Calamos Advisors LLC Top Holdings and 13F Report (2025) About Calamos Advisors LLCInvestment ActivityCalamos Advisors LLC has $25.41 billion in total holdings as of June 30, 2025.Calamos Advisors LLC owns shares of 879 different stocks, but just 196 companies or ETFs make up 80% of its holdings.Approximately 10.44% of the portfolio was purchased this quarter.About 8.99% of the portfolio was sold this quarter.This quarter, Calamos Advisors LLC has purchased 872 new stocks and bought additional shares in 217 stocks.Calamos Advisors LLC sold shares of 216 stocks and completely divested from 106 stocks this quarter.Largest Holdings SPDR S&P 500 ETF Trust $1,377,464,595NVIDIA $1,214,194,586Microsoft $1,110,863,921Apple $851,072,426Amazon.com $732,668,562 Largest New Holdings this Quarter 01609WBG6 - ALIBABA GROUP HLDG LTD $319,046,905 Holding842587DZ7 - SOUTHERN CO $140,157,933 Holding55306NAB0 - MKS INC. $87,557,214 Holding19260QAF4 - COINBASE GLOBAL INC $84,432,981 Holding594972AN1 - MICROSTRATEGY INC $75,379,603 Holding Largest Purchases this Quarter ALIBABA GROUP HLDG LTD 250,333,000 shares (about $319.05M)SOUTHERN CO 127,487,000 shares (about $140.16M)MKS INC. 88,523,000 shares (about $87.56M)COINBASE GLOBAL INC 64,432,000 shares (about $84.43M)MICROSTRATEGY INC 35,106,000 shares (about $75.38M) Largest Sales this Quarter SOUTHERN CO 121,233,000 shares (about $133.99M)INSULET CORP 40,950,000 shares (about $57.70M)BOEING CO 564,851 shares (about $38.41M)Microsoft 69,247 shares (about $34.44M)Salesforce 124,489 shares (about $33.95M) Sector Allocation Over TimeMap of 500 Largest Holdings ofCalamos Advisors LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorSPYSPDR S&P 500 ETF Trust$1,377,464,595$30,125,617 ▲2.2%2,441,5265.4%FinanceNVDANVIDIA$1,214,194,586$26,510,453 ▲2.2%7,734,5304.8%Computer and TechnologyMSFTMicrosoft$1,110,863,921$34,435,829 ▼-3.0%2,233,8364.4%Computer and TechnologyAAPLApple$851,072,426$25,652,353 ▼-2.9%4,145,6533.3%Computer and TechnologyAMZNAmazon.com$732,668,562$2,721,915 ▼-0.4%3,348,2552.9%Retail/WholesaleMETAMeta Platforms$501,120,212$3,818,383 ▼-0.8%679,1612.0%Computer and TechnologyGOOGLAlphabet$416,536,955$30,774,823 ▼-6.9%2,364,2111.6%Computer and TechnologyAVGOBroadcom$384,850,242$9,121,339 ▼-2.3%1,397,4511.5%Computer and TechnologyALIBABA GROUP HLDG LTD$319,046,905$319,046,905 ▲New Holding250,333,0001.3%NOTE 0.500% 6/0IWMiShares Russell 2000 ETF$307,473,578$46,364,768 ▲17.8%1,529,9151.2%FinanceVVisa$257,107,327$3,843,771 ▲1.5%724,1441.0%Business ServicesTSLATesla$249,063,702$4,496,292 ▼-1.8%785,8071.0%Auto/Tires/TrucksNFLXNetflix$237,542,071$843,547 ▲0.4%177,6890.9%Consumer DiscretionaryBOEING CO$233,252,172$38,409,868 ▼-14.1%3,430,1790.9%DEP CONV PFD AQQQInvesco QQQ$229,630,124$30,808,044 ▲15.5%489,7000.9%FinanceLLYEli Lilly and Company$217,152,113$4,257,793 ▲2.0%278,5680.9%MedicalJPMJPMorgan Chase & Co.