CSS LLC
- SEC CIK
- 0001103646
- Latest filing
- Aug 14, 2026
Holdings in Q1 2025
Holdings as of Mar 31, 2025, filed May 15, 2025. Long positions only; changes compare share counts with Q4 2024.
- Positions
- 630
- −9 vs. Q4 2024
- Portfolio value
- $1.43B
- −$244.9M (−14.6%) vs. Q4 2024
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| Apollo Global Mgmt Inc03769M304 | SER A MAND CNV | 200,150 | $14.7M | 1.0% | −289,212−59.1% | Reduced | – |
| Duke Energy CORP26441CBY0 | NOTE 4.125% 4/1 | – | $15.5M | 1.1% | – | – | – |
| Ascendis Pharma A/S04351PAD3 | NOTE 2.250% 4/0 | – | $16.0M | 1.1% | – | – | – |
| Mannkind Corp56400PAQ5 | NOTE 2.500% 3/0 | – | $16.2M | 1.1% | – | – | – |
| Transocean Ltd.893830BW8 | DEB 4.625% 9/3 | – | $16.9M | 1.2% | – | – | – |
| Invesco Exchange Traded FD T46137V357 | S&P500 EQL WGT | 98,992 | $17.1M | 1.2% | +580+0.6% | Added | – |
| KIM.PNKimco Realty Corp | DP CV CL N 7.25% | 292,597 | $17.6M | 1.2% | −94,090−24.3% | Reduced | History |
| Alliant Energy Corp018802AC2 | NOTE 3.875% 3/1 | – | $17.7M | 1.2% | – | – | – |
| Snap Inc83304AAB2 | NOTE 0.750% 8/0 | – | $18.3M | 1.3% | – | – | – |
| Retrophin Inc761299AB2 | NOTE 2.500% 9/1 | – | $20.8M | 1.5% | – | – | – |
| Strategy Inc594972AL5 | NOTE 0.875% 3/1 | – | $21.8M | 1.5% | – | New | – |
| Ventas Rlty Ltd Partnership92277GAZ0 | NOTE 3.750% 6/0 | – | $21.8M | 1.5% | – | New | – |
| SHIFT4 PMTS Inc82452JAB5 | NOTE 12/1 | – | $24.3M | 1.7% | – | – | – |
| Imax Corp45245EAJ8 | NOTE 0.500% 4/0 | – | $24.3M | 1.7% | – | – | – |
| Southwest Airls Co844741BG2 | NOTE 1.250% 5/0 | – | $24.4M | 1.7% | – | New | – |
| AXONAxon Enterprise, Inc. | COM | 47,404 | $24.9M | 1.7% | +47,404 | New | History |
| Peabody Engr Corp704551AD2 | NOTE 3.250% 3/0 | – | $26.0M | 1.8% | – | – | – |
| Marriott Vacations Worldwide Corp57164YAD9 | NOTE 1/1 | – | $31.9M | 2.2% | – | – | – |
| Vanguard S&P 500 ETF922908363 | ETF | 66,570 | $34.2M | 2.4% | −2,880−4.1% | Reduced | – |
| Penn Natl Gaming Inc707569AU3 | NOTE 2.750% 5/1 | – | $34.6M | 2.4% | – | – | – |
| Ionis Pharmaceuticals Inc462222AD2 | NOTE 4/0 | – | $44.6M | 3.1% | – | – | – |
| Jazz Investments I Ltd472145AF8 | NOTE 2.000% 6/1 | – | $50.3M | 3.5% | – | – | – |
| INSMED Inc457669AB5 | NOTE 0.750% 6/0 | – | $53.4M | 3.7% | – | – | – |
| Stride, Inc.86333MAA6 | NOTE 1.125% 9/0 | – | $66.6M | 4.6% | – | – | – |
| American Airls Group Inc02376RAF9 | NOTE 6.500% 7/0 | – | $67.3M | 4.7% | – | – | – |
| Moneylion Inc.60938K114 | *W EXP 09/22/202 | 14,055 | – | – | −6,290−30.9% | Reduced | – |
| DAVEWDave Inc. | EQUITY WRT | 11,115 | – | – | +11,115 | New | History |
| RVMDWRevolution Medicines, Inc. | *W EXP 12/17/202 | 51,388 | – | – | +25,120+95.6% | Added | History |
| Jackson Acquisition Co IIG4992A136 | RIGHT 99/99/9999 | 20,000 | – | – | +20,000 | New | – |
| KFIIRK&F Growth Acquisition Corp. II | RIGHT 08/29/2031 | 13,960 | – | – | +13,960 | New | History |
Options (233)
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 233 by value.
