Css LLC/Il Top Holdings and 13F Report (2025) About Css LLC/IlInvestment ActivityCss LLC/Il has $1.82 billion in total holdings as of March 31, 2025.Css LLC/Il owns shares of 732 different stocks, but just 156 companies or ETFs make up 80% of its holdings.Approximately 28.24% of the portfolio was purchased this quarter.About 47.69% of the portfolio was sold this quarter.This quarter, Css LLC/Il has purchased 767 new stocks and bought additional shares in 223 stocks.Css LLC/Il sold shares of 231 stocks and completely divested from 213 stocks this quarter.Largest Holdings Strategy $72,615,213AMERICAN AIRLINES GROUP INC $67,326,772STRIDE INC $66,580,553INSMED INC $53,414,896JAZZ INVESTMENTS I LTD $50,321,784 Largest New Holdings this Quarter 844741BG2 - SOUTHWEST AIRLS CO $24,425,838 Holding92277GAZ0 - VENTAS RLTY LTD PARTNERSHIP $21,843,997 Holding594972AL5 - MICROSTRATEGY INC $21,811,067 Holding80004C950 - SANDISK CORP $15,711,300 Holding594972AJ0 - MICROSTRATEGY INC $11,617,803 Holding Largest Purchases this Quarter SOUTHWEST AIRLS CO 24,500,000 shares (about $24.43M)Axon Enterprise 45,904 shares (about $24.14M)VENTAS RLTY LTD PARTNERSHIP 17,000,000 shares (about $21.84M)MICROSTRATEGY INC 15,400,000 shares (about $21.81M)SHIFT4 PMTS INC 18,255,000 shares (about $20.82M) Largest Sales this Quarter Strategy 148,800 shares (about $42.89M)SPDR S&P 500 ETF Trust 67,142 shares (about $37.56M)CHART INDS INC 596,989 shares (about $33.06M)APOLLO GLOBAL MGMT INC 289,212 shares (about $21.24M)ARK Innovation ETF 333,800 shares (about $15.88M) 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 PortfolioSectorMSTRStrategy$72,615,213$42,894,576 ▼-37.1%251,9004.0%Computer and TechnologyAMERICAN AIRLINES GROUP INC$67,326,772$501,070 ▼-0.7%67,183,0003.7%NOTE 6.500% 7/0STRIDE INC$66,580,5530.0%27,274,0003.7%NOTE 1.125% 9/0INSMED INC$53,414,896$11,824,780 ▲28.4%22,586,0002.9%NOTE 0.750% 6/0JAZZ INVESTMENTS I LTD$50,321,784$7,877,354 ▲18.6%48,550,0002.8%NOTE 2.000% 6/1SPYSPDR S&P 500 ETF Trust$45,328,490$37,558,563 ▼-45.3%81,0322.5%FinanceIONIS PHARMACEUTICALS INC$44,553,868$10,472,549 ▲30.7%45,011,0002.4%NOTE 4/0PENN ENTERTAINMENT INC$34,593,084$12,831,263 ▲59.0%33,700,0001.9%NOTE 2.750% 5/1VOOVanguard S&P 500 ETF$34,210,989$1,480,061 ▼-4.1%66,5701.9%ETFMARRIOTT VACATIONS WORLDWIDE$31,925,416$2,396,875 ▲8.1%33,299,0001.8%NOTE 1/1PEABODY ENGR CORP$26,003,733$12,992,512 ▼-33.3%25,018,0001.4%NOTE 3.250% 3/0AXONAxon Enterprise$24,932,134$24,143,209 ▲3,060.3%47,4041.4%AerospaceSOUTHWEST AIRLS CO$24,425,838$24,425,838 ▲New Holding24,500,0001.3%NOTE 1.250% 5/0IMAX CORP$24,273,4580.0%22,000,0001.3%NOTE 0.500% 4/0SHIFT4 PMTS INC$24,251,698$20,819,919 ▲606.7%21,264,0001.3%NOTE 12/1TLTiShares 20+ Year Treasury Bond ETF$22,284,144$13,821,995 ▲163.3%244,8001.2%ETFVENTAS RLTY LTD PARTNERSHIP$21,843,997$21,843,997 ▲New Holding17,000,0001.2%NOTE 3.750% 6/0MICROSTRATEGY INC$21,811,067$21,811,067 ▲New Holding15,400,0001.2%NOTE 0.875% 3/1TRAVERE THERAPEUTICS INC$20,826,3660.0%21,110,0001.1%NOTE 