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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) |
|---|---|---|---|---|---|
| LIBERTY LIVE HOLDINGS INC | COM SER A | 530909100 | — | 41,755 shares | $4,228,111 |
| DIGITAL ASSET ACQUISITION CO | SHS CL A | G2868C103 | — | 405,083 shares | $4,204,762 |
| AMERICAN CENTY ETF TR | EMERGING MKT VAL | 025072372 | — | 62,973 shares | $4,131,029 |
| FIVE9 INC | NOTE 1.000% 3/1 | 338307AF8 | — | 4,636,000 principal | $4,126,082 |
| PURECYCLE TECHNOLOGIES INC | NOTE 4.750% 7/0 | 74623VAD5 | — | 4,000,000 principal | $4,092,388 |
| SPDR GOLD TR | GOLD SHS | 78463V107 | CALL | 11,000 shares | $4,052,180 |
| XEROX HOLDINGS CORP | NOTE 3.750% 3/1 | 98421MAE6 | — | 11,634,000 principal | $4,037,161 |
| ISHARES TR | IBOXX HI YD ETF | 464288513 | PUT | 50,000 shares | $3,998,500 |
| NEBIUS GROUP N.V. | SHS CLASS A | N97284108 | PUT | 14,400 shares | $3,976,848 |
| NIO INC | SPON ADS | 62914V106 | PUT | 783,300 shares | $3,963,498 |
| ORACLE CORP | 6.5 DEP CUM SR D | 68389X204 | — | 88,210 shares | $3,962,428 |
| MESHFLOW ACQUISITION CORP | USD CL A ORD SHS | G6032N101 | — | 395,826 shares | $3,962,218 |
| INTERNATIONAL MONEY EXPRESS | COM | 46005L101 | — | 268,680 shares | $3,882,426 |
| WAYFAIR INC | NOTE 3.250% 9/1 | 94419LAP6 | — | 2,500,000 principal | $3,822,390 |
| CHEESECAKE FACTORY INC | NOTE 2.000% 3/1 | 163072AC5 | — | 3,000,000 principal | $3,820,431 |
| MEXICO EQUITY & INCOME FD | COM | 592834105 | — | 291,255 shares | $3,788,179 |
| CANTOR EQUITY PARTNERS VII I | CL A ORD SHS | G1828W100 | — | 375,000 shares | $3,783,750 |
| ISHARES TR | MSCI INTL VLU FT | 46435G409 | — | 90,270 shares | $3,775,091 |
| SELECT SECTOR SPDR TR | ST STR CARE ETF | 81369Y209 | PUT | 23,700 shares | $3,760,242 |
| UBER TECHNOLOGIES INC | NOTE 5/1 | 90353TAS9 | — | 3,216,000 principal | $3,722,189 |
| INFLECTION PT ACQUISIT CORP | CL A ORD SHS | G4790S107 | — | 355,646 shares | $3,677,380 |
| JOBY AVIATION INC | NOTE 0.750% 2/1 | 47775AAA9 | — | 4,000,000 principal | $3,641,624 |
| DIMENSIONAL ETF TRUST | US SMALL CAP ETF | 25434V815 | — | 93,160 shares | $3,613,676 |
| ISHARES TR | MSCI JP VALUE | 46435U374 | — | 82,113 shares | $3,609,811 |
| STRATEGY INC | CL A NEW | 594972408 | PUT | 41,500 shares | $3,607,595 |
| MATADOR RES CO | COM | 576485205 | — | 71,602 shares | $3,564,347 |
| COLLECTIVE ACQUISITION CORP | ORD SHS CL A | G22741105 | — | 350,180 shares | $3,466,782 |
| SNOW ROTHSCHILD ACQUISITION | UNIT 05/22/2031 | G8251A125 | — | 345,700 shares | $3,460,457 |
| CLOUDFLARE INC | NOTE 6/1 | 18915MAF4 | — | 2,700,000 principal | $3,427,969 |
| INTEGER HLDGS CORP | NOTE 2.125% 2/1 | 45826HAB5 | — | 2,714,000 principal | $3,317,070 |
| HERTZ CORP | NOTE 8.000% 7/1 | 428040DE6 | — | 5,362,638 principal | $3,133,615 |
| NIO INC | NOTE 3.875%10/1 | 62914VAJ5 | — | 3,000,000 principal | $3,032,502 |
