← 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)
GERON CORPCOM374163103 — 222,647 shares $273,855
GLOBAL SHIP LEASE INCPUTY27183950 PUT 6,200 shares $273,668
RICHTECH ROBOTICS INCCOM765504105 — 173,152 shares $273,580
PROSHARES TRCALL74349Y907 CALL 18,000 shares $273,420
WEIBO CORPPUT948596951 PUT 42,300 shares $273,258
AELUMA INCCALL00776X909 CALL 22,100 shares $273,156
ELBIT SYS LTDCALLM3760D901 CALL 400 shares $272,804
TOLL BROTHERS INCCOM889478103 — 2,021 shares $272,329
CVR PARTNERS LP/CVR NITROGENPUT126633955 PUT 2,200 shares $272,316
PROSHARES TRCOM74349Y837 — 10,968 shares $272,225
XANADU QUANTUM TECHNOLO LTDPUT98390R952 PUT 59,400 shares $272,052
ROOT INCCALL77664L907 CALL 5,900 shares $272,049
UNUM GROUPPUT91529Y956 PUT 3,100 shares $271,963
DIREXION SHARES ETF TRUSTPUT25460G956 PUT 10,900 shares $271,628
REAL REMAX GROUP INCCALL776105908 CALL 16,600 shares $271,576
ISHARES TRCALL46436E907 CALL 5,100 shares $271,422
BCE INCCOM05534B760 — 13,334 shares $271,213
DAQO NEW ENERGY CORPCALL23703Q903 CALL 23,700 shares $270,891
LI AUTO INCCOM50202M102 — 23,827 shares $270,674
INVESTMENT MANAGERS SER TR ICOM46152A221 — 11,477 shares $270,283
LANDSTAR SYS INCCALL515098901 CALL 1,600 shares $269,832
BURFORD CAPITAL LIMITEDCALLG17977900 CALL 68,800 shares $269,696
UNIVERSAL DISPLAY CORPCALL91347P905 CALL 3,500 shares $269,640
INVESTMENT MANAGERS SER TR ICALL46092D906 CALL 15,500 shares $269,390
GRABAGUN DIGITAL HLDGS INCCOM38387Q105 — 128,763 shares $269,114
HORMEL FOODS CORPCOM440452100 — 13,487 shares $268,930
VELOCITY FINL INCCALL92262D901 CALL 17,900 shares $268,858
ODDITY TECH LTDPUTM7518J954 PUT 14,400 shares $268,704
ETF OPPORTUNITIES TRUSTCALL26923N905 CALL 8,300 shares $268,256
SYLVAMO CORPCALL871332902 CALL 8,200 shares $267,976
UNIVERSAL TECHNICAL INST INCCOM913915104 — 14,350 shares $267,914
BOX INCCALL10316T904 CALL 8,000 shares $267,840
IVANHOE ELECTRIC INCCOM46578C108 — 26,988 shares $267,720
CPS TECHNOLOGIES CORPCALL12619F904 CALL 71,300 shares $266,662
INSIGHT ENTERPRISES INCCOM45765U103 — 1,704 shares $266,369
ENTRAVISION COMMUNICATIONS CCALL29382R907 CALL 36,200 shares $266,070
MANCHESTER UTD PLC NEWCALLG5784H906 CALL 12,700 shares $266,065
CAPITAL SOUTHWEST CORPCALL140501907 CALL 11,500 shares $265,995
ENCOMPASS HEALTH CORPCOM29261A100 — 2,187 shares $265,698
FACTORIAL ENERGY INCCALL30347G903 CALL 41,900 shares $265,646
PROSHARES TR IICALL74347Y908 CALL 9,600 shares $265,632
NABORS INDUSTRIES LTDCALLG6359F907 CALL 3,400 shares $265,608
ATKORE INCCALL047649908 CALL 2,800 shares $265,300
JOYY INCPUT46591M959 PUT 3,300 shares $264,825
CRYOPORT INCPUT229050957 PUT 15,200 shares $264,479
INTAPP INCPUT45827U959 PUT 7,300 shares $264,333
PEPGEN INCCOM713317105 — 109,211 shares $264,290
ELEMENTAL RTY CORPPUT28620K956 PUT 13,800 shares $263,580
KILROY REALTY CORPCALL49427F908 CALL 7,900 shares $262,833
JADE BIOSCIENCES INCPUT008064956 PUT 18,700 shares $262,735
