← 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) |
|---|---|---|---|---|---|
| MAPLIGHT THERAPEUTICS INC | COM | 56565P103 | — | 1,456 shares | $14,836 |
| ARXIS INC | PUT | 04339D955 | PUT | 300 shares | $14,817 |
| WARRIOR MET COAL INC | COM | 93627C101 | — | 168 shares | $14,795 |
| MELCO RESORTS AND ENTMNT LTD | PUT | 585464950 | PUT | 3,300 shares | $14,784 |
| CONTINEUM THERAPEUTICS INC | PUT | 21217B950 | PUT | 1,100 shares | $14,762 |
| PROSHARES TR | COM | 74347G143 | — | 320 shares | $14,761 |
| ISHARES TR | PUT | 46434V956 | PUT | 200 shares | $14,740 |
| KRANESHARES TRUST | COM | 500767330 | — | 3,254 shares | $14,740 |
| GRANITESHARES ETF TR | COM | 38747R546 | — | 970 shares | $14,724 |
| ADVISORSHARES TR | PUT | 00768Y950 | PUT | 6,200 shares | $14,694 |
| DIREXION SHARES ETF TRUST | COM | 25461A171 | — | 583 shares | $14,691 |
| SIMPLIFY EXCHANGE TRADED FUN | COM | 82889N657 | — | 771 shares | $14,679 |
| INVESCO EXCHANGE TRADED FD T | CALL | 46137V906 | CALL | 100 shares | $14,675 |
| RBB FD INC | PUT | 74933W951 | PUT | 400 shares | $14,644 |
| UPBOUND GROUP INC | COM | 76009N100 | — | 932 shares | $14,632 |
| FLOWSERVE CORP | PUT | 34354P955 | PUT | 200 shares | $14,624 |
| CALERES INC | PUT | 129500954 | PUT | 1,200 shares | $14,616 |
| ARES COML REAL ESTATE CORP | PUT | 04013V958 | PUT | 3,800 shares | $14,592 |
| WISDOMTREE INC | PUT | 97717P954 | PUT | 600 shares | $14,573 |
| VANGUARD BD INDEX FDS | CALL | 921937905 | CALL | 200 shares | $14,572 |
| ACHIEVE LIFE SCIENCE INC | PUT | 004468950 | PUT | 1,800 shares | $14,562 |
| DIREXION SHARES ETF TRUST | COM | 25460E737 | — | 196 shares | $14,543 |
| INDEPENDENCE RLTY TR INC | PUT | 45378A956 | PUT | 1,000 shares | $14,530 |
| GLOBAL SELF STORAGE INC | COM | 37955N106 | — | 2,959 shares | $14,528 |
| LISTED FDS TR | CALL | 53656G908 | CALL | 700 shares | $14,496 |
| KAISER ALUMINIUM CORPORATION | CALL | 483007904 | CALL | 100 shares | $14,482 |
| USANA HEALTH SCIENCES INC | PUT | 90328M957 | PUT | 1,000 shares | $14,470 |
| ISHARES TR | COM | 46435G474 | — | 558 shares | $14,468 |
| PROSHARES TR | CALL | 74347B909 | CALL | 200 shares | $14,344 |
| NEWS CORP NEW | PUT | 65249B958 | PUT | 500 shares | $14,325 |
| ARK ETF TR | PUT | 00214Q957 | PUT | 500 shares | $14,280 |
| DIANA SHIPPING INC | COM | Y2066G104 | — | 5,180 shares | $14,245 |
| XTEND AI ROBOTICS INC | PUT | 98387C950 | PUT | 4,000 shares | $14,240 |
| TERRA INNOVATUM GLOBAL NV | PUT | N85083958 | PUT | 4,200 shares | $14,238 |
| GLOBAL X FDS | CALL | 37954Y909 | CALL | 500 shares | $14,230 |
| FIRST TR EXCHANGE-TRADED FD | PUT | 33733E956 | PUT | 700 shares | $14,224 |
| PYXIS ONCOLOGY INC | CALL | 747324901 | CALL | 6,100 shares | $14,213 |
| SPDR SERIES TRUST | COM | 78464A532 | — | 145 shares | $14,198 |
| HEALTHCARE RLTY TR | CALL | 42226K905 | CALL | 800 shares | $14,191 |
| ONITY GROUP INC | CALL | 675746906 | CALL | 500 shares | $14,164 |
| INGEVITY CORP | CALL | 45688C907 | CALL | 200 shares | $14,150 |
| THEMES ETF TR | CALL | 88340C903 | CALL | 500 shares | $14,133 |
| CALEDONIA MNG CORP | PUT | G1757E953 | PUT | 600 shares | $14,123 |
| ETF OPPORTUNITIES TRUST | CALL | 26923N905 | CALL | 200 shares | $14,104 |
| HOME BANCSHARES INC | CALL | 436893900 | CALL | 500 shares | $14,090 |
| PRECISION BIOSCIENCES INC | COM | 74019P207 | — | 2,247 shares | $14,066 |
| Q32 BIO INC | PUT | 746964955 | PUT | 1,700 shares | $14,059 |
| EVOMMUNE INC | CALL | 30054Y907 | CALL | 1,700 shares | $14,042 |
| ARTIVA BIOTHERAPEUTICS INC | COM | 04317A107 | — | 1,971 shares | $14,033 |
| ETFIS SER TR I | PUT | 26923G952 | PUT | 300 shares | $14,019 |