| HIMS & HERS HEALTH INC | COM CL A | 433000106 | PUT | 87,400 shares | $3,030,158 |
| WILCO 63 CORP | UNIT 05/29/2031 | G9640P120 | — | 303,129 shares | $3,016,134 |
| NIO INC | NOTE 4.625%10/1 | 62914VAK2 | — | 3,000,000 principal | $3,008,679 |
| INVESCO DB COMMDY INDX TRCK | UNIT | 46138B103 | — | 112,412 shares | $2,996,904 |
| INTERPRIVATE INVTS PARTNERS | UNIT 05/27/2031 | G49097127 | — | 301,400 shares | $2,989,888 |
| D BORAL ACQUISITION I CORP | ORD SHS CL A | G2616T101 | — | 298,000 shares | $2,971,060 |
| CIPHER DIGITAL INC | COM | 17253J106 | — | 119,750 shares | $2,933,875 |
| BOSTON SCIENTIFIC CORP | COM | 101137107 | CALL | 68,000 shares | $2,902,240 |
| INTEL CORP | COM | 458140100 | PUT | 20,600 shares | $2,876,378 |
| BERTO ACQUISITION CORP | ORD SHS | G1051H101 | — | 270,809 shares | $2,840,786 |
| ISHARES BITCOIN TRUST ETF | SHS BEN INT | 46438F101 | CALL | 85,000 shares | $2,829,650 |
| LAUNCH TWO ACQUISITION CORP. | ORD SHS CL A | G5S87A105 | — | 263,211 shares | $2,821,622 |
| ISHARES TR | MSCI EAFE ETF | 464287465 | — | 27,020 shares | $2,806,838 |
| FIFTH ERA ACQUISITION CORP I | ORD SHS CL A | G3415K101 | — | 264,731 shares | $2,758,497 |
| SM ENERGY COMPANY | COM | 78454L100 | CALL | 104,600 shares | $2,730,060 |
| CONOCOPHILLIPS | COM | 20825C104 | — | 26,195 shares | $2,723,232 |
| CHAMPIONSGATE ACQUISITION CO | SHS CL A | G2124S108 | — | 261,037 shares | $2,707,998 |
| INTERNATIONAL MONEY EXPRESS | COM | 46005L101 | PUT | 185,300 shares | $2,677,585 |
| RIVIAN AUTOMOTIVE INC | COM CL A | 76954A103 | PUT | 153,000 shares | $2,654,550 |
| PENNYMAC CORP | NOTE 8.500% 6/0 | 70932AAH6 | — | 2,542,000 principal | $2,590,715 |
| PATRIOT ACQUISITION CORP | UNIT 05/11/2031 | G6951A122 | — | 253,667 shares | $2,534,133 |
| DROPBOX INC | NOTE 3/0 | 26210CAD6 | — | 2,500,000 principal | $2,526,090 |
| X3 ACQUISITION CORP LTD | ORD SHS CL A | G9831H101 | — | 250,000 shares | $2,497,500 |
| SNAP INC | NOTE 0.750% 8/0 | 83304AAB2 | — | 2,500,000 principal | $2,492,838 |
| TRIBECA STRATEGIC ACQUISITIO | UNIT 05/22/2031 | G90420129 | — | 250,000 shares | $2,487,500 |
| REPUBLIC DIGITAL ACQUISITION | USD CL A ORD SHS | G7515A103 | — | 240,764 shares | $2,484,684 |
| COREWEAVE INC | COM CL A | 21873S108 | PUT | 24,500 shares | $2,438,730 |
| ETSY INC | NOTE 1.000% 6/1 | 29786AAQ9 | — | 2,100,000 principal | $2,436,899 |
| ROMAN DBDR ACQUISITION CORP | ORD SHS CL A | G7633M104 | — | 229,854 shares | $2,421,512 |
| ENOVIS CORPORATION | NOTE 3.875%10/1 | 194014AB2 | — | 2,500,000 principal | $2,399,355 |
| TANDEM DIABETES CARE INC | NOTE 1.500% 3/1 | 875372AD6 | — | 2,500,000 principal | $2,384,472 |
| AMC ENTMT HLDGS INC | CL A NEW | 00165C302 | PUT | 1,247,900 shares | $2,371,010 |
| BTC DEV CORP | ORD SHS CL A | G0701G109 | — | 232,617 shares | $2,342,453 |