| Security | Class | Puts | Calls |
|---|---|---|---|
| MSTRStrategy Inc | Stock | $72.2M | $432.4K |
| SPYSPDR S&P 500 ETF Trust | ETF | $25.2M | $20.1M |
| iShares Tr464287432 | 20 YR TR BD ETF | – | $22.3M |
| AALAmerican Airlines Group Inc. | Stock | $20.5M | – |
| Sandisk Corp80004C950 | PUT | $15.7M | – |
| iShares Russell Mid-Cap Growth ETF464287481 | ETF | $7.31M | $2.29M |
| GMEGameStop Corp. | Stock | $9.33M | – |
| SOFISoFi Technologies, Inc. | Stock | $6.98M | $409.4K |
| RIVNRivian Automotive, Inc. | Stock | $6.65M | $56.0K |
| BECNQxo Building Products, Inc. | COM | $6.56M | – |
| State Street Energy Select Sector SPDR ETF81369Y506 | ETF | $5.14M | $233.6K |
| State Street SPDR S&P Regional Banking ETF78464A698 | ETF | $5.12M | – |
| WEXWEX Inc. | COM | $4.27M | $643.8K |
| iShares Inc464286749 | MSCI SWITZERLAND | – | $4.45M |
| GLDSPDR Gold Trust | ETF | $4.32M | – |
| MLMoneylion Inc. | COMM STK | $3.92M | – |
| iShares Tr464287515 | EXPANDED TECH | – | $3.89M |
| UGIUgi Corp | Stock | $2.51M | $1.35M |
| XUnited States Steel Corp | COM | $211.3K | $3.33M |
| ARK Innovation ETF00214Q104 | ETF | $713.7K | $2.83M |
| State Street Financial Select Sector SPDR ETF81369Y605 | ETF | $3.52M | – |
| iShares Tr464287234 | MSCI EMG MKT ETF | $3.06M | $218.5K |
| APDAir Products & Chemicals, Inc. | Stock | $3.08M | – |
| AMDAdvanced Micro Devices Inc | Stock | $2.47M | $411.0K |
| Paramount Global92556H206 | CL B | $2.85M | $7.18K |
| RKLBRocket Lab Corp | COM | $2.71M | – |
| DDOGDatadog, Inc. | CL A COM | $2.58M | – |
| JNPRJuniper Networks Inc | COM | $1.70M | $803.4K |
| PLTRPalantir Technologies Inc. | Stock | $1.94M | $337.6K |
| NIONIO Inc. | ADR | $2.22M | – |
| OPFIOppFi Inc. | COM CL A | $2.10M | – |
| MARAMARA Holdings, Inc. | COM | $2.06M | – |
| GTLSChart Industries Inc | COM | $1.83M | – |
| HUBSHubSpot Inc | COM | $1.83M | – |
| iShares Russell 2000 ETF464287655 | ETF | $997.5K | $798.0K |
| AMZNAmazon Com Inc | Stock | $1.71M | – |
| ROKURoku, Inc | COM CL A | $704.4K | $950.9K |
| ITCIIntra-Cellular Therapies, Inc. | COM | $1.58M | – |
| iShares Russell 1000 Value ETF464287598 | ETF | $1.51M | – |
| SYKStryker Corp | Stock | $1.49M | – |
| AFRMAffirm Holdings, Inc. | COM CL A | $808.9K | $632.7K |
| MPMP Materials Corp. | COM CL A | $1.36M | – |
| COINCoinbase Global, Inc. | COM CL A | $809.5K | $482.2K |
| DKNGDraftKings Inc. | Stock | $830.3K | $398.5K |
| GMGeneral Motors Co | COM | – | $1.18M |
| CIVICivitas Resources, Inc. | EQUITY US CM | – | $1.17M |
| QCOMQualcomm Inc | Stock | – | $1.08M |
