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Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

Holdings in Q1 2026

Holdings as of Mar 31, 2026, filed May 4, 2026. Long positions only; changes compare share counts with Q4 2025.

Institution overview
Positions
1,144
+261 vs. Q4 2025
Portfolio value
$25.9B
+$1.55B (+6.4%) vs. Q4 2025
Filed
May 4, 2026
SEC
Holdings of Calamos Advisors LLC in Q1 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
NVDANVIDIA CorpStock8,185,587$1.43B5.5%+970,691+13.5%AddedHistory
AAPLApple Inc.Stock4,778,795$1.21B4.7%+803,737+20.2%AddedHistory
MSFTMicrosoft CorpStock2,375,507$879.3M3.4%+247,258+11.6%AddedHistory
GOOGLAlphabet Inc.Stock2,558,213$735.6M2.8%+273,146+12.0%AddedHistory
AMZNAmazon Com IncStock3,405,860$709.3M2.7%+265,497+8.5%AddedHistory
AVGOBroadcom Inc.Stock1,652,420$511.4M2.0%+268,506+19.4%AddedHistory
SPYSPDR S&P 500 ETF TrustETF705,103$458.6M1.8%+574,836+441.3%AddedHistory
METAMeta Platforms, Inc.Stock730,902$418.2M1.6%+67,751+10.2%AddedHistory
Western Digital Corp958102AT2NOTE 3.000%11/1–$398.9M1.5%–––
TSLATesla, Inc.Stock841,450$312.8M1.2%+43,019+5.4%AddedHistory
GOOGAlphabet Inc.Stock1,001,871$287.4M1.1%+77,797+8.4%AddedHistory
LLYEli Lilly & CoStock308,497$283.7M1.1%+35,943+13.2%AddedHistory
Alibaba Group Hldg Ltd01609WBG6NOTE 0.500% 6/0–$262.4M1.0%–––
JPMJPMorgan Chase & CoStock804,936$236.8M0.9%+91,741+12.9%AddedHistory
VVisa Inc.Stock761,893$230.3M0.9%+63,884+9.2%AddedHistory
XOMExxonMobil Holdings CorpCOM1,282,150$217.5M0.8%+107,574+9.2%AddedHistory
WMTWalmart Inc.Stock1,567,252$194.8M0.8%+88,347+6.0%AddedHistory
JNJJohnson & JohnsonStock773,100$189.0M0.7%+122,350+18.8%AddedHistory
BA.PABoeing CoDEP CONV PFD A2,863,092$185.8M0.7%−246,568−7.9%ReducedHistory
ORCL.PDOracle Corp6.5 DEP CUM SR D4,083,470$183.8M0.7%+4,083,470NewHistory
iShares Core S&P 500 ETF464287200ETF273,147$178.4M0.7%+259,168+1,854.0%Added–
NFLXNetflix IncStock1,744,967$167.8M0.6%+136,877+8.5%AddedHistory
GSGoldman Sachs Group IncStock170,881$144.6M0.6%+484+0.3%AddedHistory
CVXChevron CorpStock691,326$143.0M0.6%+77,218+12.6%AddedHistory
WFCWells Fargo & CompanyStock1,682,021$133.9M0.5%−63,123−3.6%ReducedHistory
GEVGE Vernova Inc.Stock152,890$133.5M0.5%+20,980+15.9%AddedHistory
iShares S&P 500 Growth ETF464287309ETF1,168,503$132.2M0.5%+1,125,813+2,637.2%Added–
BRK.BBerkshire Hathaway IncStock273,861$131.2M0.5%+16,740+6.5%AddedHistory
iShares S&P 500 Value ETF464287408ETF619,118$130.7M0.5%+596,067+2,585.9%Added–
