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Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

Holdings in Q4 2024

Holdings as of Dec 31, 2024, filed Jan 24, 2025. Long positions only; changes compare share counts with Q3 2024.

Institution overview
Positions
865
−37 vs. Q3 2024
Portfolio value
$21.7B
+$365.6M (+1.7%) vs. Q3 2024
Filed
Jan 24, 2025
SEC
Holdings of Calamos Advisors LLC in Q4 2024
SecurityClassSharesValue% of portfolioShare changeActionHistory
AAPLApple Inc.Stock4,310,272$1.08B5.0%+4,907+0.1%AddedHistory
NVDANVIDIA CorpStock7,681,939$1.03B4.8%−155,267−2.0%ReducedHistory
MSFTMicrosoft CorpStock2,317,841$977.0M4.5%−39,806−1.7%ReducedHistory
AMZNAmazon Com IncStock3,268,873$717.2M3.3%+11,994+0.4%AddedHistory
GOOGLAlphabet Inc.Stock2,572,987$487.1M2.2%+34,169+1.3%AddedHistory
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$401.3M1.9%–––
METAMeta Platforms, Inc.Stock684,396$400.7M1.8%+8,766+1.3%AddedHistory
AVGOBroadcom Inc.Stock1,444,950$335.0M1.5%+36,873+2.6%AddedHistory
TSLATesla, Inc.Stock766,401$309.5M1.4%+42,238+5.8%AddedHistory
BA.PABoeing CoDEP CONV PFD A4,242,616$258.3M1.2%+4,242,616NewHistory
LLYEli Lilly & CoStock291,976$225.4M1.0%+3,433+1.2%AddedHistory
VVisa Inc.Stock681,967$215.5M1.0%+4,894+0.7%AddedHistory
GOOGAlphabet Inc.Stock1,079,310$205.5M0.9%−80,300−6.9%ReducedHistory
JPMJPMorgan Chase & CoStock766,894$183.8M0.8%+24,947+3.4%AddedHistory
UNHUnitedHealth Group IncStock335,374$169.7M0.8%+26,481+8.6%AddedHistory
NFLXNetflix IncStock175,591$156.5M0.7%+166+0.1%AddedHistory
WMTWalmart Inc.Stock1,722,893$155.7M0.7%−31,984−1.8%ReducedHistory
Apollo Global Mgmt Inc03769M304SER A MAND CNV1,728,128$150.2M0.7%−10,940−0.6%Reduced–
Spotify USA Inc84921RAB6NOTE 3/1–$145.8M0.7%–––
MAMastercard IncStock270,516$142.4M0.7%+440+0.2%AddedHistory
Southern Co842587DP9NOTE 3.875%12/1–$133.5M0.6%–––
Airbnb, Inc.009066AB7NOTE 3/1–$129.8M0.6%–––
XOMExxonMobil Holdings CorpCOM1,142,718$122.9M0.6%−1,140−0.1%ReducedHistory
WFCWells Fargo & CompanyStock1,742,358$122.4M0.6%−60,345−3.3%ReducedHistory
BRK.BBerkshire Hathaway IncStock264,545$119.9M0.6%00.0%UnchangedHistory
BACBank of America CorpStock2,706,499$119.0M0.5%−204,999−7.0%ReducedHistory
ORCLOracle CorpStock700,864$116.8M0.5%−66,623−8.7%ReducedHistory
Axon Enterprise, Inc.05464CAB7NOTE 0.500%12/1–$112.1M0.5%–––
On Semiconductor Corp682189AU9NOTE 0.500% 3/0–$111.5M0.5%–––
Uber Technologies, Inc90353TAM2NOTE 0.875%12/0–$110.7M0.5%–New–
ARES.PBAres Management Corp6.75 SE B PFD1,970,915$108.5M0.5%+1,970,915NewHistory
HPE.PCHewlett Packard Enterprise Co7.625 MAND CONV1,689,185$105.9M0.5%+769,084+83.6%AddedHistory
NOWServiceNow, Inc.Stock99,093$105.1M0.5%−9,519−8.8%ReducedHistory
PPL Cap FDG Inc69352PAS2NOTE 2.875% 3/1–$103.4M0.5%–––
