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Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

Holdings in Q2 2024

Holdings as of Jun 30, 2024, filed Jul 25, 2024. Long positions only; changes compare share counts with Q1 2024.

Institution overview
Positions
909
−17 vs. Q1 2024
Portfolio value
$20.6B
+$38.6M (+0.2%) vs. Q1 2024
Filed
Jul 25, 2024
SEC
Holdings of Calamos Advisors LLC in Q2 2024
SecurityClassSharesValue% of portfolioShare changeActionHistory
MSFTMicrosoft CorpStock2,472,882$1.11B5.4%−48,318−1.9%ReducedHistory
NVDANVIDIA CorpStock8,353,043$1.03B5.0%−183,947−2.2%ReducedConverted for a 10-for-1 splitHistory
AAPLApple Inc.Stock4,332,084$912.4M4.4%−63,710−1.4%ReducedHistory
AMZNAmazon Com IncStock3,324,424$642.4M3.1%−43,116−1.3%ReducedHistory
GOOGLAlphabet Inc.Stock2,562,652$466.8M2.3%−48,000−1.8%ReducedHistory
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$397.0M1.9%–––
METAMeta Platforms, Inc.Stock686,493$346.1M1.7%−13,776−2.0%ReducedHistory
LLYEli Lilly & CoStock331,402$300.0M1.5%−6,332−1.9%ReducedHistory
GOOGAlphabet Inc.Stock1,286,381$235.9M1.1%−39,626−3.0%ReducedHistory
AVGOBroadcom Inc.Stock137,260$220.4M1.1%+2,802+2.1%AddedHistory
VVisa Inc.Stock747,932$196.3M1.0%−12,123−1.6%ReducedHistory
Royal Caribbean Group780153BQ4NOTE 6.000% 8/1–$167.4M0.8%–––
UNHUnitedHealth Group IncStock303,514$154.6M0.8%−11,974−3.8%ReducedHistory
JPMJPMorgan Chase & CoStock751,836$152.1M0.7%−16,228−2.1%ReducedHistory
TSLATesla, Inc.Stock734,668$145.4M0.7%−17,523−2.3%ReducedHistory
XOMExxonMobil Holdings CorpCOM1,096,126$126.2M0.6%+291,465+36.2%AddedHistory
MAMastercard IncStock273,162$120.5M0.6%−5,553−2.0%ReducedHistory
Airbnb, Inc.009066AB7NOTE 3/1–$120.4M0.6%–––
Apollo Global Mgmt Inc03769M304SER A MAND CNV1,817,011$119.2M0.6%−920−0.1%Reduced–
BACBank of America CorpStock2,976,724$118.4M0.6%−68,566−2.3%ReducedHistory
WMTWalmart Inc.Stock1,729,454$117.1M0.6%−21,635−1.2%ReducedHistory
MRKMerck & Co., Inc.Stock934,413$115.7M0.6%−63,036−6.3%ReducedHistory
On Semiconductor Corp682189AU9NOTE 0.500% 3/0–$114.6M0.6%–––
NFLXNetflix IncStock168,532$113.7M0.6%+6,083+3.7%AddedHistory
Southern Co842587DP9NOTE 3.875%12/1–$112.1M0.5%–––
BRK.BBerkshire Hathaway IncStock271,035$110.3M0.5%−10,237−3.6%ReducedHistory
LINLinde PLCStock247,691$108.7M0.5%+8,929+3.7%AddedHistory
WFCWells Fargo & CompanyStock1,766,050$104.9M0.5%−50,435−2.8%ReducedHistory
ORCLOracle CorpStock737,465$104.1M0.5%−9,631−1.3%ReducedHistory
On Semiconductor Corp682189AS4NOTE 5/0–$100.6M0.5%–––
Sea Ltd81141RAG5NOTE 0.250% 9/1–$96.8M0.5%–––
Ford MTR Co Del345370CZ1NOTE 3/1–$96.0M0.5%–––
PPL Cap FDG Inc69352PAS2NOTE 2.875% 3/1–$95.3M0.5%–––
Rivian Automotive, Inc.76954AAB9NOTE 4.625% 3/1–$93.7M0.5%–––
PGProcter & Gamble CoStock563,999$93.0M0.5%−11,357−2.0%ReducedHistory