$216,578,135$1,372,144 ▼-0.6%747,0530.9%FinanceSPOTIFY USA INC$189,937,615$813,824 ▲0.4%125,330,0000.7%NOTE 3/1GOOGAlphabet$170,553,0350.0%961,4580.7%Computer and TechnologyWMTWalmart$170,262,652$2,000,774 ▼-1.2%1,741,2830.7%Retail/WholesaleORCLOracle$160,661,664$8,547,835 ▲5.6%751,2600.6%Computer and TechnologyBRK.BBerkshire Hathaway$152,772,236$24,381,768 ▼-13.8%314,4950.6%FinanceWFCWells Fargo & Company$145,323,739$10,710,522 ▼-6.9%1,813,8260.6%FinanceWESTERN DIGITAL CORP$140,766,058$12,013,923 ▲9.3%78,433,0000.6%NOTE 3.000%11/1SOUTHERN CO$140,157,933$140,157,933 ▲New Holding127,487,0000.6%NOTE 4.500% 6/1MAMastercard$138,463,702$14,793,632 ▼-9.7%246,4030.5%Business ServicesAXON ENTERPRISE INC$136,807,627$7,095,929 ▼-4.9%37,769,0000.5%NOTE 0.500%12/1UBER TECHNOLOGIES INC$136,540,617$289,892 ▲0.2%95,614,0000.5%NOTE 0.875%12/0XOMExxon Mobil$136,222,332$2,505,703 ▲1.9%1,263,6580.5%EnergyMICROSTRATEGY INC$133,671,065$47,277 ▼0.0%48,066,0000.5%NOTE 0.625% 3/1NOWServiceNow$131,458,533$14,288,256 ▲12.2%127,8680.5%Computer and TechnologyPPL CAP FDG INC$126,318,693$8,525,416 ▲7.2%116,978,0000.5%NOTE 2.875% 3/1BACBank of America$124,834,513$239,628 ▼-0.2%2,638,0920.5%FinanceUNHUnitedHealth Group$124,813,402$17,423,056 ▲16.2%354,3950.5%MedicalBSXBoston Scientific$121,411,847$3,231,632 ▲2.7%1,138,7790.5%MedicalAIRBNB INC$120,994,0240.0%125,424,0000.5%NOTE 3/1MICROCHIP TECHNOLOGY INC.$111,887,494$35,265,821 ▲46.0%1,678,9840.4%DEP SHS REPSTGLINDE PLC$111,499,433$1,127,404 ▲1.0%237,6550.4%SHSHEWLETT PACKARD ENTERPRISE C$111,441,411$11,453,985 ▲11.5%1,892,6870.4%7.625 MAND CONVGSThe Goldman Sachs Group$109,745,838$394,217 ▲0.4%155,0630.4%FinanceSEAGATE HDD CAYMAN$107,027,785$2,183,285 ▲2.1%59,414,0000.4%NOTE 3.500% 6/0APOLLO GLOBAL MGMT INC$106,289,620$7,177,591 ▼-6.3%1,420,0350.4%SER A MAND CNVCOSTCostco Wholesale$105,220,120$541,270 ▲0.5%106,3340.4%Retail/WholesalePMPhilip Morris International$102,791,622$1,968,279 ▼-1.9%564,3860.4%Consumer StaplesWAYFAIR INC$99,820,895$20,288 ▼0.0%73,802,0000.4%NOTE 3.500%11/1ON SEMICONDUCTOR CORP$98,793,375$7,330,208 ▼-6.9%106,648,0000.4%NOTE 0.500% 3/0KKR & CO INC$96,327,079$19,360,159 ▲25.2%1,797,1470.4%6.25 CON SER DDUKE ENERGY CORP NEW$96,045,616$10,096,345 ▲11.7%90,639,0000.4%NOTE 4.125% 4/1HDHome Depot$94,394,034$55,363 ▲0.1%257,4570.4%Retail/WholesaleABBVAbbVie$91,518,949$2,116,765 ▼-2.3%490,4180.4%MedicalPALANTIR TECHNOLOGIES INC$90,262,652$4,003,309 ▲4.6%662,1380.4%CL AMKS INC.$87,557,214$87,557,214 ▲New Holding88,523,0000.3%NOTE 1.250% 6/0INTUIntuit$87,215,058$21,072,253 ▲31.9%110,7310.3%Computer and TechnologyJNJJohnson & Johnson$87,183,896$47,964 ▲0.1%570,7620.3%MedicalARES MANAGEMENT CORPORATION$87,180,230$9,749,085 ▼-10.1%1,644,9100.3%6.75 SE B PFDPGProcter & Gamble$86,630,440$39,352 ▲0.0%543,7510.3%Consumer StaplesBKNGBooking$86,126,523$36,645,889 ▲74.1%14,8770.3%Retail/WholesaleCOINBASE GLOBAL INC$84,432,981$84,432,981 ▲New Holding64,432,0000.3%NOTE 0.250% 4/0LUMENTUM HLDGS INC$84,230,340$20,844,968 ▲32.9%54,769,0000.3%NOTE 1.500%12/1HESHess$82,196,752$6,059,878 ▲8.0%593,3070.3%EnergyCSCOCisco Systems$80,797,783$295,724 ▲0.4%1,165,0110.3%Computer and TechnologyDRAFTKINGS INC NEW$80,666,409$10,916,003 ▼-11.9%89,874,0000.3%NOTE 3/1RIVIAN AUTOMOTIVE INC$78,500,848$17,335,019 ▼-18.1%77,106,0000.3%NOTE 4.625% 3/1DISWalt Disney$77,023,603$32,243 ▲0.0%621,1080.3%Consumer DiscretionaryGE VERNOVA INC$77,013,020$5,141,221 ▲7.2%145,5410.3%COMSEA LTD$75,604,984$29,282,290 ▼-27.9%80,040,0000.3%NOTE 0.250% 9/1MICROSTRATEGY INC$75,379,603$75,379,603 ▲New Holding35,106,0000.3%NOTE 2.250% 6/1RTXRTX$75,365,887$34,753 ▲0.0%516,1340.3%AerospaceGEGE Aerospace$72,647,298$5,046,388 ▼-6.5%282,2460.3%AerospaceSTRIDE INC$72,106,230$206,129 ▼-0.3%25,886,0000.3%NOTE 1.125% 9/0KOCocaCola$70,306,185$19,810 ▲0.0%993,7270.3%Consumer StaplesABTAbbott Laboratories$69,274,789$3,578,423 ▲5.4%509,3360.3%MedicalNEXTERA ENERGY CAP HLDGS INC$69,041,605$3,097,497 ▲4.7%60,828,0000.3%NOTE 3.000% 3/0MSMorgan Stanley$68,709,021$6,028,108 ▲9.6%487,7820.3%FinanceUBERUber Technologies$68,660,403$4,735,068 ▲7.4%735,9100.3%Computer and TechnologyISRGIntuitive Surgical$68,633,770$7,139,321 ▲11.6%126,3020.3%MedicalTAT&T$66,762,149$13,343,945 ▲25.0%2,306,9160.3%Computer and TechnologyCLOUDFLARE INC$66,447,927$28,643,979 ▼-30.1%56,169,0000.3%NOTE 8/1QXO INC$65,173,558$65,173,558 ▲New Holding1,051,3560.3%5.50 DEP PFDSHIFT4 PMTS INC$65,037,542$65,037,542 ▲New Holding564,5620.3%6 SER A CNV PREFAXPAmerican Express$64,661,712$45,614 ▲0.1%202,7140.3%FinanceSPGIS&P Global$63,437,205$55,893 ▲0.1%120,3080.2%FinanceSHIFT4 PMTS INC$62,914,133$1,689,991 ▼-2.6%58,745,0000.2%NOTE 0.500% 8/0LOWLowe's Companies$62,742,839$14,643 ▲0.0%282,7910.2%Retail/WholesaleCMGChipotle Mexican Grill$62,334,866$47,447 ▲0.1%1,110,1490.2%Retail/WholesaleTMUST-Mobile US$61,651,160$13,075,387 ▼-17.5%258,5170.2%Computer and TechnologyAKAMAI TECHNOLOGIES INC$61,113,917$152,651 ▼-0.2%62,855,0000.2%NOTE 0.375% 9/0BABoeing$60,728,918$9,932,141 ▼-14.1%289,8340.2%AerospaceMMCMarsh & McLennan Companies$60,436,906$52,036 ▲0.1%276,4220.2%FinanceCMS ENERGY CORP$60,062,039$4,759,782 ▲8.6%56,418,0000.2%NOTE 3.375% 5/0LIBERTY MEDIA CORP DEL$59,587,552$140,888 ▼-0.2%44,409,0000.2%NOTE 2.250% 8/1CVXChevron$58,854,956$8,442,053 ▼-12.5%411,0270.2%EnergyMICROSTRATEGY INC$58,529,472$818,912 ▲1.4%30,876,0000.2%NOTE 0.875% 3/1CBChubb$57,226,074$51,280 ▲0.1%197,5220.2%FinanceEFAiShares MSCI EAFE ETF$57,211,000$8,173,000 ▼-12.5%700,0000.2%FinanceTMOThermo Fisher Scientific$56,693,837$2,705,852 ▼-4.6%136,1900.2%MedicalAMERICAN WTR CAP CORP$56,287,5440.0%56,022,0000.2%NOTE 3.625% 6/1RIVIAN AUTOMOTIVE INC$55,921,520$13,420,263 ▲31.6%62,000,0000.2%NOTE 3.625%10/1CRMSalesforce$55,912,085$33,946,905 ▼-37.8%205,0390.2%Computer and TechnologyMPCMarathon Petroleum$55,685,388$9,840,024 ▲21.5%335,2320.2%EnergyShowing largest 100 holdings. 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