12514G958 PUT 33,200 shares $4,254,912
DIREXION SHARES ETF TRUSTPUT25461A954 PUT 115,500 shares $4,252,710
JEFFERIES FINANCIAL GROUP INPUT47233W959 PUT 92,600 shares $4,234,598
METTLER TOLEDO INTERNATIONALPUT592688955 PUT 2,800 shares $4,230,660
TRANSMEDICS GROUP INCCALL89377M909 CALL 50,500 shares $4,214,225
SENTINELONE INCCALL81730H909 CALL 177,000 shares $4,205,520
HILTON WORLDWIDE HLDGS INCPUT43300A953 PUT 13,200 shares $4,199,184
GSK PLCCALL37733W904 CALL 87,100 shares $4,195,607
URANIUM ENERGY CORPPUT916896953 PUT 443,700 shares $4,192,965
TRANSOCEAN LTDPUTH8817H950 PUT 799,800 shares $4,190,952
HOWMET AEROSPACE INCPUT443201958 PUT 18,500 shares $4,184,330
SUMMIT THERAPEUTICS INCPUT86627T958 PUT 247,400 shares $4,183,534
TEUCRIUM COMMODITY TRCALL88166A900 CALL 371,100 shares $4,178,586
EQUINOR ASAPUT29446M952 PUT 100,400 shares $4,176,640