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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) |
|---|---|---|---|---|---|
| CNA FINL CORP | PUT | 126117950 | PUT | 300 shares | $13,464 |
| DIREXION SHARES ETF TRUST | COM | 25460G419 | — | 578 shares | $13,461 |
| BOSTON OMAHA CORP | COM | 101044105 | — | 1,041 shares | $13,460 |
| NUVATION BIO INC | COM | 67080N101 | — | 2,400 shares | $13,440 |
| RAPPORT THERAPEUTICS INC | PUT | 75383L952 | PUT | 400 shares | $13,440 |
| PHREESIA INC | CALL | 71944F906 | CALL | 1,300 shares | $13,429 |
| PORTLAND GEN ELEC CO | PUT | 736508957 | PUT | 300 shares | $13,389 |
| AUTODESK INC | COM | 052769106 | — | 64 shares | $13,376 |
| VESTIS CORPORATION | PUT | 29430C952 | PUT | 1,000 shares | $13,360 |
| PACER FDS TR | CALL | 69374H901 | CALL | 200 shares | $13,352 |
| SEAPORT ENTMT GROUP INC | COM | 812215200 | — | 583 shares | $13,344 |
| RAVE RESTAURANT GROUP INC | PUT | 754198959 | PUT | 5,800 shares | $13,339 |
| GLOBAL X FDS | PUT | 37960A953 | PUT | 200 shares | $13,304 |
| LIBERTY LATIN AMERICA LTD | CALL | G9001E908 | CALL | 1,700 shares | $13,303 |
| TIDAL TRUST II | PUT | 88636R953 | PUT | 700 shares | $13,300 |
| ISHARES TR | CALL | 46429B907 | CALL | 300 shares | $13,296 |
| ROUNDHILL ETF TRUST | COM | 77926X817 | — | 1,560 shares | $13,291 |
| PROSPERITY BANCSHARES INC | PUT | 743606955 | PUT | 200 shares | $13,241 |
| COMPASS MINERALS INTL INC | CALL | 20451N901 | CALL | 600 shares | $13,223 |
| GLOBAL X FDS | COM | 37954Y186 | — | 735 shares | $13,217 |
| PROSHARES TR | COM | 74350P543 | — | 758 shares | $13,189 |
| GRUPO AEROPORTUARIO DEL SURE | COM | 40051E202 | — | 56 shares | $13,170 |
| TIDAL TRUST II | COM | 88636X864 | — | 1,748 shares | $13,110 |
| FREIGHTCAR AMER INC | COM | 357023100 | — | 1,939 shares | $13,088 |
| Q32 BIO INC | COM | 746964105 | — | 1,582 shares | $13,083 |
| CARIBOU BIOSCIENCES INC | PUT | 142038958 | PUT | 10,300 shares | $13,081 |
| IDACORP INC | CALL | 451107906 | CALL | 100 shares | $13,072 |
| IDACORP INC | PUT | 451107956 | PUT | 100 shares | $13,072 |
| CENTERRA GOLD INC | CALL | 152006902 | CALL | 600 shares | $13,068 |
| OAKTREE SPECIALTY LENDING | COM | 67401P405 | — | 1,098 shares | $13,066 |
| IZEA WORLDWIDE INC | CALL | 46604H904 | CALL | 5,200 shares | $13,051 |
| BRAZIL POTASH CORP | COM | 10586A108 | — | 5,897 shares | $13,032 |
| BRIGHTSTAR LOTTERY PLC | COM | G4863A108 | — | 1,304 shares | $13,026 |
| STEPSTONE GROUP INC | CALL | 85914M907 | CALL | 300 shares | $13,019 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 800 shares | $13,014 |
| UMB FINL CORP | PUT | 902788958 | PUT | 100 shares | $13,001 |
| SPDR SERIES TRUST | CALL | 78464A908 | CALL | 200 shares | $13,000 |
| KRANESHARES TRUST | PUT | 500767956 | PUT | 1,100 shares | $12,964 |
| JAMES RIV GROUP HOLDINGS INC | COM | 46990A102 | — | 3,776 shares | $12,951 |
| STONEX GROUP INC | CALL | 861896908 | CALL | 200 shares | $12,928 |
| ALX ONCOLOGY HLDGS INC | CALL | 00166B905 | CALL | 9,300 shares | $12,927 |
| RMR GROUP INC | COM | 74967R106 | — | 714 shares | $12,909 |
| AMPHASTAR PHARMACEUTICALS IN | CALL | 03209R903 | CALL | 500 shares | $12,904 |
| ISOENERGY LTD | COM | 46500E867 | — | 1,449 shares | $12,896 |
| ISHARES TR | CALL | 46434V906 | CALL | 500 shares | $12,890 |
| BUCKLE INC | PUT | 118440956 | PUT | 300 shares | $12,885 |
| OSHKOSH CORP | PUT | 688239951 | PUT | 100 shares | $12,882 |
| CUSTOM TRUCK ONE SOURCE INC | COM | 23204X103 | — | 1,414 shares | $12,881 |
| ALPHA PRO TECH LTD | COM | 020772109 | — | 2,511 shares | $12,856 |
| FOGHORN THERAPEUTICS INC | CALL | 344174907 | CALL | 3,600 shares | $12,852 |
