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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)
SCHNEIDER NATIONAL INCCALL80689H902 CALL 800 shares $25,480
TAKEDA PHARMACEUTICAL CO LTDPUT874060955 PUT 1,400 shares $25,466
ISHARES TRCALL46436E907 CALL 2,000 shares $25,390
EMPIRE ST RLTY TR INCPUT292104956 PUT 6,300 shares $25,389
MIDCAP FINANCIAL INVSTMNT COPUT03761U952 PUT 2,900 shares $25,346
ISHARES TRCALL464288905 CALL 300 shares $25,326
CYTOMX THERAPEUTICS INC.CALL23284F905 CALL 9,300 shares $25,296
PROSHARES TR IICALL74347W902 CALL 800 shares $25,296
EVE HLDG INCPUT29970N954 PUT 13,100 shares $25,283
BOK FINL CORPCALL05561Q901 CALL 200 shares $25,280
UNIVERSAL INS HLDGS INCCALL91359V907 CALL 600 shares $25,254
UMB FINL CORPCOM902788108 — 194 shares $25,221
KONTOOR BRANDS INCCALL50050N903 CALL 400 shares $25,212
PORCH GROUP INCCOM733245104 — 1,511 shares $25,173
MERITAGE HOMES CORPPUT59001A952 PUT 400 shares $25,140
LEXICON PHARMACEUTICALS INCPUT528872952 PUT 13,400 shares $25,125
UPBOUND GROUP INCPUT76009N950 PUT 1,600 shares $25,120
GRANITESHARES ETF TRPUT38747R954 PUT 900 shares $25,074
HA SUSTAINABLE INFRA CAP INCPUT41068X950 PUT 700 shares $25,074
SPDR SERIES TRUSTCOM78464A201 — 234 shares $25,030
KEMPER CORPPUT488401950 PUT 1,000 shares $25,000
POWERFLEET INCCALL73931J909 CALL 8,800 shares $24,992
HERC HLDGS INCPUT42704L954 PUT 200 shares $24,960
MOHAWK INDS INCCALL608190904 CALL 200 shares $24,944
KORNIT DIGITAL LTDPUTM6372Q953 PUT 1,500 shares $24,930
INVESCO GALAXY BITCOIN ETFCALL46091J901 CALL 300 shares $24,921
RXO INCCOM74982T103 — 1,216 shares $24,879
BENCHMARK ELECTRS INCCALL08160H901 CALL 300 shares $24,873
STEWART INFORMATION SVCS CORPUT860372951 PUT 500 shares $24,855
ENCORE ENERGY CORPCALL29259W900 CALL 255,800 shares $24,827
FIDELITY COVINGTON TRUSTCOM316092402 — 732 shares $24,814
REFORMATION INCCOM75867H106 — 2,059 shares $24,790
ISHARES TRCOM464287838 — 139 shares $24,760
ARVINAS INCCALL04335A905 CALL 3,200 shares $24,752
BADGER METER INCPUT056525958 PUT 200 shares $24,708
H2O AMERICACALL784305904 CALL 400 shares $24,652
REINSURANCE GROUP AMER INCCALL759351904 CALL 100 shares $24,624
WORLD KINECT CORPORATIONCALL981475906 CALL 700 shares $24,611
HORNBECK OFFSHORE SERVICES ICALL42330P907 CALL 3,200 shares $24,608
ROUNDHILL ETF TRUSTCOM77926X619 — 766 shares $24,580
WALKER & DUNLOP INCPUT93148P952 PUT 700 shares $24,577
TELECOM ARGENTINA SACALL879273909 CALL 2,000 shares $24,539
NKARTA INCCOM65487U108 — 9,364 shares $24,533
CARDINAL INFRASTRUCTURE GROUCALL14154A902 CALL 800 shares $24,480
PROSHARES TRCALL74347R902 CALL 400 shares $24,480
LENDINGTREE INCPUT52603B957 PUT 1,000 shares $24,430
GRANITESHARES ETF TRCALL38747R904 CALL 1,500 shares $24,402
PROQR THRAPEUTICS N VPUTN71542959 PUT 14,700 shares $24,402
STAR GROUP LPCOM85512C105 — 1,900 shares $24,396
LXP INDUSTRIAL TRUSTCALL529043908 CALL 400 shares $24,368
