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CSS LLC/IL
Period ended Jun 30, 2026 · Latest filing Aug 14, 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
- Jun 30, 2026: $2,568,508,626
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 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
- LUMENTUM HLDGS INC · NOTE 0.500% 6/1 · 55024UAF6 · principal: $245,587,763
- HEWLETT PACKARD ENTERPRISE C · 7.625 MAND CONV · 42824C208 · shares: $149,321,378
- ECHOSTAR CORP · NOTE 3.875%11/3 · 278768AB2 · principal: $137,438,497
- APOLLO GLOBAL MGMT INC · SER A MAND CNV · 03769M304 · shares: $82,814,266
- BANK OF AMER CORP · 7.25%CNV PFD L · 060505682 · shares: $63,279,573
- WOLFSPEED INC · NOTE 2.500% 6/1 · 977852AP7 · principal: $54,187,493
- SUPER MICRO COMPUTER INC · 7 DEP CM SR A WI · 86800U500 · shares: $45,262,151
- CORE SCIENTIFIC INC NEW · *W EXP 01/23/202 · 21874A114 · shares: $44,208,050
- MICROCHIP TECHNOLOGY INC. · DEP SHS REPSTG · 595017302 · shares: $42,957,787
- CLOUDFLARE INC · NOTE 8/1 · 18915MAC1 · principal: $33,548,488
Reported holdings
1,001 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| GEN DIGITAL INC | RIGHT 99/99/9999 | 668771116 | — | 331,431 shares | $419,261 |
| TRAVELERS COMPANIES INC | COM | 89417E109 | — | 1,260 shares | $415,951 |
| CONOCOPHILLIPS | COM | 20825C104 | CALL | 4,000 shares | $415,840 |
| BIGBEAR AI HLDGS INC | COM | 08975B109 | PUT | 113,100 shares | $415,077 |
| ROKU INC | COM CL A | 77543R102 | — | 3,000 shares | $414,420 |
| SHIFT4 PMTS INC | CL A | 82452J109 | — | 8,471 shares | $412,029 |
| METALS ACQUISITION CORP II | *W EXP 06/30/203 | G60420117 | — | 372,738 shares | $410,012 |
| C3 AI INC | CL A | 12468P104 | PUT | 45,100 shares | $409,959 |
| VIPER ENERGY INC | CL A | 64361Q101 | — | 9,660 shares | $409,584 |
| NATIONAL FUEL GAS CO | COM | 636180101 | — | 5,264 shares | $406,433 |
| UBER TECHNOLOGIES INC | COM | 90353T100 | — | 5,589 shares | $403,302 |
| MOSAIC CO | COM | 61945C103 | — | 18,878 shares | $400,025 |
| THAYER VENTURES ACQ CORP II | CL A | G87890102 | — | 38,600 shares | $398,352 |
| CMB.TECH NV | SHS | B38564108 | PUT | 28,400 shares | $397,316 |
| SUNRUN INC | COM | 86771W105 | PUT | 29,600 shares | $396,048 |
| STIFEL FINL CORP | COM | 860630102 | — | 5,670 shares | $395,596 |
| PVH CORPORATION | COM | 693656100 | — | 5,301 shares | $393,653 |
| STELLAR BANCORP INC | COM | 858927106 | — | 10,000 shares | $393,200 |
| SELECT SECTOR SPDR TR | ST STR REAL ETF | 81369Y860 | — | 8,920 shares | $392,748 |
| WARNER MUSIC GROUP CORP | COM CL A | 934550203 | — | 14,450 shares | $391,162 |
| INFLECTION PT ACQUISIT CORP | *W EXP 03/03/203 | G4790S115 | — | 208,054 shares | $391,142 |
| RE/MAX HLDGS INC | CL A | 75524W108 | — | 39,574 shares | $390,200 |
| ISHARES INC | MSCI BRAZIL ETF | 464286400 | — | 11,260 shares | $388,470 |
