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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) |
|---|---|---|---|---|---|
| PHILLIPS 66 | COM | 718546104 | — | 4,930 shares | $833,416 |
| XOMA ROYALTY CORPORATION | COM NEW | 98419J206 | — | 19,561 shares | $831,342 |
| GENERAL MILLS INC | COM | 370334104 | — | 23,840 shares | $829,632 |
| CVS HEALTH CORP | COM | 126650100 | CALL | 8,000 shares | $827,600 |
| PFIZER INC | COM | 717081103 | — | 34,351 shares | $827,172 |
| D-WAVE QUANTUM INC | COM | 26740W109 | PUT | 34,400 shares | $825,256 |
| RMG ML SPORTS HOLDINGS | UNIT 06/05/2031 | G7610P120 | — | 82,214 shares | $821,318 |
| ELECTRONIC ARTS INC | COM | 285512109 | CALL | 4,000 shares | $820,160 |
| AMDOCS LTD | SHS | G02602103 | — | 16,217 shares | $819,607 |
| SELECT SECTOR SPDR TR | ST STR UTIL ETF | 81369Y886 | PUT | 18,000 shares | $816,120 |
| ADVANCED MICRO DEVICES INC | COM | 007903107 | PUT | 1,400 shares | $813,274 |
| ELEVANCE HEALTH INC FORMERLY | COM | 036752103 | CALL | 2,100 shares | $812,133 |
| HEWLETT PACKARD ENTERPRISE C | COM | 42824C109 | PUT | 18,000 shares | $811,980 |
| KYIVSTAR GROUP LTD | *W EXP 08/14/203 | G5331N119 | — | 126,334 shares | $809,801 |
| JAPAN SMALLER CAPITALIZATION | COM | 47109U104 | — | 68,679 shares | $809,039 |
| OLD REP INTL CORP | COM | 680223104 | — | 19,750 shares | $808,170 |
| EVOLENT HEALTH INC | DEBT 4.500% 8/1 | 30050BAJ0 | — | 1,025,000 principal | $808,130 |
| ORACLE CORP | COM | 68389X105 | PUT | 5,500 shares | $806,025 |
| HASBRO INC | COM | 418056107 | — | 9,689 shares | $800,215 |
| CARNIVAL CORP LTD | COMMON SHARES | G2004J103 | CALL | 28,000 shares | $799,960 |
| BRIGHTHOUSE FINL INC | COM | 10922N103 | CALL | 12,600 shares | $797,580 |
| SELECTIVE INS GROUP INC | COM | 816300107 | — | 8,144 shares | $790,049 |
| COMCAST CORP NEW | CL A | 20030N101 | — | 32,175 shares | $789,895 |
| PAYPAL HLDGS INC | COM | 70450Y103 | — | 18,243 shares | $787,732 |
| SIRIUSXM HOLDINGS INC | COMMON STOCK | 829933100 | — | 26,601 shares | $785,794 |
| WINTRUST FINL CORP | COM | 97650W108 | — | 4,884 shares | $784,956 |
| XEROX HOLDINGS CORP | CALL | 98421M906 | CALL | 250,000 shares | $782,500 |
| JONES LANG LASALLE INC | COM | 48020Q107 | — | 2,472 shares | $766,196 |
| SLB LIMITED | COM STK | 806857108 | — | 16,475 shares | $765,923 |
| AT&T INC | COM | 00206R102 | — | 36,959 shares | $765,052 |
| TIDEWATER INC NEW | COM | 88642R109 | — | 11,452 shares | $763,047 |
| PG&E CORP | COM | 69331C108 | PUT | 45,100 shares | $758,582 |
| APPLE INC | COM | 037833100 | PUT | 2,600 shares | $752,336 |
| GAP INC | COM | 364760108 | — | 40,203 shares | $750,992 |
| CANTOR EQUITY PARTNERS IV IN | SHS CL A | G1828E100 | — | 71,901 shares | $747,770 |
| ELEVANCE HEALTH INC FORMERLY | COM | 036752103 | — | 1,931 shares | $746,776 |
| TARGET CORP | COM | 87612E106 | — | 5,682 shares | $742,126 |
| BRIGHT HORIZONS FAM SOL IN D | COM | 109194100 | — | 10,420 shares | $738,569 |
| INVESCO QQQ TR | UNIT SER 1 | 46090E103 | PUT | 1,000 shares | $736,400 |
| NATWEST GROUP PLC | SPONS ADR | 639057207 | — | 41,460 shares | $730,940 |
| ARMADA ACQUISITION CORP II | COM CL A | G0R38G104 | — | 70,068 shares | $730,109 |
| VIRTUS DIVIDEND INTEREST & P | COM | 92840R101 | — | 48,021 shares | $729,439 |
| BOOZ ALLEN HAMILTON HLDG COR | CL A | 099502106 | — | 11,990 shares | $727,433 |
| AVIS BUDGET GROUP INC | COM | 053774105 | PUT | 4,900 shares | $724,367 |
| SS&C TECH HLDGS | COM | 78467J100 | — | 11,504 shares | $713,823 |
| ACUITY INC | COM | 00508Y102 | — | 1,894 shares | $713,394 |
| HERTZ GLOBAL HLDGS INC | COM NEW | 42806J700 | PUT | 314,700 shares | $712,796 |
| PERMIAN RESOURCES CORP | CLASS A COM | 71424F105 | — | 38,624 shares | $711,068 |
