CSS LLC
- SEC CIK
- 0001103646
- Latest filing
- Aug 14, 2026
Holdings in Q4 2024
Holdings as of Dec 31, 2024, filed Feb 18, 2025. Long positions only; changes compare share counts with Q3 2024.
- Positions
- 639
- +43 vs. Q3 2024
- Portfolio value
- $1.68B
- −$40.0M (−2.3%) vs. Q3 2024
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| Liberty Media Corp531229AP7 | NOTE 3.750% 3/1 | – | $9.68M | 0.6% | – | – | – |
| Alliant Energy Corp018802AC2 | NOTE 3.875% 3/1 | – | $9.75M | 0.6% | – | – | – |
| Western Digital Corp958102AT2 | NOTE 3.000%11/1 | – | $9.96M | 0.6% | – | New | – |
| Intuitive Machines, Inc.46125A118 | *W EXP 02/13/202 | 1,301,106 | $10.3M | 0.6% | +394,852+43.6% | Added | – |
| STEWSRH Total Return Fund, Inc. | COM | 666,055 | $10.7M | 0.6% | +4,842+0.7% | Added | History |
| World Kinect Corp98149GAB6 | NOTE 3.250% 7/0 | – | $11.0M | 0.7% | – | – | – |
| Duke Energy CORP26441CBY0 | NOTE 4.125% 4/1 | – | $11.5M | 0.7% | – | – | – |
| CORZWCore Scientific, Inc. | *W EXP 01/23/202 | 1,404,146 | $11.5M | 0.7% | +411,816+41.5% | Added | History |
| Transocean Ltd.893830BT5 | DEB 4.000%12/1 | – | $12.4M | 0.7% | – | – | – |
| Bloom Energy Corp093712AK3 | NOTE 3.000% 6/0 | – | $13.7M | 0.8% | – | – | – |
| Zscaler, Inc.98980GAB8 | NOTE 0.125% 7/0 | – | $14.1M | 0.8% | – | – | – |
| Guess Inc401617AF2 | NOTE 3.750% 4/1 | – | $15.3M | 0.9% | – | – | – |
| EchoStar CORP278768AB2 | NOTE 3.875%11/3 | – | $15.8M | 0.9% | – | New | – |
| Transocean Ltd.893830BW8 | DEB 4.625% 9/3 | – | $16.2M | 1.0% | – | – | – |
| Exact Sciences Corp30063PAB1 | NOTE 0.375% 3/1 | – | $16.3M | 1.0% | – | – | – |
| Mannkind Corp56400PAQ5 | NOTE 2.500% 3/0 | – | $16.6M | 1.0% | – | – | – |
| Invesco Exchange Traded FD T46137V357 | S&P500 EQL WGT | 98,412 | $17.2M | 1.0% | +22,112+29.0% | Added | – |
| Snap Inc83304AAB2 | NOTE 0.750% 8/0 | – | $17.6M | 1.0% | – | – | – |
| Applied Optoelectronics, Inc.03823UAE2 | NOTE 2.750% 1/1 | – | $18.2M | 1.1% | – | New | – |
| Brookdale Sr Living Inc112463302 | UNIT 11/15/2023 | 286,141 | $19.8M | 1.2% | −9,993−3.4% | Reduced | – |
| Retrophin Inc761299AB2 | NOTE 2.500% 9/1 | – | $20.9M | 1.2% | – | – | – |
| Penn Natl Gaming Inc707569AU3 | NOTE 2.750% 5/1 | – | $23.2M | 1.4% | – | – | – |
| KIM.PNKimco Realty Corp | DP CV CL N 7.25% | 386,687 | $23.5M | 1.4% | +129,863+50.6% | Added | History |
| Imax Corp45245EAJ8 | NOTE 0.500% 4/0 | – | $23.5M | 1.4% | – | – | – |
| Centerpoint Energy Inc15189TBD8 | NOTE 4.250% 8/1 | – | $25.6M | 1.5% | – | – | – |
| Marriott Vacations Worldwide Corp57164YAD9 | NOTE 1/1 | – | $29.3M | 1.7% | – | – | – |
| MTSIMACOM Technology Solutions Holdings, Inc. | COM | 226,997 | $29.5M | 1.8% | +226,997 | New | History |
| Ionis Pharmaceuticals Inc462222AD2 | NOTE 4/0 | – | $33.4M | 2.0% | – | – | – |
| Vanguard S&P 500 ETF922908363 | ETF | 69,450 | $37.4M | 2.2% | +450+0.7% | Added | – |
| INSMED Inc457669AB5 | NOTE 0.750% 6/0 | – | $38.2M | 2.3% | – | – | – |
| Jazz Investments I Ltd472145AF8 | NOTE 2.000% 6/1 | – | $41.5M | 2.5% | – | – | – |