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$102.4M0.5%–––
Sea Ltd81141RAG5NOTE 0.250% 9/1–$100.9M0.5%–––
HDHome Depot, Inc.Stock254,864$99.1M0.5%+382+0.2%AddedHistory
CRMSalesforce, Inc.Stock296,348$99.1M0.5%+50,522+20.6%AddedHistory
COSTCostco Wholesale CorpStock107,588$98.6M0.5%−159−0.1%ReducedHistory
Rivian Automotive, Inc.76954AAB9NOTE 4.625% 3/1–$98.4M0.5%–––
LINLinde PLCStock232,820$97.5M0.4%−240−0.1%ReducedHistory
Western Digital Corp958102AT2NOTE 3.000%11/1–$95.4M0.4%–New–
Wayfair Inc.94419LAR2NOTE 3.500%11/1–$91.9M0.4%–––
BSXBoston Scientific CorpStock1,027,057$91.7M0.4%+4,509+0.4%AddedHistory
PGProcter & Gamble CoStock538,830$90.3M0.4%+1,044+0.2%AddedHistory
GSGoldman Sachs Group IncStock151,897$87.0M0.4%+7,428+5.1%AddedHistory
MRKMerck & Co., Inc.Stock852,847$84.8M0.4%−100,857−10.6%ReducedHistory
Duke Energy CORP26441CBY0NOTE 4.125% 4/1–$82.1M0.4%–––
JNJJohnson & JohnsonStock564,754$81.7M0.4%+2,888+0.5%AddedHistory
SHIFT4 PMTS Inc82452JAB5NOTE 12/1–$78.9M0.4%–––
ABBVAbbVie Inc.Stock443,291$78.8M0.4%+517+0.1%AddedHistory
DraftKings Inc.26142RAB0NOTE 3/1–$77.4M0.4%–––
TMOThermo Fisher Scientific Inc.Stock145,800$75.8M0.3%+3,458+2.4%AddedHistory
LOWLowes Companies IncStock302,892$74.8M0.3%+1110.0%AddedHistory
HESHess CorpStock547,395$72.8M0.3%−86,810−13.7%ReducedHistory
Akamai Technologies Inc00971TAN1NOTE 1.125% 2/1–$72.6M0.3%–––
NCL Corp Ltd62886HBD2NOTE 1.125% 2/1–$70.8M0.3%–––
Seagate HDD Cayman81180WBL4NOTE 3.500% 6/0–$70.4M0.3%–––
Digitalocean Hldgs Inc25402DAB8NOTE 12/0–$68.8M0.3%–––
DISWalt Disney CoStock615,841$68.6M0.3%+1,122+0.2%AddedHistory
TMUST-Mobile US, Inc.Stock310,134$68.5M0.3%−9,003−2.8%ReducedHistory
CSCOCisco Systems, Inc.Stock1,148,194$68.0M0.3%+4590.0%AddedHistory
CVXChevron CorpStock465,427$67.4M0.3%+370+0.1%AddedHistory
CMGChipotle Mexican Grill IncCOM1,085,860$65.5M0.3%−173,341−13.8%ReducedHistory
Sarepta Therapeutics, Inc.803607AD2NOTE 1.250% 9/1–$65.3M0.3%–––
Confluent, Inc.20717MAB9NOTE 1/1–$65.1M0.3%–––
MSMorgan StanleyStock515,257$64.8M0.3%−33,211−6.1%ReducedHistory
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$63.3M0.3%–––
CBChubb LtdStock225,510$62.3M0.3%+536+0.2%AddedHistory
KOCoca Cola CoStock984,877$61.3M0.3%+1,822+0.2%AddedHistory
PMPhilip Morris International Inc.Stock509,330$61.3M0.3%−99,699−16.4%ReducedHistory
AXPAmerican Express CoStock201,156$59.7M0.3%−6,340−3.1%ReducedHistory
Square Inc852234AF0NOTE 0.125% 3/0–$59.5M0.3%–––
RTXRTX CorpStock511,130$59.1M0.3%+1,013+0.2%AddedHistory
Invesco Exch Traded FD Tr II46138G508SR LN ETF2,790,454$58.8M0.3%+1,563,430+127.4%Added–
ISRGIntuitive Surgical IncCOM NEW112,220$58.6M0.3%−3,252−2.8%ReducedHistory
Cloudflare, Inc.18915MAC1NOTE 8/1–$57.7M0.3%–––
