← 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)
METALLA RTY & STREAMING LTDCOM59124U605 — 3,836 shares $36,135
WISDOMTREE TRPUT97717W957 PUT 200 shares $36,110
ETF OPPORTUNITIES TRUSTCALL26923V908 CALL 2,000 shares $36,100
ETF OPPORTUNITIES TRUSTPUT26923V958 PUT 2,000 shares $36,100
SIMPSON MFG INCCOM829073105 — 211 shares $36,055
CARTESIAN THERAPEUTICS INCCALL816212902 CALL 5,000 shares $36,050
AMERICAN CENTY ETF TRCOM025072703 — 400 shares $36,044
INVESCO EXCHANGE TRADED FD TCOM46137V605 — 571 shares $35,875
ARBE ROBOTICS LTDCOMM1R95N100 — 57,793 shares $35,831
OPORTUN FINL CORPCALL68376D904 CALL 4,400 shares $35,816
GOPRO INCPUT38268T953 PUT 27,700 shares $35,733
GRANITESHARES ETF TRCOM38747R306 — 3,336 shares $35,728
OAKTREE SPECIALTY LENDINGPUT67401P955 PUT 3,000 shares $35,700
SENSEONICS HLDGS INCPUT81727U953 PUT 3,500 shares $35,595
SFL CORPORATION LTDCALLG7738W906 CALL 2,700 shares $35,532
CURIOSITYSTREAM INCPUT23130Q957 PUT 12,200 shares $35,502
LENNOX INTL INCCALL526107907 CALL 100 shares $35,502
SABRA HEALTH CARE REIT INCCALL78573L906 CALL 1,800 shares $35,496
THEMES ETF TRCALL882927904 CALL 1,100 shares $35,464
BLACK DIAMOND THERAPEUTICS ICALL09203E905 CALL 18,800 shares $35,438
ROBOSTRATEGY INCCOM77106T107 — 1,349 shares $35,438
MERCHANTS BANCORP INDCOM58844R108 — 723 shares $35,398
PROSHARES TRPUT74349Y957 PUT 1,100 shares $35,375
TRANSCAT INCCALL893529907 CALL 400 shares $35,368
GLOBAL X FDSCALL37950E908 CALL 1,000 shares $35,360
ROUNDHILL ETF TRUSTCALL77926Y900 CALL 1,500 shares $35,316
PROGYNY INCPUT74340E953 PUT 1,400 shares $35,266
HARBOR ETF TRUSTPUT41151J952 PUT 1,000 shares $35,260
CORGI ETF TR ICALL218946907 CALL 800 shares $35,256
KINGSTONE COS INCPUT496719955 PUT 2,000 shares $35,160
COGNYTE SOFTWARE LTDCOMM25133105 — 4,042 shares $35,124
ENOVA INTL INCCOM29357K103 — 210 shares $35,093
STIFEL FINL CORPCOM860630102 — 500 shares $35,020
TREX INCPUT89531P955 PUT 800 shares $34,848
CAPITAL-FORCE ETF TRPUT14016P956 PUT 1,000 shares $34,810
CTS CORPCOM126501105 — 593 shares $34,803
AGF INVTS TRCOM00110G408 — 2,896 shares $34,752
BRT APARTMENTS CORPCALL055645903 CALL 2,600 shares $34,736
JINKOSOLAR HLDG CO LTDCOM47759T100 — 3,644 shares $34,654
FIDELITY MERRIMACK STR TRCALL316188909 CALL 800 shares $34,640
AXOS FINANCIAL INCCALL05465C900 CALL 400 shares $34,628
TIDAL TRUST IICOM88636R859 — 2,186 shares $34,560
MONARCH CASINO & RESORT INCCALL609027907 CALL 300 shares $34,500
RELMADA THERAPEUTICS INCCOM75955J402 — 9,137 shares $34,446
VOR BIOPHARMA INCPUT929033957 PUT 1,800 shares $34,344
TIDAL TRUST IICALL88636J906 CALL 1,400 shares $34,342
INVESCO CURRENCYSHARES CDN DPUT46138T954 PUT 500 shares $34,330
AKEBIA THREAPEUTICS INCPUT00972D955 PUT 37,300 shares $34,316
LIFEZONE METALS LIMITEDCOMG5568L109 — 9,122 shares $34,298
