← 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
- 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) |
|---|---|---|---|---|---|
| SENSATA TECHNOLOGIES HLDG PL | PUT | G8060N952 | PUT | 2,100 shares | $87,276 |
| WINNEBAGO INDS INC | PUT | 974637950 | PUT | 3,300 shares | $87,021 |
| DREAM FINDERS HOMES INC | COM | 26154D100 | — | 8,122 shares | $86,905 |
| CHIRON REAL ESTATE INC | CALL | 37954A903 | CALL | 2,500 shares | $86,900 |
| PEOPLE INC | COM | 44891N208 | — | 2,069 shares | $86,815 |
| CVR ENERGY INC | PUT | 12662P958 | PUT | 1,700 shares | $86,683 |
| FIRST TR EXCHANGE-TRADED FD | PUT | 33733E956 | PUT | 300 shares | $86,535 |
| ZURA BIO LTD | PUT | G9TY5A951 | PUT | 20,800 shares | $86,528 |
| GAIN THERAPEUTICS INC | PUT | 36269B955 | PUT | 50,000 shares | $86,500 |
| SPDR INDEX SHS FDS | PUT | 78463X959 | PUT | 1,000 shares | $86,500 |
| ONE GAS INC | CALL | 68235P908 | CALL | 1,200 shares | $86,244 |
| NEUROGENE INC | PUT | 64135M955 | PUT | 3,100 shares | $86,242 |
| IRIDIUM COMMUNICATIONS INC | PUT | 46269C952 | PUT | 1,800 shares | $86,220 |
| 3D SYS CORP DEL | PUT | 88554D955 | PUT | 23,900 shares | $86,040 |
| INDIVIOR PHARMACEUTICALS INC | CALL | 45579U909 | CALL | 2,400 shares | $86,040 |
| DIREXION SHARES ETF TRUST | COM | 25459Y876 | — | 664 shares | $85,981 |
| ADIENT PLC | CALL | G0084W901 | CALL | 5,100 shares | $85,884 |
| COLUMBIA BKG SYS INC | PUT | 197236952 | PUT | 3,000 shares | $85,800 |
| NEOVOLTA INC | PUT | 640655956 | PUT | 33,000 shares | $85,800 |
| U S PHYSICAL THERAPY | PUT | 90337L958 | PUT | 1,000 shares | $85,730 |
| ETF OPPORTUNITIES TRUST | CALL | 26923N905 | CALL | 2,000 shares | $85,680 |
| ENANTA PHARMACEUTICALS INC | PUT | 29251M956 | PUT | 6,500 shares | $85,670 |
| ISHARES TR | CALL | 464288905 | CALL | 600 shares | $85,302 |
| LESAKA TECHNOLOGIES INC | CALL | 64107N906 | CALL | 19,700 shares | $85,301 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152A909 | CALL | 5,600 shares | $85,232 |
| KARYOPHARM THERAPEUTICS INC | COM | 48576U205 | — | 69,837 shares | $85,201 |
| GRAYSCALE SOLANA STAKING ETF | CALL | 38965D904 | CALL | 9,600 shares | $85,200 |
| APARTMENT INVT & MGMT CO | PUT | 03748R957 | PUT | 43,000 shares | $85,140 |
| PROSHARES TR | PUT | 74347R952 | PUT | 1,500 shares | $85,080 |
| KODIAK AI INC. | COM | 500081104 | — | 44,271 shares | $85,000 |
| PHUNWARE INC | PUT | 71948P959 | PUT | 42,900 shares | $84,942 |
| HUNTSMAN CORP | PUT | 447011957 | PUT | 10,100 shares | $84,840 |
| JANUX THERAPEUTICS INC | PUT | 47103J955 | PUT | 4,900 shares | $84,672 |
| HEARTFLOW INC | PUT | 42238D957 | PUT | 1,700 shares | $84,575 |
| MYR GROUP INC | COM | 55405W104 | — | 289 shares | $84,520 |
| INSTEEL INDS INC | PUT | 45774W958 | PUT | 2,900 shares | $84,477 |
| INVESCO DB MULTI-SECTOR COMM | CALL | 46140H900 | CALL | 2,300 shares | $84,433 |
| VIRIDIAN THERAPEUTICS INC | CALL | 92790C904 | CALL | 4,100 shares | $84,419 |
| KAYNE ANDERSON ENERGY INFRST | PUT | 486606956 | PUT | 6,200 shares | $84,320 |
| ETF OPPORTUNITIES TRUST | PUT | 26923V958 | PUT | 3,000 shares | $84,240 |
| MOONLAKE IMMUNOTHERAPEUTICS | PUT | 61559X954 | PUT | 7,200 shares | $84,240 |
| EVERSPIN TECHNOLOGIES INC | COM | 30041T104 | — | 4,568 shares | $84,233 |
| BRUKER CORP | PUT | 116794958 | PUT | 1,300 shares | $84,175 |
| BLACK HILLS CORP | CALL | 092113909 | CALL | 1,200 shares | $84,096 |
| TERRA INNOVATUM GLOBAL NV | CALL | N85083908 | CALL | 24,800 shares | $84,072 |
| EDITAS MEDICINE INC | PUT | 28106W953 | PUT | 32,700 shares | $84,039 |
| PORTILLOS INC | COM | 73642K106 | — | 23,802 shares | $84,021 |
| MIZUHO FINANCIAL GROUP INC | COM | 60687Y109 | — | 7,601 shares | $83,991 |
| ALLIENT INC | COM | 019330109 | — | 751 shares | $83,811 |
