Calamos Advisors LLC Top Holdings and 13F Report (2026) About Calamos Advisors LLCInvestment ActivityCalamos Advisors LLC has $28.22 billion in total holdings as of March 31, 2026.Calamos Advisors LLC owns shares of 1,151 different stocks, but just 187 companies or ETFs make up 80% of its holdings.Approximately 17.82% of the portfolio was purchased this quarter.About 9.80% of the portfolio was sold this quarter.This quarter, Calamos Advisors LLC has purchased 890 new stocks and bought additional shares in 335 stocks.Calamos Advisors LLC sold shares of 183 stocks and completely divested from 122 stocks this quarter.Largest Holdings SPDR S&P 500 ETF Trust $1,623,957,880NVIDIA $1,429,655,255Apple $1,215,202,734Microsoft $906,133,953Alphabet $737,642,969 Largest New Holdings this Quarter 68389X204 - ORACLE CORP $183,796,985 Holding69351T866 - PPL CORP $114,651,461 Holding65339F655 - NEXTERA ENERGY INC $107,139,184 Holding464287689 - iShares Russell 3000 ETF $57,055,066 Holding285512109 - Electronic Arts $50,163,641 Holding Largest Purchases this Quarter SPDR S&P 500 ETF Trust 747,036 shares (about $502.53M)Apple 802,037 shares (about $203.58M)ORACLE CORP 4,083,470 shares (about $183.80M)iShares Core S&P 500 ETF 259,168 shares (about $169.29M)NVIDIA 881,691 shares (about $153.78M) Largest Sales this Quarter WESTERN DIGITAL CORP 20,793,000 shares (about $149.14M)SEAGATE HDD CAYMAN 30,219,000 shares (about $143.05M)PPL CAP FDG INC 70,636,000 shares (about $82.79M)DUKE ENERGY CORP NEW 58,066,000 shares (about $64.04M)Invesco QQQ 84,895 shares (about $52.07M) 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$1,623,957,880$502,528,268 ▲44.8%2,414,1035.8%FinanceNVDANVIDIA$1,429,655,255$153,781,497 ▲12.1%8,196,7875.1%Computer and TechnologyAAPLApple$1,215,202,734$203,575,606 ▲20.1%4,787,5954.3%Computer and TechnologyMSFTMicrosoft$906,133,953$103,535,822 ▲12.9%2,430,9073.2%Computer and TechnologyGOOGLAlphabet$737,642,969$77,987,962 ▲11.8%2,564,6132.6%Computer and TechnologyAMZNAmazon.com$726,834,619$69,495,891 ▲10.6%3,481,6602.6%Retail/WholesaleAVGOBroadcom$513,482,414$77,349,961 ▲17.7%1,658,3201.8%Computer and TechnologyQQQInvesco QQQ$469,679,547$52,070,080 ▼-10.0%765,7651.7%FinanceMETAMeta Platforms$427,477,954$45,760,675 ▲12.0%745,0021.5%Computer and TechnologyWESTERN DIGITAL CORP$398,916,884$149,141,951 ▼-27.2%55,616,0001.4%NOTE 3.000%11/1TSLATesla$313,528,590$15,292,073 ▲5.1%843,0501.1%Auto/Tires/TrucksGOOGAlphabet$287,396,728$22,316,848 ▲8.4%1,001,8711.0%Computer and TechnologyLLYEli Lilly and Company$283,746,492$33,059,317 ▲13.2%308,4971.0%MedicalALIBABA GROUP HLDG LTD$262,411,976$4,254,526 ▼-1.6%189,044,0000.9%NOTE 0.500% 6/0IWMiShares Russell 2000 ETF$251,179,624$35,528,771 ▼-12.4%1,019,7270.9%FinanceJPMJPMorgan Chase & Co.