2.500% 9/1AALAmerican Airlines Group$20,472,275$12,911,090 ▼-38.7%1,940,5001.1%TransportationSNAP INC$18,314,981$767,084 ▲4.4%18,886,0001.0%NOTE 0.750% 8/0ALLIANT ENERGY CORP$17,701,197$7,478,000 ▲73.1%16,449,0001.0%NOTE 3.875% 3/1KIMCO RLTY CORP$17,604,713$5,661,122 ▼-24.3%292,5971.0%DP CV CL N 7.25%RSPInvesco S&P 500 Equal Weight ETF$17,581,460$332,602 ▼-1.9%101,4921.0%ETFTRANSOCEAN INC$16,905,686$2,434,224 ▲16.8%13,890,0000.9%DEB 4.625% 9/3MANNKIND CORP$16,216,800$1,716,800 ▲11.8%13,980,0000.9%NOTE 2.500% 3/0ASCENDIS PHARMA A/S$16,019,937$11,866,620 ▲285.7%13,500,0000.9%NOTE 2.250% 4/0SANDISK CORP$15,711,300$15,711,300 ▲New Holding330,0000.9%PUTDUKE ENERGY CORP NEW$15,483,353$3,351,910 ▲27.6%14,292,0000.8%NOTE 4.125% 4/1APOLLO GLOBAL MGMT INC$14,698,396$21,238,833 ▼-59.1%200,1500.8%SER A MAND CNVWORLD KINECT CORPORATION$14,066,285$2,849,859 ▲25.4%12,221,0000.8%NOTE 3.250% 7/0TRANSOCEAN INC$13,844,967$1,842,217 ▲15.3%13,678,0000.8%DEB 4.000%12/1ECHOSTAR CORP$12,912,225$3,804,423 ▼-22.8%11,539,6110.7%NOTE 3.875%11/3MICROSTRATEGY INC$11,617,803$11,617,803 ▲New Holding5,700,0000.6%NOTE 0.625% 3/1SOFISoFi Technologies$11,224,334$446,522 ▼-3.8%965,1190.6%FinanceBECNBeacon Roofing Supply$11,009,300$10,062,995 ▲1,063.4%89,0000.6%Retail/WholesaleSTEWSRH Total Return Fund$10,775,247$714,202 ▼-6.2%624,6520.6%FinanceIAUiShares Gold Trust$10,280,8550.0%174,3700.6%FinanceIWPiShares Russell Mid-Cap Growth ETF$9,610,682$9,610,682 ▲New Holding81,8000.5%ETFGMEGameStop$9,334,224$8,546,328 ▲1,084.7%418,2000.5%Consumer DiscretionaryEQUINOX GOLD CORP$9,304,1760.0%6,960,0000.5%NOTE 4.750%10/1ARCHIMEDES TECH SPAC PARTNER$8,273,694$8,273,694 ▲New Holding820,8030.5%UNIT 10/15/2029GLDSPDR Gold Shares$8,211,990$2,333,934 ▼-22.1%28,5000.5%FinanceIMPINJ INC$7,968,107$7,968,107 ▲New Holding7,000,0000.4%NOTE 1.125% 5/1MACOM TECH SOLUTIONS HLDGS I$7,881,704$7,881,704 ▲New Holding6,150,0000.4%NOTE 0.250% 3/1MLMoneyLion$7,675,167$6,207,179 ▲422.8%88,7200.4%Business ServicesCHART INDS INC$7,575,184$33,055,102 ▼-81.4%136,8110.4%6.75DP CNV PFD BRIVNRivian Automotive$7,352,597$6,984 ▼-0.1%590,5700.4%Auto/Tires/TrucksWAYFAIR INC$7,350,158$980,021 ▲15.4%7,500,0000.4%NOTE 3.250% 9/1ARBOR REALTY TRUST INC$6,991,9780.0%7,000,0000.4%NOTE 7.500% 8/0SPECIAL OPPORTUNITIES FD INC$6,985,234$115,741 ▲1.7%285,5860.4%2.75% CNV PFD CEPR PPTYS$6,870,521$6,870,521 ▲New Holding296,5560.4%PFD C CV 5.75%SUNRUN INC$6,743,319$6,743,319 ▲New Holding9,410,0000.4%NOTE 4.000% 3/0LANTHEUS HLDGS INC$6,690,636$2,112,832 ▼-24.0%4,750,0000.4%NOTE 2.625%12/1CANADIAN SOLAR INC$6,527,8050.0%6,732,0000.4%NOTE 2.500%10/0WEXWEX$6,417,093$6,417,093 ▲New Holding40,8680.4%Business ServicesSEAGATE HDD CAYMAN$5,821,719$2,285,510 ▲64.6%4,827,0000.3%NOTE 3.500% 6/0NEXTERA ENERGY CAP HLDGS INC$5,783,005$5,783,005 ▲New Holding5,000,0000.3%NOTE 3.000% 3/0KRESPDR S&P Regional Banking ETF$5,737,302$1,189,302 ▲26.2%100,9200.3%ETFBROOKDALE SR LIVING INC$5,721,0700.0%5,632,0000.3%NOTE 2.000%10/1XLEEnergy Select