| UUnity Software Inc. | COM | $685.6K | $385.9K |
| ECHOEchoStar CORP | CL A | $1.06M | – |
| PCGPG&E Corp | Stock | $859.0K | $171.8K |
| GENGen Digital Inc. | Stock | $875.8K | $132.7K |
| FLSFlowserve Corp | COM | – | $976.8K |
| VMCVulcan Materials CO | COM | $933.2K | – |
| SLViShares Silver Trust | ETF | – | $929.7K |
| HTZHertz Global Holdings, Inc | COM NEW | $914.9K | – |
| TRUPTrupanion, Inc. | COM | $913.1K | – |
| VZVerizon Communications Inc | Stock | – | $907.2K |
| CFLTConfluent, Inc. | CLASS A COM | $771.2K | $93.8K |
| RACEFerrari N.V. | COM | $855.8K | – |
| TAT&T Inc. | Stock | – | $848.4K |
| GAPGap Inc | COM | – | $824.4K |
| GRNDGrindr Inc. | COM | $698.1K | $116.3K |
| ZSZscaler, Inc. | Stock | $793.7K | – |
| ELEstee Lauder Companies Inc | CL A | $792.0K | – |
| BBAIBigBear.ai Holdings, Inc. | COM | $773.6K | – |
| PFEPfizer Inc | Stock | – | $760.2K |
| GRPNGroupon, Inc. | COM NEW | – | $747.0K |
| CVSCVS Health Corp | Stock | – | $745.3K |
| HESHess Corp | Stock | $319.5K | $399.3K |
| XELXcel Energy Inc | Stock | – | $715.0K |
| PLUGPlug Power Inc | Stock | $706.3K | – |
| ABAlliancebernstein Holding L.P. | UNIT LTD PARTN | $693.4K | – |
| CHWYChewy, Inc. | CL A | $682.7K | – |
| SIRISirius XM Holdings Inc. | COMMON STOCK | $196.5K | $468.9K |
| ENVXEnovix Corp | COM | $659.9K | – |
| DMDesktop Metal, Inc. | COM CL A | $190.5K | $467.9K |
| GRMNGarmin Ltd | SHS | – | $651.4K |
| TTETotalEnergies SE | SPONSORED ADS | – | $646.9K |
| ROKRockwell Automation, Inc | Stock | $646.0K | – |
| HEESH&E Equipment Services, Inc. | COM | $635.1K | – |
| EQXEquinox Gold Corp. | COM | $631.6K | – |
| AIC3.ai, Inc. | Stock | $210.5K | $421.0K |
| ADMArcher-Daniels-Midland Co | Stock | – | $628.9K |
| CVNACarvana Co. | CL A | $209.1K | $418.2K |
| MCDMcDonalds Corp | Stock | $624.7K | – |
| KMXCarMax Inc | COM | $623.4K | – |
| CTASCintas Corp | Stock | $616.6K | – |
| FLEXFlex Ltd. | Stock | – | $595.4K |
| VRSKVerisk Analytics, Inc. | COM | $595.2K | – |
| ACCDAccolade, Inc. | COM | $593.3K | – |
| SBUXStarbucks Corp | Stock | $588.5K | – |
| CCLCarnival Corp Ltd. | UNIT 99/99/9999 | $585.9K | – |
| RBLXRoblox Corp | Stock | $291.4K | $291.4K |
| SYFSynchrony Financial | COM | – | $582.3K |
| SHOPShopify Inc. | Stock | $572.9K | – |
| ORCLOracle Corp | Stock | – | $559.2K |
| CORCencora, Inc. | Stock | – | $556.2K |
| UPSTUpstart Holdings, Inc. | COM | $92.1K | $460.3K |
| CHDChurch & Dwight Co Inc | COM | $550.5K | – |
| NCNOnCino, Inc. | COM | $549.4K | – |
Sold out since Q4 2024 (165)
Positions held at the end of Q4 2024 that are gone from this filing.