| Apollo Global Mgmt Inc03769M304 | SER A MAND CNV | 489,362 | $42.7M | 2.5% | +388,795+386.6% | Added | – |
| Peabody Engr Corp704551AD2 | NOTE 3.250% 3/0 | – | $47.6M | 2.8% | – | – | – |
| Chart Inds Inc16115Q407 | 6.75DP CNV PFD B | 733,800 | $52.0M | 3.1% | +733,800 | New | – |
| Stride, Inc.86333MAA6 | NOTE 1.125% 9/0 | – | $55.0M | 3.3% | – | – | – |
| American Airls Group Inc02376RAF9 | NOTE 6.500% 7/0 | – | $79.2M | 4.7% | – | – | – |
| Axon Enterprise, Inc.05464CAB7 | NOTE 0.500%12/1 | – | $80.3M | 4.8% | – | – | – |
| Moneylion Inc.60938K114 | *W EXP 09/22/202 | 20,345 | – | – | +8,488+71.6% | Added | – |
| RVMDWRevolution Medicines, Inc. | *W EXP 12/17/202 | 26,268 | – | – | +9,607+57.7% | Added | History |
Options (267)
Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.
The largest 100 of 267 by value.
| Security | Class | Puts | Calls |
|---|---|---|---|
| MSTRStrategy Inc | Stock | $112.7M | $3.33M |
| SPYSPDR S&P 500 ETF Trust | ETF | $24.0M | $62.8M |
| AALAmerican Airlines Group Inc. | Stock | $55.2M | – |
| ARK Innovation ETF00214Q104 | ETF | $17.3M | $3.70M |
| State Street Energy Select Sector SPDR ETF81369Y506 | ETF | $8.81M | $3.43M |
| SOFISoFi Technologies, Inc. | Stock | $10.2M | $57.0K |
| CCLCarnival Corp Ltd. | UNIT 99/99/9999 | $8.77M | – |
| iShares Tr464287432 | 20 YR TR BD ETF | $873.3K | $6.99M |
| iShares Tr464287234 | MSCI EMG MKT ETF | $5.02M | $2.09M |
| RCLRoyal Caribbean Cruises Ltd | COM | $6.87M | – |
| RIVNRivian Automotive, Inc. | Stock | $6.59M | $59.9K |
| JNPRJuniper Networks Inc | COM | $475.6K | $5.31M |
| GLDSPDR Gold Trust | ETF | $5.59M | – |
| State Street SPDR S&P Regional Banking ETF78464A698 | ETF | $4.83M | – |
| DDOGDatadog, Inc. | CL A COM | $4.79M | – |
| DASHDoorDash, Inc. | Stock | $4.41M | – |
| SIRISirius XM Holdings Inc. | COMMON STOCK | $1.55M | $2.71M |
| SMRNuscale Power Corp | CL A COM | $4.17M | $25.1K |
| RKLBRocket Lab Corp | COM | $4.12M | – |
| iShares Russell 2000 ETF464287655 | ETF | $3.98M | – |
| XUnited States Steel Corp | COM | $788.6K | $3.02M |
| State Street Financial Select Sector SPDR ETF81369Y605 | ETF | $3.62M | – |
| NCLHNorwegian Cruise Line Holdings Ltd. | SHS | $3.59M | – |
| AMZNAmazon Com Inc | Stock | $3.29M | – |
| PLTRPalantir Technologies Inc. | Stock | $3.18M | – |
| NIONIO Inc. | ADR | $3.02M | – |
| Alps ETF Tr00162Q452 | ALERIAN MLP | $1.74M | $1.22M |
| PCGPG&E Corp | Stock | $1.96M | $845.5K |
| Paramount Global92556H206 | CL B | $2.71M | – |
| TOSTToast, Inc. | Stock | $2.44M | $218.7K |
| TWLOTwilio Inc | CL A | $2.65M | – |
| EPREpr Properties | COM SH BEN INT | $2.64M | – |
| TSLATesla, Inc. | Stock | $2.62M | – |
| NETCloudflare, Inc. | CL A COM | $2.58M | – |
| UNHUnitedHealth Group Inc | Stock | $2.53M | – |
| NFLXNetflix Inc | Stock | $2.50M | – |
| State Street SPDR S&P Homebuilders ETF78464A888 | ETF | $2.19M | – |
| RBLXRoblox Corp | Stock | $1.32M | $867.9K |
| UGIUgi Corp | Stock | $2.15M | – |
