Calamos Advisors LLC Top Holdings and 13F Report (2026) About Calamos Advisors LLCInvestment ActivityCalamos Advisors LLC has $33.50 billion in total holdings as of September 30, 2026.Calamos Advisors LLC owns shares of 991 different stocks, but just 167 companies or ETFs make up 80% of its holdings.Approximately 16.72% of the portfolio was purchased this quarter.About 7.65% of the portfolio was sold this quarter.This quarter, Calamos Advisors LLC has purchased 948 new stocks and bought additional shares in 407 stocks.Calamos Advisors LLC sold shares of 162 stocks and completely divested from 128 stocks this quarter.Largest Holdings SPDR S&P 500 ETF Trust $2,044,743,840NVIDIA $1,660,110,399CALAMOS ETF TR $1,610,990,328Apple $1,371,461,720Microsoft $1,104,222,089 Largest New Holdings this Quarter 922908363 - Vanguard S&P 500 ETF $315,932,600 Holding55024UAK5 - LUMENTUM HLDGS INC $250,626,467 Holding30233Q108 - EXXONMOBIL HOLDINGS CORP $187,717,478 Holding26441C881 - DUKE ENERGY CORP NEW $128,241,190 Holding15189TBR7 - CENTERPOINT ENERGY INC $126,918,660 Holding Largest Purchases this Quarter CALAMOS ETF TR 5,134,908 shares (about $522.63M)SPDR S&P 500 ETF Trust 619,071 shares (about $463.26M)Vanguard S&P 500 ETF 460,000 shares (about $315.93M)LUMENTUM HLDGS INC 47,906,000 shares (about $250.63M)Invesco QQQ 286,623 shares (about $211.08M) Largest Sales this Quarter WESTERN DIGITAL CORP 42,874,000 shares (about $515.54M)iShares MSCI EAFE ETF 1,730,000 shares (about $179.71M)ORACLE CORP 1,057,465 shares (about $46.78M)VanEck Semiconductor ETF 65,700 shares (about $43.09M)KKR & CO INC 795,072 shares (about $32.52M) 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$2,044,743,840$463,257,582 ▲29.3%2,732,4796.1%ETFNVDANVIDIA$1,660,110,399$48,992,105 ▲3.0%7,284,6545.0%TechnologyCALAMOS ETF TR$1,610,990,328$522,630,936 ▲48.0%15,828,1624.8%TAX AWA COLL ETFAAPLApple$1,371,461,720$19,115,335 ▲1.4%4,138,4204.1%TechnologyMSFTMicrosoft$1,104,222,089$23,495,309 ▲2.2%2,153,6633.3%TechnologyAMZNAmazon.com$817,452,446$47,369,455 ▲6.2%3,282,5142.4%Consumer DiscretionaryGOOGLAlphabet$761,307,749$64,047,990 ▲9.2%2,211,0832.3%Communication ServicesQQQInvesco QQQ$584,192,786$211,081,431 ▲56.6%793,2631.7%ETFMETAMeta Platforms$563,010,349$81,121,513 ▲16.8%785,0351.7%Communication ServicesAVGOBroadcom$503,263,656$15,244,880 ▲3.1%1,432,9181.5%TechnologyMUMicron Technology$339,340,851$5,477,861 ▲1.6%318,5971.0%TechnologyLLYEli Lilly and Company$334,664,563$7,209,765 ▲2.2%289,2321.0%HealthcareAMDAdvanced Micro Devices$334,335,405$1,801,021 ▲0.5%546,5141.0%TechnologyGOOGAlphabet$316,568,586$7,445,169 ▲2.4%929,0620.9%Communication ServicesVOOVanguard S&P 500 ETF$315,932,600$315,932,600 ▲New Holding460,0000.9%ETFIWMiShares Russell 2000 ETF$313,013,040$48,070,072 ▲18.1%1,051,2000.9%ETFALPHABET INC$307,372,776$78,518,871 ▲34.3%6,262,6890.9%DEP SHS RP1/20 AALPHABET INC$274,704,772$50,881,333 ▲22.7%5,665,1840.8%DEP SHS RP1/20 BTSLATesla$269,197,751$3,765,823 ▲1.4%758,4500.8%Consumer DiscretionaryHEWLETT PACKARD ENTERPRISE C$260,579,049$1,066,248 ▲0.4%1,593,1710.8%7.625 MAND CONVLUMENTUM HLDGS INC$250,626,467$250,626,467 ▲New Holding47,906,0000.7%NOTE 0.375% 3/1JPMJPMorgan Chase & Co.