CVRX INCPUT126638955 PUT 13,900 shares $24,325
VISIONWAVE HOLDINGS INCPUT927950954 PUT 5,500 shares $24,310
DESCARTES SYS GROUP INCCALL249906908 CALL 300 shares $24,258
ARK ETF TRCALL00214Q907 CALL 200 shares $24,250
ODYSSEY MARINE EXPL INCCOM676118201 — 35,905 shares $24,250
ADDUS HOMECARE CORPCOM006739106 — 219 shares $24,208
PROSHARES TRCOM74347R172 — 1,821 shares $24,164
A2Z CUST2MATE SOLUTIONS CORPCALL002205902 CALL 4,200 shares $24,150
KOREA ELEC PWR CORPCALL500631906 CALL 2,200 shares $24,112
BOOT BARN HLDGS INCCALL099406900 CALL 200 shares $24,094
FACTORIAL ENERGY INCPUT30347G953 PUT 3,800 shares $24,092
REFORMATION INCCALL75867H906 CALL 2,000 shares $24,080
UPEXI INCPUT39959A955 PUT 21,100 shares $24,054
GROUP 1 AUTOMOTIVE INCPUT398905959 PUT 100 shares $24,044
SPDR SERIES TRUSTCOM78468R523 — 242 shares $24,040
THEMES ETF TRCOM88340C149 — 462 shares $24,033
PATTERN GROUP INCPUT70339W954 PUT 1,400 shares $24,024
SUI GROUP HOLDINGS LIMITEDCALL59982U900 CALL 15,400 shares $24,024
GRANITESHARES ETF TRCALL38747R904 CALL 3,400 shares $24,004
SCHWAB STRATEGIC TRPUT808524958 PUT 800 shares $24,000
ACV AUCTIONS INCCALL00091G904 CALL 2,300 shares $23,989
CHINA YUCHAI INTL LTDCOMG21082105 — 771 shares $23,924
AMERICAN BATTERY TECHNOLOGYPUT02451V959 PUT 10,800 shares $23,868
NEOGENOMICS INCPUT64049M959 PUT 1,300 shares $23,868
SPECTRUM BRANDS HOLDINGS INCPUT84790A955 PUT 300 shares $23,853
ORGANOGENESIS HLDGS INCCALL68621F902 CALL 17,400 shares $23,838
TUYA INCCALL90114C907 CALL 14,000 shares $23,800
REYNOLDS CONSUMER PRODS INCPUT76171L956 PUT 1,100 shares $23,782
DIANTHUS THERAPEUTICS INCCOM252828108 — 270 shares $23,773
DIREXION SHARES ETF TRUSTCALL25490K909 CALL 600 shares $23,706
RENTOKIL INITIAL PLCCALL760125904 CALL 1,200 shares $23,700
PORTLAND GEN ELEC COCOM736508847 — 530 shares $23,653
SOL STRATEGIES INCCALL83411A905 CALL 14,500 shares $23,634
MCGRAW HILL INCPUT580907953 PUT 1,800 shares $23,598
THEMES ETF TRPUT88340C953 PUT 2,000 shares $23,593
LADDER CAP CORPPUT505743954 PUT 2,700 shares $23,571
GRUPO AEROPORTUARIO DEL SUREPUT40051E952 PUT 100 shares $23,519
ETF OPPORTUNITIES TRUSTCALL26923Q901 CALL 10,400 shares $23,503
INVESTMENT MANAGERS SER TR IPUT46092D956 PUT 1,900 shares $23,484
TURNING PT BRANDS INCPUT90041L955 PUT 400 shares $23,480
WABASH NATL CORPPUT929566957 PUT 1,900 shares $23,427
TIDAL TRUST IIPUT88636Y958 PUT 2,500 shares $23,425
VANGUARD SCOTTSDALE FDSCOM92206C730 — 68 shares $23,392
ONCE UPON A FARM PBCCOM68237F108 — 1,483 shares $23,357
ISHARES TRPUT46435G952 PUT 900 shares $23,337
NOUVEAU MONDE GRAPHITE INCCALL66979W902 CALL 19,400 shares $23,280
RAPID7 INCPUT753422954 PUT 1,900 shares $23,218
ROUNDHILL ETF TRUSTPUT77926X952 PUT 800 shares $23,214
BICYCLE THERAPEUTICS PLCCALL088786908 CALL 6,300 shares $23,184
AH RLTY TR INCCALL04208T908 CALL 3,800 shares $23,179