| AFRMAffirm Holdings, Inc. | COM CL A | $1.83M | $243.6K |
| TXNTexas Instruments Inc | Stock | $2.06M | – |
| ADPAutomatic Data Processing Inc | Stock | $2.05M | – |
| MARAMARA Holdings, Inc. | COM | $1.95M | – |
| ROKURoku, Inc | COM CL A | $1.93M | – |
| CPRICapri Holdings Ltd | SHS | $676.0K | $1.22M |
| CMCSAComcast Corp | Stock | – | $1.88M |
| APDAir Products & Chemicals, Inc. | Stock | $1.87M | – |
| CVNACarvana Co. | CL A | $1.02M | $813.4K |
| DVNDevon Energy Corp | Stock | – | $1.81M |
| BILLBILL Holdings, Inc. | Stock | $1.78M | – |
| MCDMcDonalds Corp | Stock | $1.74M | – |
| TEAMAtlassian Corp | CL A | $1.58M | $121.7K |
| TTWOTake Two Interactive Software Inc | COM | $1.66M | – |
| SWKStanley Black & Decker, Inc. | COM | $1.64M | – |
| PLUGPlug Power Inc | Stock | $1.61M | – |
| TSCOTractor Supply Co | COM | $1.59M | – |
| AIC3.ai, Inc. | Stock | $106.7K | $1.38M |
| VEEVVeeva Systems Inc | Stock | – | $1.47M |
| UBERUber Technologies, Inc | Stock | $1.45M | – |
| NVAXNovavax Inc | COM NEW | $1.42M | – |
| HOODRobinhood Markets, Inc. | Stock | $1.38M | – |
| iShares MSCI Eafe ETF464287465 | ETF | $1.34M | – |
| CRMSalesforce, Inc. | Stock | – | $1.34M |
| DKNGDraftKings Inc. | Stock | $1.32M | – |
| SPDR Series Trust78468R556 | SP O&G EXPL PRO | – | $1.32M |
| UUnity Software Inc. | COM | $1.31M | – |
| IOTSamsara Inc. | Stock | $436.9K | $873.8K |
| LYFTLyft, Inc. | CL A COM | $1.04M | $258.0K |
| GENGen Digital Inc. | Stock | $438.1K | $821.4K |
| BPBP PLC | ADR | $147.8K | $1.11M |
| UNMUnum Group | Stock | – | $1.25M |
| AMEDAmedisys Inc | COM | $199.7K | $1.04M |
| ACNAccenture plc | Stock | $1.23M | – |
| TJXTJX Companies Inc | Stock | $1.21M | – |
| BXBlackstone Inc. | COM | $1.21M | – |
| NCNOnCino, Inc. | COM | $1.20M | – |
| CDNSCadence Design Systems Inc | Stock | $1.20M | – |
| CVSCVS Health Corp | Stock | – | $1.20M |
| CIVICivitas Resources, Inc. | EQUITY US CM | – | $1.13M |
| MPMP Materials Corp. | COM CL A | $946.9K | $181.0K |
| CNCCentene Corp | Stock | $169.6K | $908.7K |
| TTDTrade Desk, Inc. | Stock | $470.1K | $587.6K |
| MAMastercard Inc | Stock | $1.05M | – |
| VMCVulcan Materials CO | COM | $1.03M | – |
| NWLNewell Brands Inc. | Stock | $1.02M | – |
| ACIAlbertsons Companies, Inc. | COMMON STOCK | $919.2K | $98.2K |
| PAYXPaychex Inc | Stock | $981.5K | – |
| HTZHertz Global Holdings, Inc | COM NEW | $960.0K | – |
| OKEONEOK Inc | COM | $950.4K | – |
| ECHOEchoStar CORP | CL A | $944.6K | – |
| RFRegions Financial Corp | COM | – | $940.8K |
| SMTCSemtech Corp | Stock | $927.8K | – |
| RLRalph Lauren Corp | CL A | – | $923.9K |
| CFLTConfluent, Inc. | CLASS A COM | $922.7K | – |
| PTCPTC Inc. | Stock | $919.4K | – |
| GESGuess Inc | COM | $916.7K | – |
| SSentinelOne, Inc. | CL A | $714.8K | $195.4K |
| AXONAxon Enterprise, Inc. | COM | $891.5K | – |
| PLNTPlanet Fitness, Inc. | CL A | $889.8K | – |
| SLGSL Green Realty Corp | COM | $889.8K | – |
Sold out since Q3 2024 (146)
Positions held at the end of Q3 2024 that are gone from this filing.
