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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) |
|---|---|---|---|---|---|
| HONEYWELL INTL INC | COM | 438516205 | — | 1,248 shares | $279,428 |
| DUKE ENERGY CORP NEW | COM NEW | 26441C204 | — | 2,200 shares | $278,476 |
| DANAHER CORP DEL | COM | 235851102 | — | 1,440 shares | $274,291 |
| RENEW ENERGY GLOBAL PLC | CL A SHS | G7500M104 | — | 43,800 shares | $273,750 |
| EXELIXIS INC | COM | 30161Q104 | CALL | 5,000 shares | $272,050 |
| BLACKROCK TECH AND PRIVATE E | SHS BEN INT | 09260Q108 | — | 30,100 shares | $271,803 |
| HONEYWELL AEROSPACE INC | COM | 43849R105 | — | 1,225 shares | $270,823 |
| PEPSICO INC | COM | 713448108 | CALL | 2,000 shares | $270,800 |
| WEN ACQUISITION CORP | *W EXP 99/99/999 | G9R39C111 | — | 761,739 shares | $269,884 |
| PIMCO DYNAMIC INCOME STRATEG | COM SHS BEN INT | 69346N107 | — | 12,960 shares | $269,827 |
| SUNCOR ENERGY INC NEW | COM | 867224107 | — | 5,010 shares | $268,937 |
| LEAR CORP | COM NEW | 521865204 | CALL | 2,000 shares | $268,120 |
| THE CENTRAL AND EASTERN EU I | COM | 153436100 | — | 12,996 shares | $267,068 |
| TRANSMEDICS GROUP INC | COM | 89377M109 | CALL | 4,000 shares | $265,680 |
| ASSOCIATED BANC-CORP | COM | 045487105 | — | 8,570 shares | $263,699 |
| TERADATA CORP DEL | COM | 88076W103 | — | 7,490 shares | $259,529 |
| APPLOVIN CORP | COM CL A | 03831W108 | PUT | 500 shares | $257,615 |
| LUMENTUM HLDGS INC | COM | 55024U109 | CALL | 300 shares | $257,418 |
| TENARIS S A | SPONSORED ADS | 88031M109 | — | 4,634 shares | $257,141 |
| TRANSLATIONAL DEV ACQUISITIO | *W EXP 12/18/202 | G9008W113 | — | 179,902 shares | $256,360 |
| INVESCO EXCHANGE TRADED FD T | S&P500 EQL WGT | 46137V357 | CALL | 1,200 shares | $255,324 |
| KODIAK AI INC. | COM | 500081104 | PUT | 50,000 shares | $254,000 |
| MCCORMICK & CO INC | COM NON VTG | 579780206 | CALL | 5,000 shares | $252,100 |
| ESSENTIAL UTILS INC | COM | 29670G102 | — | 6,501 shares | $249,053 |
| NXG NEXTGEN INFRASTR INCM FD | COM | 231647207 | — | 3,842 shares | $248,616 |
| IRIS ACQUISITION CORP II | ORD SHS CL A | G4940M109 | — | 25,000 shares | $248,250 |
| NEOGEN CORP | COM | 640491106 | PUT | 27,500 shares | $247,225 |
| LYFT INC | CL A COM | 55087P104 | — | 16,905 shares | $246,982 |
| ISHARES TR | RUS 1000 VAL ETF | 464287598 | — | 1,007 shares | $244,127 |
| NUVEEN S&P 500 DYNAMIC OVERW | COM | 6706EW100 | — | 13,086 shares | $243,923 |
| M3BRIGADE ACQUISITION V CORP | *W EXP 99/99/999 | G63212115 | — | 656,527 shares | $242,915 |
| RIVERNORTH DOUBLELINE STRATE | COM | 76882G107 | — | 31,339 shares | $241,937 |
| OMEGA HEALTHCARE INVS INC | COM | 681936100 | — | 5,059 shares | $241,213 |
| NEW GERMANY FD INC | COM | 644465106 | — | 20,906 shares | $239,583 |
| AGCO CORP | COM | 001084102 | CALL | 2,000 shares | $239,400 |
| RIOT PLATFORMS INC | COM | 767292105 | — | 8,714 shares | $238,589 |
| LIGHTWAVE ACQUISITION CORP | USD CL A ORD SHS | G5490M100 | — | 23,316 shares | $238,290 |
| NEWHOLD INVT CORP III | ORD SHS CL A | G6486E102 | — | 21,881 shares | $238,284 |
| CSX CORP | COM | 126408103 | PUT | 5,000 shares | $237,650 |
| CACI INTL INC | CL A | 127190304 | — | 510 shares | $236,263 |
| OCEANHAWK ACQUISITION CORP | RIGHT 05/19/2031 | G6722R123 | — | 227,000 shares | $236,080 |
| GENUINE PARTS CO | COM | 372460105 | CALL | 2,000 shares | $235,960 |
| MACYS INC | COM | 55616P104 | CALL | 10,000 shares | $235,500 |
| KEEL INFRASTRUCTURE CORP | COM SHS | 486917107 | — | 40,400 shares | $231,896 |
| HIGHLAND OPPS & INCOME FD | HIGHLAND INCOME | 43010E404 | — | 32,516 shares | $231,839 |
| TEMPUS AI INC | CL A | 88023B103 | PUT | 4,000 shares | $231,720 |
| HELIX ENERGY SOLUTIONS GRP I | COM | 42330P107 | — | 26,500 shares | $231,610 |
| XEROX HOLDINGS CORP | *W EXP 02/11/202 | 98421M114 | — | 834,613 shares | $229,519 |