| ISHARES INC | COM | 464286780 | — | 219 shares | $14,011 |
| THEMES ETF TR | CALL | 882927904 | CALL | 700 shares | $13,967 |
| DISTRIBUTION SOLUTIONS GRP I | PUT | 520776955 | PUT | 400 shares | $13,960 |
| DNOW INC | CALL | 67011P900 | CALL | 900 shares | $13,950 |
| CECO ENVIRONMENTAL CORP | CALL | 125141901 | CALL | 200 shares | $13,928 |
| CECO ENVIRONMENTAL CORP | PUT | 125141951 | PUT | 200 shares | $13,928 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152A909 | CALL | 800 shares | $13,928 |
| CAPITAL-FORCE ETF TR | CALL | 14016P906 | CALL | 400 shares | $13,924 |
| SAN JUAN BASIN RTY TR | CALL | 798241905 | CALL | 3,800 shares | $13,870 |
| MASTERCRAFT BOAT HLDGS INC | CALL | 57637H903 | CALL | 700 shares | $13,860 |
| ARK ETF TR | COM | 00214Q708 | — | 304 shares | $13,841 |
| COMMUNITY HEALTH SYS INC NEW | COM | 203668108 | — | 4,838 shares | $13,836 |
| AMPLIFY ETF TR | PUT | 032108958 | PUT | 500 shares | $13,832 |
| BRIXMOR PPTY GROUP INC | PUT | 11120U955 | PUT | 500 shares | $13,800 |
| TRX GOLD CORPORATION | PUT | 87283P959 | PUT | 11,400 shares | $13,794 |
| UNITED BANKSHARES INC WEST V | PUT | 909907957 | PUT | 300 shares | $13,782 |
| PRESTIGE CONSMR HEALTHCARE I | CALL | 74112D901 | CALL | 300 shares | $13,761 |
| SPDR SERIES TRUST | PUT | 78464A958 | PUT | 500 shares | $13,744 |
| NPK INTERNATIONAL INC | CALL | 651718904 | CALL | 1,200 shares | $13,704 |
| FIRST TR EXCHANGE TRADED FD | COM | 33738R852 | — | 650 shares | $13,702 |
| ISHARES TR | PUT | 464289955 | PUT | 300 shares | $13,698 |
| MASTERCRAFT BOAT HLDGS INC | COM | 57637H103 | — | 691 shares | $13,681 |
| GRANITESHARES ETF TR | PUT | 38747T950 | PUT | 700 shares | $13,667 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152N904 | CALL | 1,300 shares | $13,663 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152N904 | CALL | 5,000 shares | $13,635 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 1,600 shares | $13,632 |
| CLEAR CHANNEL OUTDOOR HLDGS | CALL | 18453H906 | CALL | 5,800 shares | $13,630 |
| ARDENT HEALTH INC | COM | 03980N107 | — | 1,318 shares | $13,628 |
| OMNICELL COM | PUT | 68213N959 | PUT | 400 shares | $13,619 |
| KORNIT DIGITAL LTD | COM | M6372Q113 | — | 819 shares | $13,611 |
| SPDR SERIES TRUST | PUT | 78468R957 | PUT | 300 shares | $13,611 |
| SCHMID GROUP N.V. | PUT | N68722952 | PUT | 2,800 shares | $13,608 |
| HNI CORP | PUT | 404251950 | PUT | 300 shares | $13,596 |
| KRANESHARES TRUST | CALL | 500767906 | CALL | 3,000 shares | $13,590 |
| GALECTIN THERAPEUTICS INC | PUT | 363225952 | PUT | 3,500 shares | $13,580 |
| ROUNDHILL ETF TRUST | CALL | 77926X902 | CALL | 300 shares | $13,575 |
| 908 DEVICES INC | CALL | 65443P902 | CALL | 1,100 shares | $13,574 |
| NEURONETICS INC | PUT | 64131A955 | PUT | 5,800 shares | $13,572 |
| NEOS ETF TRUST | CALL | 78433H905 | CALL | 300 shares | $13,563 |
| ISHARES INC | CALL | 464286901 | CALL | 200 shares | $13,550 |
| CURIOSITYSTREAM INC | COM | 23130Q107 | — | 4,654 shares | $13,543 |
| LYELL IMMUNOPHARMA INC | COM | 55083R203 | — | 1,383 shares | $13,539 |
| ISHARES INC | PUT | 464286951 | PUT | 400 shares | $13,520 |
| M/I HOMES INC | PUT | 55305B951 | PUT | 100 shares | $13,513 |
| ADVISORSHARES TR | CALL | 00768Y900 | CALL | 600 shares | $13,500 |
| PROTALIX BIOTHERAPEUTICS INC | COM | 74365A309 | — | 4,891 shares | $13,499 |
| GOODRX HLDGS INC | CALL | 38246G908 | CALL | 4,100 shares | $13,489 |
| ZENAS BIOPHARMA INC | CALL | 98937L905 | CALL | 500 shares | $13,485 |
| SUI GROUP HOLDINGS LIMITED | COM | 59982U200 | — | 8,642 shares | $13,481 |
| STANTEC INC | CALL | 85472N909 | CALL | 200 shares | $13,472 |