Calamos Advisors LLC

13F filer · CIK 0001316507

Reported Jul 31, 2026

13F portfolio value$30.1BU.S. long equity reported on 13F

Positions678Not reported new · Not reported closed

Net flow last quarterNot reportedBuys minus sells

Top 10 positions weight22.1%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Jul 31, 2026678 positions
NVDANvidia Corp	$1.41B	4.70%	0.03%	-13.8%	Q2 2013
AAPLApple Inc.	$1.14B	3.78%	0.03%	-17.9%	Q2 2013
MSFTMicrosoft Corp	$763M	2.54%	0.03%	-13.9%	Q2 2013
GOOGLAlphabet Inc.	$722M	2.40%	0.02%	-21.1%	Q4 2015
AMZNAmazon Com Inc	$713M	2.37%	0.03%	-12.2%	Q2 2013
AVGOBroadcom Inc.	$519M	1.73%	0.03%	-16.8%	Q1 2016
METAMeta Platforms, Inc.	$370M	1.23%	Not reported	-10.0%	Q2 2013
MUMicron Technology Inc	$362M	1.20%	0.03%	-2.7%	Q4 2013
LLYELI LILLY & Co	$339M	1.13%	0.03%	-8.3%	Q2 2013
GOOGAlphabet Inc.	$321M	1.07%	Not reported	-9.5%	Q4 2015
AMDAdvanced Micro Devices Inc	$314M	1.04%	0.03%	+13.2%	Q2 2017
TSLATesla, Inc.	$314M	1.04%	0.02%	-11.3%	Q3 2015
GOOGMAlphabet Inc.	$237M	0.79%	Not reported	New	Q2 2026
GOOGNAlphabet Inc.	$232M	0.77%	Not reported	New	Q2 2026
JPMJPMorgan Chase & Co	$232M	0.77%	0.03%	-12.0%	Q2 2013
VVisa Inc.	$227M	0.75%	0.04%	-13.2%	Q2 2013
AMATApplied Materials Inc	$219M	0.73%	0.04%	-1.2%	Q2 2013
INTCIntel Corp	$177M	0.59%	0.03%	+30.1%	Q2 2013
GSGoldman Sachs Group Inc	$168M	0.56%	0.06%	-3.0%	Q2 2013
JNJJohnson & Johnson	$164M	0.55%	0.03%	-16.3%	Q2 2013
CATCaterpillar Inc	$160M	0.53%	0.03%	+11.6%	Q2 2013
LRCXLam Research Corp	$158M	0.53%	0.03%	-11.6%	Q4 2013
