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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) |
|---|---|---|---|---|---|
| COLLEGIUM PHARMACEUTICAL INC | PUT | 19459J954 | PUT | 18,600 shares | $405,852 |
| DOMINION ENERGY INC | PUT | 25746U959 | PUT | 6,700 shares | $405,484 |
| AIRSHIP AI HLDGS INC | CALL | 008940908 | CALL | 218,000 shares | $405,480 |
| SPDR SERIES TRUST | COM | 78464A631 | — | 1,752 shares | $405,150 |
| AGREE RLTY CORP | COM | 008492100 | — | 6,048 shares | $404,066 |
| CENOVUS ENERGY INC | COM | 15135U109 | — | 12,997 shares | $403,946 |
| PELOTON INTERACTIVE INC | COM | 70614W100 | — | 80,909 shares | $403,735 |
| PROSPECT CAP CORP | CALL | 74348T902 | CALL | 193,800 shares | $403,104 |
| GSI TECHNOLOGY INC | PUT | 36241U956 | PUT | 74,000 shares | $402,930 |
| MID-AMER APT CMNTYS INC | COM | 59522J103 | — | 3,418 shares | $402,435 |
| OPERA LTD | PUT | 68373M957 | PUT | 22,800 shares | $401,736 |
| TE CONNECTIVITY PLC | PUT | G87052959 | PUT | 1,900 shares | $401,052 |
| CAPRICOR THERAPEUTICS INC | COM | 14070B309 | — | 42,344 shares | $400,997 |
| GXO LOGISTICS INCORPORATED | COM | 36262G101 | — | 9,016 shares | $400,761 |
| VIZSLA SILVER CORP | COM | 92859G608 | — | 105,587 shares | $400,174 |
| ALUMIS INC | COM | 022307102 | — | 54,055 shares | $399,466 |
| PERFORMANCE FOOD GROUP CO | COM | 71377A103 | — | 4,365 shares | $399,441 |
| ADVISORSHARES TR | CALL | 00768Y900 | CALL | 168,400 shares | $399,108 |
| ARCUTIS BIOTHERAPEUTICS INC | CALL | 03969K908 | CALL | 15,100 shares | $399,093 |
| POWER INTEGRATIONS INC | PUT | 739276953 | PUT | 7,700 shares | $398,860 |
| PRIORITY TECHNOLOGY HLDGS IN | COM | 74275G107 | — | 51,122 shares | $398,751 |
| LIFE360 INC | CALL | 532206909 | CALL | 9,900 shares | $398,722 |
| VANGUARD WORLD FD | PUT | 921910953 | PUT | 4,300 shares | $398,395 |
| LANTHEUS HLDGS INC | CALL | 516544903 | CALL | 4,000 shares | $398,120 |
| SYNDAX PHARMACEUTICALS INC | COM | 87164F105 | — | 21,168 shares | $397,958 |
| ISHARES TR | COM | 464288257 | — | 2,505 shares | $397,706 |
| MAGNACHIP SEMICONDUCTOR CORP | CALL | 55933J903 | CALL | 105,600 shares | $397,056 |
| FRANKLIN TEMPLETON ETF TR | CALL | 35473P904 | CALL | 6,600 shares | $396,858 |
| AAR CORP | CALL | 000361905 | CALL | 3,900 shares | $395,733 |
| GENTEX CORP | CALL | 371901909 | CALL | 18,200 shares | $395,668 |
| WESCO INTL INC | PUT | 95082P955 | PUT | 1,100 shares | $395,549 |
| MAGNOLIA OIL & GAS CORP | COM | 559663109 | — | 16,811 shares | $394,890 |
| CAMDEN PPTY TR | COM | 133131102 | — | 4,081 shares | $394,755 |
| PROSHARES TR | PUT | 74347B959 | PUT | 17,700 shares | $394,179 |
| VISHAY PRECISION GROUP INC | COM | 92835K103 | — | 5,419 shares | $394,178 |
| HYLIION HOLDINGS CORP | CALL | 449109907 | CALL | 94,500 shares | $394,065 |
| CANNAE HLDGS INC | COM | 13765N107 | — | 25,687 shares | $394,038 |
| CROCS INC | COM | 227046109 | — | 3,358 shares | $393,926 |
| BRINKS CO | CALL | 109696904 | CALL | 3,900 shares | $393,861 |
| CHURCHILL DOWNS INC | CALL | 171484908 | CALL | 5,200 shares | $393,536 |
| NCINO INC | CALL | 63947X901 | CALL | 21,700 shares | $393,421 |
| CHARGEPOINT HOLDINGS INC | COM | 15961R303 | — | 38,926 shares | $392,374 |
| M & T BK CORP | PUT | 55261F954 | PUT | 1,800 shares | $391,680 |
| ALGOMA STL GROUP INC | COM | 015658107 | — | 93,795 shares | $391,125 |
| MAREX GROUP LTD | CALL | G5T40M904 | CALL | 5,600 shares | $390,656 |
| VANGUARD SCOTTSDALE FDS | CALL | 92206C900 | CALL | 5,700 shares | $390,450 |
| CG ONCOLOGY INC | CALL | 156944900 | CALL | 5,500 shares | $389,895 |
| PERMA-FIX ENVIRONMENTAL SVCS | PUT | 714157953 | PUT | 24,900 shares | $389,685 |
| LIQUIDIA CORPORATION | COM | 53635D202 | — | 12,876 shares | $389,627 |
