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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) |
|---|---|---|---|---|---|
| TIMKEN CO | COM | 887389104 | — | 801 shares | $93,516 |
| EDITAS MEDICINE INC | COM | 28106W103 | — | 36,293 shares | $93,273 |
| DIREXION SHARES ETF TRUST | COM | 25461A569 | — | 2,609 shares | $93,271 |
| LIFEZONE METALS LIMITED | CALL | G5568L909 | CALL | 24,800 shares | $93,248 |
| QUEST DIAGNOSTICS INC | CALL | 74834L900 | CALL | 400 shares | $93,228 |
| VANGUARD WHITEHALL FDS | PUT | 921946955 | PUT | 600 shares | $93,120 |
| DIREXION SHARES ETF TRUST | PUT | 25460G956 | PUT | 2,300 shares | $92,943 |
| TRAVEL PLUS LEISURE CO | CALL | 894164902 | CALL | 1,500 shares | $92,805 |
| INVESCO EXCHANGE TRADED FD T | CALL | 46137V906 | CALL | 600 shares | $92,772 |
| ALBERTSONS COMPANIES INC | COM | 013091103 | — | 7,978 shares | $92,624 |
| FOMENTO ECONOMICO MEXICANO S | COM | 344419106 | — | 781 shares | $92,595 |
| HORIZON TECHNOLOGY FIN CORP | COM | 44045A102 | — | 20,150 shares | $92,488 |
| WIPRO LTD | PUT | 97651M959 | PUT | 56,000 shares | $92,400 |
| CUMBERLAND PHARMACEUTICALS I | CALL | 230770909 | CALL | 11,800 shares | $92,394 |
| ISHARES TR | PUT | 464288955 | PUT | 1,000 shares | $92,170 |
| VERITONE INC | PUT | 92347M950 | PUT | 77,300 shares | $91,986 |
| GLOBAL X FDS | PUT | 37950E958 | PUT | 2,600 shares | $91,936 |
| GOLUB CAP BDC INC | COM | 38173M102 | — | 7,274 shares | $91,870 |
| SIGA TECHNOLOGIES INC | COM | 826917106 | — | 27,015 shares | $91,851 |
| OUTFRONT MEDIA INC | COM | 69007J304 | — | 3,309 shares | $91,824 |
| AAR CORP | COM | 000361105 | — | 904 shares | $91,728 |
| WARBY PARKER INC | PUT | 93403J956 | PUT | 3,300 shares | $91,674 |
| VERACYTE INC | COM | 92337F107 | — | 1,991 shares | $91,665 |
| PIMCO ETF TR | CALL | 72201R902 | CALL | 1,700 shares | $91,664 |
| VERITONE INC | CALL | 92347M900 | CALL | 77,000 shares | $91,630 |
| THEMES ETF TR | COM | 882927122 | — | 5,331 shares | $91,581 |
| PDF SOLUTIONS INC | COM | 693282105 | — | 1,790 shares | $91,379 |
| BROWN & BROWN INC | CALL | 115236901 | CALL | 1,500 shares | $91,350 |
| MERLIN INC | COM | 590106100 | — | 48,581 shares | $91,332 |
| STAG INDUSTRIAL INC | COM | 85254J102 | — | 2,550 shares | $91,315 |
| OMNIAB INC | COM | 68218J103 | — | 18,410 shares | $91,313 |
| OCULAR THERAPEUTIX INC | CALL | 67576A900 | CALL | 11,900 shares | $91,273 |
| AVISTA CORP | PUT | 05379B957 | PUT | 2,600 shares | $91,234 |
| BROWN FORMAN CORP | CALL | 115637909 | CALL | 3,400 shares | $91,221 |
| FIDELITY SOLANA FD | CALL | 31641G904 | CALL | 6,600 shares | $91,146 |
| VANGUARD INTL EQUITY INDEX F | COM | 922042866 | — | 787 shares | $91,142 |
| BLACK HILLS CORP | PUT | 092113959 | PUT | 1,300 shares | $91,104 |
| DESCARTES SYS GROUP INC | COM | 249906108 | — | 1,126 shares | $91,048 |
| ADAMAS TRUST INC. | PUT | 649604950 | PUT | 11,700 shares | $91,026 |
| GOLUB CAP BDC INC | CALL | 38173M902 | CALL | 7,200 shares | $90,936 |
| FLOTEK INDUSTRIES INC | PUT | 343389959 | PUT | 3,100 shares | $90,892 |
| ACCELERANT HOLDINGS | PUT | G00894958 | PUT | 4,600 shares | $90,758 |
| NANO NUCLEAR ENERGY INC | COM | 63010H108 | — | 5,719 shares | $90,646 |
| HNI CORP | CALL | 404251900 | CALL | 2,000 shares | $90,640 |
| COLLIERS INTL GROUP INC | COM | 194693107 | — | 1,009 shares | $90,608 |
| IQIYI INC | PUT | 46267X958 | PUT | 90,600 shares | $90,600 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 8,000 shares | $90,560 |
| EURONET WORLDWIDE INC | COM | 298736109 | — | 1,440 shares | $90,532 |
| ARLO TECHNOLOGIES INC | PUT | 04206A951 | PUT | 7,300 shares | $90,520 |
