# CSS LLC/IL

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1103646. Source: https://holderbook.com/funds/1103646-css-llc-il/

- Reported value: $2.6B
- Positions: 850
- Weight of the ten largest: 35.0%
- Filed: 2026-08-14

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| LUMENTUM HLDGS INC | - | $245.6M | 37,554,000 | 9.6% | 5 |
| HEWLETT PACKARD ENTERPRISE C | [HPEPRC](https://holderbook.com/stocks/HPEPRC/) | $149.3M | 1,276,322 | 5.8% | 4 |
| ECHOSTAR CORP | - | $137.4M | 43,925,753 | 5.4% | 4 |
| APOLLO GLOBAL MGMT INC | [APOPRA](https://holderbook.com/stocks/APOPRA/) | $82.8M | 1,361,499 | 3.2% | 8 |
| BANK OF AMER CORP | [BACPRL](https://holderbook.com/stocks/BACPRL/) | $63.3M | 50,372 | 2.5% | 6 |
| WOLFSPEED INC | - | $54.2M | 13,773,940 | 2.1% | 3 |
| SUPER MICRO COMPUTER INC | [SMCIP](https://holderbook.com/stocks/SMCIP/) | $45.3M | 878,227 | 1.8% | 1 |
| CORE SCIENTIFIC INC NEW | [CORZW](https://holderbook.com/stocks/CORZW/) | $44.2M | 2,351,492 | 1.7% | 9 |
| MICROCHIP TECHNOLOGY INC. | [MCHPP](https://holderbook.com/stocks/MCHPP/) | $43.0M | 558,552 | 1.7% | 1 |
| CLOUDFLARE INC | - | $33.5M | 26,112,000 | 1.3% | 2 |
| AKAMAI TECHNOLOGIES INC | - | $29.6M | 24,797,000 | 1.2% | 5 |
| STATE STR SPDR S&P 500 ETF T | [SPY](https://holderbook.com/stocks/SPY/) | $29.0M | 17,269 | 1.1% | 22 |
| GAMESTOP CORP | [GME](https://holderbook.com/stocks/GME/) | $28.5M | 7,360 | 1.1% | 7 |
| ALBEMARLE CORP | [ALBPRA](https://holderbook.com/stocks/ALBPRA/) | $26.1M | 470,583 | 1.0% | 3 |
| CENTERPOINT ENERGY INC | - | $25.3M | 21,000,000 | 1.0% | 2 |
| EQUINOX GOLD CORP | - | $25.1M | 14,895,000 | 1.0% | 8 |
| PENUMBRA INC | [PEN](https://holderbook.com/stocks/PEN/) | $23.9M | 38,740 | 0.9% | 2 |
| BOEING CO | [BAPRA](https://holderbook.com/stocks/BAPRA/) | $23.6M | 349,354 | 0.9% | 1 |
| TRANSOCEAN INC | - | $23.5M | 15,168,000 | 0.9% | 15 |
| EL PASO ENERGY CAP TR I | [EPPRC](https://holderbook.com/stocks/EPPRC/) | $22.6M | 446,461 | 0.9% | 8 |
| INVESCO EXCHANGE TRADED FD T | [RSP](https://holderbook.com/stocks/RSP/) | $22.4M | 104,072 | 0.9% | 11 |
| VANGUARD INDEX FDS | [VOO](https://holderbook.com/stocks/VOO/) | $22.1M | 32,210 | 0.9% | 11 |
| KINDER MORGAN INC DEL | [KMI](https://holderbook.com/stocks/KMI/) | $21.7M | 0 | 0.8% | 1 |
| IREN LIMITED | - | $21.2M | 6,000,000 | 0.8% | 1 |
| DIGITALOCEAN HLDGS INC | - | $19.5M | 17,243,000 | 0.8% | 1 |
| PTC THERAPEUTICS INC | - | $18.6M | 12,002,000 | 0.7% | 5 |
| CHART INDS INC | [GTLS](https://holderbook.com/stocks/GTLS/) | $17.0M | 44,924 | 0.7% | 6 |
| SNOWFLAKE INC | - | $16.5M | 9,300,000 | 0.6% | 2 |
| XEROX HOLDINGS CORP | [XRX](https://holderbook.com/stocks/XRX/) | $16.0M | 0 | 0.6% | 2 |
| WESTERN DIGITAL CORP | [WDC](https://holderbook.com/stocks/WDC/) | $15.9M | 24,933 | 0.6% | 11 |
| ELECTRONIC ARTS INC | [EA](https://holderbook.com/stocks/EA/) | $15.6M | 24,281 | 0.6% | 4 |
| GAMESTOP CORP | - | $15.2M | 14,944,000 | 0.6% | 1 |
| ISHARES GOLD TR | [IAU](https://holderbook.com/stocks/IAU/) | $15.1M | 200,040 | 0.6% | 11 |