XOMExxonMobil Holdings Corp	$155M	0.52%	0.03%	-11.4%	Q2 2013
WMTWalmart Inc.	$154M	0.51%	0.02%	-13.0%	Q2 2013
GEVGE Vernova Inc.	$145M	0.48%	0.05%	-19.1%	Q2 2024
CSCOCisco Systems, Inc.	$138M	0.46%	0.03%	+1.8%	Q2 2013
UNHUnitedhealth Group Inc	$129M	0.43%	0.03%	+23.3%	Q2 2013
BRK.BBerkshire Hathaway Inc	$126M	0.42%	Not reported	-7.8%	Q2 2013
BACBank of America Corp	$126M	0.42%	0.03%	-3.7%	Q2 2013
MAMastercard Inc	$123M	0.41%	0.02%	-3.8%	Q2 2013
WFCWells Fargo & Company	$113M	0.38%	0.05%	-18.8%	Q2 2013
MCHPPMicrochip Technology Inc	$112M	0.37%	Not reported	-22.2%	Q1 2025
PPLCPPL Corp	$110M	0.36%	Not reported	0.0%	Q1 2026
LINLinde PLC	$107M	0.36%	0.04%	-8.3%	Q4 2018
PMPhilip Morris International Inc.	$105M	0.35%	0.04%	-1.9%	Q2 2013
SOMNSouthern Co	$105M	0.35%	Not reported	+1.7%	Q4 2025
GEGeneral Electric Co	$104M	0.34%	0.03%	-4.0%	Q3 2021
CCitigroup Inc	$103M	0.34%	0.04%	+0.3%	Q2 2013
ABBVAbbVie Inc.	$101M	0.33%	0.02%	-17.3%	Q2 2013
NFLXNetflix Inc	$98.7M	0.33%	0.03%	-20.8%	Q4 2014
HDHome Depot, Inc.	$93.1M	0.31%	0.03%	-19.5%	Q2 2013
MSMorgan Stanley	$92.5M	0.31%	0.03%	-17.4%	Q2 2013
CVXChevron Corp	$92.1M	0.31%	0.03%	-19.6%	Q2 2013
RTXRTX Corp	$91M	0.30%	0.04%	-4.6%	Q2 2020
PANWPalo Alto Networks Inc	$83.7M	0.28%	0.03%	-7.1%	Q2 2013
MRKMerck & Co., Inc.	$83.6M	0.28%	0.03%	-16.4%	Q2 2013
CSXCSX Corp	$80.4M	0.27%	0.09%	-1.8%	Q2 2013
PWRQuanta Services, Inc.	$80.1M	0.27%	0.07%	+2.6%	Q2 2013
SMCIPSuper Micro Computer, Inc.	$78.7M	0.26%	Not reported	New	Q2 2026
KOCoca Cola Co	$78.5M	0.26%	0.02%	-3.4%	Q2 2013