COSTCostco Wholesale CorpStock108,748$92.4M0.4%−2,162−1.9%ReducedHistory
Wayfair Inc.94419LAP6NOTE 3.250% 9/1–$92.3M0.4%–––
JNJJohnson & JohnsonStock619,649$90.6M0.4%−13,429−2.1%ReducedHistory
HDHome Depot, Inc.Stock258,551$89.0M0.4%−6,622−2.5%ReducedHistory
Wayfair Inc.94419LAR2NOTE 3.500%11/1–$88.0M0.4%–New–
HESHess CorpStock590,326$87.1M0.4%+15,684+2.7%AddedHistory
MongoDB, Inc.60937PAD8NOTE 0.250% 1/1–$86.4M0.4%–––
CMGChipotle Mexican Grill IncCOM1,327,021$83.1M0.4%+259,271+24.3%AddedConverted for a 50-for-1 splitHistory
Uber Technologies, Inc90353TAJ9NOTE 12/1–$81.4M0.4%–––
Spotify USA Inc84921RAB6NOTE 3/1–$80.9M0.4%–––
CRMSalesforce, Inc.Stock312,061$80.2M0.4%+10,818+3.6%AddedHistory
BSXBoston Scientific CorpStock1,031,912$79.5M0.4%−50,741−4.7%ReducedHistory
TMOThermo Fisher Scientific Inc.Stock140,670$77.8M0.4%−3,011−2.1%ReducedHistory
NOWServiceNow, Inc.Stock98,255$77.3M0.4%−12,011−10.9%ReducedHistory
ABBVAbbVie Inc.Stock449,504$77.1M0.4%−11,105−2.4%ReducedHistory
Sarepta Therapeutics, Inc.803607AD2NOTE 1.250% 9/1–$76.6M0.4%–––
DraftKings Inc.26142RAB0NOTE 3/1–$75.4M0.4%–––
CVXChevron CorpStock474,702$74.3M0.4%−45,685−8.8%ReducedHistory
Cyberark Software Ltd23248VAB1NOTE 11/1–$74.1M0.4%–––
AMDAdvanced Micro Devices IncStock455,153$73.8M0.4%−74,387−14.0%ReducedHistory
Halozyme Therapeutics, Inc.40637HAF6NOTE 1.000% 8/1–$70.6M0.3%–––
SHIFT4 PMTS Inc82452JAB5NOTE 12/1–$69.0M0.3%–––
Dexcom Inc252131AK3NOTE 0.250%11/1–$68.2M0.3%–––
Integer Hldgs Corp45826HAB5NOTE 2.125% 2/1–$68.0M0.3%–––
HONHoneywell International IncCOM317,220$67.7M0.3%−18,650−5.6%ReducedHistory
LOWLowes Companies IncStock302,155$66.6M0.3%−4,466−1.5%ReducedHistory
Digitalocean Hldgs Inc25402DAB8NOTE 12/0–$65.4M0.3%–––
MUMicron Technology IncStock493,701$64.9M0.3%−10,046−2.0%ReducedHistory
ADBEAdobe Inc.Stock116,141$64.5M0.3%−10,035−8.0%ReducedHistory
NCL Corp Ltd62886HBD2NOTE 1.125% 2/1–$63.5M0.3%–––
KOCoca Cola CoStock994,497$63.3M0.3%−21,216−2.1%ReducedHistory
Confluent, Inc.20717MAB9NOTE 1/1–$62.6M0.3%–––
Dexcom Inc252131AM9NOTE 0.375% 5/1–$62.5M0.3%–New–
UBERUber Technologies, IncStock859,679$62.5M0.3%+20,152+2.4%AddedHistory
Square Inc852234AF0NOTE 0.125% 3/0–$62.3M0.3%–––
GSGoldman Sachs Group IncStock137,570$62.2M0.3%−3,770−2.7%ReducedHistory
Unity Software Inc.91332UAB7NOTE 11/1–$62.1M0.3%–––
CSXCSX CorpStock1,851,468$61.9M0.3%−319,985−14.7%ReducedHistory
DISWalt Disney CoStock621,655$61.7M0.3%−11,891−1.9%ReducedHistory
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$61.5M0.3%–––
Akamai Technologies Inc00971TAJ0NOTE 0.125% 5/0–$61.4M0.3%–––
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$61.3M0.3%–––
TMUST-Mobile US, Inc.Stock343,908$60.6M0.3%−17,862−4.9%ReducedHistory
