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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)
ASSOCIATED BANC-CORPCOM045487105 — 2,824 shares $80,907
STARLING ONCOLOGY INCPUT68236X950 PUT 12,800 shares $80,896
SONOCO PRODS COCOM835495102 — 1,656 shares $80,845
ETF OPPORTUNITIES TRUSTCALL26923Q901 CALL 8,900 shares $80,812
BRINKS COPUT109696954 PUT 800 shares $80,792
NEOSTELLAR CAP CORPPUT86887Q959 PUT 10,500 shares $80,745
GLOO HOLDINGS INCCOM379598105 — 18,865 shares $80,742
COMMERCIAL METALS COCALL201723903 CALL 1,300 shares $80,730
RELMADA THERAPEUTICS INCPUT75955J952 PUT 21,400 shares $80,678
GITLAB INCCOM37637K108 — 1,705 shares $80,561
TELUS CORPORATIONCALL87971M903 CALL 9,600 shares $80,544
ALPHATEC HLDGS INCPUT02081G951 PUT 7,800 shares $80,496
ALTO INGREDIENTS INCCOM021513106 — 21,757 shares $80,283
SKEENA RES LTD NEWCALL83056P905 CALL 2,700 shares $80,271
MYOMO INCCALL62857J901 CALL 51,400 shares $80,184
SBA COMMUNICATIONS CORPCALL78410G904 CALL 500 shares $80,060
RILEY EXPLORATION PERMIAN INPUT76665T952 PUT 2,000 shares $80,020
INVESTMENT MANAGERS SER TR IPUT46092D956 PUT 4,600 shares $79,948
ETF OPPORTUNITIES TRUSTCOM26923N538 — 2,136 shares $79,909
TIDAL TRUST IICOM88636W189 — 5,453 shares $79,867
ELEMENT SOLUTIONS INCCALL28618M906 CALL 2,200 shares $79,816
HILTON GRAND VACATIONS INCPUT43283X955 PUT 2,300 shares $79,718
PROKIDNEY CORPCALL74291D904 CALL 48,000 shares $79,680
WERIDE INCPUT950915958 PUT 15,000 shares $79,649
MANHATTAN ASSOCIATES INCCALL562750909 CALL 400 shares $79,480
VERA BRADLEY INCCALL92335C906 CALL 17,200 shares $79,464
GLOBAL X FDSPUT37960A953 PUT 3,400 shares $79,458
VANECK ETF TRUSTCALL92189H900 CALL 3,200 shares $79,456
APPLIED AEROSPACE & DEFENSECALL03815J907 CALL 6,600 shares $79,398
AMERICAN RES CORPCOM02927U208 — 44,343 shares $79,373
U HAUL HOLDING COMPANYCALL023586906 CALL 1,500 shares $79,275
STRUCTURE THERAPEUTICS INCCOM86366E106 — 2,535 shares $79,269
GRANDSTAND LTDCOMG3R239101 — 52,482 shares $79,247
VOYAGER THERAPEUTICS INCCALL92915B906 CALL 29,500 shares $79,060
BIOVENTUS INCCALL09075A908 CALL 5,800 shares $79,054
SANA BIOTECHNOLOGY INCPUT799566954 PUT 27,100 shares $78,996
PRECIGEN INCPUT74017N955 PUT 9,200 shares $78,752
EXTRA SPACE STORAGE INCCOM30225T102 — 598 shares $78,642
NATIONAL VISION HLDGS INCPUT63845R957 PUT 4,800 shares $78,623
AC IMMUNE SACALLH00263905 CALL 30,000 shares $78,600
OPKO HEALTH INCCOM68375N103 — 48,811 shares $78,585
EROCK INCPUT296013955 PUT 6,400 shares $78,464
C4 THERAPEUTICS INCCOM12529R107 — 23,534 shares $78,368
ACADIA PHARMACEUTICALS INCCOM004225108 — 3,887 shares $78,323
EXCHANGE TRADED CONCEPTS TRUCALL301505909 CALL 1,300 shares $78,299
GRANITESHARES ETF TRCALL38747R904 CALL 2,400 shares $78,288
COGENT COMM HOLDINGS INCCOM19239V302 — 10,043 shares $78,234
OPPFI INCCALL68386H903 CALL 12,900 shares $77,787
BJS WHSL CLUB HLDGS INCCOM05550J101 — 845 shares $77,740