MKS Inc55306NAB0NOTE 1.250% 6/0–$129.8M0.5%–––
MAMastercard IncStock248,453$124.1M0.5%+7,771+3.2%AddedHistory
Lumentum Hldgs Inc55024UAH2NOTE 1.500%12/1–$114.8M0.4%–––
PPLCPPL CorpUNIT 02/15/20292,235,357$114.7M0.4%+2,235,357NewHistory
BACBank of America CorpStock2,291,150$111.7M0.4%−26,428−1.1%ReducedHistory
LINLinde PLCStock225,271$111.7M0.4%+27,093+13.7%AddedHistory
MUMicron Technology IncStock322,206$108.9M0.4%−76,542−19.2%ReducedHistory
Uber Technologies, Inc90353TAM2NOTE 0.875%12/0–$108.8M0.4%–––
PLTRPalantir Technologies Inc.Stock741,654$108.5M0.4%+132,135+21.7%AddedHistory
HDHome Depot, Inc.Stock328,049$107.9M0.4%+57,265+21.1%AddedHistory
NEE.PVNextera Energy IncUNIT 02/15/20292,132,972$107.1M0.4%+2,132,972NewHistory
SOMNSouthern CoUNIT 12/15/20282,081,325$107.0M0.4%−404,381−16.3%ReducedHistory
MCHPPMicrochip Technology IncDEP SHS REPSTG1,875,865$106.9M0.4%+191,262+11.4%AddedHistory
Advanced Energy Inds007973AE0NOTE 2.500% 9/1–$105.8M0.4%–––
ABBVAbbVie Inc.Stock483,670$105.2M0.4%+17,380+3.7%AddedHistory
AMATApplied Materials IncStock307,090$105.0M0.4%+90,344+41.7%AddedHistory
On Semiconductor Corp682189AU9NOTE 0.500% 3/0–$104.4M0.4%–––
Wayfair Inc.94419LAR2NOTE 3.500%11/1–$102.8M0.4%–––
Rivian Automotive, Inc.76954AAB9NOTE 4.625% 3/1–$98.5M0.4%–––
PMPhilip Morris International Inc.Stock592,924$98.0M0.4%+33,203+5.9%AddedHistory
AMDAdvanced Micro Devices IncStock477,928$97.2M0.4%+106,745+28.8%AddedHistory
RTXRTX CorpStock503,016$97.0M0.4%+17,752+3.7%AddedHistory
CATCaterpillar IncStock134,683$95.4M0.4%+38,978+40.7%AddedHistory
MRKMerck & Co., Inc.Stock777,663$93.5M0.4%+57,857+8.0%AddedHistory
COSTCostco Wholesale CorpStock91,006$90.7M0.4%+2,913+3.3%AddedHistory
CSCOCisco Systems, Inc.Stock1,158,626$89.9M0.3%+28,420+2.5%AddedHistory
HPE.PCHewlett Packard Enterprise Co7.625 MAND CONV1,392,504$89.8M0.3%−496,154−26.3%ReducedHistory
ALB.PAAlbemarle Corp7.25% DEP SHS A1,247,889$89.7M0.3%+11,403+0.9%AddedHistory
LRCXLam Research CorpStock413,151$88.3M0.3%+46,734+12.8%AddedHistory
MSMorgan StanleyStock535,714$88.2M0.3%+91,180+20.5%AddedHistory
Duke Energy CORP26441CBY0NOTE 4.125% 4/1–$86.5M0.3%–––
Lumentum Hldgs Inc55024UAD1NOTE 0.500%12/1–$84.5M0.3%–––
Strategy Inc594972AS0NOTE 12/0–$83.4M0.3%–––
Evergy, Inc.30034WAD8NOTE 4.500%12/1–$83.3M0.3%–––
CCitigroup IncStock733,611$83.2M0.3%+81,723+12.5%AddedHistory
GEGeneral Electric CoStock288,935$82.0M0.3%+13,376+4.9%AddedHistory
