Css LLC/Il Top Holdings and 13F Report (2025) About Css LLC/IlInvestment ActivityCss LLC/Il has $2.14 billion in total holdings as of June 30, 2025.Css LLC/Il owns shares of 795 different stocks, but just 167 companies or ETFs make up 80% of its holdings.Approximately 40.44% of the portfolio was purchased this quarter.About 32.15% of the portfolio was sold this quarter.This quarter, Css LLC/Il has purchased 732 new stocks and bought additional shares in 229 stocks.Css LLC/Il sold shares of 222 stocks and completely divested from 180 stocks this quarter.Largest Holdings MicroStrategy $110,759,020STRIDE INC $75,937,716SPDR S&P 500 ETF Trust $75,377,700IONIS PHARMACEUTICALS INC $58,036,595JAZZ INVESTMENTS I LTD $52,632,908 Largest New Holdings this Quarter 10950A205 - BRIGHTSPRING HEALTH SVCS INC $33,034,521 Holding594972AN1 - MICROSTRATEGY INC $32,048,929 Holding90353TAM2 - UBER TECHNOLOGIES INC $22,937,154 Holding09627Y109 - Blueprint Medicines $20,148,102 Holding94419LAR2 - WAYFAIR INC $19,233,482 Holding Largest Purchases this Quarter BRIGHTSPRING HEALTH SVCS INC 400,466 shares (about $33.03M)MICROSTRATEGY INC 14,897,000 shares (about $32.05M)NEXTERA ENERGY INC 756,498 shares (about $30.10M)SEAGATE HDD CAYMAN 14,631,000 shares (about $26.31M)SPDR S&P 500 ETF Trust 40,968 shares (about $25.31M) Largest Sales this Quarter AMERICAN AIRLINES GROUP INC 64,683,000 shares (about $64.67M)Axon Enterprise 42,470 shares (about $35.16M)Vanguard S&P 500 ETF 38,580 shares (about $21.91M)ALLIANT ENERGY CORP 16,390,000 shares (about $16.92M)VENTAS RLTY LTD PARTNERSHIP 13,396,000 shares (about $15.85M) Sector Allocation Over TimeMap of 500 Largest Holdings ofCss LLC/Il Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorMSTRMicroStrategy$110,759,020$8,933,483 ▲8.8%274,0005.2%Computer and TechnologySTRIDE INC$75,937,7160.0%27,274,0003.5%NOTE 1.125% 9/0SPYSPDR S&P 500 ETF Trust$75,377,700$25,312,079 ▲50.6%122,0003.5%FinanceIONIS PHARMACEUTICALS INC$58,036,595$12,486,723 ▲27.4%57,350,0002.7%NOTE 4/0JAZZ INVESTMENTS I LTD$52,632,908$3,539,197 ▲7.2%52,050,0002.5%NOTE 2.000% 6/1SHIFT4 PMTS INC$43,544,178$16,685,577 ▲62.1%34,474,0002.0%NOTE 12/1GMEGameStop$35,133,795$24,933,897 ▲244.5%1,440,5001.6%Consumer DiscretionarySEAGATE HDD CAYMAN$34,985,465$26,306,524 ▲303.1%19,458,0001.6%NOTE 3.500% 6/0BRIGHTSPRING HEALTH SVCS INC$33,034,521$33,034,521 ▲New Holding400,4661.5%UNIT 02/01/2027MARRIOTT VACATIONS WORLDWIDE$32,313,6830.0%33,299,0001.5%NOTE 1/1MICROSTRATEGY INC$32,048,929$32,048,929 ▲New Holding14,897,0001.5%NOTE 2.250% 6/1NEXTERA ENERGY INC$30,302,396$30,095,684 ▲14,559.2%761,6941.4%UNIT 09/01/2025IMAX CORP$25,503,764$731,896 ▲3.0%22,650,0001.2%NOTE 0.500% 4/0SNAP INC$23,209,951$4,957,822 ▲27.2%24,016,0001.1%NOTE 0.750% 8/0UBER TECHNOLOGIES INC$22,937,154$22,937,154 ▲New Holding16,041,0001.1%NOTE 0.875%12/0BANK AMERICA CORP$22,862,231$22,420,572 ▲5,076.4%18,8941.1%7.25%CNV PFD LTRANSOCEAN INC$22,736,203$7,924,935 ▲53.5%21,322,0001.1%DEB 4.625% 9/3PEABODY ENGR CORP$21,731,057$4,135,704 ▼-16.0%21,018,0001.0%NOTE 3.250% 3/0TRAVERE THERAPEUTICS