CELLDEX THERAPEUTICS INC NEWCOM15117B202 — 8,104 shares $262,650
GLOBAL X FDSCOM37954Y236 — 9,672 shares $262,498
XTEND AI ROBOTICS INCCALL98387C900 CALL 73,700 shares $262,372
DANAOS CORPORATIONPUTY1968P951 PUT 1,700 shares $262,327
DIREXION SHARES ETF TRUSTPUT25461A954 PUT 1,800 shares $262,260
HERCULES CAPITAL INCPUT427096958 PUT 15,600 shares $262,236
SMITHFIELD FOODS INCCALL832248907 CALL 14,000 shares $262,080
DISC MEDICINE INCPUT254604951 PUT 4,000 shares $261,840
HARMONY GOLD MNG LTDCOM413216300 — 14,772 shares $261,759
MORGAN STANLEY DIRECT LENDINPUT61774A953 PUT 19,200 shares $261,696
TEUCRIUM COMMODITY TRCOM88166A706 — 9,629 shares $261,244
AMENTUM HOLDINGS INCPUT023939951 PUT 14,400 shares $260,928
PENSKE AUTOMOTIVE GRP INCPUT70959W953 PUT 1,300 shares $260,442
INVESTMENT MANAGERS SER TR IPUT46152A959 PUT 5,600 shares $260,176
GLADSTONE COMMERCIAL CORPCALL376536908 CALL 20,600 shares $260,075
UNITED NAT FOODS INCCALL911163903 CALL 5,800 shares $259,782
ALTO NEUROSCIENCE INCCOM02157Q109 — 10,171 shares $259,665
UNITED PARKS & RESORTS INCPUT81282V950 PUT 8,000 shares $259,200
EASTMAN KODAK COCALL277461906 CALL 27,100 shares $259,076
EQUIPMENTSHARE COM INCCOM29445S100 — 14,909 shares $258,969
BRANDYWINE RLTY TRCOM105368203 — 92,485 shares $258,957
ABACUS GLOBAL MGMT INCCOM00258Y104 — 32,125 shares $258,927
ISHARES TRCOM464287796 — 3,995 shares $258,876
VANECK ETF TRUSTCALL92189F902 CALL 2,500 shares $258,649
EXCHANGE TRADED CONCEPTS TRUCOM301505475 — 4,292 shares $258,507
VITAL FARMS INCPUT92847W953 PUT 27,800 shares $257,984
QUANTUM SI INCCOM74765K105 — 241,028 shares $257,899
GRANITESHARES ETF TRCALL38747R904 CALL 16,500 shares $257,895
GOLD ROYALTY CORPCALL38071H906 CALL 85,900 shares $257,700
SUN LIFE FINANCIAL INC.CALL866796905 CALL 3,300 shares $257,300
MIDLAND STATES BANCORP INCCALL597742905 CALL 8,000 shares $257,279
ISHARES INCPUT464286951 PUT 6,800 shares $257,108
TAL ED GROUPPUT874080954 PUT 21,300 shares $257,091
OCUGEN INCCALL67577C905 CALL 249,600 shares $257,088
LIGHTPATH TECHNOLOGIES INCCOM532257805 — 24,893 shares $256,646
VANGUARD SPECIALIZED FUNDSPUT921908954 PUT 1,100 shares $256,641
DRAGANFLY INC.PUT26142Q954 PUT 42,200 shares $256,576
RISKIFIED LTDCALLM8216R909 CALL 32,400 shares $256,284
COINSHARES ETF TRPUT91917A952 PUT 5,700 shares $256,101
VANGUARD MUN BD FDSPUT922907956 PUT 5,400 shares $255,744
VOYAGER TECHNOLOGIES INCCOM92892B103 — 8,454 shares $255,733
AYA GOLD & SILVER INCPUT05466C959 PUT 9,500 shares $255,549
MIRUM PHARMACEUTICALS INCCOM604749101 — 2,989 shares $255,499
ATLANTA BRAVES HLDGS INCCALL047726902 CALL 4,400 shares $255,332
CHEMOURS COPUT163851958 PUT 18,800 shares $255,116
VERADERMICS INCCOM922967104 — 2,104 shares $255,067
BAUSCH PLUS LOMB CORPCALL071705907 CALL 15,000 shares $255,000
FS KKR CAP CORPCALL302635906 CALL 23,200 shares $254,968
TYLER TECHNOLOGIES INCCALL902252905 CALL 800 shares $254,880
CANDEL THERAPEUTICS INCCALL137404909 CALL 24,400 shares $254,736