| UNITED STS 12 MONTH NAT GAS | COM | 91288X109 | — | 2,257 shares | $12,842 |
| DREAM FINDERS HOMES INC | CALL | 26154D900 | CALL | 1,200 shares | $12,840 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 400 shares | $12,836 |
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 400 shares | $12,836 |
| AMERICAN CENTY ETF TR | CALL | 025072905 | CALL | 100 shares | $12,809 |
| ROUNDHILL ETF TRUST | PUT | 77926X952 | PUT | 1,500 shares | $12,779 |
| ABRDN ETFS | COM | 003261203 | — | 332 shares | $12,772 |
| RGC RES INC | CALL | 74955L903 | CALL | 600 shares | $12,762 |
| LYELL IMMUNOPHARMA INC | PUT | 55083R953 | PUT | 1,300 shares | $12,727 |
| FIRST FINL BANKSHARES INC | CALL | 32020R909 | CALL | 400 shares | $12,696 |
| SKYWEST INC | COM | 830879102 | — | 131 shares | $12,696 |
| GRACE THERAPEUTICS INC | CALL | 00439U904 | CALL | 5,900 shares | $12,685 |
| NUVECTIS PHARMA INC | PUT | 67080T958 | PUT | 600 shares | $12,672 |
| GRAPHIC PACKAGING HLDG CO | PUT | 388689951 | PUT | 1,400 shares | $12,670 |
| TIDAL TRUST III | PUT | 45259A955 | PUT | 400 shares | $12,651 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152A909 | CALL | 1,200 shares | $12,635 |
| MNTN INC | COM | 55318A108 | — | 1,238 shares | $12,590 |
| SPINNAKER ETF SERIES | CALL | 84858T902 | CALL | 300 shares | $12,567 |
| EASTERN BANKSHARES INC | CALL | 27627N905 | CALL | 600 shares | $12,558 |
| PJT PARTNERS INC | COM | 69343T107 | — | 88 shares | $12,558 |
| VANGUARD BD INDEX FDS | CALL | 921937905 | CALL | 200 shares | $12,546 |
| WEAVE COMMUNICATIONS INC | CALL | 94724R908 | CALL | 1,700 shares | $12,546 |
| TELEFLEX INCORPORATED | CALL | 879369906 | CALL | 100 shares | $12,504 |
| RIBBON COMMUNICATIONS INC | CALL | 762544904 | CALL | 7,100 shares | $12,496 |
| INVESTMENT MANAGERS SER TR I | CALL | 46092D906 | CALL | 800 shares | $12,480 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 1,100 shares | $12,478 |
| DFA INVT DIMENSIONS GROUP IN | COM | 25239Y170 | — | 333 shares | $12,477 |
| RPC INC | COM | 749660106 | — | 2,216 shares | $12,476 |
| VITESSE ENERGY INC | COM | 92852X103 | — | 745 shares | $12,441 |
| ENANTA PHARMACEUTICALS INC | COM | 29251M106 | — | 943 shares | $12,428 |
| COMMERCIAL METALS CO | PUT | 201723953 | PUT | 200 shares | $12,420 |
| EXCHANGE LISTED FDS TR | CALL | 30151E908 | CALL | 300 shares | $12,417 |
| GALECTIN THERAPEUTICS INC | CALL | 363225902 | CALL | 3,200 shares | $12,416 |
| FIDELITY COVINGTON TRUST | CALL | 31609A903 | CALL | 300 shares | $12,410 |
| KNOT OFFSHORE PARTNERS LP | CALL | Y48125901 | CALL | 1,200 shares | $12,396 |
| EAST WEST BANCORP INC | PUT | 27579R954 | PUT | 100 shares | $12,393 |
| TRAVEL PLUS LEISURE CO | PUT | 894164952 | PUT | 200 shares | $12,374 |
| HYPERFINE INC | CALL | 44916K906 | CALL | 15,300 shares | $12,362 |
| BADGER METER INC | CALL | 056525908 | CALL | 100 shares | $12,354 |
| BTCS INC | PUT | 05581M954 | PUT | 8,400 shares | $12,348 |
| THEMES ETF TR | COM | 88340C842 | — | 3,363 shares | $12,342 |
| ROGERS COMMUNICATIONS INC | PUT | 775109950 | PUT | 400 shares | $12,320 |
| VANGUARD WORLD FD | COM | 92204A876 | — | 72 shares | $12,312 |
| SERITAGE GROWTH PPTYS | COM | 81752R100 | — | 7,593 shares | $12,300 |
| MIMEDX GROUP INC | COM | 602496101 | — | 2,636 shares | $12,283 |
| GRANITESHARES ETF TR | COM | 38747R439 | — | 1,080 shares | $12,251 |
| AMPLIFY ETF TR | PUT | 032108958 | PUT | 200 shares | $12,246 |
| HAYWARD HLDGS INC | PUT | 421298950 | PUT | 1,000 shares | $12,240 |
| FIRST AMERN FINL CORP | CALL | 31847R902 | CALL | 200 shares | $12,148 |
| FIRST AMERN FINL CORP | PUT | 31847R952 | PUT | 200 shares | $12,148 |