Holders — by stockHoldings — by fund
CSS LLC/IL
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0001103646
$2.57B
disclosed book value
850
positions
9.6%
largest position share
Positions, as of 2026-06-30
top 100 of 850 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | LITE 0.5 06/15/28LUMENTUM HLDGS INC | 37.6M | $245.6M | 9.6% |
| 2 | HPE 7.625 09/01/27HEWLETT PACKARD ENTERPRISE C | 1.3M | $149.3M | 5.8% |
| 3 | ECHO 3.875 11/30/30ECHOSTAR CORP | 43.9M | $137.4M | 5.4% |
| 4 | APO 6.75 07/31/26APOLLO GLOBAL MGMT INC | 1.4M | $82.8M | 3.2% |
| 5 | BAC 7.25 PERP LBANK OF AMER CORP | 50,372 | $63.3M | 2.5% |
| 6 | WOLF 2.5 06/15/31WOLFSPEED INC | 13.8M | $54.2M | 2.1% |
| 7 | SMCI 7 06/01/29SUPER MICRO COMPUTER INC | 878,227 | $45.3M | 1.8% |
| 8 | CORZWCORE SCIENTIFIC INC NEW | 2.4M | $44.2M | 1.7% |
| 9 | MCHP 7.5 03/15/28MICROCHIP TECHNOLOGY INC. | 558,552 | $43.0M | 1.7% |
| 10 | NET 0 08/15/26CLOUDFLARE INC | 26.1M | $33.5M | 1.3% |
| 11 | AKAM 1.125 02/15/29AKAMAI TECHNOLOGIES INC | 24.8M | $29.6M | 1.2% |
| 12 | GMEGAMESTOP CORPPUT | 1.2M | $27.2M | 1.1% |
| 13 | ALB 7.25 03/01/27ALBEMARLE CORP | 470,583 | $26.1M | 1% |
| 14 | CNP 4.25 08/15/26CENTERPOINT ENERGY INC | 21.0M | $25.3M | 1% |
| 15 | EQXCN 4.75 10/15/28EQUINOX GOLD CORP | 14.9M | $25.1M | 1% |
| 16 | BA 6 10/15/27BOEING CO | 349,354 | $23.6M | 0.9% |
| 17 | RIG 4.625 09/30/29 *TRANSOCEAN INC | 15.2M | $23.5M | 0.9% |
| 18 | KMI 4.75 03/31/28EL PASO ENERGY CAP TR I | 446,461 | $22.6M | 0.9% |
| 19 | RSPINVESCO EXCHANGE TRADED FD T | 104,072 | $22.1M | 0.9% |
| 20 | VOOVANGUARD INDEX FDS | 32,210 | $22.1M | 0.9% |
| 21 | KMIKINDER MORGAN INC DELPUT | 678,900 | $21.7M | 0.8% |
| 22 | IREN 3.5 12/15/29 IRENIREN LIMITED | 6.0M | $21.2M | 0.8% |
| 23 | DOCN 0 12/01/26DIGITALOCEAN HLDGS INC | 17.2M | $19.5M | 0.8% |
| 24 | PTCT 1.5 09/15/26PTC THERAPEUTICS INC | 12.0M | $18.6M | 0.7% |
| 25 | SNOW 0 10/01/29SNOWFLAKE INC | 9.3M | $16.5M | 0.6% |
| 26 | XEROX HOLDINGS CORPPUT | 5.1M | $16.0M | 0.6% |
| 27 | WDCWESTERN DIGITAL CORP | 24,933 | $15.9M | 0.6% |
| 28 | GME 0 06/15/32GAMESTOP CORP | 14.9M | $15.2M | 0.6% |
| 29 | IAUISHARES GOLD TR | 200,040 | $15.1M | 0.6% |
| 30 | KIM 7.25 PERP NKIMCO REALTY CORP | 237,147 | $15.0M | 0.6% |
