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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) |
|---|---|---|---|---|---|
| PATTERN GROUP INC | COM | 70339W104 | — | 2,318 shares | $39,776 |
| MANHATTAN ASSOCIATES INC | PUT | 562750959 | PUT | 200 shares | $39,740 |
| ARTISAN PARTNERS ASSET MGMT | CALL | 04316A908 | CALL | 1,100 shares | $39,732 |
| SAVARA INC | CALL | 805111901 | CALL | 7,700 shares | $39,732 |
| VISTEON CORP | COM | 92839U206 | — | 458 shares | $39,699 |
| DIAMEDICA THERAPEUTICS INC | CALL | 25253X907 | CALL | 4,800 shares | $39,696 |
| INVESTMENT MANAGERS SER TR I | COM | 46092D673 | — | 1,459 shares | $39,611 |
| ISHARES TR | COM | 46434V761 | — | 1,973 shares | $39,598 |
| F N B CORP | CALL | 302520901 | CALL | 2,300 shares | $39,583 |
| SELECT WATER SOLUTIONS INC | CALL | 81617J901 | CALL | 2,000 shares | $39,580 |
| SELECT WATER SOLUTIONS INC | PUT | 81617J951 | PUT | 2,000 shares | $39,579 |
| MFA FINL INC | COM | 55272X607 | — | 5,036 shares | $39,532 |
| NORTHWEST NAT HLDG CO | COM | 66765N105 | — | 846 shares | $39,482 |
| STAG INDUSTRIAL INC | CALL | 85254J902 | CALL | 1,100 shares | $39,391 |
| UL SOLUTIONS INC | PUT | 903731957 | PUT | 600 shares | $39,372 |
| WEATHERFORD INTL PLC | PUT | G48833958 | PUT | 500 shares | $39,340 |
| STAGWELL INC | PUT | 85256A959 | PUT | 4,800 shares | $39,072 |
| PULMONX CORP | CALL | 745848901 | CALL | 20,400 shares | $38,964 |
| PAMPA ENERGIA SA | CALL | 697660907 | CALL | 500 shares | $38,885 |
| DIREXION SHARES ETF TRUST | CALL | 25459Y906 | CALL | 300 shares | $38,847 |
| JACKSON FINANCIAL INC | PUT | 46817M957 | PUT | 300 shares | $38,796 |
| IMMIX BIOPHARMA INC | COM | 45258H106 | — | 3,722 shares | $38,727 |
| BAR HBR BANKSHARES | CALL | 066849900 | CALL | 1,000 shares | $38,690 |
| ORTHOFIX MED INC | PUT | 68752M958 | PUT | 4,100 shares | $38,581 |
| STOCK YDS BANCORP INC | CALL | 861025904 | CALL | 500 shares | $38,545 |
| SS&C TECH HLDGS | PUT | 78467J950 | PUT | 500 shares | $38,535 |
| STRATEGIC ED INC | COM | 86272C103 | — | 496 shares | $38,524 |
| ESTABLISHMENT LABS HLDGS INC | PUT | G31249958 | PUT | 600 shares | $38,502 |
| NOVABRIDGE BIOSCIENCES | CALL | 44975P903 | CALL | 28,200 shares | $38,493 |
| KRISPY KREME INC | PUT | 50101L956 | PUT | 13,400 shares | $38,458 |
| INGRAM MICRO HLDG CORP | COM | 457152106 | — | 1,434 shares | $38,445 |
| GRANITESHARES ETF TR | PUT | 38747T950 | PUT | 2,000 shares | $38,420 |
| SILVIA INC | PUT | 74277P955 | PUT | 9,900 shares | $38,362 |
| KOREA ELEC PWR CORP | PUT | 500631956 | PUT | 3,500 shares | $38,360 |
| UWM HOLDINGS CORPORATION | PUT | 91823B959 | PUT | 32,300 shares | $38,114 |
| GULFPORT ENERGY CORP | COM | 402635502 | — | 253 shares | $38,071 |
| COMMERCIAL METALS CO | COM | 201723103 | — | 613 shares | $38,067 |
| TIDAL TRUST II | CALL | 88636R903 | CALL | 1,500 shares | $38,055 |
| CAPITAL GROUP DIVIDEND VALUE | COM | 14020W106 | — | 779 shares | $38,054 |
| IRSA INVERSIONES Y REP S A | COM | 450047303 | — | 2,731 shares | $38,015 |
| UPSTREAM BIO INC | PUT | 91678A957 | PUT | 7,200 shares | $37,944 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 1,000 shares | $37,860 |
| VOYA FINANCIAL INC | PUT | 929089950 | PUT | 400 shares | $37,792 |
| WSFS FINL CORP | CALL | 929328902 | CALL | 500 shares | $37,785 |
| PERMIAN BASIN RTY TR | PUT | 714236956 | PUT | 1,200 shares | $37,776 |
| BIO RAD LABS INC | CALL | 090572907 | CALL | 100 shares | $37,771 |
| HAWKEYE 360 INC | CALL | 420201905 | CALL | 2,500 shares | $37,750 |
| GALECTIN THERAPEUTICS INC | COM | 363225202 | — | 9,720 shares | $37,713 |
| GRANITESHARES ETF TR | COM | 38747R744 | — | 1,179 shares | $37,687 |
