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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
- STATE STR SPDR S&P 500 ETF T · PUT · 78462F953 · shares · PUT: $29,249,377,179
- STATE STR SPDR S&P 500 ETF T · CALL · 78462F903 · shares · CALL: $17,442,492,045
- INVESCO QQQ TR · PUT · 46090E953 · shares · PUT: $12,078,446,721
- INVESCO QQQ TR · CALL · 46090E903 · shares · CALL: $8,865,107,772
- ISHARES TR · PUT · 464287957 · shares · PUT: $7,705,507,038
- ISHARES TR · CALL · 464287907 · shares · CALL: $4,481,046,859
- NVIDIA CORPORATION · PUT · 67066G954 · shares · PUT: $3,643,049,246
- NVIDIA CORPORATION · CALL · 67066G904 · shares · CALL: $3,591,709,422
- META PLATFORMS INC · CALL · 30303M902 · shares · CALL: $3,350,259,082
- MICRON TECHNOLOGY INC · PUT · 595112953 · shares · PUT: $2,763,853,939
Reported holdings
10,469 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| COGNEX CORP | CALL | 192422903 | CALL | 25,700 shares | $1,558,705 |
| URANIUM ENERGY CORP | COM | 916896103 | — | 164,778 shares | $1,557,152 |
| PAMPA ENERGIA SA | PUT | 697660957 | PUT | 20,000 shares | $1,555,400 |
| INTUITIVE MACHINES INC | COM | 46125A100 | — | 108,689 shares | $1,547,731 |
| NEUROCRINE BIOSCIENCES INC | PUT | 64125C959 | PUT | 10,900 shares | $1,546,056 |
| MPLX LP | COM | 55336V100 | — | 27,451 shares | $1,546,040 |
| FERGUSON ENTERPRISES INC | COM | 31488V107 | — | 6,942 shares | $1,545,428 |
| INTERNATIONAL FLAVORS&FRAGRA | CALL | 459506901 | CALL | 18,500 shares | $1,544,380 |
| DIREXION SHARES ETF TRUST | COM | 25460E869 | — | 182,002 shares | $1,543,376 |
| RACKSPACE TECHNOLOGY INC | CALL | 750102905 | CALL | 414,300 shares | $1,543,267 |
| VARONIS SYS INC | PUT | 922280952 | PUT | 32,500 shares | $1,542,125 |
| APPLE HOSPITALITY REIT INC | PUT | 03784Y950 | PUT | 95,300 shares | $1,540,048 |
| ONTO INNOVATION INC | PUT | 683344955 | PUT | 5,000 shares | $1,539,100 |
| BECTON DICKINSON & CO | CALL | 075887909 | CALL | 8,700 shares | $1,538,950 |
| INFOSYS LTD | CALL | 456788908 | CALL | 142,900 shares | $1,537,604 |
| SAIA INC | CALL | 78709Y905 | CALL | 4,600 shares | $1,535,204 |
| PEABODY ENGR CORP | CALL | 704551900 | CALL | 62,900 shares | $1,534,131 |
| KEYCORP | PUT | 493267958 | PUT | 76,400 shares | $1,533,348 |
| ISHARES TR | PUT | 464288955 | PUT | 7,400 shares | $1,533,132 |
| ACV AUCTIONS INC | COM | 00091G104 | — | 146,937 shares | $1,532,552 |
| ABERCROMBIE & FITCH CO | COM | 002896207 | — | 11,369 shares | $1,531,290 |
| UNUSUAL MACHS INC | PUT | 91532F952 | PUT | 62,500 shares | $1,530,000 |
| SYSCO CORP | PUT | 871829957 | PUT | 19,600 shares | $1,528,016 |
| COOPER COS INC | CALL | 216648901 | CALL | 27,000 shares | $1,526,310 |
| CURTISS WRIGHT CORP | CALL | 231561901 | CALL | 2,800 shares | $1,522,696 |
| CATERPILLAR INC | COM | 149123101 | — | 1,878 shares | $1,522,663 |