| KIMCO REALTY CORP | [KIMPRN](https://holderbook.com/stocks/KIMPRN/) | $15.0M | 237,147 | 0.6% | 10 |
| ALPHABET INC | - | $13.4M | 266,589 | 0.5% | 1 |
| ISHARES TR | [TLT](https://holderbook.com/stocks/TLT/) | $12.5M | 0 | 0.5% | 9 |
| IONIS PHARMACEUTICALS INC | [IONS](https://holderbook.com/stocks/IONS/) | $12.1M | 152,289 | 0.5% | 2 |
| BRIDGEBIO PHARMA INC | - | $12.1M | 7,175,000 | 0.5% | 2 |
| CELCUITY INC | - | $11.9M | 5,310,000 | 0.5% | 3 |
| HAEMONETICS CORP MASS | - | $11.6M | 11,500,000 | 0.5% | 3 |
| GUARDANT HEALTH INC | - | $11.3M | 4,514,000 | 0.4% | 3 |
| MARA HOLDINGS INC | - | $11.1M | 10,000,000 | 0.4% | 4 |
| BROOKDALE SR LIVING INC | - | $11.0M | 5,632,000 | 0.4% | 13 |
| ALNYLAM PHARMACEUTICALS INC | - | $10.9M | 9,063,000 | 0.4% | 2 |
| TRANSMEDICS GROUP INC | - | $10.9M | 10,000,000 | 0.4% | 1 |
| ON SEMICONDUCTOR CORP | - | $10.4M | 8,619,000 | 0.4% | 2 |
| OCEANHAWK ACQUISITION CORP | [OHACR](https://holderbook.com/stocks/OHACR/) | $10.3M | 1,038,610 | 0.4% | 1 |
| PPL CAP FDG INC | - | $10.2M | 8,988,000 | 0.4% | 3 |
| FUTURECORP SPACE ACQUISITION | [FTRA-UN](https://holderbook.com/stocks/FTRA-UN/) | $10.1M | 1,000,000 | 0.4% | 1 |
| JANUS HENDERSON GROUP PLC | [JHG](https://holderbook.com/stocks/JHG/) | $9.8M | 176,575 | 0.4% | 7 |
| MARA HOLDINGS INC | - | $9.5M | 9,467,000 | 0.4% | 3 |
| GUARDANT HEALTH INC | - | $9.4M | 7,577,000 | 0.4% | 1 |
| BEYOND MEAT INC | - | $9.3M | 14,003,381 | 0.4% | 3 |
| SPECIAL OPPORTUNITIES FD INC | [SPEPRC](https://holderbook.com/stocks/SPEPRC/) | $9.0M | 362,349 | 0.3% | 18 |
| LYFT INC | - | $8.9M | 8,520,000 | 0.3% | 4 |
| DIGITALBRIDGE GROUP INC | [DBRG](https://holderbook.com/stocks/DBRG/) | $8.6M | 273,096 | 0.3% | 2 |
| SUPER MICRO COMPUTER INC | [SMCI](https://holderbook.com/stocks/SMCI/) | $8.5M | 23,435 | 0.3% | 7 |
| SRH TOTAL RETURN FUND INC | [STEW](https://holderbook.com/stocks/STEW/) | $8.3M | 461,965 | 0.3% | 31 |
| NEXTERA ENERGY INC | [NEEPRV](https://holderbook.com/stocks/NEEPRV/) | $8.2M | 172,063 | 0.3% | 2 |
| INTEGER HLDGS CORP | - | $7.8M | 8,034,000 | 0.3% | 2 |
| TITAN ACQUISITION CORP | [TACH](https://holderbook.com/stocks/TACH/) | $7.4M | 708,268 | 0.3% | 5 |
| GREEN PLAINS INC | - | $7.1M | 5,256,000 | 0.3% | 3 |
| PEABODY ENGR CORP | - | $7.0M | 5,224,000 | 0.3% | 14 |
| JAZZ PHARMACEUTICALS PLC | [JAZZ](https://holderbook.com/stocks/JAZZ/) | $7.0M | 29,041 | 0.3% | 1 |
| EQV VENTURES AC CORP. II | [EVAC](https://holderbook.com/stocks/EVAC/) | $6.9M | 673,659 | 0.3% | 4 |
| INTERNATIONAL MONEY EXPRESS | [IMXI](https://holderbook.com/stocks/IMXI/) | $6.7M | 268,680 | 0.3% | 4 |
| WEN ACQUISITION CORP | [WENN](https://holderbook.com/stocks/WENN/) | $6.7M | 647,631 | 0.3% | 4 |
| REVOLUTION MEDICINES INC | [RVMDW](https://holderbook.com/stocks/RVMDW/) | $6.6M | 78,367 | 0.3% | 11 |
| SELECT SECTOR SPDR TR | [XLE](https://holderbook.com/stocks/XLE/) | $6.4M | 1,486 | 0.3% | 24 |
| ALPHABET INC | [GOOGN](https://holderbook.com/stocks/GOOGN/) | $6.3M | 125,200 | 0.2% | 1 |