| UNITY SOFTWARE INC | COM | 91332U101 | PUT | 8,000 shares | $228,640 |
| GENCO SHIPPING & TRADING LTD | SHS | Y2685T131 | — | 9,200 shares | $227,976 |
| META PLATFORMS INC | CL A | 30303M102 | CALL | 400 shares | $225,316 |
| INTERNATIONAL BUSINESS MACHS | COM | 459200101 | — | 800 shares | $224,968 |
| MP MATERIALS CORP | COM CL A | 553368101 | PUT | 4,000 shares | $224,040 |
| AIRSHIP AI HLDGS INC | *W EXP 12/21/202 | 008940116 | — | 293,744 shares | $223,246 |
| UNIVERSAL HLTH SVCS INC | CL B | 913903100 | CALL | 1,500 shares | $223,035 |
| OMNICOM GROUP INC | COM | 681919106 | CALL | 3,000 shares | $218,490 |
| CLEANSPARK INC | COM NEW | 18452B209 | — | 14,984 shares | $218,017 |
| ULTA BEAUTY INC | COM | 90384S303 | — | 480 shares | $216,470 |
| ALBERTSONS COMPANIES INC | COMMON STOCK | 013091103 | — | 15,911 shares | $215,276 |
| CF INDUSTRIES HOLD | COM | 125269100 | — | 1,988 shares | $215,221 |
| HCA HEALTHCARE INC | COM | 40412C101 | — | 550 shares | $214,440 |
| NETFLIX INC. | COM | 64110L106 | — | 3,000 shares | $214,200 |
| ROCKET LAB CORP | COM | 773121108 | PUT | 2,100 shares | $213,465 |
| VERALTO CORP | COM SHS | 92338C103 | — | 2,400 shares | $212,832 |
| TOPBUILD COR | COM | 89055F103 | PUT | 600 shares | $212,718 |
| TRANSMEDICS GROUP INC | COM | 89377M109 | PUT | 3,200 shares | $212,544 |
| NSTS BANCORP INC | COM | 6293JP109 | — | 15,407 shares | $212,000 |
| BIGBEAR AI HLDGS INC | COM | 08975B109 | — | 57,350 shares | $210,474 |
| CINEMARK HLDGS INC | COM | 17243V102 | — | 6,522 shares | $206,943 |
| CONSOLIDATED EDISON INC | COM | 209115104 | — | 1,870 shares | $206,878 |
| PERIMETER ACQUISITION CORP I | COM CL A | G7010A129 | — | 19,791 shares | $206,222 |
| TEMPLETON DRAGON FD INC | COM | 88018T101 | — | 18,715 shares | $203,806 |
| PROGRESS SOFTWARE CORP | COM | 743312100 | — | 6,054 shares | $203,293 |
| REPUBLIC DIGITAL ACQUISITION | *W EXP 05/01/203 | G7515A129 | — | 521,041 shares | $203,205 |
| ZIM INTEGRATED SHIPPING SERV | SHS | M9T951109 | CALL | 7,800 shares | $202,800 |
| GAMCO GLOBAL GOLD NAT RES & | COM SH BEN INT | 36465A109 | — | 41,700 shares | $201,828 |
| VERISIGN INC | COM | 92343E102 | — | 800 shares | $201,248 |
| BORGWARNER INC | COM | 099724106 | CALL | 3,000 shares | $199,200 |
| BLOCK H & R INC | COM | 093671105 | — | 5,179 shares | $197,217 |
| BOEING CO | COM | 097023105 | — | 900 shares | $194,823 |
| SHELL PLC | SPON ADS | 780259305 | CALL | 2,500 shares | $193,850 |
| INFLECTION PT ACQUISITION CO | RIGHT 04/25/2030 | G47875110 | — | 43,070 shares | $193,816 |
| DISNEY WALT CO | COM | 254687106 | CALL | 2,000 shares | $192,500 |
| MICROSOFT CORP | COM | 594918104 | CALL | 500 shares | $186,510 |
| SLB LIMITED | COM STK | 806857108 | PUT | 4,000 shares | $185,960 |
| AKAMAI TECHNOLOGIES INC | COM | 00971T101 | PUT | 1,500 shares | $177,315 |
| TALKSPACE INC | COM | 87427V103 | — | 34,000 shares | $176,800 |
| VIATRIS INC | COM | 92556V106 | — | 11,120 shares | $176,586 |
| VERAXA BIOTECH AG | *W EXP 06/08/203 | H9130A111 | — | 1,600,882 shares | $176,578 |
| EOS ENERGY ENTERPRISES INC | COM CL A | 29415C101 | PUT | 30,000 shares | $176,400 |
| ROCKET LAB CORP | COM | 773121108 | — | 1,727 shares | $175,550 |
| CMB.TECH NV | SHS | B38564108 | — | 12,540 shares | $175,434 |
| BEYOND MEAT INC | COM | 08862E109 | PUT | 231,700 shares | $173,775 |
| KEEL INFRASTRUCTURE CORP | COM SHS | 486917107 | PUT | 30,000 shares | $172,200 |
| PHILLIPS 66 | COM | 718546104 | CALL | 1,000 shares | $169,050 |
| HANCOCK JOHN PREM DIVID FD | COM SH BEN INT | 41013T105 | — | 13,019 shares | $168,596 |
| TWENTY ONE CAP INC | COM SHS CL A | 90138L109 | — | 34,000 shares | $168,300 |
| PRESIDIO PRODTN CO | *W EXP 03/04/203 | 74102N119 | — | 121,247 shares | $167,321 |
| AST SPACEMOBILE INC | COM CL A | 00217D100 | — | 1,868 shares | $165,990 |
| GAMESTOP CORP | CL A | 36467W109 | — | 7,360 shares | $162,509 |