| GRAY MEDIA INC | CALL | 389375906 | CALL | 20,100 shares | $90,450 |
| KOPPERS HOLDINGS INC | COM | 50060P106 | — | 1,982 shares | $90,359 |
| PROSHARES TR | CALL | 74350U900 | CALL | 5,400 shares | $90,342 |
| VELO3D INC | COM | 92259N302 | — | 8,294 shares | $90,321 |
| HARMONY BIOSCIENCES HLDGS IN | PUT | 413197954 | PUT | 2,300 shares | $90,298 |
| VOR BIOPHARMA INC | COM | 929033207 | — | 4,730 shares | $90,248 |
| SOUTHSIDE BANCSHARES INC | PUT | 84470P959 | PUT | 3,000 shares | $90,240 |
| CUBESMART | CALL | 229663909 | CALL | 2,400 shares | $90,192 |
| ZCASH ETF | COM | 38964G108 | — | 2,377 shares | $90,183 |
| INGERSOLL RAND INC | PUT | 45687V956 | PUT | 1,200 shares | $90,132 |
| ISHARES TR | PUT | 46438T959 | PUT | 3,600 shares | $90,108 |
| EVGO INC | CALL | 30052F900 | CALL | 71,500 shares | $90,090 |
| KURV ETF TR | CALL | 500948900 | CALL | 3,600 shares | $89,968 |
| COMMVAULT SYS INC | PUT | 204166952 | PUT | 600 shares | $89,951 |
| ISHARES INC | PUT | 46434G959 | PUT | 1,500 shares | $89,940 |
| MOBILITY GLOBAL INC | COM | 60744M106 | — | 5,239 shares | $89,848 |
| TANGO THERAPEUTICS INC | PUT | 87583X959 | PUT | 3,600 shares | $89,820 |
| ISHARES TR | COM | 46435G342 | — | 4,926 shares | $89,702 |
| DIREXION SHARES ETF TRUST | COM | 25461H796 | — | 13,669 shares | $89,668 |
| IMPINJ INC | CALL | 453204909 | CALL | 500 shares | $89,645 |
| GLOBAL X FDS | CALL | 37954Y909 | CALL | 3,300 shares | $89,562 |
| IMMATICS N.V | CALL | N44445909 | CALL | 10,200 shares | $89,555 |
| ISHARES INC | CALL | 464286901 | CALL | 2,100 shares | $89,460 |
| ELEMENT SOLUTIONS INC | COM | 28618M106 | — | 2,464 shares | $89,393 |
| GRANITESHARES ETF TR | CALL | 38747R904 | CALL | 3,400 shares | $89,318 |
| ORRSTOWN FINL SVCS INC | CALL | 687380905 | CALL | 2,200 shares | $89,276 |
| WISDOMTREE TR | COM | 97717W422 | — | 2,191 shares | $89,239 |
| ARCBEST CORP | CALL | 03937C905 | CALL | 700 shares | $89,208 |
| DOUBLEVERIFY HLDGS INC | PUT | 25862V955 | PUT | 6,600 shares | $89,034 |
| DESCARTES SYS GROUP INC | PUT | 249906958 | PUT | 1,100 shares | $88,946 |
| WILLDAN GROUP INC | CALL | 96924N900 | CALL | 1,200 shares | $88,656 |
| ANGI INC | COM | 00183L201 | — | 15,385 shares | $88,617 |
| RLI CORP | CALL | 749607907 | CALL | 1,600 shares | $88,496 |
| ENGENE THERAPEUTICS INC | PUT | 29286X951 | PUT | 44,200 shares | $88,400 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152A909 | CALL | 12,300 shares | $88,314 |
| ETFIS SER TR I | COM | 26923G822 | — | 4,471 shares | $88,302 |
| AMERICOLD REALTY TRUST INC | PUT | 03064D958 | PUT | 6,300 shares | $88,074 |
| BAIN CAP SPECIALTY FIN INC | COM | 05684B107 | — | 7,975 shares | $88,044 |
| CVR PARTNERS LP/CVR NITROGEN | COM | 126633205 | — | 710 shares | $87,883 |
| NATIONAL HEALTHCARE CORP | PUT | 635906950 | PUT | 400 shares | $87,804 |
| ANTERIS TECHNOLOGIES GLOBAL | CALL | 03675P902 | CALL | 11,300 shares | $87,801 |
| RING ENERGY INC | CALL | 76680V908 | CALL | 67,000 shares | $87,770 |
| APPIAN CORP | COM | 03782L101 | — | 2,486 shares | $87,681 |
| CHIMERA INVT CORP | PUT | 16934Q952 | PUT | 9,200 shares | $87,676 |
| MAMAS CREATIONS INC | PUT | 56146T953 | PUT | 6,800 shares | $87,652 |
| STANDARDAERO INC | PUT | 85423L953 | PUT | 4,100 shares | $87,535 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 5,600 shares | $87,528 |
| OPTIMUM COMMUNICATIONS INC | PUT | 02156K953 | PUT | 88,400 shares | $87,516 |
| DANA INC | PUT | 235825955 | PUT | 3,200 shares | $87,392 |
| AVALO THERAPEUTICS INC | PUT | 05338F956 | PUT | 5,700 shares | $87,381 |
| THEMES ETF TR | CALL | 882927904 | CALL | 2,000 shares | $87,343 |