Lumentum Hldgs Inc55024UAH2NOTE 1.500%12/1–$57.6M0.3%–––
EMREmerson Electric CoStock463,486$57.4M0.3%−131,904−22.2%ReducedHistory
Stride, Inc.86333MAA6NOTE 1.125% 9/0–$57.3M0.3%–––
Dexcom Inc252131AM9NOTE 0.375% 5/1–$56.6M0.3%–––
MRSHMarsh & McLennan Companies, Inc.Stock264,192$56.1M0.3%+1,034+0.4%AddedHistory
MCDMcDonalds CorpStock192,175$55.7M0.3%+330+0.2%AddedHistory
Lumentum Hldgs Inc55024UAD1NOTE 0.500%12/1–$55.6M0.3%–––
WMWaste Management IncStock275,749$55.6M0.3%+114,236+70.7%AddedHistory
CONMED Corp207410AH4NOTE 2.250% 6/1–$55.6M0.3%–––
American WTR Cap Corp03040WBE4NOTE 3.625% 6/1–$55.4M0.3%–––
Ssga Active ETF Tr78467V608ST STR BL LN ETF1,312,055$54.8M0.3%+812,805+162.8%Added–
Integer Hldgs Corp45826HAB5NOTE 2.125% 2/1–$54.3M0.3%–––
Liberty Media Corp531229AQ5NOTE 2.250% 8/1–$54.3M0.3%–––
AMDAdvanced Micro Devices IncStock448,323$54.2M0.2%+592+0.1%AddedHistory
Insulet Corp45784PAK7NOTE 0.375% 9/0–$52.9M0.2%–––
Royal Caribbean Group780153BQ4NOTE 6.000% 8/1–$52.9M0.2%–––
Snap Inc83304AAF3NOTE 5/0–$52.9M0.2%–––
GEGeneral Electric CoStock316,762$52.8M0.2%−49,476−13.5%ReducedHistory
UBERUber Technologies, IncStock872,471$52.6M0.2%+41,707+5.0%AddedHistory
JNPRJuniper Networks IncCOM1,387,382$52.0M0.2%+232,181+20.1%AddedHistory
CMS Energy Corp125896BX7NOTE 3.375% 5/0–$51.9M0.2%–––
CATCaterpillar IncStock141,634$51.4M0.2%00.0%UnchangedHistory
CSXCSX CorpStock1,573,189$50.8M0.2%−213,772−12.0%ReducedHistory

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 Q4 2024
SecurityClassPutsCalls
SPYSPDR S&P 500 ETF TrustETF$656.8M$445.3M
Invesco QQQ Trust Series I46090E103ETF$529.6M$100.9M
iShares Russell 2000 ETF464287655ETF$85.2M$85.2M
iShares MSCI Eafe ETF464287465ETF–$52.1M
iShares Tr464287630RUS 2000 VAL ETF–$46.8M
Cyberark Software LtdM2682V108SHS–$22.7M
TSLATesla, Inc.Stock–$19.6M
VVisa Inc.Stock–$18.0M
MSFTMicrosoft CorpStock$15.7M$258.2K
AVGOBroadcom Inc.Stock–$15.1M
IHSIHS Holding LtdORD SHS$14.7M–
BSXBoston Scientific CorpStock–$13.7M
AALAmerican Airlines Group Inc.Stock–$10.7M
EOGEOG Resources IncStock–$8.72M
GOOGLAlphabet Inc.Stock$2.32M$6.39M
NVDANVIDIA CorpStock$8.34M$242.9K
WTFCWintrust Financial CorpCOM–$8.42M
PINSPinterest, Inc.CL A$8.03M–
UBERUber Technologies, IncStock$7.89M–
EXELExelixis, Inc.COM–$7.76M
FNFabrinetSHS$7.09M–
CPRICapri Holdings LtdSHS$6.79M–
SESea LtdSPONSORD ADS–$5.26M
AMZNAmazon Com IncStock–$4.94M
YUMCYum China Holdings, Inc.COM–$4.52M
FTITechnipFMC plcCOM–$4.24M
WIXWix.com Ltd.SHS–$3.73M
GLBEGlobal-E Online Ltd.SHS–$2.59M
GRABGrab Holdings LtdCLASS A ORD–$2.17M
Direxion Shares ETF Trust25459Y207NASDAQ 100 EQ WT–$613.4K
AAPLApple Inc.Stock–$279.6K

Sold out since Q3 2024 (135)

Positions held at the end of Q3 2024 that are gone from this filing.