| LITMAN GREGORY FDS TR | [DBMF](https://holderbook.com/stocks/DBMF/) | $6.3M | 205,764 | 0.2% | 16 |
| STRATEGY INC | - | $6.2M | 7,000,000 | 0.2% | 2 |
| TOTAL RETURN SECURITIES FUND | [SWZ](https://holderbook.com/stocks/SWZ/) | $6.2M | 1,040,190 | 0.2% | 31 |
| BLOOM ENERGY CORP | [BE](https://holderbook.com/stocks/BE/) | $6.0M | 17,197 | 0.2% | 9 |
| SHIFT4 PMTS INC | [FOUR](https://holderbook.com/stocks/FOUR/) | $5.7M | 8,471 | 0.2% | 2 |
| ECHOSTAR CORP | [ECHO](https://holderbook.com/stocks/ECHO/) | $5.5M | 9,442 | 0.2% | 9 |
| REVOLUTION MEDICINES INC | [RVMD](https://holderbook.com/stocks/RVMD/) | $5.5M | 0 | 0.2% | 3 |
| LIONHEART HOLDINGS | [CUB](https://holderbook.com/stocks/CUB/) | $5.5M | 507,589 | 0.2% | 1 |
| AZUL S A | - | $5.4M | 597,806 | 0.2% | 1 |
| SPDR GOLD TR | [GLD](https://holderbook.com/stocks/GLD/) | $5.3M | 0 | 0.2% | 18 |
| AMERICAN AIRLINES GROUP INC | [AAL](https://holderbook.com/stocks/AAL/) | $5.3M | 0 | 0.2% | 31 |
| TRG LATIN AMER ACQUIS CORP | - | $5.3M | 532,949 | 0.2% | 1 |
| NEXTERA ENERGY INC | [NEEPRS](https://holderbook.com/stocks/NEEPRS/) | $5.2M | 97,165 | 0.2% | 2 |
| ALIBABA GROUP HLDG LTD | - | $5.1M | 4,362,000 | 0.2% | 3 |
| SILA REALTY TRUST INC | [SILA](https://holderbook.com/stocks/SILA/) | $5.1M | 169,320 | 0.2% | 1 |
| ARMADA ACQUISITION CORP III | [AACIU](https://holderbook.com/stocks/AACIU/) | $5.0M | 499,959 | 0.2% | 2 |
| SHIFT4 PMTS INC | [FOURPRA](https://holderbook.com/stocks/FOURPRA/) | $5.0M | 81,137 | 0.2% | 3 |
| SIMPLIFY EXCHANGE TRADED FUN | [CTA](https://holderbook.com/stocks/CTA/) | $5.0M | 193,879 | 0.2% | 11 |
| MACOM TECH SOLUTIONS HLDGS I | [MTSI](https://holderbook.com/stocks/MTSI/) | $5.0M | 13,148 | 0.2% | 4 |
| STRATEGY INC | [MSTR](https://holderbook.com/stocks/MSTR/) | $4.9M | 13,632 | 0.2% | 10 |
| ART TECHNOLOGY ACQUISITION C | [ARTC](https://holderbook.com/stocks/ARTC/) | $4.8M | 487,763 | 0.2% | 2 |
| MARA HOLDINGS INC | [MARA](https://holderbook.com/stocks/MARA/) | $4.7M | 0 | 0.2% | 10 |
| LAKE SUPERIOR ACQUISITION CO | [LKSP](https://holderbook.com/stocks/LKSP/) | $4.7M | 465,598 | 0.2% | 3 |
| INFLECTION PT ACQUISITION CO | [IPCX](https://holderbook.com/stocks/IPCX/) | $4.7M | 454,422 | 0.2% | 5 |
| SABA CAPITAL INCOME & OPRNT | [BRW](https://holderbook.com/stocks/BRW/) | $4.5M | 686,484 | 0.2% | 17 |
| KEYSTONE ACQUISITION CORP | - | $4.5M | 451,508 | 0.2% | 1 |
| SM ENERGY COMPANY | [SM](https://holderbook.com/stocks/SM/) | $4.4M | 65,175 | 0.2% | 3 |
| VIRIDIAN THERAPEUTICS INC | - | $4.3M | 4,000,000 | 0.2% | 1 |
| NVIDIA CORPORATION | [NVDA](https://holderbook.com/stocks/NVDA/) | $4.3M | 5,946 | 0.2% | 2 |
| LIBERTY LIVE HOLDINGS INC | [LLYVA](https://holderbook.com/stocks/LLYVA/) | $4.2M | 41,755 | 0.2% | 3 |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $2.6B | 850 |
| Q1 2026 | $2.1B | 817 |
| Q4 2025 | $2.2B | 870 |
| Q3 2025 | $2.2B | 827 |
| Q2 2025 | $2.1B | 795 |
| Q1 2025 | $1.8B | 732 |
| Q4 2024 | $2.3B | 767 |
| Q3 2024 | $2.2B | 697 |
| Q2 2024 | $2.0B | 700 |
| Q1 2024 | $1.7B | 674 |
| Q4 2023 | $1.7B | 654 |
| Q3 2023 | $1.5B | 658 |