$236,780,030$26,986,539 ▲12.9%804,9360.8%FinanceVVisa$230,274,567$19,308,302 ▲9.2%761,8930.8%Business ServicesXOMExxonMobil$217,529,609$18,251,008 ▲9.2%1,282,1500.8%EnergyWALMART INC$195,491,082$11,770,197 ▲6.4%1,573,6520.7%COMJNJJohnson & Johnson$188,976,526$29,907,228 ▲18.8%773,1000.7%MedicalBOEING CO$185,757,409$15,997,332 ▼-7.9%2,863,0920.7%DEP CONV PFD AORACLE CORP$183,796,985$183,796,985 ▲New Holding4,083,4700.7%6.5 DEP CUM SR DIVViShares Core S&P 500 ETF$178,422,260$169,291,042 ▲1,854.0%273,1470.6%ETFNFLXNetflix$168,228,625$5,401,050 ▲3.3%1,749,7670.6%Consumer DiscretionaryGSThe Goldman Sachs Group$144,563,617$409,459 ▲0.3%170,8810.5%FinanceCVXChevron$143,035,383$15,976,408 ▲12.6%691,3260.5%EnergyWFCWells Fargo & Company$133,905,676$5,025,221 ▼-3.6%1,682,0210.5%FinanceGE VERNOVA INC$133,457,847$18,313,465 ▲15.9%152,8900.5%COMEFAiShares MSCI EAFE ETF$133,309,016$84,645,104 ▲173.9%1,386,1270.5%FinanceIVWiShares S&P 500 Growth ETF$132,169,388$127,340,722 ▲2,637.2%1,168,5030.5%ETFBRK.BBerkshire Hathaway$131,234,191$8,021,808 ▲6.5%273,8610.5%FinanceIVEiShares S&P 500 Value ETF$130,726,833$125,859,612 ▲2,585.9%619,1180.5%ETFMKS INC.$129,840,852$17,067,689 ▼-11.6%78,265,0000.5%NOTE 1.250% 6/0MAMastercard$124,142,027$3,882,858 ▲3.2%248,4530.4%Business ServicesLUMENTUM HLDGS INC$114,836,073$8,693,132 ▼-7.0%11,387,0000.4%NOTE 1.500%12/1PPL CORP$114,651,461$114,651,461 ▲New Holding2,235,3570.4%UNIT 02/15/2029LINDE PLC$112,362,575$13,170,736 ▲13.3%226,8710.4%SHSBACBank of America$111,693,580$1,288,365 ▼-1.1%2,291,1500.4%FinancePALANTIR TECHNOLOGIES INC$109,057,947$19,815,101 ▲22.2%744,8540.4%CL AMUMicron Technology$108,854,075$25,858,949 ▼-19.2%322,2060.4%Computer and TechnologyUBER TECHNOLOGIES INC$108,752,450$4,678,460 ▼-4.1%90,006,0000.4%NOTE 0.875%12/0HDHome Depot$107,892,096$18,833,896 ▲21.1%328,0490.4%Retail/WholesaleNEXTERA ENERGY INC$107,139,184$107,139,184 ▲New Holding2,132,9720.4%UNIT 02/15/2029SOUTHERN CO$106,980,105$20,785,183 ▼-16.3%2,081,3250.4%UNIT 12/15/2028MICROCHIP TECHNOLOGY INC.$106,868,029$10,896,196 ▲11.4%1,875,8650.4%DEP SHS REPSTGADVANCED ENERGY INDS$105,815,003$1,404,720 ▲1.3%44,067,0000.4%NOTE 2.500% 9/1AMATApplied Materials$105,731,297$31,827,476 ▲43.1%310,0900.4%Computer and TechnologyABBVAbbVie$105,193,387$3,779,976 ▲3.7%483,6700.4%MedicalON SEMICONDUCTOR CORP$104,366,164$383,276 ▼-0.4%106,197,0000.4%NOTE 0.500% 3/0WAYFAIR INC$102,784,977$5,112,740 ▼-4.7%58,743,0000.4%NOTE 3.500%11/1MRKMerck & Co., Inc.$99,229,122$6,187,271 ▲6.6%831,6630.4%MedicalRIVIAN AUTOMOTIVE INC$98,466,497$16,116,594 ▲19.6%91,950,0000.3%NOTE 4.625% 3/1PMPhilip Morris International$98,034,055$5,489,784 ▲5.9%592,9240.3%Consumer StaplesAMDAdvanced Micro Devices$97,567,549$21,617,224 ▲28.5%479,5280.3%Computer and TechnologyRTXRTX$97,031,786$3,424,361 ▲3.7%503,0160.3%AerospaceCATCaterpillar$95,417,515$27,614,353 ▲40.7%134,6830.3%IndustrialsCOSTCostco Wholesale$92,060,853$2,398,795 ▲2.7%92,6060.3%Retail/WholesaleCSCOCisco Systems$90,267,535$2,088,661 ▲2.4%1,163,4260.3%Computer and TechnologyHEWLETT PACKARD ENTERPRISE C$89,830,433$32,006,895 ▼-26.3%1,392,5040.3%7.625 