| ERO COPPER CORP | PUT | 296006959 | PUT | 41,500 shares | $1,522,635 |
| FUNDRISE INNOVATION FD LLC | CALL | 360852907 | CALL | 51,400 shares | $1,522,468 |
| LINEAGE INC | CALL | 53566V906 | CALL | 44,600 shares | $1,521,752 |
| EMBRAER S.A. | PUT | 29082A957 | PUT | 20,200 shares | $1,521,464 |
| BLACKLINE INC | COM | 09239B109 | — | 57,319 shares | $1,520,673 |
| PHOTRONICS INC | COM | 719405102 | — | 49,389 shares | $1,520,193 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152A909 | CALL | 140,000 shares | $1,517,600 |
| TSS INC DEL | CALL | 87288V901 | CALL | 155,900 shares | $1,516,907 |
| MASTEC INC | PUT | 576323959 | PUT | 7,100 shares | $1,516,702 |
| CELLEBRITE DI LTD | CALL | M2197Q907 | CALL | 134,500 shares | $1,514,470 |
| LIGHTPATH TECHNOLOGIES INC | CALL | 532257905 | CALL | 146,700 shares | $1,512,477 |
| DLOCAL LTD | PUT | G29018951 | PUT | 109,900 shares | $1,512,224 |
| GE HEALTHCARE TECHNOLOGIES I | PUT | 36266G957 | PUT | 23,100 shares | $1,510,047 |
| INVESTMENT MANAGERS SER TR I | PUT | 46152A959 | PUT | 164,600 shares | $1,509,382 |
| D-WAVE QUANTUM INC | COM | 26740W109 | — | 91,020 shares | $1,508,201 |
| QIAGEN NV | COM | N72482156 | — | 34,462 shares | $1,508,057 |
| DAVITA INC | PUT | 23918K958 | PUT | 8,600 shares | $1,504,312 |
| PROSHARES TR | CALL | 74347B909 | CALL | 35,400 shares | $1,504,146 |
| SABLE OFFSHORE CORP | PUT | 78574H954 | PUT | 434,400 shares | $1,503,024 |
| MARSH & MCLENNAN COS INC | CALL | 571748902 | CALL | 8,800 shares | $1,502,424 |
| WESTERN ALLIANCE BANCORP | CALL | 957638909 | CALL | 20,000 shares | $1,502,000 |
| MATTEL INC | CALL | 577081902 | CALL | 118,600 shares | $1,501,476 |
| INVESCO DB US DLR INDEX TR | CALL | 46141D903 | CALL | 83,900 shares | $1,500,971 |
| XPENG INC | COM | 98422D105 | — | 156,930 shares | $1,500,250 |
| BLUE OWL CAPITAL CORPORATION | PUT | 69121K954 | PUT | 143,000 shares | $1,500,070 |
| GIGACLOUD TECHNOLOGY INC | CALL | G38644903 | CALL | 29,000 shares | $1,498,720 |
| CANADIAN SOLAR INC | PUT | 136635959 | PUT | 130,000 shares | $1,497,600 |
| ERASCA INC | PUT | 29479A958 | PUT | 102,100 shares | $1,496,786 |
| SOLVENTUM CORP | COM | 83444M101 | — | 16,942 shares | $1,493,437 |
| SOUTHSTATE BK CORP | CALL | 84472E902 | CALL | 15,000 shares | $1,493,400 |
| OTIS WORLDWIDE CORP | CALL | 68902V907 | CALL | 23,100 shares | $1,485,792 |
| ALKAMI TECHNOLOGY INC | PUT | 01644J958 | PUT | 108,300 shares | $1,482,627 |
| GALLAGHER ARTHUR J & CO | COM | 363576109 | — | 6,497 shares | $1,482,030 |
| DRAGANFLY INC. | CALL | 26142Q904 | CALL | 243,500 shares | $1,480,480 |
| PROSHARES TR II | PUT | 74347Y958 | PUT | 85,700 shares | $1,480,039 |
| SWEETGREEN INC | PUT | 87043Q958 | PUT | 166,700 shares | $1,478,629 |
| PRICE T ROWE GROUP INC | PUT | 74144T958 | PUT | 14,200 shares | $1,477,510 |