Q1 2026Reported May 4, 2026811 positions
NVDANvidia Corp	$1.43B	5.06%	0.03%	+13.5%	Q2 2013
AAPLApple Inc.	$1.21B	4.30%	0.03%	+20.2%	Q2 2013
MSFTMicrosoft Corp	$879M	3.12%	0.03%	+11.6%	Q2 2013
GOOGLAlphabet Inc.	$736M	2.61%	0.02%	+12.0%	Q4 2015
AMZNAmazon Com Inc	$709M	2.51%	0.03%	+8.5%	Q2 2013
AVGOBroadcom Inc.	$511M	1.81%	0.03%	+19.4%	Q1 2016
SPYSPDR S&P 500 ETF Trust	$459M	1.62%	Not reported	+441.3%	Q2 2013
METAMeta Platforms, Inc.	$418M	1.48%	Not reported	+10.2%	Q2 2013
TSLATesla, Inc.	$313M	1.11%	0.02%	+5.4%	Q3 2015
GOOGAlphabet Inc.	$287M	1.02%	Not reported	+8.4%	Q4 2015
LLYELI LILLY & Co	$284M	1.01%	0.03%	+13.2%	Q2 2013
JPMJPMorgan Chase & Co	$237M	0.84%	0.03%	+12.9%	Q2 2013
VVisa Inc.	$230M	0.82%	0.04%	+9.2%	Q2 2013
XOMExxonMobil Holdings Corp	$218M	0.77%	0.03%	+9.2%	Q2 2013
WMTWalmart Inc.	$195M	0.69%	0.02%	+6.0%	Q2 2013
JNJJohnson & Johnson	$189M	0.67%	0.03%	+18.8%	Q2 2013
NFLXNetflix Inc	$168M	0.59%	0.04%	+8.5%	Q4 2014
GSGoldman Sachs Group Inc	$145M	0.51%	0.06%	+0.3%	Q2 2013
CVXChevron Corp	$143M	0.51%	0.03%	+12.6%	Q2 2013
WFCWells Fargo & Company	$134M	0.47%	0.05%	-3.6%	Q2 2013
GEVGE Vernova Inc.	$133M	0.47%	0.06%	+15.9%	Q2 2024
BRK.BBerkshire Hathaway Inc	$131M	0.46%	Not reported	+6.5%	Q2 2013
MAMastercard Inc	$124M	0.44%	0.02%	+3.2%	Q2 2013
PPLCPPL Corp	$115M	0.41%	Not reported	New	Q1 2026
BACBank of America Corp	$112M	0.40%	0.03%	-1.1%	Q2 2013
LINLinde PLC	$112M	0.40%	0.05%	+13.7%	Q4 2018
MUMicron Technology Inc	$109M	0.39%	0.03%	-19.2%	Q4 2013
PLTRPalantir Technologies Inc.	$108M	0.38%	0.03%	+21.7%	Q1 2025
HDHome Depot, Inc.	$108M	0.38%	0.03%	+21.2%	Q2 2013
SOMNSouthern Co	$107M	0.38%	Not reported	-16.3%	Q4 2025
MCHPPMicrochip Technology Inc	$107M	0.38%	Not reported	+11.4%	Q1 2025
ABBVAbbVie Inc.	$105M	0.37%	0.03%	+3.7%	Q2 2013
AMATApplied Materials Inc	$105M	0.37%	0.04%	+41.7%	Q2 2013
PMPhilip Morris International Inc.	$98M	0.35%	0.04%	+5.9%	Q2 2013
AMDAdvanced Micro Devices Inc	$97.2M	0.34%	0.03%	+28.8%	Q2 2017
RTXRTX Corp	$97M	0.34%	0.04%	+3.7%	Q2 2020
CATCaterpillar Inc	$95.4M	0.34%	0.03%	+40.7%	Q2 2013
MRKMerck & Co., Inc.	$93.5M	0.33%	0.03%	+8.0%	Q2 2013
COSTCostco Wholesale Corp	$90.7M	0.32%	0.02%	+3.3%	Q2 2013
CSCOCisco Systems, Inc.	$89.9M	0.32%	0.03%	+2.5%	Q2 2013
LRCXLam Research Corp	$88.3M	0.31%	0.03%	+12.8%	Q4 2013
MSMorgan Stanley	$88.2M	0.31%	0.03%	+20.5%	Q2 2013
CCitigroup Inc	$83.2M	0.29%	0.04%	+12.5%	Q2 2013
GEGeneral Electric Co	$82M	0.29%	0.03%	+4.9%	Q3 2021
MPCMarathon Petroleum Corp	$77.9M	0.28%	0.11%	+1.9%	Q2 2013
AXPAmerican Express Co	$76.6M	0.27%	0.04%	+26.8%	Q2 2013
ISRGIntuitive Surgical Inc	$76.4M	0.27%	0.05%	+22.2%	Q2 2013
KOCoca Cola Co	$76M	0.27%	0.02%	+2.8%	Q2 2013
LOWLowes Companies Inc	$74.3M	0.26%	0.06%	-1.3%	Q2 2013
TJXTJX Companies Inc	$73.1M	0.26%	0.04%	+28.2%	Q2 2013