ISHARES TRCALL464289905 CALL 500 shares $34,260
DIREXION SHARES ETF TRUSTCOM25461H283 — 911 shares $34,235
ELICIO THERAPEUTICS INCCALL28657F903 CALL 18,800 shares $34,216
EAGLE MATLS INCPUT26969P958 PUT 200 shares $34,204
VANGUARD WORLD FDCALL92204A904 CALL 200 shares $34,200
ZCASH ETFPUT38964G958 PUT 900 shares $34,146
OPENLANE INCCALL48238T909 CALL 1,000 shares $34,130
GENPACT LIMITEDCOMG3922B107 — 1,046 shares $34,026
LISTED FDS TRCOM53656F144 — 1,706 shares $34,026
WW INTL INCPUT98262P950 PUT 2,200 shares $34,012
AUTOHOME INCCALL05278C907 CALL 1,600 shares $34,000
COMTECH TELECOMMUNICATIONS CCOM205826209 — 24,808 shares $33,986
FULL HSE RESORTS INCCOM359678109 — 23,933 shares $33,984
HEALTHPEAK PROPERTIES INCPUT42250P953 PUT 1,700 shares $33,949
FORTREA HLDGS INCPUT34965K957 PUT 1,700 shares $33,915
PROCURE ETF TRUST IIPUT74280R955 PUT 800 shares $33,852
LIGHTWAVE LOGIC INCCOM532275104 — 6,767 shares $33,835
NEOSTELLAR CAP CORPCALL86887Q909 CALL 4,400 shares $33,835
ISHARES TRPUT464287957 PUT 200 shares $33,808
MUELLER WTR PRODS INCCOM624758108 — 1,587 shares $33,707
PAYMENTUS HOLDINGS INCCALL70439P908 CALL 1,100 shares $33,704
ETF OPPORTUNITIES TRUSTCALL26923V908 CALL 1,200 shares $33,696
KORRO BIO INCPUT500946958 PUT 3,400 shares $33,694
GRACO INCCOM384109104 — 438 shares $33,655
BAKKT INCCOM05759B305 — 4,300 shares $33,583
CONTANGO SILVER & GOLD INCCALL21077F900 CALL 9,400 shares $33,569
BLEND LABS INCCOM09352U108 — 32,591 shares $33,568
SPOK HLDGS INCCALL84863T906 CALL 3,200 shares $33,568
PROSHARES TR IICOM74347W882 — 1,061 shares $33,548
DELCATH SYS INCPUT24661P957 PUT 2,100 shares $33,537
ROUNDHILL ETF TRUSTCALL77926X902 CALL 1,200 shares $33,406
ASCENT INDUSTRIES COCOM871565107 — 2,364 shares $33,332
VANECK MERK GOLD ETFCOM921078101 — 835 shares $33,316
SCHWAB STRATEGIC TRCALL808524908 CALL 1,000 shares $33,310
VNET GROUP INCPUT90138A953 PUT 6,000 shares $33,300
WORKIVA INCCALL98139A905 CALL 500 shares $33,284
KRANESHARES TRUSTCALL500767906 CALL 700 shares $33,271
RF INDS LTDPUT749552955 PUT 4,200 shares $33,264
DIMENSIONAL ETF TRUSTPUT25434V950 PUT 500 shares $33,220
HAMILTON LANE INCCOM407497106 — 382 shares $33,180
AMERESCO INCPUT02361E958 PUT 1,600 shares $33,136
ADVANCED FLOWER CAP INCCOM00109K105 — 9,202 shares $33,127
ELLINGTON FINANCIAL INCPUT28852N959 PUT 2,800 shares $33,124
NEUROGENE INCCOM64135M105 — 1,190 shares $33,105
TIDAL TRUST IICOM88636J659 — 4,381 shares $33,076
ALPS ETF TRCALL00162Q908 CALL 900 shares $32,985
PIPER SANDLER COMPANIESPUT724078959 PUT 500 shares $32,985
FIRST TR EXCHANGE-TRADED FDCALL337345902 CALL 100 shares $32,973
CRANE NXT COCALL224441905 CALL 700 shares $32,970
DEL MONTE CORPCALLG36738905 CALL 1,100 shares $32,956
VSE CORPCALL918284900 CALL 200 shares $32,940