← 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)
SAMSARA INCPUT79589L956 PUT 53,000 shares $2,020,890
HUNTINGTON BANCSHARES INCCALL446150904 CALL 132,000 shares $2,014,320
TIDAL TRUST IICALL88636X900 CALL 125,400 shares $2,012,670
MITEK SYS INCCALL606710900 CALL 118,000 shares $2,011,900
ROYAL GOLD INCPUT780287958 PUT 8,500 shares $2,006,000
STRYKER CORPORATIONCOM863667101 — 7,281 shares $2,005,114
UNILEVER PLCPUT904767953 PUT 34,900 shares $2,004,372
AIR PRODUCTS AND CHEMICALS IPUT009158956 PUT 7,200 shares $2,003,256
NUSCALE PWR CORPCOM67079K100 — 253,483 shares $2,002,515
MAGNA INTL INCCOM559222401 — 31,440 shares $2,001,784
ETFS GOLD TRPUT00326A954 PUT 50,600 shares $2,001,736
ONTO INNOVATION INCCALL683344905 CALL 6,500 shares $2,000,830
SNAP ON INCCALL833034901 CALL 5,500 shares $1,998,425
LINCOLN NATL CORP INDPUT534187959 PUT 49,500 shares $1,992,870
TMC THE METALS COMPANY INCPUT87261Y956 PUT 518,700 shares $1,991,808
DNOW INCCOM67011P100 — 128,429 shares $1,990,649
UNITED STS COMMODITY INDEX FPUT911718954 PUT 49,900 shares $1,985,022
GALLAGHER ARTHUR J & COPUT363576959 PUT 8,700 shares $1,984,557
INVESTMENT MANAGERS SER TR ICALL46152A909 CALL 88,900 shares $1,984,248
COCA-COLA EUROPACIFIC PARTNEPUTG25839954 PUT 19,500 shares $1,983,344
GUIDEWIRE SOFTWARE INCCALL40171V900 CALL 13,900 shares $1,981,862
SHARKNINJA INCCALLG8068L908 CALL 11,000 shares $1,981,320
DIREXION SHARES ETF TRUSTPUT25459Y956 PUT 14,100 shares $1,981,191
INNIO NVPUTN52A8C955 PUT 109,200 shares $1,979,795
ZIM INTEGRATED SHIPPING SERVCALLM9T951909 CALL 67,500 shares $1,979,100
GARTNER INCCALL366651907 CALL 10,600 shares $1,977,324
VANGUARD INDEX FDSCALL922908909 CALL 22,000 shares $1,971,860
PENTAIR PLCCALLG7S00T904 CALL 37,200 shares $1,971,228
SCHRODINGER INCCALL80810D903 CALL 63,400 shares $1,968,570
NEKTAR THERAPEUTICSCOM640268306 — 32,514 shares $1,968,560
PENN ENTERTAINMENT INCCALL707569909 CALL 134,300 shares $1,967,495
PACS GROUP INCCALL69380Q907 CALL 47,300 shares $1,965,314
SPROUTS FMRS MKT INCPUT85208M952 PUT 29,600 shares $1,963,960
ZIONS BANCORPORATION NATL ASPUT989701957 PUT 31,300 shares $1,960,945
ALLY FINL INCCOM02005N100 — 52,123 shares $1,960,867
CHIME FINL INCCALL16935C909 CALL 73,600 shares $1,960,704
FRANCO NEV CORPCOM351858105 — 8,232 shares $1,960,121
TENABLE HLDGS INCCOM88025T102 — 53,845 shares $1,959,419
J P MORGAN EXCHANGE TRADED FCOM46641Q332 — 34,787 shares $1,955,725
SYMBOTIC INCCOM87151X101 — 46,444 shares $1,953,899
HERTZ GLOBAL HLDGS INCCALL42806J900 CALL 1,169,500 shares $1,953,065
FUELCELL ENERGY INCPUT35952H950 PUT 118,900 shares $1,952,338
HOWARD HUGHES HOLDINGS INCCALL44267T902 CALL 26,500 shares $1,950,930
HARLEY DAVIDSON INCPUT412822958 PUT 79,700 shares $1,947,071
EVERPURE INCCOM74624M102 — 14,882 shares $1,946,267
SCHRODINGER INCCOM80810D103 — 62,615 shares $1,944,195
LAMB WESTON HLDGS INCPUT513272954 PUT 46,500 shares $1,938,585
SAILPOINT INCPUT78781J959 PUT 95,100 shares $1,936,235
ENTERGY CORP NEWPUT29364G953 PUT 19,500 shares $1,935,570