Q4 2025Reported Jan 29, 2026611 positions
NVDANvidia Corp	$1.35B	5.05%	0.03%	-3.5%	Q2 2013
AAPLApple Inc.	$1.08B	4.06%	0.03%	-2.5%	Q2 2013
MSFTMicrosoft Corp	$1.03B	3.87%	0.03%	-3.1%	Q2 2013
AMZNAmazon Com Inc	$725M	2.72%	0.03%	-2.3%	Q2 2013
GOOGLAlphabet Inc.	$715M	2.69%	0.02%	+2.0%	Q4 2015
AVGOBroadcom Inc.	$479M	1.80%	0.03%	-1.2%	Q1 2016
METAMeta Platforms, Inc.	$438M	1.64%	Not reported	-2.3%	Q2 2013
TSLATesla, Inc.	$359M	1.35%	0.02%	+3.5%	Q3 2015
LLYELI LILLY & Co	$293M	1.10%	0.03%	-0.6%	Q2 2013
GOOGAlphabet Inc.	$290M	1.09%	Not reported	-3.9%	Q4 2015
VVisa Inc.	$245M	0.92%	0.04%	-2.7%	Q2 2013
JPMJPMorgan Chase & Co	$230M	0.86%	0.03%	-4.2%	Q2 2013
WMTWalmart Inc.	$165M	0.62%	0.02%	-10.6%	Q2 2013
WFCWells Fargo & Company	$163M	0.61%	0.06%	-2.1%	Q2 2013
NFLXNetflix Inc	$151M	0.57%	0.04%	-9.3%	Q4 2014
GSGoldman Sachs Group Inc	$150M	0.56%	0.06%	+2.9%	Q2 2013
XOMExxonMobil Holdings Corp	$141M	0.53%	0.03%	-1.3%	Q2 2013
MAMastercard Inc	$137M	0.52%	0.02%	-2.5%	Q2 2013
JNJJohnson & Johnson	$135M	0.51%	0.03%	+1.9%	Q2 2013
BRK.BBerkshire Hathaway Inc	$129M	0.49%	Not reported	-3.9%	Q2 2013
BACBank of America Corp	$127M	0.48%	0.03%	+2.4%	Q2 2013
SOMNSouthern Co	$125M	0.47%	Not reported	New	Q4 2025
MUMicron Technology Inc	$114M	0.43%	0.04%	+0.8%	Q4 2013
PLTRPalantir Technologies Inc.	$108M	0.41%	0.03%	-11.7%	Q1 2025
ABBVAbbVie Inc.	$107M	0.40%	0.03%	+3.4%	Q2 2013
TMOThermo Fisher Scientific Inc.	$98.4M	0.37%	0.05%	+15.0%	Q2 2013
MCHPPMicrochip Technology Inc	$98.2M	0.37%	Not reported	+0.3%	Q1 2025
CVXChevron Corp	$93.6M	0.35%	0.03%	-3.4%	Q2 2013
HDHome Depot, Inc.	$93.2M	0.35%	0.03%	-2.7%	Q2 2013
PMPhilip Morris International Inc.	$89.8M	0.34%	0.04%	-1.0%	Q2 2013
RTXRTX Corp	$89M	0.33%	0.04%	-6.2%	Q2 2020
SPYSPDR S&P 500 ETF Trust	$88.8M	0.33%	Not reported	-53.0%	Q2 2013
CSCOCisco Systems, Inc.	$87.1M	0.33%	0.03%	-2.9%	Q2 2013
INTUIntuit Inc.	$86.6M	0.33%	0.05%	+13.2%	Q3 2014
GEVGE Vernova Inc.	$86.2M	0.32%	0.05%	-9.3%	Q2 2024
GEGeneral Electric Co	$84.9M	0.32%	0.03%	-2.5%	Q3 2021
LINLinde PLC	$84.5M	0.32%	0.04%	-16.4%	Q4 2018
ORCLOracle Corp	$83.7M	0.31%	0.01%	-33.6%	Q2 2013
BSXBoston Scientific Corp	$83.1M	0.31%	0.06%	-2.6%	Q3 2019
AMDAdvanced Micro Devices Inc	$79.5M	0.30%	0.02%	+4.8%	Q2 2017
UNHUnitedhealth Group Inc	$79.2M	0.30%	0.03%	-2.9%	Q2 2013
MSMorgan Stanley	$78.9M	0.30%	0.03%	-8.0%	Q2 2013
ISRGIntuitive Surgical Inc	$76.9M	0.29%	0.04%	+20.0%	Q2 2013
LOWLowes Companies Inc	$76.9M	0.29%	0.06%	+9.1%	Q2 2013
CCitigroup Inc	$76.1M	0.29%	0.04%	+23.6%	Q2 2013
COSTCostco Wholesale Corp	$76M	0.29%	0.02%	-7.9%	Q2 2013
MRKMerck & Co., Inc.	$75.8M	0.28%	0.03%	+41.1%	Q2 2013
AXPAmerican Express Co	$73.8M	0.28%	0.03%	-2.0%	Q2 2013
CRMSalesforce, Inc.	$73.3M	0.28%	0.03%	+35.0%	Q2 2013
NOWServiceNow, Inc.	$72.1M	0.27%	0.04%	-15.6%	Q3 2013