CBChubb LtdStock226,575$57.8M0.3%−3,616−1.6%ReducedHistory
CSCOCisco Systems, Inc.Stock1,212,764$57.6M0.3%−33,095−2.7%ReducedHistory
Post Hldgs Inc737446AT1NOTE 2.500% 8/1–$56.3M0.3%–––
MSMorgan StanleyStock574,569$55.8M0.3%−120,622−17.4%ReducedHistory
MRSHMarsh & McLennan Companies, Inc.Stock264,984$55.8M0.3%−18,261−6.4%ReducedHistory
ISRGIntuitive Surgical IncCOM NEW124,400$55.3M0.3%−3,156−2.5%ReducedHistory
PMPhilip Morris International Inc.Stock545,869$55.3M0.3%−11,617−2.1%ReducedHistory
DHRDanaher CorpStock221,069$55.2M0.3%−91,291−29.2%ReducedHistory
Cloudflare, Inc.18915MAC1NOTE 8/1–$54.8M0.3%–––
UNPUnion Pacific CorpStock240,608$54.4M0.3%+2,257+0.9%AddedHistory
CONMED Corp207410AH4NOTE 2.250% 6/1–$54.0M0.3%–––
AMATApplied Materials IncStock222,869$52.6M0.3%−5,992−2.6%ReducedHistory
Axon Enterprise, Inc.05464CAB7NOTE 0.500%12/1–$52.5M0.3%–––
GEGeneral Electric CoStock328,833$52.3M0.3%−7,079−2.1%ReducedHistory
RTXRTX CorpStock516,506$51.9M0.3%−11,828−2.2%ReducedHistory
Snap Inc83304AAF3NOTE 5/0–$50.9M0.2%–––
Alnylam Pharmaceuticals, Inc.02043QAB3NOTE 1.000% 9/1–$50.7M0.2%–––
INTUIntuit Inc.Stock77,211$50.7M0.2%−18,755−19.5%ReducedHistory
ADIAnalog Devices IncStock219,179$50.0M0.2%+15,548+7.6%AddedHistory
MCDMcDonalds CorpStock194,281$49.5M0.2%−4,255−2.1%ReducedHistory
Nextera Energy Inc65339F713UNIT 09/01/20251,182,860$49.1M0.2%−120,385−9.2%Reduced–
CMS Energy Corp125896BX7NOTE 3.375% 5/0–$48.8M0.2%–New–

Options (31)

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 Q2 2024
SecurityClassPutsCalls
SPYSPDR S&P 500 ETF TrustETF$422.2M$182.1M
Invesco QQQ Trust Series I46090E103ETF$532.3M$56.0M
NVDANVIDIA CorpStock$412.5M$903.6K
State Street Industrial Select Sector SPDR ETF81369Y704ETF$33.1M–
CDNSCadence Design Systems IncStock–$30.0M
AAPLApple Inc.Stock–$25.4M
MMYTMakeMyTrip LtdStock$12.6M$12.2M
AVGOBroadcom Inc.Stock–$15.4M
AALAmerican Airlines Group Inc.Stock–$14.6M
DHIHorton D R IncCOM–$13.4M
FCXFreeport-McMoran IncStock–$13.2M
BABoeing CoStock$12.5M–
ICLRIcon PLCCOM–$11.8M
BSXBoston Scientific CorpStock–$10.9M
CNQCanadian Natural Resources LtdCOM–$9.85M
EOGEOG Resources IncStock–$9.47M
FTITechnipFMC plcCOM–$9.33M
INTCIntel CorpStock$9.32M–
AMZNAmazon Com IncStock–$8.66M
NKENIKE, Inc.Stock–$8.65M
QCOMQualcomm IncStock–$7.96M
TSMTaiwan Semiconductor Manufacturing Co LtdADR–$7.58M
MSFTMicrosoft CorpStock$7.57M–
iShares Russell 2000 ETF464287655ETF$2.52M$2.52M
DASHDoorDash, Inc.Stock–$4.27M
TMETencent Music Entertainment GroupSPON ADS–$4.01M
TCOMTrip.com Group LtdADS–$3.22M
RTXRTX CorpStock$2.93M–
GOOGLAlphabet Inc.Stock$452.8K–
Direxion Shares ETF Trust25459Y207NASDAQ 100 EQ WT–$321.1K
ProShares Tr74347X831ULTRAPRO QQQ$221.6K–

Sold out since Q1 2024 (97)

Positions held at the end of Q1 2024 that are gone from this filing.