| APPLIED OPTOELECTRONICS INC | COM | 03823U102 | PUT | 15,000 shares | $2,222,400 |
| KRANESHARES TRUST | MOUNT LUCAS ETF | 500767652 | — | 80,747 shares | $2,222,157 |
| ALPHATEC HLDGS INC | NOTE 0.750% 8/0 | 02081GAB8 | — | 2,200,000 principal | $2,183,661 |
| SPDR SERIES TRUST | ST STR SP REGBNK | 78464A698 | PUT | 29,000 shares | $2,170,650 |
| RIVERNORTH CAP AND INCM FD I | COM | 76882B108 | — | 148,230 shares | $2,167,122 |
| PIONEER ACQUISITION I CORP | CL A ORD SHS | G7117W107 | — | 210,988 shares | $2,158,407 |
| HEWLETT PACKARD ENTERPRISE C | COM | 42824C109 | — | 47,286 shares | $2,133,071 |
| CENTRAL SECS CORP | COM | 155123102 | — | 40,607 shares | $2,129,837 |
| DELL TECHNOLOGIES INC | CL C | 24703L202 | — | 4,850 shares | $2,092,581 |
| EXPAND ENERGY CORPORATION | COM | 165167735 | — | 22,920 shares | $2,090,075 |
| DISH NETWORK CORPORATION | NOTE 3.375% 8/1 | 25470MAB5 | — | 2,141,000 principal | $2,077,211 |
| BRIGHTHOUSE FINL INC | COM | 10922N103 | — | 32,485 shares | $2,056,300 |
| PRAETORIAN ACQUISITION CORP | ORD SHS CL A | G7S17G103 | — | 203,613 shares | $2,021,877 |
| YORKVILLE INTL CAP CORP | UNIT 06/05/2031 | G98665121 | — | 200,000 shares | $2,008,000 |
| METALS ACQUISITION CORP II | ORD CL A | G60420109 | — | 196,180 shares | $1,991,227 |
| SPRING VY ACQUISITION CORP I | ORD SHS CL A | G8377G105 | — | 195,070 shares | $1,985,813 |
| DEVON ENERGY CORP NEW | COM | 25179M103 | — | 47,904 shares | $1,979,393 |
| STATE STR SPDR S&P MIDCAP 40 | UTSER1 S&PDCRP | 78467Y107 | — | 2,810 shares | $1,976,385 |
| PROCAP FINL INC | COM SHS | 74277P105 | — | 1,270,755 shares | $1,956,963 |
| SHUTTERSTOCK INC | COM | 825690100 | — | 139,832 shares | $1,950,656 |
| CHEVRON CORPORATION | COM | 166764100 | — | 11,482 shares | $1,903,256 |
| GENERAL AMERN INVS CO INC | COM | 368802104 | — | 29,802 shares | $1,899,878 |
| SELECT SECTOR SPDR TR | ST STR FINL ETF | 81369Y605 | PUT | 35,000 shares | $1,876,350 |
| STATE STR SPDR S&P 500 ETF T | TR UNIT | 78462F103 | PUT | 2,500 shares | $1,866,925 |
| ADAM NAT RES FD INC | COM | 00548F105 | — | 75,495 shares | $1,866,236 |
| PG&E CORP | COM | 69331C108 | — | 110,831 shares | $1,864,177 |
| BRISTOL-MYERS SQUIBB CO | COM | 110122108 | — | 32,320 shares | $1,862,279 |
| PEPSICO INC | COM | 713448108 | — | 13,719 shares | $1,857,553 |
| MICROSOFT CORP | COM | 594918104 | — | 4,950 shares | $1,846,449 |
| CRESCENT ENERGY COMPANY | CL A COM | 44952J104 | — | 187,877 shares | $1,844,952 |
| MOHAWK INDS INC | COM | 608190104 | — | 15,162 shares | $1,839,605 |
| DIMENSIONAL ETF TRUST | INTERNATNAL VAL | 25434V807 | — | 33,970 shares | $1,835,059 |
| NORTHWESTERN ENERGY GROUP IN | COM NEW | 668074305 | — | 25,541 shares | $1,829,246 |
| ASA GOLD AND PRECIOUS MTLS L | SHS | G3156P103 | — | 35,107 shares | $1,826,968 |
| CHUBB LIMITED | COM | H1467J104 | — | 5,300 shares | $1,805,922 |