| RIGETTI COMPUTING INC | COMMON STOCK | 76655K103 | PUT | 36,500 shares | $705,180 |
| PEABODY ENGR CORP | COM | 704551100 | PUT | 30,200 shares | $698,224 |
| GENERAL DYNAMICS CORP | COM | 369550108 | — | 1,960 shares | $694,310 |
| SUPER MICRO COMPUTER INC | COM NEW | 86800U302 | — | 23,435 shares | $687,349 |
| FISERV INC | COM | 337738108 | CALL | 14,000 shares | $686,700 |
| CRESCENT ENERGY COMPANY | CL A COM | 44952J104 | CALL | 69,900 shares | $686,418 |
| INSULET CORP | COM | 45784P101 | CALL | 4,500 shares | $685,125 |
| VERIZON COMMUNICATIONS INC | COM | 92343V104 | — | 16,170 shares | $684,637 |
| PPG INDS INC | COM | 693506107 | — | 5,639 shares | $683,954 |
| ENOVIX CORPORATION | COM | 293594107 | PUT | 112,600 shares | $683,482 |
| BATH & BODY WORKS INC | COM | 070830104 | — | 29,429 shares | $680,693 |
| MATCH GROUP INC NEW | COM | 57667L107 | — | 17,826 shares | $678,279 |
| UNUM GROUP | COM | 91529Y106 | — | 7,568 shares | $676,579 |
| VERSANT MEDIA GROUP INC | COM CL A | 925283103 | — | 18,750 shares | $675,188 |
| FUNDRISE INNOVATION FD LLC | COM SHS | 360852107 | PUT | 7,800 shares | $674,154 |
| EPAM SYS INC | COM | 29414B104 | — | 8,490 shares | $673,682 |
| GENUINE PARTS CO | COM | 372460105 | — | 5,710 shares | $673,666 |
| GLOBAL PMTS INC | COM | 37940X102 | — | 9,196 shares | $667,262 |
| ALBEMARLE CORP | COM | 012653101 | PUT | 4,900 shares | $661,647 |
| PROEM ACQUISITION CORP I | ORD SHS | G7341A103 | — | 66,441 shares | $660,424 |
| ORGANON & CO | COMMON STOCK | 68622V106 | — | 48,743 shares | $659,980 |
| BRINKS CO | COM | 109696104 | — | 6,937 shares | $655,477 |
| HERZFELD CARIBBEAN BASIN FD | COM | 42804T205 | — | 37,977 shares | $653,204 |
| ZIM INTEGRATED SHIPPING SERV | SHS | M9T951109 | PUT | 25,100 shares | $652,600 |
| ROBLOX CORP | CL A | 771049103 | PUT | 12,000 shares | $652,560 |
| OLD DOMINION FREIGHT LINE IN | COM | 679580100 | PUT | 3,000 shares | $649,800 |
| XYLEM INC | COM | 98419M100 | — | 5,480 shares | $647,791 |
| TORO CO | COM | 891092108 | — | 6,610 shares | $643,946 |
| PEGASYSTEMS INC | COM | 705573103 | — | 21,406 shares | $641,538 |
| COMMERCIAL METALS CO | COM | 201723103 | — | 10,215 shares | $640,991 |
| WEX INC | COM | 96208T104 | — | 4,540 shares | $640,549 |
| GRAND CANYON ED INC | COM | 38526M106 | — | 4,473 shares | $640,131 |
| BEST BUY INC | COM | 086516101 | — | 8,390 shares | $636,633 |
| SNOWFLAKE INC | COM SHS | 833445109 | CALL | 2,500 shares | $636,250 |
| EXCHANGE LISTED FDS TR | SABA INT RATE | 30151E806 | — | 24,674 shares | $632,641 |
| OLLIES BARGAIN OUTLET HLDGS | COM | 681116109 | — | 8,220 shares | $631,954 |
| NEWHOLD INVT CORP III | *W EXP 01/30/203 | G6486E110 | — | 300,118 shares | $630,248 |
| SOUTHERN CO | COM | 842587107 | — | 6,579 shares | $629,676 |
| ALLISON TRANSMISSION HLDGS I | COM | 01973R101 | — | 5,584 shares | $629,540 |
| VARONIS SYS INC | COM | 922280102 | CALL | 15,000 shares | $629,400 |
| OKLO INC | COM CL A | 02156V109 | PUT | 12,000 shares | $627,960 |
| CITIZENS FINL GROUP INC | COM | 174610105 | — | 8,920 shares | $625,024 |
| BIOGEN INC | COM | 09062X103 | — | 2,880 shares | $622,253 |
| WISDOMTREE TR | FUTRE STRAT FD | 97717W125 | — | 15,150 shares | $618,878 |
| ENERSYS | COM | 29275Y102 | — | 2,636 shares | $616,350 |
| PENN ENTERTAINMENT INC | COM | 707569109 | — | 28,715 shares | $613,352 |
| PAYLOCITY HLDG CORP | COM | 70438V106 | — | 5,850 shares | $611,500 |
| VIATRIS INC | COM | 92556V106 | CALL | 38,100 shares | $605,028 |
| BROADCOM INC | COM | 11135F101 | CALL | 1,600 shares | $604,400 |
| AMERICAN TOWER CORP | COM | 03027X100 | — | 3,666 shares | $599,648 |
| HEALTHEQUITY INC | COM | 42226A107 | — | 6,630 shares | $598,821 |
| MAGNOLIA OIL & GAS CORP | CL A | 559663109 | — | 23,350 shares | $597,293 |