The largest 100 of 165 by value last quarter.
| Security | Class | Shares in Q4 2024 | Value in Q4 2024 | % of portfolio in Q4 2024 | History |
|---|---|---|---|---|---|
| Axon Enterprise, Inc.05464CAB7 | NOTE 0.500%12/1 | – | $80.3M | 4.8% | – |
| MTSIMACOM Technology Solutions Holdings, Inc. | COM | 226,997 | $29.5M | 1.8% | History |
| Centerpoint Energy Inc15189TBD8 | NOTE 4.250% 8/1 | – | $25.6M | 1.5% | – |
| Brookdale Sr Living Inc112463302 | UNIT 11/15/2023 | 286,141 | $19.8M | 1.2% | – |
| Exact Sciences Corp30063PAB1 | NOTE 0.375% 3/1 | – | $16.3M | 1.0% | – |
| Zscaler, Inc.98980GAB8 | NOTE 0.125% 7/0 | – | $14.1M | 0.8% | – |
| Bloom Energy Corp093712AK3 | NOTE 3.000% 6/0 | – | $13.7M | 0.8% | – |
| Intuitive Machines, Inc.46125A118 | *W EXP 02/13/202 | 1,301,106 | $10.3M | 0.6% | – |
| PCG.PXPG&E Corp | PFD CONV SER A | 179,900 | $8.98M | 0.5% | History |
| Insight Enterprises Inc45765UAB9 | NOTE 0.750% 2/1 | – | $8.93M | 0.5% | – |
| Grindr Inc.39854F119 | *W EXP 11/18/202 | 1,139,604 | $7.69M | 0.5% | – |
| PTC Therapeutics, Inc.69366JAD3 | NOTE 1.500% 9/1 | – | $6.68M | 0.4% | – |
| Cohen Circle Acquisition CorG3730H106 | SHS CL A | 657,334 | $6.57M | 0.4% | – |
| NTWONewbury Street II Acquisition Corp | ORD SHS CL A | 640,900 | $6.41M | 0.4% | History |
| Insulet Corp45784PAK7 | NOTE 0.375% 9/0 | – | $6.33M | 0.4% | – |
| AvePoint, Inc.053604112 | EQUITY WRT | 998,075 | $5.65M | 0.3% | – |
| Akamai Technologies Inc00971TAL5 | NOTE 0.375% 9/0 | – | $5.14M | 0.3% | – |
| Shopify Inc.82509LAA5 | NOTE 0.125%11/0 | – | $5.11M | 0.3% | – |
| GEARRevelyst, Inc. | COM SHS | 261,397 | $5.03M | 0.3% | History |
| Square Inc852234AF0 | NOTE 0.125% 3/0 | – | $4.96M | 0.3% | – |
| Spotify USA Inc84921RAB6 | NOTE 3/1 | – | $4.30M | 0.3% | – |
| TDACUTranslational Development Acquisition Corp. | UNIT 99/99/9999 | 400,000 | $4.01M | 0.2% | History |
| Pebblebrook Hotel Tr70509VAA8 | NOTE 1.750%12/1 | – | $3.86M | 0.2% | – |
| Dexcom Inc252131AM9 | NOTE 0.375% 5/1 | – | $3.69M | 0.2% | – |
| TPZTortoise Power & Energy Infrastructure Fund Inc | POWER ENRGY INFR | 170,928 | $3.43M | 0.2% | History |
| Sarepta Therapeutics, Inc.803607AD2 | NOTE 1.250% 9/1 | – | $3.39M | 0.2% | – |
| TransMedics Group, Inc.89377MAB5 | NOTE 1.500% 6/0 | – | $3.26M | 0.2% | – |
| Teladoc Health, Inc.87918AAF2 | NOTE 1.250% 6/0 | – | $3.09M | 0.2% | – |
| SSBSouthState Bank Corp | COM | 30,968 | $3.08M | 0.2% | History |
| Bentley Sys Inc08265TAB5 | NOTE 0.125% 1/1 | – | $3.01M | 0.2% | – |
| AAOIApplied Optoelectronics, Inc. | COM | 73,590 | $2.71M | 0.2% | History |