$248,326,291$13,971,613 ▲6.0%750,6160.7%FinanceVVisa$240,523,644$2,838,707 ▲1.2%669,3670.7%FinanceSUPER MICRO COMPUTER INC$237,941,817$133,885,147 ▲128.7%3,461,9790.7%7 DEP CM SR A WIALIBABA GROUP HLDG LTD$237,380,910$642,409 ▲0.3%189,562,0000.7%NOTE 0.500% 6/0EXXONMOBIL HOLDINGS CORP$187,717,478$187,717,478 ▲New Holding1,153,4100.6%COM SHSJNJJohnson & Johnson$173,869,319$2,523,766 ▲1.5%656,7550.5%HealthcareSNOWFLAKE INC$167,957,218$18,596,517 ▼-10.0%75,622,0000.5%NOTE 10/0UNHUnitedHealth Group$158,804,674$42,645,427 ▲36.7%422,9610.5%HealthcareCLOUDFLARE INC$150,306,140$182,942 ▼-0.1%95,306,0000.4%NOTE 6/1DOORDASH INC$147,651,094$24,821,490 ▲20.2%154,602,0000.4%NOTE 5/1INTCIntel$145,496,214$6,992,096 ▼-4.6%1,210,1490.4%TechnologyWALMART INC$144,418,280$2,146,933 ▲1.5%1,389,2030.4%COMAMATApplied Materials$143,131,682$12,018,453 ▼-7.7%279,8930.4%TechnologyCCitigroup$141,746,170$45,179,476 ▲46.8%1,079,5580.4%FinanceWFCWells Fargo & Company$140,993,266$31,632,718 ▲28.9%1,761,3150.4%FinanceGSThe Goldman Sachs Group$134,611,923$14,587,633 ▼-9.8%149,5090.4%FinanceMAMastercard$133,855,556$2,076,285 ▲1.6%242,7250.4%FinancePALANTIR TECHNOLOGIES INC$131,969,660$7,429,007 ▲6.0%706,5850.4%CL ABOEING CO$131,774,759$31,208,971 ▼-19.1%2,227,4300.4%DEP CONV PFD ACATCaterpillar$130,828,264$8,998,147 ▲7.4%161,3590.4%IndustrialsON SEMICONDUCTOR CORP$129,836,999$52,025 ▼0.0%122,287,0000.4%NOTE 0.500% 3/0CSCOCisco Systems$129,696,259$2,317,150 ▲1.8%1,204,6360.4%TechnologyORACLE CORP$129,151,557$46,782,251 ▼-26.6%2,919,3390.4%6.5 DEP CUM SR DPANWPalo Alto Networks$128,825,679$27,292,315 ▲26.9%336,0040.4%TechnologyBRK.BBerkshire Hathaway$128,292,336$2,594,817 ▲2.1%257,6410.4%FinanceDUKE ENERGY CORP NEW$128,241,190$128,241,190 ▲New Holding2,666,1370.4%UNIT 08/01/2029CENTERPOINT ENERGY INC$126,918,660$126,918,660 ▲New Holding128,985,0000.4%NOTE 3.000% 8/0BACBank of America$122,056,499$1,915,228 ▲1.6%2,242,4490.4%FinanceLAM RESEARCH CORP$121,597,319$1,548,268 ▲1.3%370,1480.4%COM NEWFCXFreeport-McMoRan$121,364,349$52,953,274 ▲77.4%1,745,0610.4%MaterialsMSMorgan Stanley$120,777,077$37,579,136 ▲45.2%642,1580.4%FinancePMPhilip Morris International$120,389,292$9,365,446 ▲8.4%630,9050.4%Consumer StaplesTMOThermo Fisher Scientific$119,413,645$41,666,786 ▲53.6%176,8960.4%HealthcareMRKMerck & Co., Inc.