INC$20,898,0760.0%21,110,0001.0%NOTE 2.500% 9/1BPMCBlueprint Medicines$20,148,102$20,148,102 ▲New Holding157,1860.9%MedicalMICROSTRATEGY INC$19,599,570$9,422,870 ▼-32.5%10,400,0000.9%NOTE 0.875% 3/1WAYFAIR INC$19,233,482$19,233,482 ▲New Holding14,250,0000.9%NOTE 3.500%11/1WEC ENERGY GROUP INC$19,139,252$19,139,252 ▲New Holding16,976,0000.9%NOTE 4.375% 6/0PTC THERAPEUTICS INC$18,500,912$18,500,912 ▲New Holding16,000,0000.9%NOTE 1.500% 9/1NEENextEra Energy$18,014,490$16,563,057 ▲1,141.2%259,5000.8%UtilitiesCENTERPOINT ENERGY INC$17,934,126$17,934,126 ▲New Holding16,550,0000.8%NOTE 4.250% 8/1SOFISoFi Technologies$17,884,278$309,461 ▲1.8%982,1130.8%FinanceLIVE NATION ENTERTAINMENT IN$17,754,194$13,458,182 ▲313.3%11,584,0000.8%NOTE 3.125% 1/1FORD MTR CO$17,491,388$15,910,246 ▲1,006.3%17,700,0000.8%NOTE 3/1KIMCO RLTY CORP$17,254,767$742,086 ▼-4.1%280,5320.8%DP CV CL N 7.25%ARKKARK Innovation ETF$16,602,498$11,013,037 ▲197.0%236,2000.8%ETFTLTiShares 20+ Year Treasury Bond ETF$16,238,000$5,365,600 ▼-24.8%184,0000.8%ETFRSPInvesco S&P 500 Equal Weight ETF$16,162,502$2,282,654 ▼-12.4%88,9320.8%ETFVOOVanguard S&P 500 ETF$15,899,159$21,914,596 ▼-58.0%27,9900.7%ETFCORE SCIENTIFIC INC NEW$15,830,736$5,881,340 ▲59.1%1,460,4000.7%*W EXP 01/23/202IMPINJ INC$15,584,800$6,857,312 ▲78.6%12,500,0000.7%NOTE 1.125% 5/1SANDISK CORP$14,965,5000.0%330,0000.7%PUTAALAmerican Airlines Group$14,473,980$7,298,431 ▼-33.5%1,290,0160.7%TransportationEPR PPTYS$14,188,141$6,650,636 ▲88.2%558,2190.7%PFD C CV 5.75%MANNKIND CORP$14,144,7120.0%13,980,0000.7%NOTE 2.500% 3/0LUMENTUM HLDGS INC$14,076,693$14,076,693 ▲New Holding13,600,0000.7%NOTE 0.500% 6/1TRANSOCEAN INC$13,723,4250.0%13,678,0000.6%DEB 4.000%12/1IWPiShares Russell Mid-Cap Growth ETF$13,244,079$1,900,055 ▲16.7%95,5010.6%ETFHALOZYME THERAPEUTICS INC$11,730,950$11,730,950 ▲New Holding10,282,0000.5%NOTE 1.000% 8/1NEXTERA ENERGY CAP HLDGS INC$11,264,650$5,632,325 ▲100.0%10,000,0000.5%NOTE 3.000% 3/0IAUiShares Gold Trust$11,027,743$154,029 ▲1.4%176,8400.5%FinancePARAParamount Global$10,850,126$5,231,105 ▲93.1%841,0950.5%Consumer DiscretionaryKRESPDR S&P Regional Banking ETF$10,470,457$4,476,818 ▲74.7%176,3000.5%ETFGLDSPDR Gold Shares$10,453,230$1,765,575 ▲20.3%34,2920.5%FinancePENNYMAC CORP$10,258,209$10,258,209 ▲New Holding10,212,0000.5%NOTE 8.500% 6/0KKellanova$10,015,372$8,897,896 ▲796.2%125,9320.5%Consumer DiscretionaryEVERGY INC$9,943,351$8,773,545 ▲750.0%8,500,0000.5%NOTE 4.500%12/1SUNRUN INC$9,368,894$2,669,708 ▲39.9%13,160,0000.4%NOTE 4.000% 3/0ISHARES BITCOIN TRUST ETF$8,466,567$4,855,789 ▲134.5%138,3200.4%SHS BEN INTSTEWSRH Total Return Fund$8,164,359$2,879,489 ▼-26.1%461,7850.4%FinanceROCKET LAB CORP$7,641,438$7,641,438 ▲New Holding213,6270.4%COMAZEKAZEK$7,123,817$7,123,817 ▲New Holding131,0730.3%ConstructionSHIFT4 PMTS INC$7,091,849$7,091,849 ▲New Holding61,4910.3%6 SER A CNV PREFSPECIAL OPPORTUNITIES FD INC$7,061,698$7,410 ▲0.1%285,8860.3%2.75% CNV PFD CTITAN ACQUISITION CORP$6,887,341$6,887,341 ▲New Holding683,2680.3%CL AWEN ACQUISITION CORP$6,780,983$6,780,983 ▲New Holding641,5310.3%UNIT 05/16/2030EEMiShares MSCI