| BridgeBio Pharma, Inc.10806XAB8 | NOTE 2.500% 3/1 | – | $2.61M | 0.2% | – |
| Post Hldgs Inc737446AT1 | NOTE 2.500% 8/1 | – | $2.38M | 0.1% | – |
| HCPHashiCorp, Inc. | COM CL A | 69,512 | $2.38M | 0.1% | History |
| HTLFHeartland Financial USA Inc | COM | 34,715 | $2.13M | 0.1% | History |
| Alps ETF Tr00162Q452 | ALERIAN MLP | 43,854 | $2.11M | 0.1% | – |
| Redwire Corp75776W111 | *W EXP 05/27/202 | 329,991 | $2.10M | 0.1% | – |
| Okta, Inc.679295AD7 | NOTE 0.125% 9/0 | – | $2.07M | 0.1% | – |
| Travere Therapeutics, Inc.89422GAA5 | NOTE 2.250% 3/0 | – | $1.95M | 0.1% | – |
| Cloudflare, Inc.18915MAC1 | NOTE 8/1 | – | $1.92M | 0.1% | – |
| Novavax Inc670002AD6 | NOTE 5.000%12/1 | – | $1.90M | 0.1% | – |
| Pinduoduo Inc722304AC6 | NOTE 12/0 | – | $1.80M | 0.1% | – |
| Semtech Corp816850AF8 | NOTE 1.625%11/0 | – | $1.77M | 0.1% | – |
| Guardant Health, Inc.40131MAB5 | NOTE 11/1 | – | $1.68M | 0.1% | – |
| State Street SPDR S&P Homebuilders ETF78464A888 | ETF | 15,850 | $1.66M | 0.1% | – |
| CEFSprott Physical Gold & Silver Trust | PHYSICAL GOLD AN | 64,929 | $1.54M | 0.1% | History |
| SMARSmartsheet Inc | COM CL A | 26,900 | $1.51M | 0.1% | History |
| Liberty Media Corp531229AQ5 | NOTE 2.250% 8/1 | – | $1.47M | 0.1% | – |
| Revance Therapeutics, Inc.761330AB5 | NOTE 1.750% 2/1 | – | $1.44M | 0.1% | – |
| UNHUnitedHealth Group Inc | Stock | 2,200 | $1.11M | 0.1% | History |
| PG&E Corp69331CAL2 | NOTE 4.250%12/0 | – | $1.09M | 0.1% | – |
| ARCHArch Resources, Inc. | CL A | 7,327 | $1.03M | 0.1% | History |
| ESGREnstar Group LTD | SHS | 3,133 | $1.01M | 0.1% | History |
| HPE.PCHewlett Packard Enterprise Co | 7.625 MAND CONV | 15,076 | $932.8K | 0.1% | History |
| PFCPremier Financial Corp | COM | 35,082 | $897.0K | 0.1% | History |
| iShares Russell 2000 ETF464287655 | ETF | 4,000 | $883.8K | 0.1% | – |
| MPMP Materials Corp. | COM CL A | 55,700 | $868.9K | 0.1% | History |
| ASPCUASPAC III Acquisition Corp. | UNIT 02/15/2029 | 85,564 | $861.6K | 0.1% | History |
| Progress Software Corp743312AB6 | NOTE 1.000% 4/1 | – | $840.3K | 0.1% | – |
| RPDRapid7, Inc. | COM | 20,800 | $836.8K | <0.1% | History |
| CFBCrossfirst Bankshares, Inc. | COM | 54,928 | $832.2K | <0.1% | History |
| ALTMArcadium Lithium plc | Stock | 161,582 | $828.9K | <0.1% | History |
| UBERUber Technologies, Inc | Stock | 13,277 | $800.9K | <0.1% | History |
| INBXInhibrx Biosciences, Inc. | COM | 51,712 | $796.4K | <0.1% | History |
| SKXSkechers USA Inc | CL A | 11,230 | $755.1K | <0.1% | History |
| BMEZBlackRock Health Sciences Term Trust | COM SHS | 52,075 | $749.9K | <0.1% | History |