| 31 | SPYSTATE STR SPDR S&P 500 ETF TCALL | 19,000 | $14.2M | 0.6% |
| 32 | GOOGL 6.25 05/15/29 BALPHABET INC | 266,589 | $13.4M | 0.5% |
| 33 | SPYSTATE STR SPDR S&P 500 ETF T | 17,269 | $12.9M | 0.5% |
| 34 | PENPENUMBRA INC | 38,740 | $12.2M | 0.5% |
| 35 | IONSIONIS PHARMACEUTICALS INC | 152,289 | $12.1M | 0.5% |
| 36 | BBIO 1.75 03/01/31BRIDGEBIO PHARMA INC | 7.2M | $12.1M | 0.5% |
| 37 | CELC 2.75 08/01/31CELCUITY INC | 5.3M | $11.9M | 0.5% |
| 38 | HAE 2.5 06/01/29HAEMONETICS CORP MASS | 11.5M | $11.6M | 0.5% |
| 39 | PENPENUMBRA INCPUT | 36,100 | $11.4M | 0.4% |
| 40 | GH 1.25 02/15/31GUARDANT HEALTH INC | 4.5M | $11.3M | 0.4% |
| 41 | MARA 2.125 09/01/31MARA HOLDINGS INC | 10.0M | $11.1M | 0.4% |
| 42 | BKD 2 10/15/26BROOKDALE SR LIVING INC | 5.6M | $11.0M | 0.4% |
| 43 | ALNY 1 09/15/27ALNYLAM PHARMACEUTICALS INC | 9.1M | $10.9M | 0.4% |
| 44 | TMDX 1.5 06/01/28TRANSMEDICS GROUP INC | 10.0M | $10.9M | 0.4% |
| 45 | ON 0.5 03/01/29ON SEMICONDUCTOR CORP | 8.6M | $10.4M | 0.4% |
| 46 | OCEANHAWK ACQUISITION CORP | 1.0M | $10.3M | 0.4% |
| 47 | PPL 2.875 03/15/28PPL CAP FDG INC | 9.0M | $10.2M | 0.4% |
| 48 | FUTURECORP SPACE ACQUISITION | 1.0M | $10.1M | 0.4% |
| 49 | EA*ELECTRONIC ARTS INCPUT | 47,800 | $9.8M | 0.4% |
| 50 | MARA 0 03/01/30MARA HOLDINGS INC | 9.5M | $9.5M | 0.4% |
| 51 | GH 0 11/15/27GUARDANT HEALTH INC | 7.6M | $9.4M | 0.4% |
| 52 | CHART INDS INC | 44,924 | $9.4M | 0.4% |
| 53 | BYND 7 10/15/30BEYOND MEAT INC | 14.0M | $9.3M | 0.4% |
| 54 | JANUS HENDERSON GROUP PLC | 176,575 | $9.2M | 0.4% |
| 55 | SPE 2.75 01/27/27 CSPECIAL OPPORTUNITIES FD INC | 362,349 | $9.0M | 0.3% |
| 56 | LYFT 0.625 03/01/29LYFT INC | 8.5M | $8.9M | 0.3% |
| 57 | STEWSRH TOTAL RETURN FUND INC | 461,965 | $8.3M | 0.3% |
| 58 | NEE 7.375 02/15/29NEXTERA ENERGY INC | 172,063 | $8.2M | 0.3% |
| 59 | TLTISHARES TRCALL | 90,000 | $7.8M | 0.3% |
| 60 | ITGR 1.875 03/15/30INTEGER HLDGS CORP | 8.0M | $7.8M | 0.3% |
| 61 | CHART INDS INCPUT | 36,300 | $7.6M | 0.3% |
| 62 | SMCISUPER MICRO COMPUTER INCPUT | 253,900 | $7.4M | 0.3% |
| 63 | TITAN ACQUISITION CORP | 708,268 | $7.4M | 0.3% |
| 64 | GPRE 5.25 11/01/30 UNRSGREEN PLAINS INC | 5.3M | $7.1M | 0.3% |