| SMURFIT WESTROCK PLC | CALL | G8267P908 | CALL | 33,500 shares | $1,477,350 |
| KNIGHT-SWIFT TRANSN HLDGS IN | PUT | 499049954 | PUT | 23,200 shares | $1,475,288 |
| MOLINA HEALTHCARE INC | PUT | 60855R950 | PUT | 7,800 shares | $1,474,980 |
| AMCOR PLC | COM | G0250X149 | — | 35,184 shares | $1,472,802 |
| C3 AI INC | COM | 12468P104 | — | 133,610 shares | $1,468,373 |
| PAPA JOHNS INTL INC | PUT | 698813952 | PUT | 74,500 shares | $1,468,022 |
| DIREXION SHARES ETF TRUST | CALL | 25461A904 | CALL | 26,100 shares | $1,467,602 |
| ORMAT TECHNOLOGIES INC | COM | 686688102 | — | 16,029 shares | $1,466,493 |
| NAVIOS MARITIME PARTNERS LP | COM | Y62267409 | — | 16,305 shares | $1,465,982 |
| SUPER GROUP SGHC LIMITED | COM | G8588X103 | — | 128,990 shares | $1,464,036 |
| TORM PLC | PUT | G89479952 | PUT | 38,400 shares | $1,461,120 |
| ZIONS BANCORPORATION NATL AS | CALL | 989701907 | CALL | 23,300 shares | $1,459,745 |
| ISHARES INC | CALL | 464286901 | CALL | 25,000 shares | $1,459,500 |
| MADISON SQUARE GRDN SPRT COR | PUT | 55825T953 | PUT | 3,600 shares | $1,458,756 |
| HARLEY DAVIDSON INC | CALL | 412822908 | CALL | 59,700 shares | $1,458,471 |
| GRAYSCALE ETHEREUM STAKING | PUT | 38964R953 | PUT | 57,200 shares | $1,458,028 |
| MEDLINE INC | PUT | 58507V957 | PUT | 42,000 shares | $1,457,400 |
| WERIDE INC | CALL | 950915908 | CALL | 274,400 shares | $1,457,064 |
| IRON MTN INC DEL | COM | 46284V101 | — | 13,127 shares | $1,456,440 |
| BIOCRYST PHARMACEUTICALS INC | CALL | 09058V903 | CALL | 174,300 shares | $1,451,919 |
| NATIONAL ENERGY SERVICES REU | CALL | G6375R907 | CALL | 56,900 shares | $1,449,243 |
| SUMITOMO MITSUI FIN GRP INC | PUT | 86562M959 | PUT | 55,900 shares | $1,448,369 |
| COMSTOCK RES INC | PUT | 205768952 | PUT | 117,300 shares | $1,445,136 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152N904 | CALL | 135,600 shares | $1,444,140 |
| ZILLOW GROUP INC | PUT | 98954M950 | PUT | 53,200 shares | $1,443,316 |
| BANCO BRADESCO S A | CALL | 059460903 | CALL | 409,500 shares | $1,441,440 |
| DIREXION SHARES ETF TRUST | CALL | 25461A904 | CALL | 46,900 shares | $1,436,312 |
| PROSHARES TR II | COM | 74347Y656 | — | 72,262 shares | $1,434,400 |
| HUNT J B TRANS SVCS INC | PUT | 445658957 | PUT | 6,400 shares | $1,433,920 |
| OLIN CORP | CALL | 680665905 | CALL | 92,300 shares | $1,430,650 |
| TENCENT MUSIC ENTMT GROUP | PUT | 88034P959 | PUT | 180,200 shares | $1,428,986 |
| UIPATH INC | COM | 90364P105 | — | 111,288 shares | $1,428,937 |
| BRC GROUP HOLDINGS INC | PUT | 05580M958 | PUT | 292,400 shares | $1,428,374 |
| ICON PUB LTD CO | CALL | G4705A900 | CALL | 8,400 shares | $1,427,916 |
| REPLIGEN CORP | COM | 759916109 | — | 7,427 shares | $1,427,692 |
| ISHARES TR | COM | 464288588 | — | 15,928 shares | $1,427,467 |
| KRATOS DEFENSE & SEC SOLUTIO | PUT | 50077B957 | PUT | 33,400 shares | $1,425,846 |