Bloom Energy Corp093712AK3NOTE 3.000% 6/0–$79.1M0.3%–––
Snowflake Inc.833445AD1NOTE 10/0–$78.2M0.3%–––
MPCMarathon Petroleum CorpStock319,159$77.9M0.3%+5,955+1.9%AddedHistory
AXPAmerican Express CoStock253,116$76.6M0.3%+53,517+26.8%AddedHistory
ISRGIntuitive Surgical IncCOM NEW165,835$76.4M0.3%+30,098+22.2%AddedHistory
KOCoca Cola CoStock999,207$76.0M0.3%+27,233+2.8%AddedHistory
LOWLowes Companies IncStock314,574$74.3M0.3%−4,165−1.3%ReducedHistory
iShares MSCI Acwi Ex U.S. ETF464288240ETF1,071,798$73.4M0.3%+1,035,798+2,877.2%Added–
TJXTJX Companies IncStock457,769$73.1M0.3%+100,715+28.2%AddedHistory
PGProcter & Gamble CoStock498,687$72.0M0.3%+17,242+3.6%AddedHistory
Apollo Global Mgmt Inc03769M304SER A MAND CNV1,230,471$71.9M0.3%−39,667−3.1%Reduced–
KKR.PDKKR & Co. Inc.6.25 CON SER D1,780,763$71.6M0.3%−334,139−15.8%ReducedHistory
PPL Cap FDG Inc69352PAS2NOTE 2.875% 3/1–$71.6M0.3%–––
CBChubb LtdStock218,874$71.3M0.3%+57,860+35.9%AddedHistory
CSXCSX CorpStock1,721,213$70.7M0.3%+29,586+1.7%AddedHistory
CMS Energy Corp125896BX7NOTE 3.375% 5/0–$70.5M0.3%–––
NSCNorfolk Southern CorpStock244,559$70.2M0.3%+31,837+15.0%AddedHistory
BABoeing CoStock346,104$68.9M0.3%+91,569+36.0%AddedHistory
TMOThermo Fisher Scientific Inc.Stock139,230$68.4M0.3%−30,670−18.1%ReducedHistory
UNPUnion Pacific CorpStock280,779$68.1M0.3%+5,427+2.0%AddedHistory
UNHUnitedHealth Group IncStock250,888$67.9M0.3%+11,085+4.6%AddedHistory
Sea Ltd81141RAG5NOTE 0.250% 9/1–$65.2M0.3%–––
ANETArista Networks, Inc.Stock526,164$64.6M0.2%+360,116+216.9%AddedHistory
Strategy Inc594972AN1NOTE 2.250% 6/1–$63.4M0.2%–––
Victory Portfolios II92647N527CORE BD ETF1,333,192$62.7M0.2%+1,279,392+2,378.1%Added–
Live Nation Entertainment IN538034BC2NOTE 2.875% 1/1–$61.9M0.2%–––
Jazz Investments I Ltd472145AH4NOTE 3.125% 9/1–$61.8M0.2%–––
ORCLOracle CorpStock416,081$61.2M0.2%−13,205−3.1%ReducedHistory
SHWSherwin Williams CoCOM187,949$60.2M0.2%+7,347+4.1%AddedHistory
PWRQuanta Services, Inc.COM108,501$59.6M0.2%+5,389+5.2%AddedHistory
Rivian Automotive, Inc.76954AAD5NOTE 3.625%10/1–$59.4M0.2%–––
UBERUber Technologies, IncStock820,402$59.0M0.2%+39,072+5.0%AddedHistory
Akamai Technologies Inc00971TAN1NOTE 1.125% 2/1–$58.9M0.2%–––
Datadog, Inc.23804LAD5NOTE 12/0–$58.0M0.2%–––
Coinbase Global, Inc.19260QAF4NOTE 0.250% 4/0–$58.0M0.2%–––

Options (44)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Calamos Advisors LLC in Q1 2026
SecurityClassPutsCalls
SPYSPDR S&P 500 ETF TrustETF$613.9M$551.5M