MAND CONVALBEMARLE CORP$89,660,824$819,306 ▲0.9%1,247,8890.3%7.25% DEP SHS ALAM RESEARCH CORP$88,273,843$9,985,186 ▲12.8%413,1510.3%COM NEWMSMorgan Stanley$88,162,494$15,005,500 ▲20.5%535,7140.3%FinanceDUKE ENERGY CORP NEW$86,549,441$64,042,153 ▼-42.5%78,473,0000.3%NOTE 4.125% 4/1LUMENTUM HLDGS INC$84,477,419$77,136 ▼-0.1%12,047,0000.3%NOTE 0.500%12/1STRATEGY INC$83,385,081$7,284,497 ▲9.6%99,531,0000.3%NOTE 12/0EVERGY INC$83,337,622$152,561 ▲0.2%61,727,0000.3%NOTE 4.500%12/1CCitigroup$83,198,823$9,268,205 ▲12.5%733,6110.3%Financial ServicesGEGE Aerospace$81,991,084$3,795,707 ▲4.9%288,9350.3%AerospaceBLOOM ENERGY CORP$79,111,230$64,727 ▼-0.1%11,000,0000.3%NOTE 3.000% 6/0SNOWFLAKE INC$78,222,661$30,770,781 ▲64.8%64,023,0000.3%NOTE 10/0MPCMarathon Petroleum$77,932,244$1,454,092 ▲1.9%319,1590.3%EnergyAXPAmerican Express$76,562,548$16,187,826 ▲26.8%253,1160.3%FinanceUNPUnion Pacific$76,450,121$9,997,819 ▲15.0%316,7790.3%TransportationISRGIntuitive Surgical$76,448,276$13,874,877 ▲22.2%165,8350.3%MedicalKOCocaCola$75,989,693$2,071,070 ▲2.8%999,2070.3%Consumer StaplesLOWLowe's Companies$74,327,544$984,106 ▼-1.3%314,5740.3%Retail/WholesaleACWXiShares MSCI ACWI ex U.S. ETF$73,385,983$70,921,064 ▲2,877.2%1,071,7980.3%ManufacturingTJXTJX Companies$73,105,740$16,084,192 ▲28.2%457,7690.3%Retail/WholesalePGProcter & Gamble$72,030,350$2,490,434 ▲3.6%498,6870.3%Consumer StaplesAPOLLO GLOBAL MGMT INC$71,933,335$2,318,933 ▼-3.1%1,230,4710.3%SER A MAND CNVKKR & CO INC$71,622,288$13,439,071 ▼-15.8%1,780,7630.3%6.25 CON SER DPPL CAP FDG INC$71,604,051$82,788,924 ▼-53.6%61,093,0000.3%NOTE 2.875% 3/1CBChubb$71,337,622$18,858,315 ▲35.9%218,8740.3%FinanceCSXCSX$70,655,794$1,214,505 ▲1.7%1,721,2130.3%TransportationCMS ENERGY CORP$70,531,866$998,849 ▲1.4%62,422,0000.2%NOTE 3.375% 5/0NSCNorfolk Southern$70,188,433$9,137,219 ▲15.0%244,5590.2%TransportationINTUIntuit$69,269,697$9,170,260 ▲15.3%150,6290.2%Computer and TechnologyBABoeing$68,885,079$18,224,978 ▲36.0%346,1040.2%AerospaceTMOThermo Fisher Scientific$68,435,722$15,075,225 ▼-18.1%139,2300.2%MedicalORCLOracle$68,401,855$3,262,437 ▼-4.6%452,9810.2%Computer and TechnologyUNHUnitedHealth Group$67,887,787$2,999,490 ▲4.6%250,8880.2%MedicalSEA LTD$65,179,3110.0%66,589,0000.2%NOTE 0.250% 9/1ARISTA NETWORKS INC$64,602,416$44,215,043 ▲216.9%526,1640.2%COM SHSSTRATEGY INC$63,369,482$27,540,332 ▲76.9%61,903,0000.2%NOTE 2.250% 6/1UITBVictoryShares Core Intermediate Bond ETF$62,682,672$60,153,158 ▲2,378.1%1,333,1920.2%ETFLIVE NATION ENTERTAINMENT IN$61,878,036$27,818,630 ▲81.7%57,121,0000.2%NOTE 2.875% 1/1JAZZ INVESTMENTS I LTD$61,752,470$21,197 ▼0.0%43,700,0000.2%NOTE 3.125% 9/1SHWSherwin-Williams$60,247,067$2,355,081 ▲4.1%187,9490.2%Basic MaterialsPWRQuanta Services$59,569,219$2,958,669 ▲5.2%108,5010.2%ConstructionRIVIAN AUTOMOTIVE INC$59,431,3400.0%62,000,0000.2%NOTE 3.625%10/1Showing largest 100 holdings. 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