The largest 100 of 135 by value last quarter.

Positions of Calamos Advisors LLC sold out since Q3 2024
SecurityClassShares in Q3 2024Value in Q3 2024% of portfolio in Q3 2024History
MongoDB, Inc.60937PAD8NOTE 0.250% 1/1–$90.4M0.4%–
Cyberark Software Ltd23248VAB1NOTE 11/1–$65.6M0.3%–
DISH Network CORP25470MAF6NOTE 12/1–$45.8M0.2%–
Dexcom Inc252131AK3NOTE 0.250%11/1–$45.7M0.2%–
SWNSouthwestern Energy CoCOM6,284,615$44.7M0.2%History
Perficient Inc71375UAF8NOTE 0.125%11/1–$42.9M0.2%–
Bill.com Holdings090043AD2CONV BOND–$39.1M0.2%–
Envestnet, Inc.29404KAE6NOTE 0.750% 8/1–$36.4M0.2%–
NTRANatera, Inc.CONV BD US–$33.3M0.2%History
Chart Inds Inc16115QAE0NOTE 1.000%11/1–$31.5M0.1%–
Affirm Hldgs Inc00827BAB2NOTE 11/1–$30.3M0.1%–
Zillow Group, Inc.98954MAG6NOTE 1.375% 9/0–$22.1M0.1%–
Omnicell Com68213NAD1NOTE 0.250% 9/1–$21.6M0.1%–
Wix.com Ltd.92940WAD1NOTE 8/1–$18.4M0.1%–
Sea Ltd81141RAD2NOTE 1.000%12/0–$18.1M0.1%–
RENEFCartesian Growth Corp IICLASS A ORD1,500,000$17.2M0.1%History
Chegg, Inc163092AF6NOTE 9/0–$15.4M0.1%–
Everest Consolidator Acq Cor29978K102CL A COM1,250,000$14.2M0.1%–
Bill Com Hldgs Inc090043AB6NOTE 12/0–$13.3M0.1%–
Okta, Inc.679295AF2NOTE 0.375% 6/1–$10.9M0.1%–
AIGAmerican International Group, Inc.Stock146,322$10.7M0.1%History
Envestnet, Inc.29404KAG1NOTE 2.625%12/0–$10.6M<0.1%–
Marathon Digital Holdings IN565788AB2NOTE 1.000%12/0–$8.88M<0.1%–
QRVOQorvo, Inc.Stock84,834$8.76M<0.1%History
LCWLearn CW Investment CorpCL A ORD SHS825,000$8.23M<0.1%History
TGNATegna IncCOM500,000$7.89M<0.1%History
KLACKLA CorpCOM NEW9,834$7.62M<0.1%History
Ironwood Pharmaceuticals Inc46333XAH1NOTE 1.500% 6/1–$7.08M<0.1%–
NUNu Holdings Ltd.ORD SHS CL A496,335$6.77M<0.1%History
TWLOTwilio IncCL A96,671$6.30M<0.1%History
RBC Bearings INC75524B2035% CNV PFD SR A47,143$6.25M<0.1%–
Sea Ltd81141RAF7NOTE 2.375%12/0–$6.07M<0.1%–
CMSCMS Energy CorpCOM82,730$5.84M<0.1%History
ADTADT Inc.COM807,175$5.84M<0.1%History
Groupon, Inc.399473AF4NOTE 1.125% 3/1–$5.81M<0.1%–
Generation Asia I AcquisitioG38258102CL A ORD SHS500,000$5.60M<0.1%–
Cree Inc225447AD3NOTE 1.750% 5/0–$5.36M<0.1%–
Coherus Biosciences Inc19249HAB9NOTE 1.500% 4/1–$4.57M<0.1%–
PROS Holdings, Inc.74346YAG8NOTE 2.250% 9/1–$4.50M<0.1%–
VRNSVaronis Systems IncCOM64,700$3.66M<0.1%History
ENTGEntegris IncCOM27,500$3.09M<0.1%History
Cheesecake Factory Inc163072AA9NOTE 0.375% 6/1–$2.86M<0.1%–
RXSTRxSight, Inc.COM53,932$2.67M<0.1%History
BLBDBlue Bird CorpCOM55,239$2.65M<0.1%History