NNN REIT INCCALL637417906 CALL 47,100 shares $1,935,339
COOPER COS INCPUT216648951 PUT 34,200 shares $1,933,326
CHURCH & DWIGHT CO INCCALL171340902 CALL 20,500 shares $1,931,510
ZOOMINFO TECHNOLOGIES INCPUT98980F954 PUT 509,500 shares $1,931,005
PPL CORPCALL69351T906 CALL 58,700 shares $1,930,643
PPG INDS INCCALL693506907 CALL 18,500 shares $1,930,105
PROSHARES TRCOM74347G440 — 172,083 shares $1,927,329
NOVARTIS AGCOM66987V109 — 13,509 shares $1,925,978
FERVO ENERGY COPUT31556C956 PUT 141,600 shares $1,924,344
GAMESTOP CORPCOM36467W109 — 78,063 shares $1,924,252
ISHARES TRPUT46436E957 PUT 19,100 shares $1,922,988
ZTO EXPRESS CAYMAN INCCALL98980A905 CALL 98,900 shares $1,920,638
AURORA INNOVATION INCCOM051774107 — 346,091 shares $1,917,344
TELEFONAKTIEBOLAGET LM ERICSCALL294821908 CALL 209,400 shares $1,916,010
NOBLE CORP PLCPUTG65431957 PUT 45,900 shares $1,915,866
FIVE9 INCPUT338307951 PUT 56,300 shares $1,914,762
PEABODY ENGR CORPCOM704551100 — 78,405 shares $1,912,297
LUMEN TECHNOLOGIES INCCOM550241103 — 341,229 shares $1,910,882
BIRKENSTOCK HOLDING PLCCALLM2029K904 CALL 58,900 shares $1,908,949
LEVI STRAUSS & CO NEWPUT52736R952 PUT 96,900 shares $1,908,930
TECK RESOURCES LTDCALL878742904 CALL 29,000 shares $1,907,910
HAWAIIAN ELEC INDS INC MTN BPUT419870950 PUT 213,400 shares $1,907,795
PRICE T ROWE GROUP INCCALL74144T908 CALL 18,300 shares $1,904,115
LIMBACH HLDGS INCPUT53263P955 PUT 38,900 shares $1,903,377
BATH & BODY WORKS INCPUT070830954 PUT 119,400 shares $1,900,848
TRIP COM GROUP LTDPUT89677Q957 PUT 48,600 shares $1,900,260
PROSHARES TRPUT74347G957 PUT 72,900 shares $1,899,774
PACS GROUP INCPUT69380Q957 PUT 45,700 shares $1,898,835
SPROTT FDS TRPUT85208P951 PUT 40,000 shares $1,898,400
FORUM MARKETS INCCALL68236V901 CALL 401,700 shares $1,896,023
COPART INCPUT217204956 PUT 69,400 shares $1,893,232
ARK 21SHARES BITCOIN ETFCOM040919102 — 68,297 shares $1,891,143
GODADDY INCCALL380237907 CALL 19,800 shares $1,891,098
ADVANCE AUTO PARTS INCPUT00751Y956 PUT 48,600 shares $1,891,026
MADRIGAL PHARMACEUTICALS INCCOM558868105 — 3,751 shares $1,890,353
FORTUNA MNG CORPCALL349942902 CALL 168,000 shares $1,888,320
RUBRIK INC.COM781154109 — 16,479 shares $1,886,351
WEC ENERGY GROUP INCCALL92939U906 CALL 18,700 shares $1,884,586
DIREXION SHARES ETF TRUSTCALL25461A904 CALL 12,900 shares $1,879,530
AFLAC INCCOM001055102 — 16,796 shares $1,877,456
PUBLIC STORAGECOM74460D109 — 6,637 shares $1,877,209
MADDEN STEVEN LTDCALL556269908 CALL 41,900 shares $1,875,863
ENSIGN GROUP INCCALL29358P901 CALL 10,900 shares $1,874,800
MOSAIC COCOM61945C103 — 86,589 shares $1,874,651
MISTRAS GROUP INCPUT60649T957 PUT 89,000 shares $1,874,340
IAMGOLD CORPCALL450913908 CALL 101,800 shares $1,874,138
NOBLE CORP PLCCOMG65431127 — 44,897 shares $1,874,000
CRH PLCPUTG25508955 PUT 22,600 shares $1,871,280
ISHARES INCPUT464286951 PUT 26,300 shares $1,869,667
NICE LTDPUT653656958 PUT 16,800 shares $1,869,336
WIX COM LTDCALLM98068905 CALL 25,900 shares $1,868,167