Sector SPDR Fund$5,473,460$11,002,710 ▼-66.8%58,5710.3%ETFITCIIntra-Cellular Therapies$5,396,056$5,396,056 ▲New Holding40,9040.3%MedicalNORTHERN OIL & GAS INC$5,367,959$2,283,654 ▲74.0%5,082,0000.3%NOTE 3.625% 4/1ZILLOW GROUP INC$5,334,361$140,241 ▲2.7%5,135,0000.3%NOTE 2.750% 5/1PARAParamount Global$5,209,573$150,899 ▼-2.8%435,5830.3%Consumer DiscretionaryGREEN PLAINS INC$5,175,998$836,187 ▲19.3%6,190,0000.3%NOTE 2.250% 3/1DBMFiMGP DBi Managed Futures Strategy ETF$5,094,563$578,479 ▲12.8%201,6850.3%ETFINNOVIVA INC$5,087,759$1,923,902 ▼-27.4%5,289,0000.3%NOTE 2.125% 3/1JNPRJuniper Networks$4,898,642$1,569,633 ▼-24.3%135,3590.3%Computer and TechnologyNIO INC$4,890,2000.0%7,000,0000.3%NOTE 4.625%10/1WESTERN DIGITAL CORP$4,794,526$4,858,882 ▼-50.3%3,725,0000.3%NOTE 3.000%11/1STARWOOD PPTY TR INC$4,746,610$75,293 ▲1.6%4,476,0000.3%NOTE 6.750% 7/1EXACT SCIENCES CORP$4,677,137$4,677,137 ▲New Holding5,320,0000.3%NOTE 0.375% 3/0GUESS INC$4,620,835$10,385,789 ▼-69.2%5,000,0000.3%NOTE 3.750% 4/1BIGZBlackRock Innovation and Growth Term Trust$4,493,647$3,521,162 ▲362.1%717,8350.2%Financial ServicesAPPLIED OPTOELECTRONICS INC$4,472,032$8,159,224 ▼-64.6%5,755,0000.2%NOTE 2.750% 1/1EWLiShares MSCI Switzerland ETF$4,448,761$4,448,761 ▲New Holding85,9000.2%ETFDDOGDatadog$4,448,179$729,789 ▲19.6%44,8360.2%Computer and TechnologyREDWOOD TRUST INC$4,280,4100.0%4,319,0000.2%NOTE 7.750% 6/1BRIDGEBIO PHARMA INC$4,046,494$4,945,715 ▼-55.0%4,500,0000.2%NOTE 2.250% 2/0XUnited States Steel$4,023,448$1,022,692 ▼-20.3%95,2070.2%Basic MaterialsAPDAir Products and Chemicals$3,991,527$2,083,531 ▲109.2%13,5980.2%Basic MaterialsUGIUGI$3,915,819$1,402,499 ▲55.8%118,4100.2%UtilitiesLIVE NATION ENTERTAINMENT IN$3,899,932$3,899,932 ▲New Holding2,803,0000.2%NOTE 3.125% 1/1IGViShares Expanded Tech-Software Sector ETF$3,888,863$3,888,863 ▲New Holding43,7000.2%ETFLAUNCH TWO ACQUISITION CORP.$3,831,634$1,013,022 ▼-20.9%378,6200.2%ORD SHS CL AMXEMexico Equity & Income Fund$3,830,1990.0%439,2430.2%FinanceARKKARK Innovation ETF$3,783,562$15,882,206 ▼-80.8%79,5200.2%ETFSEA LTD$3,689,232$3,689,232 ▲New Holding2,500,0000.2%NOTE 2.375%12/0XLFFinancial Select Sector SPDR Fund$3,685,940$275,001 ▼-6.9%74,0000.2%ETFCTASimplify Managed Futures Strategy ETF$3,680,316$1,467,302 ▲66.3%124,3350.2%ETFGCMGWGCM Grosvenor$3,666,646$1,296,543 ▲54.7%2,107,2680.2%Financial ServicesRKLBRocket Lab USA$3,663,666$122,299 ▼-3.2%204,9030.2%AerospacePURECYCLE TECHNOLOGIES INC$3,565,427$2,902,092 ▼-44.9%4,300,0000.2%NOTE 7.250% 8/1BENTLEY SYS INC$3,546,712$858,295 ▼-19.5%3,905,0000.2%NOTE 0.375% 7/0HESHess$3,514,060$718,785 ▲25.7%22,0000.2%EnergySWZThe Swiss Helvetia Fund$3,482,007$805,671 ▲30.1%377,6580.2%FinanceCCRNCross Country Healthcare$3,446,648$2,767,485 ▲407.5%231,4740.2%Business ServicesEEMiShares MSCI Emerging Markets ETF$3,285,279$4,143,722 ▼-55.8%75,1780.2%FinanceCIVICivitas Resources$3,115,189$844,129 ▼-21.3%89,2860.2%EnergyShowing largest 100 holdings. 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