| B & G FOODS INC | CALL | 05508R906 | CALL | 29,200 shares | $83,804 |
| BTCS INC | CALL | 05581M904 | CALL | 57,000 shares | $83,790 |
| PLAYBOY INC | CALL | 72814P909 | CALL | 81,700 shares | $83,742 |
| LIFTOFF MOBILE INC | PUT | 53229X951 | PUT | 5,300 shares | $83,740 |
| CORSAIR GAMING INC | PUT | 22041X952 | PUT | 6,200 shares | $83,700 |
| VIANT TECHNOLOGY INC | COM | 92557A101 | — | 6,799 shares | $83,695 |
| BABCOCK & WILCOX ENTERPRISES | COM | 05614L209 | — | 14,328 shares | $83,675 |
| SURROZEN INC | CALL | 86889P908 | CALL | 2,600 shares | $83,668 |
| ONCE UPON A FARM PBC | CALL | 68237F908 | CALL | 5,300 shares | $83,475 |
| TIDAL TRUST II | COM | 88634T337 | — | 6,244 shares | $83,357 |
| GLOBANT S A | PUT | L44385959 | PUT | 2,400 shares | $83,280 |
| SMUCKER J M CO | CALL | 832696905 | CALL | 700 shares | $83,237 |
| NABORS INDUSTRIES LTD | COM | G6359F137 | — | 1,065 shares | $83,197 |
| ABACUS GLOBAL MGMT INC | CALL | 00258Y904 | CALL | 10,300 shares | $83,018 |
| ARLO TECHNOLOGIES INC | COM | 04206A101 | — | 6,695 shares | $83,018 |
| REAL REMAX GROUP INC | COM | 776105108 | — | 5,074 shares | $83,010 |
| INTREPID POTASH INC | COM | 46121Y201 | — | 2,586 shares | $82,958 |
| HUYA INC | PUT | 44852D958 | PUT | 36,300 shares | $82,764 |
| FIRST TR EXCHANGE-TRADED FD | CALL | 33733E906 | CALL | 2,900 shares | $82,708 |
| FULL TRUCK ALLIANCE CO LTD | CALL | 35969L908 | CALL | 10,000 shares | $82,700 |
| OVID THERAPEUTICS INC | CALL | 690469901 | CALL | 33,200 shares | $82,668 |
| ADAM NAT RES FD INC | CALL | 00548F905 | CALL | 3,000 shares | $82,590 |
| ACUSHNET HLDGS CORP | PUT | 005098958 | PUT | 1,000 shares | $82,500 |
| DIREXION SHARES ETF TRUST | PUT | 25460G956 | PUT | 4,500 shares | $82,485 |
| LANDBRIDGE COMPANY LLC | COM | 514952100 | — | 1,015 shares | $82,387 |
| ORMAT TECHNOLOGIES INC | CALL | 686688902 | CALL | 900 shares | $82,341 |
| TIDAL TRUST II | PUT | 88636X950 | PUT | 1,600 shares | $82,320 |
| ETF OPPORTUNITIES TRUST | CALL | 26923N905 | CALL | 2,200 shares | $82,303 |
| GREENBRIER COS INC | COM | 393657101 | — | 2,053 shares | $82,263 |
| ARDMORE SHIPPING CORP | CALL | Y0207T900 | CALL | 4,400 shares | $82,104 |
| KINIKSA PHARMACEUTICALS INTL | PUT | G52694959 | PUT | 1,100 shares | $82,071 |
| CINEMARK HLDGS INC | PUT | 17243V952 | PUT | 2,200 shares | $82,060 |
| SPERO THERAPEUTICS INC | PUT | 84833T953 | PUT | 67,800 shares | $82,038 |
| GOLD ROYALTY CORP | COM | 38071H106 | — | 27,342 shares | $82,026 |
| BOSTON BEER INC | CALL | 100557907 | CALL | 500 shares | $82,010 |
| LISTED FDS TR | CALL | 53656F907 | CALL | 1,700 shares | $81,946 |
| ARCUTIS BIOTHERAPEUTICS INC | PUT | 03969K958 | PUT | 3,100 shares | $81,933 |
| INFINITY NAT RES INC | PUT | 456941953 | PUT | 6,500 shares | $81,900 |
| BROOKFIELD INFRASTRUCTURE PA | CALL | G16252901 | CALL | 2,300 shares | $81,765 |
| RELAY THERAPEUTICS INC | COM | 75943R102 | — | 4,526 shares | $81,694 |
| CINGULATE INC | CALL | 17248W903 | CALL | 16,500 shares | $81,675 |
| ISHARES TR | CALL | 464287907 | CALL | 600 shares | $81,624 |
| SIGA TECHNOLOGIES INC | PUT | 826917956 | PUT | 24,000 shares | $81,600 |
| AIRJOULE TECHNOLOGIES CORP | PUT | 612160951 | PUT | 20,900 shares | $81,510 |
| SPROTT ETF TRUST | CALL | 85210B901 | CALL | 1,100 shares | $81,488 |
| BETTER HOME & FINANCE HOLDIN | CALL | 08774B908 | CALL | 7,400 shares | $81,400 |
| MORGAN STANLEY BITCOIN TR | PUT | 61692G959 | PUT | 3,400 shares | $81,396 |
| SPDR INDEX SHS FDS | CALL | 78463X909 | CALL | 1,100 shares | $81,367 |
| ISHARES TR | COM | 464288836 | — | 809 shares | $81,320 |
| COVENANT LOGISTICS GROUP INC | COM | 22284P105 | — | 2,507 shares | $81,026 |
| CABOT CORP | COM | 127055101 | — | 1,053 shares | $80,986 |