Positions of Calamos Advisors LLC sold out since Q1 2024
SecurityClassShares in Q1 2024Value in Q1 2024% of portfolio in Q1 2024History
Pioneer Nat Res Co723787AP2NOTE 0.250% 5/1–$237.8M1.2%–
PXDPioneer Natural Resources CoCOM361,177$94.8M0.5%History
Blackline, Inc.09239BAD1NOTE 3/1–$53.0M0.3%–
Enerplus Corp292766102COM1,670,000$32.8M0.2%–
Peloton Interactive, Inc.70614WAB6NOTE 2/1–$31.7M0.2%–
Pinduoduo Inc722304AB8NOTE 10/0–$18.5M0.1%–
Ceridian HCM Hldg Inc15677JAD0NOTE 0.250% 3/1–$18.4M0.1%–
Bilibili Inc.090040AB2NOTE 1.375% 4/0–$12.0M0.1%–
AALAmerican Airlines Group Inc.Stock777,000$11.9M0.1%History
Yy Inc98426TAF3NOTE 1.375% 6/1–$9.86M<0.1%–
Ascendis Pharma A/S04351PAD3NOTE 2.250% 4/0–$9.83M<0.1%–
NIO Inc.62914VAF3NOTE 0.500% 2/0–$9.30M<0.1%–
Model N, Inc.607525AD4NOTE 1.875% 3/1–$6.75M<0.1%–
Microchip Technology Inc595017AF1NOTE 1.625% 2/1–$6.34M<0.1%–
TRTLTortoiseEcofin Acquisition Corp. IIISHS CL A500,000$5.38M<0.1%History
CLVT 0 PfdG21810208Convertible Preferred Equity178,572$5.31M<0.1%–
Ironwood Pharmaceuticals Inc46333XAF5NOTE 0.750% 6/1–$4.96M<0.1%–
TGLSTecnoglass Holdings Inc.ORD SHS65,679$3.42M<0.1%History
MNDYmonday.com Ltd.SHS14,024$3.17M<0.1%History
Revance Therapeutics, Inc.761330AB5NOTE 1.750% 2/1–$2.95M<0.1%–
Bandwidth Inc.05988JAB9NOTE 0.250% 3/0–$2.65M<0.1%–
INFAInformatica Inc.COM CL A73,946$2.59M<0.1%History
VTEXVtexSHS CL A251,727$2.06M<0.1%History
EXLSExlService Holdings, Inc.COM63,959$2.03M<0.1%History
SAIASaia IncCOM3,081$1.80M<0.1%History
KRUSKura Sushi USA, Inc.CL A COM15,629$1.80M<0.1%History
MDXGMimedx Group, Inc.COM216,064$1.66M<0.1%History
GWREGuidewire Software, Inc.COM12,256$1.43M<0.1%History
KNSLKinsale Capital Group, Inc.Stock2,574$1.35M<0.1%History
ATKRAtkore Inc.COM6,898$1.31M<0.1%History
ZSZscaler, Inc.Stock6,758$1.30M<0.1%History
ATECAlphatec Holdings, Inc.COM NEW94,312$1.30M<0.1%History
ESABESAB CorpCOM10,559$1.17M<0.1%History
DVDoubleVerify Holdings, Inc.COM31,480$1.11M<0.1%History
GFFGriffon CorpCOM13,858$1.02M<0.1%History
DUOLDuolingo, Inc.CL A COM4,163$918.3K<0.1%History
FROGJFrog LtdStock19,982$883.6K<0.1%History
HCPHashiCorp, Inc.COM CL A29,105$784.4K<0.1%History
ESTCElastic N.V.ORD SHS7,779$779.8K<0.1%History
MicroStrategy Inc594972AC5NOTE 0.750%12/1–$714.0K<0.1%–
DOXAmdocs LtdSHS7,179$648.8K<0.1%History
VTSIVirTra, IncCOM PAR62,862$646.2K<0.1%History
EPAMEPAM Systems, Inc.COM2,308$637.4K<0.1%History
MSTRStrategy IncStock364$620.5K<0.1%History
NETCloudflare, Inc.CL A COM5,437$526.5K<0.1%History
FIVEFive Below, IncCOM2,872$520.9K<0.1%History
EXEExpand Energy CorpCOM5,626$499.8K<0.1%History
SITESiteOne Landscape Supply, Inc.COM2,786$486.3K<0.1%History
PBPBPotbelly CorpCOM31,915$386.5K<0.1%History
iShares Tr464288687PFD AND INCM SEC11,975$386.0K<0.1%–
BBIOBridgeBio Pharma, Inc.COM12,222$377.9K<0.1%History
LECOLincoln Electric Holdings IncCOM1,471$375.8K<0.1%History