The largest 100 of 146 by value last quarter.
| Security | Class | Shares in Q3 2024 | Value in Q3 2024 | % of portfolio in Q3 2024 | History |
|---|---|---|---|---|---|
| Macom Tech Solutions Hldgs I55405YAB6 | NOTE 0.250% 3/1 | – | $57.9M | 3.4% | – |
| RBC Bearings INC75524B203 | 5% CNV PFD SR A | 294,827 | $39.3M | 2.3% | – |
| Datadog, Inc.23804LAB9 | NOTE 0.125% 6/1 | – | $27.9M | 1.6% | – |
| Burlington Stores, Inc.122017AD8 | NOTE 1.250%12/1 | – | $25.1M | 1.5% | – |
| PetIQ, Inc.71639TAB2 | NOTE 4.000% 6/0 | – | $18.7M | 1.1% | – |
| Microchip Technology Inc595017AU8 | NOTE 0.125%11/1 | – | $16.7M | 1.0% | – |
| Sarepta Therapeutics, Inc.803607AB6 | DBCV 1.500%11/1 | – | $13.9M | 0.8% | – |
| Ventas Rlty Ltd Partnership92277GAZ0 | NOTE 3.750% 6/0 | – | $13.1M | 0.8% | – |
| Ionis Pharmaceuticals Inc462222AF7 | NOTE 1.750% 6/1 | – | $13.1M | 0.8% | – |
| DISH Network CORP25470MAF6 | NOTE 12/1 | – | $10.8M | 0.6% | – |
| HCM II Acquisition CorpG43658114 | UNIT 99/99/9999 | 886,287 | $8.87M | 0.5% | – |
| Voyager Acquisition CorpG93A7H120 | UNIT 99/99/9999 | 757,993 | $7.58M | 0.4% | – |
| Ormat Technologies, Inc.686688AB8 | NOTE 2.500% 7/1 | – | $6.26M | 0.4% | – |
| NCL Corp Ltd62886HBD2 | NOTE 1.125% 2/1 | – | $5.83M | 0.3% | – |
| Sea Ltd81141RAD2 | NOTE 1.000%12/0 | – | $4.70M | 0.3% | – |
| NCL Corp Ltd62886HBK6 | NOTE 2.500% 2/1 | – | $4.46M | 0.3% | – |
| MicroStrategy Inc594972AE1 | NOTE 2/1 | – | $4.16M | 0.2% | – |
| RCLRoyal Caribbean Cruises Ltd | COM | 21,970 | $3.90M | 0.2% | History |
| LPAALaunch One Acquisition Corp. | SHS CLASS A | 380,000 | $3.79M | 0.2% | History |
| Veeco Instrs Inc Del922417AG5 | NOTE 3.500% 1/1 | – | $3.39M | 0.2% | – |
| Perficient Inc71375UAF8 | NOTE 0.125%11/1 | – | $2.95M | 0.2% | – |
| BTSGUBrightSpring Health Services, Inc. | UNIT 02/01/2027 | 49,658 | $2.79M | 0.2% | History |
| Ziff Davis, Inc.48123VAH5 | DEBT 3.625% 3/0 | – | $2.39M | 0.1% | – |
| AANAaron's Company, Inc. | COM | 228,659 | $2.28M | 0.1% | History |
| CTLTCatalent, Inc. | COM | 36,888 | $2.23M | 0.1% | History |
| Dropbox, Inc.26210CAC8 | NOTE 3/0 | – | $2.23M | 0.1% | – |
| ALNYAlnylam Pharmaceuticals, Inc. | COM | 7,500 | $2.06M | 0.1% | History |
| WWayfair Inc. | CL A | 34,900 | $1.96M | 0.1% | History |
| PIImpinj Inc | COM | 8,723 | $1.89M | 0.1% | History |
| Haemonetics Corp Mass405024AB6 | NOTE 3/0 | – | $1.85M | 0.1% | – |
| Nuscale PWR Corp67079K118 | *W EXP 05/02/202 | 577,441 | $1.84M | 0.1% | – |
| VGRVector Group Ltd | COM | 120,554 | $1.80M | 0.1% | History |