| SUNOCO LP/SUNOCO FIN CORP | COM UT REP LP | 86765K109 | — | 5,654 shares | $381,645 |
| DELTA AIR LINES INC | COM NEW | 247361702 | — | 4,073 shares | $381,477 |
| BLOCK H & R INC | COM | 093671105 | CALL | 10,000 shares | $380,800 |
| VIRTUS EQUITY & CONV INCM FD | COM | 92841M101 | — | 14,068 shares | $377,866 |
| LISATA THERAPEUTICS INC | COM | 128058302 | — | 110,422 shares | $375,435 |
| HAEMONETICS CORP MASS | COM | 405024100 | CALL | 5,000 shares | $375,000 |
| AA MISSION ACQUISITION CORP | ORD SHS CL A | G1000S109 | — | 36,789 shares | $373,776 |
| WAYFAIR INC | NOTE 1.000% 8/1 | 94419LAF8 | — | 372,000 principal | $371,256 |
| BLACKROCK SCIENCE & TECHNOLO | SHS BEN INT | 09260K101 | — | 12,306 shares | $369,549 |
| SCHWAB CHARLES CORP | COM | 808513105 | CALL | 4,000 shares | $369,080 |
| SBA COMMUNICATIONS CORP | CL A | 78410G104 | — | 2,088 shares | $368,449 |
| PERMIAN RESOURCES CORP | CLASS A COM | 71424F105 | CALL | 20,000 shares | $368,200 |
| SUPER MICRO COMPUTER INC | COM NEW | 86800U302 | CALL | 12,500 shares | $366,625 |
| AMERICAN INTL GROUP INC | COM NEW | 026874784 | — | 4,900 shares | $365,197 |
| DARLING INGREDIENTS INC | COM | 237266101 | — | 6,670 shares | $364,315 |
| EUROPEAN EQUITY FD INC | COM | 298768102 | — | 33,099 shares | $363,924 |
| ZEBRA TECHNOLOGIES CORPORATI | CL A | 989207105 | — | 1,380 shares | $363,299 |
| ANTERO RESOURCES CORP | COM | 03674X106 | — | 10,338 shares | $363,277 |
| DTE ENERGY CO | COM | 233331107 | — | 2,380 shares | $362,641 |
| UNUM GROUP | COM | 91529Y106 | CALL | 4,000 shares | $357,600 |
| EMCOR GROUP INC | COM | 29084Q100 | — | 430 shares | $356,848 |
| INVESCO LTD | SHS | G491BT108 | — | 13,473 shares | $355,553 |
| AST SPACEMOBILE INC | COM CL A | 00217D100 | PUT | 4,000 shares | $355,440 |
| NUVEEN GLOBAL HIGH INCOME FD | SHS | 67075G103 | — | 27,832 shares | $354,301 |
| FS SPECIALTY LENDING FD | COM SH BEN INT | 644323107 | — | 31,700 shares | $353,455 |
| MUZERO ACQUISITION CORP | UNIT 01/30/2031 | G8775A122 | — | 35,000 shares | $351,400 |
| TRAVEL PLUS LEISURE CO | COM | 894164102 | — | 4,570 shares | $349,286 |
| BROOKFIELD REAL ASSETS INCOM | SHS BEN INT | 112830104 | — | 27,008 shares | $347,863 |
| UPSTART HLDGS INC | NOTE 0.250% 8/1 | 91680MAB3 | — | 350,000 principal | $347,424 |
| KOREA FD INC | COM NEW | 500634209 | — | 4,612 shares | $346,869 |
| NUVALENT INC | COM | 670703107 | — | 2,800 shares | $345,800 |
| QXO INC | COM NEW | 82846H405 | PUT | 20,000 shares | $345,600 |
| UNDER ARMOUR INC | CL A | 904311107 | PUT | 53,700 shares | $343,143 |
| TWO HARBORS INVENTMENT CORPO | COM | 90187B804 | PUT | 27,600 shares | $342,516 |
| RALPH LAUREN CORP | CL A | 751212101 | — | 850 shares | $341,198 |
| SMURFIT WESTROCK PLC | SHS | G8267P108 | — | 7,230 shares | $334,460 |
| NCR ATLEOS CORPORATION | COM SHS | 63001N106 | — | 7,688 shares | $333,736 |