$116,192,201$21,667,610 ▲22.9%799,6160.3%HealthcareCVXChevron$115,639,835$2,159,112 ▲1.9%566,2790.3%EnergyCYBERARK SOFTWARE LTD$115,244,322$20,388,890 ▼-15.0%61,548,0000.3%NOTE 6/1GE VERNOVA INC$113,169,141$4,364,650 ▼-3.7%119,0640.3%COMEWYiShares MSCI South Korea ETF$107,168,520$7,002,902 ▲7.0%530,8000.3%ETFMPCMarathon Petroleum$106,796,220$8,244,902 ▼-7.2%270,0830.3%EnergyABBVAbbVie$106,372,696$1,764,686 ▲1.7%406,6390.3%HealthcareDATADOG INC$105,659,111$494,484 ▲0.5%73,077,0000.3%NOTE 12/0AKAMAI TECHNOLOGIES INC$104,351,437$315,494 ▲0.3%78,389,0000.3%NOTE 0.250% 5/1UBER TECHNOLOGIES INC$102,587,246$17,202 ▲0.0%89,456,0000.3%NOTE 0.875%12/0PPL CORP$100,767,263$116,621 ▲0.1%2,238,7750.3%UNIT 02/15/2029LINDE PLC$100,054,321$1,986,885 ▲2.0%210,7960.3%SHSUNPUnion Pacific$98,737,200$29,363,099 ▲42.3%362,8310.3%IndustrialsKOCoca-Cola$98,066,124$14,950,547 ▲18.0%1,139,2440.3%Consumer StaplesSOUTHERN CO$95,300,227$647,164 ▲0.7%2,130,0900.3%UNIT 12/15/2028MICROCHIP TECHNOLOGY INC.$94,691,180$2,439,258 ▼-2.5%1,422,0030.3%DEP SHS REPSTGAKAMAI TECHNOLOGIES INC$93,494,378$15,505,781 ▲19.9%84,608,0000.3%NOTE 1.125% 2/1NFLXNetflix$93,270,032$7,942,860 ▼-7.8%1,340,3620.3%Communication ServicesNEXTERA ENERGY INC$91,846,531$244,506 ▲0.3%2,131,0100.3%UNIT 02/15/2029RTXRTX$90,525,539$1,473,875 ▲1.7%487,6140.3%IndustrialsBABoeing$88,911,248$44,283,435 ▲99.2%477,8890.3%IndustrialsRIVIAN AUTOMOTIVE INC$88,360,740$25,929,220 ▲41.5%87,750,0000.3%NOTE 3.625%10/1GEGE Aerospace$87,889,648$1,289,758 ▲1.5%281,4360.3%IndustrialsCSXCSX$86,458,090$7,814,099 ▲9.9%1,858,9140.3%IndustrialsWDCWestern Digital$86,093,794$60,061,682 ▲230.7%157,8170.3%TechnologyORCLOracle$85,974,377$26,544,621 ▲44.7%626,1790.3%TechnologyNSCNorfolk Southern$84,912,891$10,127,475 ▲13.5%274,7990.3%IndustrialsEEMiShares MSCI Emerging Markets ETF$82,290,3890.0%1,202,9000.2%ETFETSY INC$81,036,261$29,861 ▲0.0%73,271,0000.2%NOTE 1.000% 6/1SHWSherwin-Williams$81,026,009$31,773,238 ▲64.5%250,6450.2%MaterialsSTXSeagate Technology$80,820,043$55,503,655 ▲219.2%87,6250.2%TechnologyEVERGY INC$79,229,123$101,398 ▲0.1%61,728,0000.2%NOTE 4.500%12/1MKS INC.$78,099,941$15,077,811 ▼-16.2%42,552,0000.2%NOTE 1.250% 6/0CMS ENERGY CORP$77,583,780$36,339 ▲0.0%76,859,0000.2%NOTE 3.375% 5/0HDHome Depot$76,338,909$1,208,798 ▲1.6%268,3360.2%Consumer DiscretionaryCOSTCostco Wholesale$75,674,422$1,170,331 ▲1.6%83,0890.2%Consumer StaplesEFAiShares MSCI EAFE ETF$75,541,536$179,712,400 ▼-70.4%727,2000.2%ETFRIVIAN AUTOMOTIVE INC$74,488,027$26,704,568 ▼-26.4%67,435,0000.2%NOTE 4.625% 3/1CRMSalesforce$74,321,451$14,272,826 ▲23.8%323,7420.2%TechnologyLYFT INC$74,198,672$74,198,672 ▲New Holding77,308,0000.2%NOTE 9/1NEBIUS GROUP N.V.$73,667,896$73,667,896 ▲New Holding40,048,0000.2%NOTE 2.750% 9/1JCIJohnson Controls International$71,111,782$27,300,762 ▲62.3%478,3840.2%IndustrialsDDOGDatadog$70,884,703$18,715,457 ▲35.9%258,8450.2%TechnologyUALUnited Airlines$70,817,610$42,720,854 ▲152.0%638,2840.2%IndustrialsJAZZ INVESTMENTS I LTD$70,536,120$324,304 ▼-0.5%43,500,0000.2%NOTE 3.125% 9/1PGProcter & Gamble$70,430,872$1,093,813 ▲1.6%484,7940.2%Consumer StaplesShowing largest 100 holdings. 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