| ALFCenturion Acquisition Corp. | SHS CL A | 165,949 | $1.66M | 0.1% | History |
| Snap Inc83304AAH9 | NOTE 0.125% 3/0 | – | $1.60M | 0.1% | – |
| HAYNHaynes International Inc | COM NEW | 26,184 | $1.56M | 0.1% | History |
| STERSterling Check Corp. | COM | 92,470 | $1.55M | 0.1% | History |
| PRFTPerficient Inc | COM | 20,195 | $1.52M | 0.1% | History |
| AXNXAxonics, Inc. | COM | 20,772 | $1.45M | 0.1% | History |
| EMOClearBridge Energy Midstream Opportunity Fund Inc. | COM | 34,088 | $1.44M | 0.1% | History |
| CONMED Corp207410AH4 | NOTE 2.250% 6/1 | – | $1.40M | 0.1% | – |
| PWSCPowerschool Holdings, Inc. | COM CL A | 58,600 | $1.34M | 0.1% | History |
| Shake Shack Inc.819047AB7 | NOTE 3/0 | – | $1.27M | 0.1% | – |
| CNSLConsolidated Communications Holdings, Inc. | COM | 267,133 | $1.24M | 0.1% | History |
| EPR.PCEpr Properties | PFD C CV 5.75% | 55,193 | $1.24M | 0.1% | History |
| NEENextera Energy Inc | Stock | 14,034 | $1.19M | 0.1% | History |
| AMEDAmedisys Inc | COM | 12,290 | $1.19M | 0.1% | History |
| VZIOVizio Holding Corp. | CL A COM | 102,989 | $1.15M | 0.1% | History |
| Sabre GLBL Inc78573NAK8 | NOTE 4.000% 8/0 | – | $1.12M | 0.1% | – |
| AGCOAGCO Corp | COM | 10,900 | $1.07M | 0.1% | History |
| Atlantica Sustainable Infr PG0751N103 | SHS | 46,587 | $1.02M | 0.1% | – |
| SWNSouthwestern Energy Co | COM | 136,033 | $967.2K | 0.1% | History |
| MROMarathon Oil Corp | COM | 33,791 | $899.9K | 0.1% | History |
| TTPTortoise Pipeline & Energy Fund, Inc. | COM | 21,323 | $899.8K | 0.1% | History |
| EVRGEvergy, Inc. | Stock | 14,465 | $897.0K | 0.1% | History |
| SRCLStericycle Inc | COM | 14,660 | $894.3K | 0.1% | History |
| Presidio MidCo Inc.G3106N125 | UNIT 99/99/9999 | 90,048 | $894.2K | 0.1% | – |
| NDPTortoise Energy Independence Fund, Inc. | COM | 23,055 | $868.1K | 0.1% | History |
| iShares Inc464286400 | MSCI BRAZIL ETF | 28,000 | $825.7K | <0.1% | – |
| LMTLockheed Martin Corp | Stock | 1,300 | $759.9K | <0.1% | History |
| SQSPSquarespace, Inc. | CLASS A | 15,674 | $727.7K | <0.1% | History |
| EXASExact Sciences Corp | COM | 10,600 | $722.1K | <0.1% | History |
| WSMWilliams Sonoma Inc | COM | 4,500 | $697.1K | <0.1% | History |
| KMBKimberly Clark Corp | Stock | 4,500 | $640.3K | <0.1% | History |
| Nuvei Corp67079A102 | COM | 18,570 | $619.3K | <0.1% | – |
| Exscientia PLC30223G102 | ADS | 126,782 | $618.7K | <0.1% | – |
| ITIIteris, Inc. | COM | 85,700 | $611.9K | <0.1% | History |