Invesco QQQ Trust Series I46090E103ETF$327.3M$130.9M
iShares Russell 2000 ETF464287655ETF$112.1M$117.1M
iShares MSCI Eafe ETF464287465ETF$48.5M$67.2M
iShares Tr464287234MSCI EMG MKT ETF$46.0M–
USOUnited States Oil Fund, LPUNITS$40.1M–
MSFTMicrosoft CorpStock–$26.8M
VanEck Semiconductor ETF92189F676ETF–$26.6M
Kraneshares Trust500767306CSI CHI INTERNET–$25.7M
iShares MSCI India ETF46429B598ETF–$25.1M
PBRPetrobras - Petroleo Brasileiro SASPONSORED ADR–$20.9M
AMZNAmazon Com IncStock$230.8K$17.3M
DARDarling Ingredients Inc.COM–$14.0M
INTUIntuit Inc.Stock–$11.9M
MMM3M CoStock–$11.4M
NKENIKE, Inc.Stock–$9.59M
METAMeta Platforms, Inc.Stock$8.25M$1.06M
NOKNokia CorpSPONSORED ADR–$8.70M
CPCanadian Pacific Kansas City LtdCOM–$8.36M
UNPUnion Pacific CorpStock–$8.33M
NCLHNorwegian Cruise Line Holdings Ltd.SHS–$7.52M
ORCLOracle CorpStock–$7.19M
FCXFreeport-McMoran IncStock–$6.76M
MRKMerck & Co., Inc.Stock–$5.68M
Direxion Shares ETF Trust25459Y207NASDAQ 100 EQ WT–$5.44M
TOSTToast, Inc.Stock–$4.97M
DASHDoorDash, Inc.Stock–$4.30M
SCCOSouthern Copper CorpStock–$3.82M
AAPLApple Inc.Stock$217.5K$2.17M
NVDANVIDIA CorpStock–$2.09M
AVGOBroadcom Inc.Stock$276.9K$1.77M
GOOGLAlphabet Inc.Stock–$2.00M
ZTOZTO Express (Cayman) Inc.SPONSORED ADS A–$1.91M
COSTCostco Wholesale CorpStock–$1.38M
AMATApplied Materials IncStock–$771.0K
TSLATesla, Inc.Stock–$719.6K
WMTWalmart Inc.Stock–$713.0K
LINLinde PLCStock–$682.2K
PLTRPalantir Technologies Inc.Stock–$568.8K
NFLXNetflix IncStock–$450.0K
CSCOCisco Systems, Inc.Stock–$369.7K
VanEck ETF Trust92189F106GOLD MINERS ETF–$351.7K
AMDAdvanced Micro Devices IncStock–$342.7K
TMUST-Mobile US, Inc.Stock–$324.9K

Sold out since Q4 2025 (120)

Positions held at the end of Q4 2025 that are gone from this filing.

The largest 100 of 120 by value last quarter.

Positions of Calamos Advisors LLC sold out since Q4 2025
SecurityClassShares in Q4 2025Value in Q4 2025% of portfolio in Q4 2025History
Spotify USA Inc84921RAB6NOTE 3/1–$163.3M0.7%–
Airbnb, Inc.009066AB7NOTE 3/1–$124.3M0.5%–
Cyberark Software LtdM2682V108SHS97,152$43.3M0.2%–
Unity Software Inc.91332UAB7NOTE 11/1–$42.9M0.2%–
RingCentral, Inc.76680RAH0NOTE 3/1–$40.7M0.2%–
TGNATegna IncCOM1,665,326$32.3M0.1%History
Ceridian HCM Hldg Inc15677JAD0NOTE 0.250% 3/1–$29.6M0.1%–
Confluent, Inc.20717MAB9NOTE 1/1–$29.6M0.1%–
iShares Tr464287556ISHARES BIOTECH168,310$28.4M0.1%–
HOUSAnywhere Real Estate Inc.COM2,000,000$28.3M0.1%History
Coinbase Global, Inc.19260QAB3NOTE 0.500% 6/0–$27.5M0.1%–