SYMSymbotic Inc.Stock8,104$364.7K<0.1%History
Metals Acquisition CorpG60409102*W EXP 06/15/202166,666$353.3K<0.1%–
AITApplied Industrial Technologies IncCOM1,751$345.9K<0.1%History
EMOClearBridge Energy Midstream Opportunity Fund Inc.COM8,371$339.9K<0.1%History
NFJVirtus Dividend, Interest & Premium Strategy FundCOM24,624$314.7K<0.1%History
TMToyota Motor CorpADS1,197$301.3K<0.1%History
BRZEBraze, Inc.Stock6,768$299.8K<0.1%History
NMZNuveen Municipal High Income Opportunity FundCOM26,868$283.7K<0.1%History
CRWDCrowdStrike Holdings, Inc.Stock830$266.1K<0.1%History
IGDVoya GLOBAL EQUITY DIVIDEND & PREMIUM OPPORTUNITY FUNDCOM45,871$243.1K<0.1%History
PMLPIMCO Municipal Income Fund IICOM26,677$226.8K<0.1%History
IRMDIradimed CorpCOM5,073$223.2K<0.1%History
Cytokinetics Inc23282WAC4NOTE 3.500% 7/0–$216.1K<0.1%–
MPMP Materials Corp.COM CL A15,000$214.5K<0.1%History
Andretti Acquisition CorpG26735129*W EXP 99/99/999500,000$205.0K<0.1%–
TELATELA Bio, Inc.COM33,776$191.5K<0.1%History
NRG Energy, Inc.629377CG5DBCV 2.750% 6/0–$170.6K<0.1%–
BGRBlackRock Energy & Resources TrustCOM12,845$170.2K<0.1%History
USALiberty All Star Equity FundSH BEN INT23,589$168.7K<0.1%History
DHYUBS Asset Management High Yield Credit FundSH BEN INT80,933$163.5K<0.1%History
Tesla, Inc.88160RAG6NOTE 2.000% 5/1–$144.8K<0.1%–
GLAUKOS Corp377322AB8NOTE 2.750% 6/1–$132.4K<0.1%–
Keyarch Acquisition CorpG5260A120RIGHT 01/24/2027500,000$125.0K<0.1%–
Aeon Biopharma I00791X118EQUITY WRT83,333$120.8K<0.1%–
CLPTClearPoint Neuro, Inc.COM16,586$112.8K<0.1%History
LAMF Global Ventures Corp. IG5338L124*W EXP 11/05/202750,000$75.0K<0.1%–
ZURAZura Bio LtdCLASS A ORD SHS200,000$54.0K<0.1%History
American Oncology Network IN028719110*W EXP 09/20/202156,250$53.1K<0.1%–
Aetherium Acquisition Corp00809J119*W EXP 12/21/202500,000$29.9K<0.1%–
Generation Asia I AcquisitioG38258128*W EXP 99/99/999250,000$20.6K<0.1%–
Twelve Seas Investment Co. II90118T114*W EXP 03/02/202179,109$16.8K<0.1%–
Keyarch Acquisition CorpG5260A112*W EXP 01/24/202250,000$12.9K<0.1%–
10X Capital Venture Acq IIIG87077114*W EXP 06/30/202312,972$11.7K<0.1%–
Pegasus Digital Mobility AcqG69768110*W EXP 99/99/999459,150$11.4K<0.1%–
Osiris Acquisition Corp.68829A111*W EXP 05/01/202375,000$11.2K<0.1%–
Future Health ESG Corp.36118W110*W EXP 99/99/999200,000$11.0K<0.1%–
Stonebridge Acquisition CorpG85094129*W EXP 03/31/202250,000$10.8K<0.1%–
Arrowroot Acquisition Corp04282M110*W EXP 03/02/20250,000$9.99K<0.1%–
Kismet Acquisition Two CorpG52807115*W EXP 06/30/202166,666$7.92K<0.1%–
Springwater SPL Situations C85205U115WARRANT300,286$7.51K<0.1%–
AERWINS Technologies Inc.00810J116*W EXP 02/03/202285,000$3.45K<0.1%–
RMG Acquisition Corp IIIG76088122*W EXP 02/08/20240,000$2.80K<0.1%–
SHAZWSharonAI Holdings Inc.*W EXP 10/20/202150,000$2.12K<0.1%History
Ap Acquisition CorpG04058114*W EXP 12/07/20250,000$2.00K<0.1%–
Next E Go N VN63018118ORD SHS26,250$840<0.1%–