← 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) |
|---|---|---|---|---|---|
| TERNIUM SA | PUT | 880890958 | PUT | 800 shares | $43,440 |
| EXTREME NETWORKS INC | COM | 30226D106 | — | 2,022 shares | $43,371 |
| TABOOLA.COM LTD | COM | M8744T106 | — | 12,907 shares | $43,367 |
| SAVARA INC | COM | 805111101 | — | 8,397 shares | $43,328 |
| SYNDAX PHARMACEUTICALS INC | PUT | 87164F955 | PUT | 2,300 shares | $43,240 |
| LAMAR ADVERTISING CO | PUT | 512816959 | PUT | 300 shares | $43,233 |
| TIDAL TRUST II | COM | 88636Y888 | — | 4,745 shares | $43,226 |
| VIR BIOTECHNOLOGY INC | COM | 92764N102 | — | 3,864 shares | $43,199 |
| AMBARELLA INC | COM | G037AX101 | — | 621 shares | $43,165 |
| WYNDHAM HOTELS & RESORTS INC | PUT | 98311A955 | PUT | 600 shares | $43,104 |
| GLOBAL X FDS | PUT | 37950E958 | PUT | 500 shares | $43,090 |
| CYTOMX THERAPEUTICS INC. | COM | 23284F105 | — | 15,838 shares | $43,079 |
| MERITAGE HOMES CORP | COM | 59001A102 | — | 684 shares | $42,989 |
| VANGUARD INDEX FDS | COM | 922908751 | — | 151 shares | $42,957 |
| PHIBRO ANIMAL HEALTH CORP | PUT | 71742Q956 | PUT | 1,200 shares | $42,888 |
| BARNES & NOBLE ED INC | CALL | 06777U900 | CALL | 3,700 shares | $42,883 |
| CARIS LIFE SCIENCES INC | PUT | 142152957 | PUT | 1,400 shares | $42,882 |
| POLYPID LTD | COM | M8001Q126 | — | 8,118 shares | $42,781 |
| XPEL INC | COM | 98379L100 | — | 968 shares | $42,756 |
| CENTURY THERAPEUTICS INC | CALL | 15673T900 | CALL | 25,000 shares | $42,750 |
| SIGMA LITHIUM CORPORATION | COM | 826599102 | — | 4,538 shares | $42,657 |
| LUXEXPERIENCE BV | COM | 55406W103 | — | 4,303 shares | $42,642 |
| CRESUD S A C I F Y A | PUT | 226406956 | PUT | 3,700 shares | $42,587 |
| ETF OPPORTUNITIES TRUST | CALL | 26923Y904 | CALL | 1,200 shares | $42,552 |
| LEMAITRE VASCULAR INC | COM | 525558201 | — | 515 shares | $42,533 |
| TIDAL TRUST II | CALL | 88634T901 | CALL | 4,200 shares | $42,378 |
| WEIBO CORP | COM | 948596101 | — | 6,556 shares | $42,351 |
| PROSHARES TR | CALL | 74347B909 | CALL | 1,900 shares | $42,313 |
| ISHARES INC | CALL | 464286901 | CALL | 1,000 shares | $42,250 |
| AMPLIFY ETF TR | CALL | 032108908 | CALL | 1,700 shares | $42,194 |
| INVESTMENT MANAGERS SER TR I | COM | 46152N645 | — | 1,865 shares | $42,167 |
| CROWN HLDGS INC | PUT | 228368956 | PUT | 400 shares | $42,164 |
| OCEANAGOLD CORP | COM | 675222400 | — | 1,531 shares | $42,148 |
| FRANKLIN TEMPLETON ETF TR | PUT | 35473P954 | PUT | 700 shares | $42,091 |
| WEBTOON ENTMT INC | PUT | 94845U955 | PUT | 3,900 shares | $42,081 |
| TIDAL TRUST II | CALL | 88636Y908 | CALL | 2,500 shares | $42,050 |
| LUFAX HOLDING LTD | PUT | 54975P951 | PUT | 34,700 shares | $41,987 |
| SOLID POWER INC | COM | 83422N105 | — | 17,677 shares | $41,982 |
| SPDR SERIES TRUST | CALL | 78464A908 | CALL | 400 shares | $41,968 |
| ISHARES INC | CALL | 464286901 | CALL | 1,200 shares | $41,964 |
| IRHYTHM HOLDINGS INC | COM | 450056106 | — | 369 shares | $41,940 |
| DMC GLOBAL INC | COM | 23291C103 | — | 7,513 shares | $41,922 |
| LENZ THERAPEUTICS INC | CALL | 52635N903 | CALL | 10,900 shares | $41,856 |
| FORTUNE BRANDS INNOVATIONS I | CALL | 34964C906 | CALL | 1,100 shares | $41,855 |
| SM ENERGY COMPANY | COM | 78454L100 | — | 1,239 shares | $41,853 |
| MARINEMAX INC | CALL | 567908908 | CALL | 800 shares | $41,840 |
| OFG BANCORP | COM | 67103X102 | — | 835 shares | $41,816 |
| SPDR SERIES TRUST | COM | 78464A763 | — | 285 shares | $41,746 |
| VIVMARK RESIDENTIAL | COM | 29476L107 | — | 687 shares | $41,742 |
| MERLIN INC | PUT | 590106950 | PUT | 22,200 shares | $41,735 |
