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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) |
|---|---|---|---|---|---|
| AC IMMUNE SA | PUT | H00263955 | PUT | 500 shares | $1,310 |
| SOLANA CO | PUT | 42328V956 | PUT | 500 shares | $1,310 |
| CONTROLADORA VUELA COMP DE A | CALL | 21240E905 | CALL | 200 shares | $1,310 |
| EHEALTH INC | COM | 28238P109 | — | 1,844 shares | $1,309 |
| PROFRAC HLDG CORP | CALL | 74319N900 | CALL | 300 shares | $1,302 |
| INVENTRUST PPTYS CORP | COM | 46124J201 | — | 43 shares | $1,296 |
| SOHU COM LTD | PUT | 83410S958 | PUT | 100 shares | $1,292 |
| INVESCO EXCH TRADED FD TR II | CALL | 46138E905 | CALL | 100 shares | $1,285 |
| STANDARD LITHIUM CORP | PUT | 853606951 | PUT | 700 shares | $1,281 |
| TURTLE BEACH CORP | PUT | 900450956 | PUT | 100 shares | $1,277 |
| NATURES SUNSHINE PRODS INC | PUT | 639027951 | PUT | 100 shares | $1,269 |
| RXSIGHT INC | COM | 78349D107 | — | 259 shares | $1,269 |
| SINCLAIR INC | CALL | 829242906 | CALL | 100 shares | $1,269 |
| INVESTMENT MANAGERS SER TR I | PUT | 46152N954 | PUT | 100 shares | $1,263 |
| DR REDDYS LABS LTD | PUT | 256135953 | PUT | 100 shares | $1,262 |
| FIRST TR EXCH TRADED FD III | COM | 33739E108 | — | 74 shares | $1,261 |
| GRANITESHARES ETF TR | COM | 38747R702 | — | 95 shares | $1,256 |
| SERA PROGNOSTICS INC | CALL | 81749D907 | CALL | 600 shares | $1,254 |
| ETF OPPORTUNITIES TRUST | PUT | 26923N955 | PUT | 300 shares | $1,251 |
| THEMES ETF TR | COM | 88340W616 | — | 500 shares | $1,247 |
| KKR REAL ESTATE FIN TR INC | PUT | 48251K950 | PUT | 200 shares | $1,242 |
| ATERIAN INC | PUT | 02156U950 | PUT | 2,100 shares | $1,231 |
| X4 PHARMACEUTICALS INC | COM | 98420X202 | — | 424 shares | $1,229 |
| JANUS INTERNATIONAL GROUP IN | CALL | 47103N906 | CALL | 300 shares | $1,227 |
| FIVE POINT HOLDINGS LLC | COM | 33833Q106 | — | 262 shares | $1,226 |
| VERSABANK NEW | COM | 92512J106 | — | 55 shares | $1,222 |
| TELOS CORP MD | PUT | 87969B951 | PUT | 300 shares | $1,221 |
| GROWGENERATION CORP | COM | 39986L109 | — | 812 shares | $1,218 |
| DOUGLAS ELLIMAN INC | CALL | 25961D905 | CALL | 800 shares | $1,216 |
| ELLINGTON CREDIT COMPANY | CALL | 288578907 | CALL | 300 shares | $1,212 |
| GRANITE RIDGE RESOURCES INC | COM | 387432107 | — | 278 shares | $1,206 |
| AFYA LTD | CALL | G01125906 | CALL | 100 shares | $1,204 |
| AFYA LTD | PUT | G01125956 | PUT | 100 shares | $1,204 |
| AIRGAIN INC | COM | 00938A104 | — | 242 shares | $1,200 |
| AGF INVTS TR | CALL | 00110G908 | CALL | 100 shares | $1,200 |
| 1STDIBS COM INC | PUT | 320551954 | PUT | 300 shares | $1,200 |
| ISHARES TR | COM | 464288844 | — | 45 shares | $1,193 |
| COMPUGEN LTD | CALL | M25722905 | CALL | 500 shares | $1,189 |
| GPGI INC | PUT | 20459V955 | PUT | 100 shares | $1,187 |
| TIDAL TRUST II | CALL | 88636V909 | CALL | 100 shares | $1,186 |
| TIDAL TRUST II | PUT | 88636V959 | PUT | 100 shares | $1,186 |
| GEVO INC | PUT | 374396956 | PUT | 900 shares | $1,183 |
| TIDAL TRUST II | CALL | 88634T901 | CALL | 100 shares | $1,176 |
| CORVEX INC | PUT | 62459M955 | PUT | 100 shares | $1,175 |
| PRELUDE THERAPEUTICS INC | PUT | 74065P951 | PUT | 300 shares | $1,173 |
| BARNES & NOBLE ED INC | PUT | 06777U950 | PUT | 100 shares | $1,159 |
| THEMES ETF TR | CALL | 88340C903 | CALL | 300 shares | $1,144 |
| KEROS THERAPEUTICS INC | CALL | 492327901 | CALL | 100 shares | $1,140 |
| POWERFLEET INC | PUT | 73931J959 | PUT | 400 shares | $1,136 |