| ARCHIMEDES TECH SPAC PARTNER | *W EXP 10/15/202 | G04537125 | — | 151,718 shares | $332,248 |
| AMC ENTMT HLDGS INC | CL A NEW | 00165C302 | CALL | 174,600 shares | $331,740 |
| TRUIST FINL CORP | COM | 89832Q109 | — | 6,636 shares | $330,606 |
| COLLABORATIVE INVESTMNT SER | SPA NEW ISS ETF | 19423L672 | — | 14,997 shares | $329,430 |
| FORD MTR CO | COM | 345370860 | — | 23,530 shares | $327,067 |
| LEGGETT & PLATT INC | COM | 524660107 | — | 27,913 shares | $326,861 |
| NRG ENERGY INC | COM NEW | 629377508 | — | 2,230 shares | $325,714 |
| GULFPORT ENERGY CORP | COMMON SHARES | 402635502 | — | 1,917 shares | $325,315 |
| NNN REIT INC | COM | 637417106 | — | 6,973 shares | $324,454 |
| ARCH CAP GROUP LTD | ORD | G0450A105 | — | 3,340 shares | $324,180 |
| PORTLAND GEN ELEC CO | COM NEW | 736508847 | — | 6,200 shares | $321,346 |
| AVANOS MED INC | COM | 05350V106 | PUT | 12,900 shares | $320,952 |
| CANADIAN SOLAR INC | COM | 136635109 | PUT | 20,000 shares | $320,400 |
| SPROUTS FMRS MKT INC | COM | 85208M102 | — | 3,785 shares | $320,135 |
| GUIDEWIRE SOFTWARE INC | COM | 40171V100 | — | 2,600 shares | $319,930 |
| ALBEMARLE CORP | COM | 012653101 | — | 2,360 shares | $318,671 |
| ROPER TECHNOLOGIES INC | COM | 776696106 | — | 940 shares | $318,087 |
| ITT INC | COM | 45073V108 | — | 1,590 shares | $314,438 |
| LAUNCH TWO ACQUISITION CORP. | *W EXP 10/09/202 | G5S87A113 | — | 907,771 shares | $313,272 |
| NXP SEMICONDUCTORS N V | COM | N6596X109 | — | 1,110 shares | $311,943 |
| MARZETTI COMPANY | COM | 513847103 | — | 2,725 shares | $311,086 |
| AGCO CORP | COM | 001084102 | — | 2,570 shares | $307,629 |
| CRH PLC | ORD | G25508105 | — | 2,860 shares | $306,020 |
| ONEMAIN HLDGS INC | COM | 68268W103 | CALL | 5,000 shares | $304,850 |
| BLOOM ENERGY CORP | COM CL A | 093712107 | CALL | 1,000 shares | $302,700 |
| QUANTUMSCAPE CORP | COM CL A | 74767V109 | PUT | 40,000 shares | $302,400 |
| US BANCORP | COM NEW | 902973304 | CALL | 5,000 shares | $302,000 |
| AUTODESK INC | COM | 052769106 | — | 1,530 shares | $297,463 |
| PVH CORPORATION | COM | 693656100 | CALL | 4,000 shares | $297,040 |
| TWENTY ONE CAP INC | COM SHS CL A | 90138L109 | PUT | 60,000 shares | $297,000 |
| QXO INC | COM NEW | 82846H405 | — | 17,048 shares | $294,589 |
| TRULIEVE CANNABIS CORP | SUB VTG SHS | 89788C104 | — | 29,875 shares | $293,671 |
| KORE GROUP HLDGS INC | COM NEW | 50066V305 | — | 31,612 shares | $291,779 |
| VALARIS LTD | CL A | G9460G101 | — | 4,000 shares | $290,400 |
| PENUMBRA INC | COM | 70975L107 | CALL | 900 shares | $284,175 |
| MAXIMUS INC | COM | 577933104 | — | 5,245 shares | $281,971 |
| PILGRIMS PRIDE CORP | COM | 72147K108 | CALL | 10,000 shares | $281,100 |
| NXP SEMICONDUCTORS N V | COM | N6596X109 | CALL | 1,000 shares | $281,030 |
| OSCAR HEALTH INC | CL A | 687793109 | — | 9,825 shares | $280,209 |
| CITIGROUP INC | COM NEW | 172967424 | CALL | 2,000 shares | $279,920 |