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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) |
|---|---|---|---|---|---|
| NEW YORK TIMES CO MTN BE | PUT | 650111957 | PUT | 2,700 shares | $171,990 |
| INNOVIVA INC | CALL | 45781M901 | CALL | 8,100 shares | $171,801 |
| NIOCORP DEVS LTD | PUT | 654484959 | PUT | 47,700 shares | $171,720 |
| CYBIN INC | COM | 23256X407 | — | 13,963 shares | $171,605 |
| DUOS TECHNOLOGIES GROUP INC | COM | 266042407 | — | 19,407 shares | $171,557 |
| MEDALLION FINANCIAL CORP | CALL | 583928906 | CALL | 14,400 shares | $171,216 |
| LISTED FDS TR | COM | 53656H595 | — | 4,905 shares | $170,841 |
| TANDEM DIABETES CARE INC | COM | 875372203 | — | 10,450 shares | $170,439 |
| VITESSE ENERGY INC | CALL | 92852X903 | CALL | 10,200 shares | $170,340 |
| BRIGHTSPRING HEALTH SVCS INC | PUT | 10950A956 | PUT | 3,000 shares | $170,250 |
| ADT INC DEL | CALL | 00090Q903 | CALL | 28,000 shares | $170,240 |
| ISHARES TR | CALL | 464287907 | CALL | 1,800 shares | $170,172 |
| GLOBAL NET LEASE INC | CALL | 379378901 | CALL | 20,600 shares | $170,156 |
| ISHARES TR | COM | 464289131 | — | 12,783 shares | $170,154 |
| INHIBRX BIOSCIENCES INC | CALL | 45720N903 | CALL | 1,700 shares | $170,136 |
| NETSCOUT SYS INC | COM | 64115T104 | — | 4,233 shares | $170,081 |
| VENTAS INC | PUT | 92276F950 | PUT | 2,000 shares | $170,040 |
| CLEARWAY ENERGY INC | CALL | 18539C904 | CALL | 5,800 shares | $169,766 |
| COURSERA INC | COM | 22266M104 | — | 34,223 shares | $169,746 |
| BRIGHTHOUSE FINL INC | PUT | 10922N953 | PUT | 3,400 shares | $169,660 |
| ALBERTSONS COMPANIES INC | PUT | 013091953 | PUT | 14,600 shares | $169,506 |
| JERSEY MIKES SUBS INC | COM | 47668J102 | — | 10,077 shares | $169,495 |
| INVESTMENT MANAGERS SER TR I | CALL | 46092D906 | CALL | 24,700 shares | $169,442 |
| HARROW INC | PUT | 415858959 | PUT | 5,500 shares | $169,400 |
| OMNIAB INC | CALL | 68218J903 | CALL | 34,100 shares | $169,136 |
| FREQUENCY ELECTRS INC | PUT | 358010956 | PUT | 2,000 shares | $169,060 |
| AVIENT CORPORATION | PUT | 05368V956 | PUT | 4,200 shares | $169,050 |
| TABOOLA.COM LTD | CALL | M8744T906 | CALL | 50,300 shares | $169,008 |
| LENNOX INTL INC | COM | 526107107 | — | 476 shares | $168,989 |
| SAILPOINT INC | CALL | 78781J909 | CALL | 8,300 shares | $168,988 |
| COLUMBUS MCKINNON CORP N Y | PUT | 199333955 | PUT | 10,600 shares | $168,858 |
| BERKLEY W R CORP | CALL | 084423902 | CALL | 2,500 shares | $168,850 |
| ACCO BRANDS CORP | CALL | 00081T908 | CALL | 40,200 shares | $168,840 |
| BROOKFIELD RENEWABLE ENERGY | PUT | G16258958 | PUT | 6,000 shares | $168,840 |
| ISHARES TR | CALL | 46429B907 | CALL | 7,700 shares | $168,399 |
| DIREXION SHARES ETF TRUST | PUT | 25459W952 | PUT | 20,300 shares | $168,286 |
| BROOKFIELD ASSET MANAGMT LTD | COM | 113004105 | — | 3,772 shares | $168,155 |
| STONEX GROUP INC | PUT | 861896958 | PUT | 2,600 shares | $168,064 |
| GLOBAL X FDS | CALL | 37954Y909 | CALL | 3,200 shares | $168,000 |
| USANA HEALTH SCIENCES INC | CALL | 90328M907 | CALL | 11,600 shares | $167,852 |
| VANECK ETF TRUST | COM | 92189F411 | — | 13,019 shares | $167,814 |
| INNOVATIVE INDL PPTYS INC | COM | 45781V101 | — | 3,185 shares | $167,785 |
| TIDAL TRUST II | PUT | 88636Y958 | PUT | 18,400 shares | $167,624 |
| DYNE THERAPEUTICS INC | CALL | 26818M908 | CALL | 10,400 shares | $167,544 |
| BICARA THERAPEUTICS INC | PUT | 055477953 | PUT | 9,000 shares | $167,490 |
| CABALETTA BIO INC | PUT | 12674W959 | PUT | 87,100 shares | $167,232 |
| GLOBAL X FDS | PUT | 37954Y959 | PUT | 3,800 shares | $167,196 |
| CHEWY INC | COM | 16679L109 | — | 9,180 shares | $167,076 |
| NEW ORIENTAL ED & TECHNOLOGY | PUT | 647581956 | PUT | 3,000 shares | $166,470 |