| DFSDiscover Financial Services | COM | 4,200 | $589.2K | <0.1% | History |
| AIGAmerican International Group, Inc. | Stock | 8,000 | $585.8K | <0.1% | History |
| HIIHuntington Ingalls Industries, Inc. | COM | 2,200 | $581.6K | <0.1% | History |
| CHUYChuy's Holdings, Inc. | COM | 15,000 | $561.0K | <0.1% | History |
| Invesco High Income 2024 Tar46136K105 | COM | 68,287 | $519.0K | <0.1% | – |
| UWM Holdings Corp91823B117 | *W EXP 01/21/202 | 852,693 | $511.6K | <0.1% | – |
| ADSKAutodesk, Inc. | COM | 1,850 | $509.6K | <0.1% | History |
| HUMHumana Inc | Stock | 1,600 | $506.8K | <0.1% | History |
| LKQLKQ Corp | COM | 12,590 | $502.6K | <0.1% | History |
| DRIDarden Restaurants Inc | COM | 3,001 | $492.6K | <0.1% | History |
| LBRDKLiberty Broadband Corp | COM SER C | 5,952 | $460.0K | <0.1% | History |
| RCMR1 RCM Inc. | COM | 32,000 | $453.4K | <0.1% | History |
| PCARPaccar Inc | COM | 4,520 | $446.0K | <0.1% | History |
| HSICHenry Schein Inc | COM | 5,800 | $422.8K | <0.1% | History |
| ONOn Semiconductor Corp | Stock | 5,500 | $399.4K | <0.1% | History |
| AMGNAmgen Inc | Stock | 1,200 | $386.7K | <0.1% | History |
| NUENucor Corp | COM | 2,500 | $375.9K | <0.1% | History |
| BOXBox Inc | CL A | 10,904 | $356.9K | <0.1% | History |
| ZTO Express (Cayman) Inc.98980AAB1 | NOTE 1.500% 9/0 | – | $355.8K | <0.1% | – |
| TTEKTetra Tech Inc | COM | 7,500 | $353.7K | <0.1% | History |
| PRGSProgress Software Corp | COM | 5,239 | $353.0K | <0.1% | History |
| HMNFHMN Financial Inc | COM | 12,575 | $350.8K | <0.1% | History |
| TELLTellurian Inc. | COM | 360,443 | $348.9K | <0.1% | History |
| JXNJackson Financial Inc. | COM CL A | 3,528 | $321.9K | <0.1% | History |
| NTGTortoise Midstream Energy Fund, Inc. | COM | 6,763 | $321.4K | <0.1% | History |
| SPGSimon Property Group Inc. | REIT | 1,900 | $321.1K | <0.1% | History |
| LBRTLiberty Energy Inc. | COM CL A | 16,300 | $311.2K | <0.1% | History |
| SYNASYNAPTICS Inc | Stock | 4,000 | $310.3K | <0.1% | History |
| VSTOVista Outdoor Inc. | COM | 7,439 | $291.5K | <0.1% | History |
| TPZTortoise Power & Energy Infrastructure Fund Inc | COM | 15,974 | $289.3K | <0.1% | History |
| GDOWestern Asset Global Corporate Opportunity Fund Inc. | COM | 22,382 | $288.1K | <0.1% | History |
| DCFBNY Mellon Alcentra Global Credit Income 2024 Target Term Fund, Inc. | COM | 30,872 | $283.4K | <0.1% | History |
| Abacus Life Inc00258Y112 | EQUITY WRT | 160,681 | $273.2K | <0.1% | – |
| AUGXAugmedix, Inc. | COM | 112,427 | $264.2K | <0.1% | History |