| GATOGatos Silver, Inc. | COM | 52,924 | $739.9K | <0.1% | History |
| FCNCAFirst Citizens Bancshares Inc | CL A | 350 | $739.6K | <0.1% | History |
| Neogenomics Inc64049MAB6 | NOTE 0.250% 1/1 | – | $739.0K | <0.1% | – |
| BNTBrookfield Wealth Solutions Ltd. | CL A EXCHANGEAB | 12,770 | $733.5K | <0.1% | History |
| AVGOBroadcom Inc. | Stock | 3,030 | $702.5K | <0.1% | History |
| HYBNew America High Income Fund Inc | COM NEW | 80,462 | $657.4K | <0.1% | History |
| WSO.BWatsco Inc | CL B CONV | 1,295 | $625.4K | <0.1% | History |
| ABBVAbbVie Inc. | Stock | 3,340 | $593.5K | <0.1% | History |
| BM Technologies, Inc.05591L115 | *W EXP 01/04/202 | 1,014,636 | $591.0K | <0.1% | – |
| SIRISirius XM Holdings Inc. | COMMON STOCK | 24,260 | $553.1K | <0.1% | History |
| FCXFreeport-McMoran Inc | Stock | 14,445 | $550.1K | <0.1% | History |
| USAPUniversal Stainless & Alloy Products Inc | COM | 12,209 | $537.6K | <0.1% | History |
| DASHDoorDash, Inc. | Stock | 3,100 | $520.0K | <0.1% | History |
| AEAdams Resources & Energy, Inc. | COM NEW | 13,587 | $512.9K | <0.1% | History |
| SMMTSummit Therapeutics Inc. | COM | 27,314 | $487.4K | <0.1% | History |
| SWKStanley Black & Decker, Inc. | COM | 5,992 | $481.1K | <0.1% | History |
| WINGWingstop Inc. | COM | 1,679 | $477.2K | <0.1% | History |
| LOPEGrand Canyon Education, Inc. | COM | 2,814 | $460.9K | <0.1% | History |
| Sky Harbour Group Corporatio83085C115 | *W EXP 10/21/202 | 151,642 | $442.8K | <0.1% | – |
| MLIMueller Industries Inc | COM | 5,540 | $439.7K | <0.1% | History |
| ENOVEnovis CORP | COM | 9,900 | $434.4K | <0.1% | History |
| BGBunge Global SA | COM SHS | 5,530 | $430.0K | <0.1% | History |
| TDCTeradata Corp | Stock | 13,676 | $426.0K | <0.1% | History |
| WIWWestern Asset Inflation-Linked Opportunities & Income Fund | CEF | 50,627 | $418.7K | <0.1% | History |
| SHWSherwin Williams Co | COM | 1,230 | $418.1K | <0.1% | History |
| GEFGreif, Inc | CL A | 6,808 | $416.1K | <0.1% | History |
| ALTRAltair Engineering Inc. | COM CL A | 3,800 | $414.6K | <0.1% | History |
| HTZHertz Global Holdings, Inc | COM NEW | 110,704 | $405.2K | <0.1% | History |
| ICCHICC Holdings, Inc. | COM | 17,160 | $399.5K | <0.1% | History |
| CNOBConnectOne Bancorp, Inc. | COM | 17,433 | $399.4K | <0.1% | History |
| GMEGameStop Corp. | Stock | 12,300 | $385.5K | <0.1% | History |
| ACLSAxcelis Technologies Inc | Stock | 5,506 | $384.7K | <0.1% | History |
| SJMJ M SMUCKER Co | Stock | 3,470 | $382.1K | <0.1% | History |
| TRIPTripAdvisor, Inc. | COM | 25,667 | $379.1K | <0.1% | History |