| ENCORE ENERGY CORP | PUT | 29259W950 | PUT | 20,600 shares | $37,627 |
| NATIONAL FUEL GAS CO | COM | 636180101 | — | 496 shares | $37,626 |
| KASPI KZ JSC | CALL | 48581R905 | CALL | 400 shares | $37,624 |
| SONIDA SENIOR LIVING INC | CALL | 140475903 | CALL | 1,000 shares | $37,580 |
| GRANITESHARES ETF TR | CALL | 38747T900 | CALL | 5,300 shares | $37,577 |
| CARTERS INC | CALL | 146229909 | CALL | 1,200 shares | $37,572 |
| ISHARES TR | CALL | 464288905 | CALL | 400 shares | $37,556 |
| FATE THERAPEUTICS INC | CALL | 31189P902 | CALL | 15,800 shares | $37,446 |
| FULGENT GENETICS INC | PUT | 359664959 | PUT | 1,700 shares | $37,434 |
| UNIVERSAL HEALTH RLTY INCOME | PUT | 91359E955 | PUT | 1,000 shares | $37,390 |
| SOMNIGROUP INTERNATIONAL INC | COM | 88023U101 | — | 601 shares | $37,328 |
| PROSHARES TR | CALL | 74349Y907 | CALL | 1,500 shares | $37,230 |
| UNITIL CORP | COM | 913259107 | — | 733 shares | $37,207 |
| NOMAD FOODS LTD | PUT | G6564A955 | PUT | 3,600 shares | $37,188 |
| TIDAL TRUST II | PUT | 88636X950 | PUT | 2,400 shares | $37,176 |
| FIRY INC | COM | 83067L208 | — | 2,999 shares | $37,157 |
| JINKOSOLAR HLDG CO LTD | CALL | 47759T900 | CALL | 3,900 shares | $37,089 |
| PROSHARES TR | COM | 74350P386 | — | 904 shares | $37,009 |
| DYNE THERAPEUTICS INC | COM | 26818M108 | — | 2,297 shares | $37,004 |
| BROADSTONE NET LEASE INC | CALL | 11135E903 | CALL | 2,000 shares | $37,000 |
| WILLDAN GROUP INC | PUT | 96924N950 | PUT | 500 shares | $36,940 |
| TELESAT CORP | CALL | 879512909 | CALL | 800 shares | $36,912 |
| TELESAT CORP | PUT | 879512959 | PUT | 800 shares | $36,912 |
| POLYPID LTD | PUT | M8001Q956 | PUT | 7,000 shares | $36,890 |
| KENNAMETAL INC | CALL | 489170900 | CALL | 1,200 shares | $36,888 |
| FILANA THERAPEUTICS INC | CALL | 14817C907 | CALL | 41,600 shares | $36,857 |
| PERIMETER SOLUTIONS INC | PUT | 71385M957 | PUT | 1,400 shares | $36,848 |
| BBB FOODS INC | CALL | G0896C903 | CALL | 700 shares | $36,848 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 600 shares | $36,792 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 1,400 shares | $36,778 |
| PROSHARES TR | COM | 74349Y704 | — | 2,421 shares | $36,774 |
| NEWTEKONE INC | PUT | 652526953 | PUT | 3,300 shares | $36,729 |
| GETTY RLTY CORP NEW | PUT | 374297959 | PUT | 1,300 shares | $36,712 |
| ENERSYS | CALL | 29275Y902 | CALL | 200 shares | $36,706 |
| DINE BRANDS GLOBAL INC | COM | 254423106 | — | 1,318 shares | $36,679 |
| EXPENSIFY INC | CALL | 30219Q906 | CALL | 16,300 shares | $36,675 |
| COVISTA INC | CALL | 00737L903 | CALL | 300 shares | $36,660 |
| HOMETRUST BANCSHARES INC | CALL | 437872904 | CALL | 800 shares | $36,616 |
| BROADRIDGE FINL SOLUTIONS IN | COM | 11133T103 | — | 227 shares | $36,569 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 1,600 shares | $36,544 |
| GEOPARK LTD | COM | G38327105 | — | 3,495 shares | $36,522 |
| ETF OPPORTUNITIES TRUST | CALL | 26923N905 | CALL | 3,000 shares | $36,450 |
| TETRA TECH INC NEW | COM | 88162G103 | — | 1,106 shares | $36,442 |
| STOKE THERAPEUTICS INC | PUT | 86150R957 | PUT | 1,400 shares | $36,400 |
| GRANITESHARES ETF TR | COM | 38747R710 | — | 1,728 shares | $36,391 |
| MUELLER INDS INC | PUT | 624756952 | PUT | 600 shares | $36,366 |
| TIDAL TRUST II | PUT | 88636R953 | PUT | 2,300 shares | $36,363 |
| SNAP ON INC | PUT | 833034951 | PUT | 100 shares | $36,335 |
| THEMES ETF TR | CALL | 882927904 | CALL | 4,600 shares | $36,294 |
| MGIC INVT CORP WIS | PUT | 552848953 | PUT | 1,400 shares | $36,176 |
| COMPASS THERAPEUTICS INC | COM | 20454B104 | — | 34,775 shares | $36,166 |