Alliant Energy Corp018802AC2NOTE 3.875% 3/1–$27.2M0.1%–
Exact Sciences Corp30063PAC9NOTE 0.375% 3/0–$23.8M0.1%–
Dropbox, Inc.26210CAC8NOTE 3/0–$22.8M0.1%–
Alarm Com Hldgs Inc011642AB1NOTE 1/1–$20.0M0.1%–
Enphase Energy, Inc.29355AAH0NOTE 3/0–$19.8M0.1%–
Tyler Tex Indpt SCH Dist902252AB1NOTE 0.250% 3/1–$17.6M0.1%–
Ford MTR Co Del345370CZ1NOTE 3/1–$16.6M0.1%–
Bentley Sys Inc08265TAB5NOTE 0.125% 1/1–$16.4M0.1%–
Li Auto Inc.50202MAB8NOTE 0.250% 5/0–$15.2M0.1%–
Alignment Healthcare, Inc.01625VAB0NOTE 4.250%11/1–$15.0M0.1%–
Guess Inc401617AF2NOTE 3.750% 4/1–$14.9M0.1%–
Jamf Hldg Corp47074LAB1NOTE 0.125% 9/0–$14.8M0.1%–
TripAdvisor, Inc.896945AD4NOTE 0.250% 4/0–$14.8M0.1%–
Affirm Hldgs Inc00827BAD8NOTE 0.750%12/1–$14.7M0.1%–
Box Inc10316TAB0NOTE 1/1–$14.1M0.1%–
FROGJFrog LtdStock223,696$14.0M0.1%History
Itron, Inc.465741AN6NOTE 3/1–$11.3M<0.1%–
COHRCoherent Corp.COM59,357$11.0M<0.1%History
HOODRobinhood Markets, Inc.Stock93,660$10.6M<0.1%History
Progress Software Corp743312AD2NOTE 3.500% 3/0–$10.2M<0.1%–
VCICOdysseus (Cayman) LtdORD SHS CL A925,000$9.96M<0.1%History
Riot Platforms, Inc.767292AB1NOTE 0.750% 1/1–$7.75M<0.1%–
Greenbrier Cos Inc393657AM3NOTE 2.875% 4/1–$7.15M<0.1%–
Marriott Vacations Worldwide Corp57164YAD9NOTE 1/1–$6.99M<0.1%–
PINSPinterest, Inc.CL A236,000$6.11M<0.1%History
MTCHMatch Group, Inc.COM178,590$5.77M<0.1%History
PAYCPaycom Software, Inc.Stock35,890$5.72M<0.1%History
Fortuna MNG Corp349915AE8NOTE 3.750% 6/3–$5.68M<0.1%–
ADMAAdma Biologics, Inc.COM292,426$5.33M<0.1%History
ICLRIcon PLCCOM26,500$4.83M<0.1%History
Vail Resorts Inc91879QAN9NOTE 1/0–$4.64M<0.1%–
BOOTBoot Barn Holdings, Inc.COM26,177$4.62M<0.1%History
CRDOCredo Technology Group Holding LtdStock30,832$4.44M<0.1%History
ARGXArgenx SESPONSORED ADR4,640$3.90M<0.1%History
BBIOBridgeBio Pharma, Inc.COM45,044$3.45M<0.1%History
HRIHerc Holdings IncCOM22,340$3.31M<0.1%History
SGHCSuper Group (SGHC) LtdORD SHS244,951$2.93M<0.1%History
AWIArmstrong World Industries IncCOM15,018$2.87M<0.1%History
APPNAppian CorpCL A72,473$2.57M<0.1%History
PLMRPalomar Holdings, Inc.Stock17,396$2.34M<0.1%History
MNKDMannkind CorpCOM NEW370,718$2.10M<0.1%History
EXTRExtreme Networks IncCOM111,894$1.86M<0.1%History
MGNIMagnite, Inc.COM113,457$1.84M<0.1%History
MIAXMiami International Holdings, Inc.COM41,364$1.84M<0.1%History
SKWDSkyward Specialty Insurance Group, Inc.COM32,465$1.66M<0.1%History
ARQTArcutis Biotherapeutics, Inc.COM54,165$1.57M<0.1%History