| 65 | BTU 3.25 03/01/28PEABODY ENGR CORP | 5.2M | $7.0M | 0.3% |
| 66 | JAZZ PHARMACEUTICALS PLC | 29,041 | $7.0M | 0.3% |
| 67 | EQV VENTURES AC CORP. II | 673,659 | $6.9M | 0.3% |
| 68 | WEN ACQUISITION CORP | 647,631 | $6.7M | 0.3% |
| 69 | RVMDWREVOLUTION MEDICINES INC | 78,367 | $6.6M | 0.3% |
| 70 | XLESELECT SECTOR SPDR TRPUT | 119,700 | $6.4M | 0.2% |
| 71 | GOOGL 6.25 05/15/29 AALPHABET INC | 125,200 | $6.3M | 0.2% |
| 72 | DBMFLITMAN GREGORY FDS TR | 205,764 | $6.3M | 0.2% |
| 73 | MSTR 0 03/01/30STRATEGY INC | 7.0M | $6.2M | 0.2% |
| 74 | SWZTOTAL RETURN SECURITIES FUND | 1.0M | $6.2M | 0.2% |
| 75 | RVMDREVOLUTION MEDICINES INCPUT | 29,600 | $5.5M | 0.2% |
| 76 | LIONHEART HOLDINGS | 507,589 | $5.5M | 0.2% |
| 77 | AZULAZUL S A | 597,806 | $5.4M | 0.2% |
| 78 | AALAMERICAN AIRLINES GROUP INCPUT | 292,500 | $5.3M | 0.2% |
| 79 | TRG LATIN AMER ACQUIS CORP | 532,949 | $5.3M | 0.2% |
| 80 | FOURSHIFT4 PMTS INCPUT | 107,800 | $5.2M | 0.2% |
| 81 | BEBLOOM ENERGY CORP | 17,197 | $5.2M | 0.2% |
| 82 | NEE 7.299 06/01/27NEXTERA ENERGY INC | 97,165 | $5.2M | 0.2% |
| 83 | BABA 0.5 06/01/31ALIBABA GROUP HLDG LTD | 4.4M | $5.1M | 0.2% |
| 84 | SILA REALTY TRUST INC | 169,320 | $5.1M | 0.2% |
| 85 | ARMADA ACQUISITION CORP III | 499,959 | $5.0M | 0.2% |
| 86 | FOUR 6 05/01/28SHIFT4 PMTS INC | 81,137 | $5.0M | 0.2% |
| 87 | CTASIMPLIFY EXCHANGE TRADED FUN | 193,879 | $5.0M | 0.2% |
| 88 | MTSIMACOM TECH SOLUTIONS HLDGS I | 13,148 | $5.0M | 0.2% |
| 89 | EA*ELECTRONIC ARTS INC | 24,281 | $5.0M | 0.2% |
| 90 | ART TECHNOLOGY ACQUISITION C | 487,763 | $4.8M | 0.2% |
| 91 | TLTISHARES TRPUT | 55,000 | $4.8M | 0.2% |
| 92 | MARAMARA HOLDINGS INCPUT | 341,400 | $4.7M | 0.2% |
| 93 | LAKE SUPERIOR ACQUISITION CO | 465,598 | $4.7M | 0.2% |
| 94 | INFLECTION PT ACQUISITION CO | 454,422 | $4.7M | 0.2% |
| 95 | ECHOECHOSTAR CORPPUT | 45,200 | $4.6M | 0.2% |
| 96 | BRWSABA CAPITAL INCOME & OPRNT | 686,484 | $4.5M | 0.2% |
| 97 | KEYSTONE ACQUISITION CORP | 451,508 | $4.5M | 0.2% |
| 98 | DBRGDIGITALBRIDGE GROUP INC | 273,096 | $4.3M | 0.2% |
| 99 | DBRGDIGITALBRIDGE GROUP INCPUT | 272,900 | $4.3M | 0.2% |
| 100 | VRDN 1.75 05/15/32VIRIDIAN THERAPEUTICS INC | 4.0M | $4.3M | 0.2% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.