UROGEN PHARMA LTDCOMM96088105 — 1,913 shares $77,725
ITRON INCPUT465741956 PUT 900 shares $77,706
BLUE BIRD CORPCALL095306906 CALL 1,400 shares $77,700
BELLRING BRANDS INCPUT07831C953 PUT 10,100 shares $77,669
SIDUS SPACE INCCALL826165901 CALL 42,900 shares $77,649
NEXPOINT REAL ESTATE FIN INCCALL65342V901 CALL 5,000 shares $77,600
VIVOPOWER PLCPUTG9376R959 PUT 21,000 shares $77,490
GRIFOLS S APUT398438958 PUT 10,600 shares $77,486
SPIRE INCCOM84857L101 — 1,018 shares $77,459
COLUMBIA BKG SYS INCCALL197236902 CALL 2,700 shares $77,220
DORIAN LPG LTDCALLY2106R900 CALL 1,400 shares $77,084
OCEANAGOLD CORPCALL675222900 CALL 2,800 shares $77,084
RYANAIR HOLDINGS PLCCALL783513903 CALL 1,400 shares $77,014
BLACKLINE INCCALL09239B909 CALL 2,900 shares $76,937
MIRUM PHARMACEUTICALS INCCALL604749901 CALL 900 shares $76,932
NWPX INFRASTRUCTURE INCCOM667746101 — 746 shares $76,860
CARIBOU BIOSCIENCES INCCALL142038908 CALL 60,500 shares $76,835
BALLARD PWR SYS INC NEWCOM058586108 — 37,641 shares $76,787
ISHARES INCCALL464286901 CALL 1,200 shares $76,776
AMERESCO INCCALL02361E908 CALL 3,700 shares $76,627
VANGUARD WORLD FDCALL92204A904 CALL 400 shares $76,236
ISHARES TRCALL464287907 CALL 600 shares $76,200
AMERICAS GOLD AND SILVER CORCOM03062D803 — 17,477 shares $76,199
CACI INTL INCCOM127190304 — 125 shares $76,138
KYVERNA THERAPEUTICS INCCOM501976104 — 11,175 shares $75,990
FIRST TR EXCHANGE TRADED FDPUT33738R956 PUT 300 shares $75,945
AUTOLUS THERAPEUTICS LTDCALL05280R900 CALL 39,100 shares $75,854
PROSHARES TRPUT74348A954 PUT 1,400 shares $75,740
FIDELITY COVINGTON TRUSTPUT316092951 PUT 1,000 shares $75,720
GRAYSCALE CHAINLINK TR ETFCALL38963V906 CALL 6,000 shares $75,600
THEMES ETF TRPUT88340F955 PUT 1,500 shares $75,585
CANARY CAPITAL GROUP LLXCOM136945102 — 5,127 shares $75,571
BELDEN INCCALL077454906 CALL 700 shares $75,551
WRAP TECHNOLOGIES INCCALL98212N907 CALL 52,800 shares $75,504
ZAI LAB LTDCOM98887Q104 — 2,866 shares $75,490
VANGUARD SCOTTSDALE FDSCOM92206C102 — 1,310 shares $75,403
SIMPLIFY EXCHANGE TRADED FUNPUT82889N959 PUT 4,600 shares $75,302
LAKELAND INDS INCCALL511795906 CALL 7,600 shares $75,088
STEWART INFORMATION SVCS CORCOM860372101 — 1,510 shares $75,062
SL GREEN RLTY CORPCOM78440X887 — 1,534 shares $75,043
SCHWAB STRATEGIC TRPUT808524958 PUT 3,500 shares $75,040
PEPGEN INCCALL713317905 CALL 31,000 shares $75,020
ORUKA THERAPEUTICS INCPUT687604958 PUT 900 shares $74,961
QUALYS INCPUT74758T953 PUT 400 shares $74,880
CARLYLE SECURED LENDING INCPUT872280952 PUT 7,000 shares $74,830
PROTALIX BIOTHERAPEUTICS INCCALL74365A909 CALL 27,100 shares $74,796
OLD REP INTL CORPCALL680223904 CALL 2,000 shares $74,620
WARNER MUSIC GROUP CORPCALL934550903 CALL 2,700 shares $74,547
KINDERCARE LEARNING COMPANIECOM49456W105 — 40,028 shares $74,452
ORION DIGITAL CORPCALL68627G904 CALL 68,900 shares $74,412
PARABILIS MEDICINES INCPUT698955951 PUT 2,300 shares $74,267