Q3 2025Reported Oct 20, 2025617 positions
NVDANvidia Corp	$1.39B	5.15%	0.03%	-1.3%	Q2 2013
MSFTMicrosoft Corp	$1.14B	4.20%	0.03%	-1.5%	Q2 2013
AAPLApple Inc.	$1.04B	3.83%	0.03%	-1.0%	Q2 2013
AMZNAmazon Com Inc	$706M	2.61%	0.03%	-2.1%	Q2 2013
GOOGLAlphabet Inc.	$545M	2.01%	0.02%	-5.0%	Q4 2015
METAMeta Platforms, Inc.	$498M	1.84%	Not reported	+0.1%	Q2 2013
AVGOBroadcom Inc.	$462M	1.71%	0.03%	+0.5%	Q1 2016
TSLATesla, Inc.	$343M	1.27%	0.02%	-0.6%	Q3 2015
VVisa Inc.	$245M	0.90%	0.04%	-0.9%	Q2 2013
JPMJPMorgan Chase & Co	$235M	0.87%	0.03%	-0.3%	Q2 2013
GOOGAlphabet Inc.	$234M	0.86%	Not reported	0.0%	Q4 2015
NFLXNetflix Inc	$213M	0.78%	0.04%	+0.3%	Q4 2014
LLYELI LILLY & Co	$209M	0.77%	0.03%	-1.5%	Q2 2013
SPYSPDR S&P 500 ETF Trust	$185M	0.68%	Not reported	+38.4%	Q2 2013
ORCLOracle Corp	$182M	0.67%	0.02%	-8.4%	Q2 2013
WMTWalmart Inc.	$170M	0.63%	0.02%	-5.0%	Q2 2013
WFCWells Fargo & Company	$149M	0.55%	0.06%	-1.8%	Q2 2013
MAMastercard Inc	$140M	0.52%	0.02%	+0.2%	Q2 2013
BRK.BBerkshire Hathaway Inc	$135M	0.50%	Not reported	-14.9%	Q2 2013
XOMExxonMobil Holdings Corp	$134M	0.50%	0.03%	-5.9%	Q2 2013
GSGoldman Sachs Group Inc	$132M	0.49%	0.06%	+6.8%	Q2 2013
PLTRPalantir Technologies Inc.	$126M	0.47%	0.03%	+4.3%	Q1 2025
JNJJohnson & Johnson	$118M	0.44%	0.03%	+11.9%	Q2 2013
BACBank of America Corp	$117M	0.43%	0.03%	-14.2%	Q2 2013
HDHome Depot, Inc.	$113M	0.42%	0.03%	+8.1%	Q2 2013
LINLinde PLC	$113M	0.42%	0.05%	+0.2%	Q4 2018
ABBVAbbVie Inc.	$104M	0.39%	0.03%	-4.1%	Q2 2013
NOWServiceNow, Inc.	$103M	0.38%	0.05%	-12.8%	Q3 2013
MCHPPMicrochip Technology Inc	$99.2M	0.37%	Not reported	+0.1%	Q1 2025
CVXChevron Corp	$98.7M	0.36%	0.03%	+54.6%	Q2 2013
PMPhilip Morris International Inc.	$91.7M	0.34%	0.04%	+0.1%	Q2 2013
GEVGE Vernova Inc.	$89.4M	0.33%	0.05%	-0.1%	Q2 2024
COSTCostco Wholesale Corp	$88.5M	0.33%	0.02%	-9.2%	Q2 2013
BSXBoston Scientific Corp	$87.3M	0.32%	0.06%	-10.6%	Q3 2019
RTXRTX Corp	$86.5M	0.32%	0.04%	+0.2%	Q2 2020
UNHUnitedhealth Group Inc	$85.2M	0.31%	0.03%	-14.0%	Q2 2013
GEGeneral Electric Co	$85M	0.31%	0.03%	+0.2%	Q3 2021
BKNGBooking Holdings Inc.	$80.5M	0.30%	0.05%	+0.2%	Q1 2018
CSCOCisco Systems, Inc.	$79.6M	0.29%	0.03%	+0.2%	Q2 2013
UBERUber Technologies, Inc	$79.5M	0.29%	0.04%	+10.3%	Q2 2020
INTUIntuit Inc.	$78.8M	0.29%	0.04%	+4.2%	Q3 2014
MSMorgan Stanley	$76.8M	0.28%	0.03%	-1.0%	Q2 2013
PGPROCTER & GAMBLE Co	$75.9M	0.28%	0.02%	-9.1%	Q2 2013
LOWLowes Companies Inc	$73.4M	0.27%	0.05%	+3.4%	Q2 2013
TMOThermo Fisher Scientific Inc.	$71.6M	0.26%	0.04%	+22.9%	Q2 2013
DISWalt Disney Co	$71.2M	0.26%	0.03%	+0.2%	Q2 2013
ABTAbbott Laboratories	$68.4M	0.25%	0.03%	+0.2%	Q2 2013
AXPAmerican Express Co	$67.6M	0.25%	0.03%	+0.5%	Q2 2013
UNPUnion Pacific Corp	$67.1M	0.25%	0.05%	+53.4%	Q2 2013
MUMicron Technology Inc	$66.2M	0.24%	0.04%	+0.1%	Q4 2013

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