Emerging Markets ETF$6,661,944$3,035,357 ▲83.7%138,1000.3%FinanceCANADIAN SOLAR INC$6,596,8080.0%6,732,0000.3%NOTE 2.500%10/0ASCENDIS PHARMA A/S$6,578,744$10,338,026 ▼-61.1%5,250,0000.3%NOTE 2.250% 4/0COINBASE GLOBAL INC$6,533,070$6,533,070 ▲New Holding5,000,0000.3%NOTE 0.250% 4/0COINCoinbase Global$5,973,401$2,994,937 ▲100.6%17,0430.3%FinanceBROOKDALE SR LIVING INC$5,928,8800.0%5,632,0000.3%NOTE 2.000%10/1BRIDGEBIO PHARMA INC$5,847,532$1,629,210 ▲38.6%6,238,0000.3%NOTE 2.250% 2/0GREEN PLAINS INC$5,668,529$385,754 ▲7.3%6,642,0000.3%NOTE 2.250% 3/1REPUBLIC DIGITAL ACQUISITION$5,548,423$5,548,423 ▲New Holding540,7820.3%USD CL A ORD SHSEQUINOX GOLD CORP$5,474,592$3,068,717 ▼-35.9%4,460,0000.3%NOTE 4.750%10/1RIVNRivian Automotive$5,471,268$2,643,164 ▼-32.6%398,2000.3%Auto/Tires/TrucksWESTERN DIGITAL CORP$5,343,620$1,342,636 ▼-20.1%2,977,0000.2%NOTE 3.000%11/1DBMFiMGP DBi Managed Futures Strategy ETF$5,294,308$104,953 ▲2.0%205,7640.2%ETFCOINBASE GLOBAL INC$5,206,410$5,206,410 ▲New Holding4,500,0000.2%NOTE 0.500% 6/0JEQabrdn Japan Equity Fund$5,164,629$1,783,512 ▲52.7%684,9640.2%FinanceINNOVIVA INC$5,004,616$305,196 ▼-5.7%4,985,0000.2%NOTE 2.125% 3/1IGViShares Expanded Tech-Software Sector ETF$5,004,150$219,000 ▲4.6%45,7000.2%ETFCMPOWCompoSecure$4,988,681$4,598,362 ▲1,178.1%798,1890.2%IndustrialsMARAMarathon Digital$4,895,296$2,093,280 ▲74.7%312,2000.2%FinanceAKAMAI TECHNOLOGIES INC$4,887,381$4,887,381 ▲New Holding5,150,0000.2%NOTE 1.125% 2/1INFLECTION PT ACQUISITION CO$4,630,560$4,630,560 ▲New Holding454,4220.2%CL A ORD SHSHERTZ CORP$4,613,932$4,613,932 ▲New Holding3,525,0000.2%NOTE 8.000% 7/1MXEMexico Equity and Income Fund$4,598,8740.0%439,2430.2%FinanceZSZscaler$4,552,130$3,296,370 ▲262.5%14,5000.2%Computer and TechnologyNIO INC$4,444,7410.0%7,000,0000.2%NOTE 4.625%10/1SUPER MICRO COMPUTER INC$4,376,593$3,632,670 ▲488.3%89,3000.2%COM NEWREDWOOD TRUST INC$4,284,0420.0%4,319,0000.2%NOTE 7.750% 6/1VENTAS RLTY LTD PARTNERSHIP$4,264,559$15,851,285 ▼-78.8%3,604,0000.2%NOTE 3.750% 6/0DVNDevon Energy$4,172,995$1,583,184 ▲61.1%131,1850.2%EnergyCANTOR EQUITY PARTNERS III I$4,142,595$4,142,595 ▲New Holding392,6630.2%SHS CL AAXONAxon Enterprise$4,085,056$35,162,612 ▼-89.6%4,9340.2%AerospaceFIRSTENERGY CORP$4,016,912$3,012,684 ▲300.0%4,000,0000.2%NOTE 4.000% 5/0TRANSMEDICS GROUP INC$4,011,653$4,011,653 ▲New Holding2,500,0000.2%NOTE 1.500% 6/0LAUNCH TWO ACQUISITION CORP.$3,945,2200.0%378,6200.2%ORD SHS CL AEPR PPTYS$3,919,879$3,140,035 ▲402.6%125,6170.2%CONV PFD 9% SR EREAL ASSET ACQUISITION CORP$3,887,186$3,887,186 ▲New Holding382,9740.2%SHS CL ACIPHER MINING INC$3,873,132$3,873,132 ▲New Holding3,000,0000.2%NOTE 1.750% 5/1XLEEnergy Select Sector SPDR Fund$3,824,931$1,142,476 ▼-23.0%45,1000.2%ETFCOLUMBUS CIRCLE CAP CORP. I$3,788,366$3,788,366 ▲New Holding356,7200.2%SHS CL AShowing largest 100 holdings. View all holdings. More Institutional Buying and Selling Information SEC Filings and Trading Data SEC Filings 13F Filings Top 13F Buys Top 13F Sells Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. 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