| LIBERTY MEDIA CORP DEL | PUT | 531229951 | PUT | 1,800 shares | $166,320 |
| CARTERS INC | COM | 146229109 | — | 5,311 shares | $166,287 |
| YORK SPACE SYSTEMS INC | PUT | 987084950 | PUT | 19,200 shares | $166,080 |
| GRAHAM CORP | COM | 384556106 | — | 1,919 shares | $165,628 |
| INVESTMENT MANAGERS SER TR I | CALL | 46092D906 | CALL | 6,100 shares | $165,615 |
| BANK OF HI CORP | PUT | 062540959 | PUT | 2,400 shares | $165,408 |
| LIBERTY LIVE HOLDINGS INC | CALL | 530909908 | CALL | 1,700 shares | $165,325 |
| INVESTMENT MANAGERS SER TR I | CALL | 46092D906 | CALL | 13,000 shares | $165,230 |
| OCEANAGOLD CORP | PUT | 675222950 | PUT | 6,000 shares | $165,180 |
| REPAY HLDGS CORP | CALL | 76029L900 | CALL | 45,600 shares | $165,072 |
| AKEBIA THREAPEUTICS INC | CALL | 00972D905 | CALL | 179,400 shares | $165,048 |
| ZENTALIS PHARMACEUTICALS INC | COM | 98943L107 | — | 59,536 shares | $164,914 |
| NET POWER INC | CALL | 64107A905 | CALL | 110,600 shares | $164,794 |
| WAYSTAR HLDG CORP | PUT | 946784955 | PUT | 6,500 shares | $164,710 |
| NEOS ETF TRUST | PUT | 78433H955 | PUT | 3,400 shares | $164,288 |
| AMERICAN FINANCIAL GROUP INC | CALL | 025932904 | CALL | 1,200 shares | $164,112 |
| VINFAST AUTO LTD | CALL | Y9390M903 | CALL | 52,600 shares | $164,112 |
| ADS TEC ENERGY PLC | PUT | G0085J957 | PUT | 14,900 shares | $163,900 |
| FORTUNE BRANDS INNOVATIONS I | PUT | 34964C956 | PUT | 4,300 shares | $163,615 |
| GLOBAL SHIP LEASE INC | CALL | Y27183900 | CALL | 3,700 shares | $163,318 |
| ZAI LAB LTD | CALL | 98887Q904 | CALL | 6,200 shares | $163,308 |
| CURTISS WRIGHT CORP | PUT | 231561951 | PUT | 300 shares | $163,146 |
| HILTON GRAND VACATIONS INC | CALL | 43283X905 | CALL | 4,700 shares | $162,902 |
| TELEPHONE & DATA SYS INC | CALL | 879433909 | CALL | 4,800 shares | $162,816 |
| CUSTOMERS BANCORP INC | PUT | 23204G950 | PUT | 2,200 shares | $162,800 |
| RUSH STREET INTERACTIVE INC | PUT | 782011950 | PUT | 8,000 shares | $162,639 |
| FARADAY FUTURE INTLGT ELEC I | CALL | 307359905 | CALL | 134,400 shares | $162,624 |
| TEEKAY CORPORATION LTD | PUT | G8726T955 | PUT | 11,400 shares | $162,450 |
| NISOURCE INC | COM | 65473P105 | — | 4,163 shares | $162,357 |
| GRANITE CONSTR INC | PUT | 387328957 | PUT | 1,400 shares | $162,274 |
| KRANESHARES TRUST | PUT | 500767956 | PUT | 7,300 shares | $162,060 |
| MANULIFE FINL CORP | CALL | 56501R906 | CALL | 3,800 shares | $161,842 |
| CMB.TECH NV | COM | B38564108 | — | 8,549 shares | $161,832 |
| SILENCE THERAPEUTICS PLC | CALL | 82686Q901 | CALL | 14,800 shares | $161,764 |
| KYNDRYL HLDGS INC | COM | 50155Q100 | — | 14,366 shares | $161,761 |
| ITT INC | PUT | 45073V958 | PUT | 800 shares | $161,456 |
| EXCHANGE LISTED FDS TR | PUT | 30151E958 | PUT | 3,900 shares | $161,421 |
| SNAP ON INC | COM | 833034101 | — | 444 shares | $161,327 |
| MATTHEWS INTL CORP | PUT | 577128951 | PUT | 8,400 shares | $161,196 |
| LEONARDO DRS INC | PUT | 52661A958 | PUT | 4,400 shares | $161,172 |
| LANDSTAR SYS INC | COM | 515098101 | — | 953 shares | $160,718 |
| CASELLA WASTE SYS INC | PUT | 147448954 | PUT | 2,000 shares | $160,700 |
| ABIVAX SA | COM | 00370M103 | — | 1,620 shares | $160,412 |
| VERRA MOBILITY CORP | PUT | 92511U952 | PUT | 51,700 shares | $160,270 |
| DIREXION SHARES ETF TRUST | PUT | 25460G956 | PUT | 16,900 shares | $160,212 |
| CHURCH & DWIGHT CO INC | PUT | 171340952 | PUT | 1,700 shares | $160,174 |
| GLOO HOLDINGS INC | CALL | 379598905 | CALL | 37,400 shares | $160,072 |
| PURECYCLE TECHNOLOGIES INC | COM | 74623V103 | — | 36,294 shares | $160,056 |
| LOAR HOLDINGS INC | PUT | 53947R955 | PUT | 2,600 shares | $159,952 |
| PACER FDS TR | CALL | 69374H901 | CALL | 3,000 shares | $159,840 |
| DORCHESTER MINERALS L P | PUT | 25820R955 | PUT | 5,700 shares | $159,828 |