| TIDAL TRUST II | CALL | 88636J906 | CALL | 100 shares | $1,134 |
| BEAM GLOBAL | PUT | 07373B959 | PUT | 1,000 shares | $1,130 |
| IPERIONX LTD | COM | 44916E100 | — | 67 shares | $1,126 |
| DIMENSIONAL ETF TRUST | COM | 25434V666 | — | 28 shares | $1,124 |
| GRANITESHARES ETF TR | PUT | 38747R954 | PUT | 200 shares | $1,122 |
| ATERIAN INC | CALL | 02156U900 | CALL | 1,900 shares | $1,114 |
| KAMADA LTD | COM | M6240T109 | — | 131 shares | $1,108 |
| GRAYSCALE DOGECOIN TR ETF | CALL | 389923903 | CALL | 100 shares | $1,105 |
| MIZUHO FINANCIAL GROUP INC | PUT | 60687Y959 | PUT | 100 shares | $1,105 |
| NANO LABS LTD | CALL | G6391Y908 | CALL | 500 shares | $1,105 |
| INVESTMENT MANAGERS SER TR I | PUT | 46092D956 | PUT | 200 shares | $1,100 |
| MEIRAGTX HLDGS PLC | CALL | G59665902 | CALL | 100 shares | $1,100 |
| TIDAL TRUST II | CALL | 88634T901 | CALL | 100 shares | $1,088 |
| FATHOM HOLDINGS INC | PUT | 31189V959 | PUT | 2,500 shares | $1,087 |
| SSGA ACTIVE ETF TR | COM | 78467V103 | — | 30 shares | $1,085 |
| FUNKO INC | PUT | 361008955 | PUT | 200 shares | $1,082 |
| DIREXION SHARES ETF TRUST | PUT | 25461H951 | PUT | 100 shares | $1,081 |
| INSIGHT MOLECULAR DIA INC | CALL | 68235C906 | CALL | 300 shares | $1,077 |
| INVESTMENT MANAGERS SER TR I | CALL | 46152N904 | CALL | 1,100 shares | $1,077 |
| TIDAL TRUST II | CALL | 88636Y908 | CALL | 100 shares | $1,070 |
| TIDAL TRUST II | PUT | 88636Y958 | PUT | 100 shares | $1,070 |
| THEMES ETF TR | PUT | 88340W958 | PUT | 500 shares | $1,063 |
| LISTED FDS TR | COM | 53656F383 | — | 22 shares | $1,060 |
| THREDUP INC | PUT | 88556E952 | PUT | 500 shares | $1,060 |
| FORRESTER RESH INC | COM | 346563109 | — | 92 shares | $1,058 |
| AARDVARK THERAPEUTICS INC | CALL | 002942900 | CALL | 200 shares | $1,054 |
| POLYPID LTD | CALL | M8001Q906 | CALL | 200 shares | $1,054 |
| OWLET INC | PUT | 69120X956 | PUT | 200 shares | $1,052 |
| DBX ETF TR | COM | 233051754 | — | 26 shares | $1,048 |
| PROSHARES TR | CALL | 74350P905 | CALL | 100 shares | $1,045 |
| COMPANIA CERVECERIAS UNIDAS | PUT | 204429954 | PUT | 100 shares | $1,043 |
| DEFI TECHNOLOGIES INC | PUT | 244916952 | PUT | 2,100 shares | $1,039 |
| NIAGEN BIOSCIENCE INC | COM | 171077407 | — | 353 shares | $1,030 |
| DIREXION SHARES ETF TRUST | CALL | 25461A904 | CALL | 100 shares | $1,029 |
| CARS COM INC | PUT | 14575E955 | PUT | 100 shares | $1,027 |
| VOC ENERGY TR | CALL | 91829B903 | CALL | 300 shares | $1,023 |
| RLX TECHNOLOGY INC | CALL | 74969N903 | CALL | 600 shares | $1,020 |
| WEREWOLF THERAPEUTICS INC | CALL | 95075A907 | CALL | 1,100 shares | $1,014 |
| FIRST TR EXCHANGE TRADED FD | COM | 33738R100 | — | 64 shares | $1,012 |
| CHEMED CORP NEW | COM | 16359R103 | — | 2 shares | $1,010 |
| PAYSAFE LIMITED | COM | G6964L206 | — | 179 shares | $1,007 |
| JBG SMITH PPTYS | CALL | 46590V900 | CALL | 100 shares | $1,003 |
| RESIDEO TECHNOLOGIES INC | CALL | 76118Y904 | CALL | 400 shares | $1,001 |
| DOUBLELINE INCOME SOLUTIONS | CALL | 258622909 | CALL | 100 shares | $1,000 |
| ETF OPPORTUNITIES TRUST | PUT | 26923Y954 | PUT | 100 shares | $1,000 |
| COINSHARES PLC | CALL | G670AQ904 | CALL | 200 shares | $994 |
| COINSHARES PLC | PUT | G670AQ954 | PUT | 200 shares | $994 |
| NORTHRIM BANCORP INC | COM | 666762109 | — | 41 shares | $993 |
| LUXEXPERIENCE BV | CALL | 55406W903 | CALL | 100 shares | $991 |
| SBC MED GROUP HLDGS INC | COM | 73245B107 | — | 200 shares | $987 |
| GILAT SATELLITE NETWORKS LTD | PUT | M51474958 | PUT | 100 shares | $986 |