| EROCK INC | CALL | 296013905 | CALL | 3,400 shares | $41,684 |
| GLADSTONE COMMERCIAL CORP | PUT | 376536958 | PUT | 3,300 shares | $41,662 |
| NOMAD PWR SOLUTIONS INC | COM | 539319301 | — | 10,613 shares | $41,656 |
| TIDAL TRUST I | COM | 886364199 | — | 793 shares | $41,632 |
| TERRESTRIAL ENERGY INC | PUT | 881454952 | PUT | 10,700 shares | $41,623 |
| MFA FINL INC | PUT | 55272X957 | PUT | 5,300 shares | $41,605 |
| LINEAGE CELL THERAPEUTICS IN | CALL | 53566P909 | CALL | 43,500 shares | $41,572 |
| PARK AEROSPACE CORP | CALL | 70014A904 | CALL | 1,400 shares | $41,566 |
| LKQ CORP | COM | 501889208 | — | 1,820 shares | $41,550 |
| CERENCE INC | PUT | 156727959 | PUT | 5,300 shares | $41,499 |
| RYDER SYS INC | COM | 783549108 | — | 182 shares | $41,470 |
| SITE CTRS CORP | PUT | 82981J951 | PUT | 12,300 shares | $41,451 |
| ISHARES INC | CALL | 464286901 | CALL | 700 shares | $41,440 |
| VIR BIOTECHNOLOGY INC | CALL | 92764N902 | CALL | 3,700 shares | $41,366 |
| UTZ BRANDS INC | PUT | 918090951 | PUT | 2,900 shares | $41,325 |
| ISHARES TR | CALL | 464287907 | CALL | 300 shares | $41,304 |
| INFUSYSTEM HLDGS INC | CALL | 45685K902 | CALL | 3,200 shares | $41,248 |
| POSTAL REALTY TRUST INC | CALL | 73757R902 | CALL | 1,800 shares | $41,166 |
| ISHARES INC | PUT | 46434G959 | PUT | 700 shares | $41,104 |
| REGENCELL BIOSCIENCE HLDGS L | PUT | G7487R950 | PUT | 6,600 shares | $41,051 |
| AMERICAN FINANCIAL GROUP INC | PUT | 025932954 | PUT | 300 shares | $41,028 |
| THEMES ETF TR | COM | 882927437 | — | 1,863 shares | $41,004 |
| SEVEN HILLS REALTY TRUST | COM | 81784E101 | — | 5,959 shares | $40,997 |
| ARK ETF TR | COM | 00214Q203 | — | 338 shares | $40,982 |
| AI FINL CORP | CALL | 47089W904 | CALL | 84,600 shares | $40,937 |
| TIDAL TRUST II | CALL | 88634T901 | CALL | 3,400 shares | $40,868 |
| LIBERTY CAP CORP | COM | 36164V800 | — | 1,760 shares | $40,832 |
| EXTREME NETWORKS INC | PUT | 30226D956 | PUT | 1,900 shares | $40,755 |
| AMPCO-PITTSBURG CORP | CALL | 032037903 | CALL | 4,600 shares | $40,710 |
| LANDBRIDGE COMPANY LLC | CALL | 514952900 | CALL | 500 shares | $40,585 |
| JACOBS SOLUTIONS INC | PUT | 46982L958 | PUT | 300 shares | $40,581 |
| AMPLIFY ETF TR | COM | 032108409 | — | 871 shares | $40,492 |
| GLOBAL X FDS | COM | 37950E101 | — | 1,143 shares | $40,416 |
| SANFILIPPO JOHN B & SON INC | COM | 800422107 | — | 607 shares | $40,371 |
| RELMADA THERAPEUTICS INC | CALL | 75955J902 | CALL | 10,700 shares | $40,339 |
| ARDENT HEALTH INC | PUT | 03980N957 | PUT | 3,900 shares | $40,326 |
| INVESTMENT MANAGERS SER TR I | COM | 46152A494 | — | 3,022 shares | $40,313 |
| LIFE360 INC | PUT | 532206959 | PUT | 1,000 shares | $40,275 |
| CREXENDO INC | COM | 226552107 | — | 6,849 shares | $40,272 |
| ALGONQUIN POWER & UTILITIES | PUT | 015857955 | PUT | 8,000 shares | $40,240 |
| GLOBAL X FDS | PUT | 37954Y959 | PUT | 2,600 shares | $40,222 |
| SUMMIT THERAPEUTICS INC | COM | 86627T108 | — | 2,371 shares | $40,093 |
| FIDELITY SOLANA FD | PUT | 31641G954 | PUT | 2,900 shares | $40,049 |
| WIDEPOINT CORP | COM | 967590209 | — | 5,077 shares | $40,006 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 2,100 shares | $40,005 |
| BRIGHTVIEW HLDGS INC | CALL | 10948C907 | CALL | 4,000 shares | $40,000 |
| THEMES ETF TR | CALL | 88340C903 | CALL | 9,800 shares | $39,984 |
| DESIGNER BRANDS INC | PUT | 250565958 | PUT | 6,600 shares | $39,930 |
| MANPOWERGROUP INC WIS | COM | 56418H100 | — | 718 shares | $39,906 |
| ISHARES U S ETF TR | COM | 46431W507 | — | 800 shares | $39,888 |