| STRIDE INC | COM | 86333M108 | — | 4,986 shares | $388,808 |
| YORK SPACE SYSTEMS INC | CALL | 987084900 | CALL | 44,900 shares | $388,385 |
| GENWORTH FINL INC | COM | 37247D106 | — | 43,285 shares | $388,266 |
| TEEKAY TANKERS LTD | CALL | G8726X906 | CALL | 4,000 shares | $388,240 |
| INSMED INC | PUT | 457669957 | PUT | 3,400 shares | $388,076 |
| ETORO GROUP LTD | PUT | G32089957 | PUT | 15,100 shares | $388,070 |
| PROGYNY INC | CALL | 74340E903 | CALL | 15,400 shares | $387,926 |
| NETEASE COM INC | CALL | 64110W902 | CALL | 3,200 shares | $387,712 |
| ZEVRA THERAPEUTICS INC | PUT | 488445956 | PUT | 35,300 shares | $387,241 |
| SEABRIDGE GOLD INC | PUT | 811927952 | PUT | 35,700 shares | $385,453 |
| FREEDOM HOLDING CORP | CALL | 356390904 | CALL | 2,300 shares | $384,790 |
| MIRUM PHARMACEUTICALS INC | PUT | 604749951 | PUT | 4,500 shares | $384,660 |
| PACCAR INC | PUT | 693718958 | PUT | 3,500 shares | $384,335 |
| POWER INTEGRATIONS INC | COM | 739276103 | — | 7,419 shares | $384,304 |
| BOWMAN CONSULTING GROUP LTD | CALL | 103002901 | CALL | 9,000 shares | $383,760 |
| WAVE LIFE SCIENCES INC | COM | 94352A104 | — | 103,673 shares | $383,590 |
| DIREXION SHARES ETF TRUST | PUT | 25460G956 | PUT | 3,500 shares | $383,250 |
| PROSHARES TR II | PUT | 74347Y958 | PUT | 22,600 shares | $382,844 |
| LIMBACH HLDGS INC | COM | 53263P105 | — | 7,823 shares | $382,779 |
| EASTMAN CHEM CO | PUT | 277432950 | PUT | 5,900 shares | $382,556 |
| PUBMATIC INC | COM | 74467Q103 | — | 20,420 shares | $382,466 |
| FOX CORP | PUT | 35137L954 | PUT | 6,100 shares | $382,165 |
| FUTUREFUEL CORP | COM | 36116M106 | — | 74,755 shares | $381,998 |
| EDGEWISE THERAPEUTICS INC | PUT | 28036F955 | PUT | 9,400 shares | $381,640 |
| AAON INC | COM | 000360206 | — | 4,611 shares | $381,606 |
| ADVISORSHARES TR | COM | 00768Y297 | — | 16,955 shares | $381,487 |
| DAKOTA GOLD CORP | PUT | 46655E950 | PUT | 62,600 shares | $381,234 |
| NEWMARKET CORP | COM | 651587107 | — | 424 shares | $380,548 |
| OXFORD INDS INC | COM | 691497309 | — | 15,547 shares | $379,968 |
| BITWISE XRP ETF | COM | 09174F107 | — | 22,833 shares | $379,712 |
| CONCENTRIX CORP | CALL | 20602D901 | CALL | 15,200 shares | $379,240 |
| UNITED STS GASOLINE FD LP | COM | 91201T102 | — | 2,585 shares | $379,167 |
| DISC MEDICINE INC | COM | 254604101 | — | 5,789 shares | $378,947 |
| ARBE ROBOTICS LTD | CALL | M1R95N900 | CALL | 610,800 shares | $378,696 |
| SM ENERGY COMPANY | PUT | 78454L950 | PUT | 11,200 shares | $378,336 |
| ASCENT INDUSTRIES CO | PUT | 871565957 | PUT | 26,800 shares | $377,880 |
| CHURCHILL DOWNS INC | COM | 171484108 | — | 4,990 shares | $377,643 |
| PROPETRO HLDG CORP | CALL | 74347M908 | CALL | 42,700 shares | $377,468 |
| BLACK STONE MINERALS L P | PUT | 09225M951 | PUT | 26,300 shares | $376,616 |
| NEOS ETF TRUST | CALL | 78433H905 | CALL | 7,500 shares | $376,575 |
| DEFI DEVELOPMENT CORP | PUT | 47100L951 | PUT | 208,300 shares | $376,437 |
| RAYONIER INC | CALL | 754907903 | CALL | 20,500 shares | $376,380 |
| VS TRUST | PUT | 92891H955 | PUT | 13,100 shares | $376,363 |
| HYLIION HOLDINGS CORP | PUT | 449109957 | PUT | 90,200 shares | $376,134 |
| NIQ GLOBAL INTELLIGENCE PLC | CALL | G63755905 | CALL | 22,100 shares | $375,921 |
| W & T OFFSHORE INC | CALL | 92922P906 | CALL | 105,300 shares | $375,921 |
| SPORTRADAR GROUP AG | COM | H8088L103 | — | 32,512 shares | $375,838 |
| IMMUNOCORE HLDGS PLC | PUT | 45258D955 | PUT | 12,400 shares | $375,596 |
| EVERFORTH INC | PUT | 00191U952 | PUT | 11,400 shares | $375,059 |
| NORTHERN DYNASTY MINERALS LT | COM | 66510M204 | — | 273,484 shares | $374,673 |
| INVESCO EXCH TRADED FD TR II | COM | 46138G474 | — | 6,498 shares | $374,544 |