AORTArtivion, Inc.COM34,047$1.55M<0.1%History
CELHCelsius Holdings, Inc.COM NEW32,588$1.49M<0.1%History
BROSDutch Bros Inc.CL A23,598$1.44M<0.1%History
Exact Sciences Corp30063PAB1NOTE 0.375% 3/1–$1.40M<0.1%–
Expedia Group, Inc.30212PBE4NOTE 2/1–$1.27M<0.1%–
OWLTOwlet, Inc.CL A NEW77,772$1.26M<0.1%History
CALXCalix, IncCOM23,409$1.24M<0.1%History
OPRXOptimizeRx CorpCOM NEW97,118$1.19M<0.1%History
WTFCWintrust Financial CorpCOM8,300$1.16M<0.1%History
PIPRPiper Sandler CompaniesCOM3,404$1.16M<0.1%History
BBNXBeta Bionics, Inc.COM36,091$1.10M<0.1%History
AODabrdn Total Dynamic Dividend FundCOM SH BEN INT86,654$844.9K<0.1%History
IOTSamsara Inc.Stock22,444$795.6K<0.1%History
VanEck Vectors ETF Tr92189F817VIETNAM ETF41,655$794.8K<0.1%–
XERSXeris Biopharma Holdings, Inc.COM99,117$778.1K<0.1%History
URBNUrban Outfitters IncCOM10,000$752.6K<0.1%History
MIRMirion Technologies, Inc.COM CL A31,700$742.4K<0.1%History
NCL Corp Ltd62886HBK6NOTE 2.500% 2/1–$668.4K<0.1%–
OAKUOak Woods Acquisition CorpCL A55,000$665.5K<0.1%History
REALTheRealReal, Inc.COM39,299$620.1K<0.1%History
AVAVAeroVironment IncCOM2,480$599.9K<0.1%History
TYGTortoise Energy Infrastructure CorpCOM14,575$596.1K<0.1%History
RMBSRambus IncCOM6,316$580.4K<0.1%History
RGENRepligen CorpCOM3,362$550.9K<0.1%History
Alnylam Pharmaceuticals, Inc.02043QAB3NOTE 1.000% 9/1–$548.6K<0.1%–
EXPDExpeditors International of Washington IncCOM3,634$541.5K<0.1%History
GENIGenius Sports LtdSHARES CL A45,528$501.7K<0.1%History
EVLVEvolv Technologies Holdings, Inc.COM CL A68,228$488.5K<0.1%History
RQICohen & Steers Quality Income Realty Fund IncCEF42,391$484.1K<0.1%History
DLYDoubleLine Yield Opportunities FundCOM32,571$473.6K<0.1%History
STEWSRH Total Return Fund, Inc.COM24,196$448.6K<0.1%History
ALLTAllot Ltd.SHS44,719$439.6K<0.1%History
ENGNWenGene Therapeutics Inc.*W EXP 10/31/202148,290$418.2K<0.1%History
UUnity Software Inc.COM9,300$410.8K<0.1%History
ALNYAlnylam Pharmaceuticals, Inc.COM1,000$397.6K<0.1%History
DIAXNuveen Dow 30sm Dynamic Overwrite FundSHS25,709$392.3K<0.1%History
OSGOctave Specialty Group IncCOM NEW49,089$381.9K<0.1%History
PAYPaymentus Holdings, Inc.Stock11,962$377.9K<0.1%History
XGNExagen Inc.COM56,306$342.3K<0.1%History
PONYPony AI Inc.SPONSORED ADS20,820$301.9K<0.1%History
Vanguard Scottsdale FDS92206C813LG-TERM COR BD3,908$296.4K<0.1%–
PRCHPorch Group, Inc.COM31,978$292.0K<0.1%History
GameStop Corp Class36467W117*W EXP 10/30/20294,926$285.7K<0.1%–