WINGWingstop Inc.COM6,150$2.56M<0.1%History
MOG.AMoog Inc.CL A12,110$2.45M<0.1%History
CDMOAvid Bioservices, Inc.COM207,429$2.36M<0.1%History
TMDXTransMedics Group, Inc.COM14,155$2.22M<0.1%History
EXPEagle Materials IncCOM7,582$2.18M<0.1%History
Microchip Technology Inc595017AU8NOTE 0.125%11/1–$2.06M<0.1%–
ACMRACM Research, Inc.Stock92,630$1.88M<0.1%History
HALOHalozyme Therapeutics, Inc.COM32,349$1.85M<0.1%History
BOOTBoot Barn Holdings, Inc.COM10,162$1.70M<0.1%History
VKTXViking Therapeutics, Inc.COM25,380$1.61M<0.1%History
FNFabrinetSHS6,300$1.49M<0.1%History
INFYInfosys LtdSPONSORED ADR66,303$1.48M<0.1%History
MNDYmonday.com Ltd.SHS3,819$1.06M<0.1%History
UTIUniversal Technical Institute IncCOM57,504$935.0K<0.1%History
BLDQXO Insulation, LLCStock2,241$911.7K<0.1%History
IRBTiRobot CorpCOM100,000$869.0K<0.1%History
BCEBce IncCOM NEW24,315$846.2K<0.1%History
TRNSTranscat IncCOM6,641$802.0K<0.1%History
WMSAdvanced Drainage Systems, Inc.COM4,684$736.1K<0.1%History
MUSAMurphy USA Inc.COM1,457$718.1K<0.1%History
PEverpure, Inc.CL A11,562$580.9K<0.1%History
APPFAppfolio IncCOM CL A2,463$579.8K<0.1%History
ONTOOnto Innovation Inc.COM2,651$550.2K<0.1%History
PSNParsons CorpCOM4,564$473.2K<0.1%History
EVEREverQuote, Inc.COM CL A22,098$466.0K<0.1%History
RIVRivernorth Opportunities Fund, Inc.COM35,317$456.3K<0.1%History
APLTApplied Therapeutics, Inc.COM52,737$448.3K<0.1%History
PALProficient Auto Logistics, IncCOM30,874$437.8K<0.1%History
ASGIabrdn Global Infrastructure Income FundCOM SHS BEN INT20,839$421.2K<0.1%History
IIFMorgan Stanley India Investment Fund, Inc.COM13,557$407.8K<0.1%History
Rigel Resource Acq CorpG7573M114*W EXP 99/99/9991,000,000$350.0K<0.1%–
Wayfair Inc.94419LAM3NOTE 0.625%10/0–$304.5K<0.1%–
VITLVital Farms, Inc.COM8,635$302.8K<0.1%History
MPWRMonolithic Power Systems, Inc.COM317$293.1K<0.1%History
ANFAbercrombie & Fitch CoCL A2,028$283.7K<0.1%History
FLYYSpirit Aviation Holdings, Inc.COM110,100$264.2K<0.1%History
CCSCentury Communities, Inc.COM2,379$245.0K<0.1%History
NTGTortoise Midstream Energy Fund, Inc.COM4,973$236.4K<0.1%History
JPCNuveen Preferred & Income Opportunities FundCOM29,024$234.2K<0.1%History
BMEBlackRock Health Sciences TrustCOM5,188$217.5K<0.1%History
Burtech Acquisition Corp123013112*W EXP 12/18/2021,000,000$202.5K<0.1%–
EFTEaton Vance Floating-Rate Income TrustCOM11,714$150.9K<0.1%History
ACPabrdn Income Credit Strategies FundCOM22,422$148.4K<0.1%History
SIBNSI-BONE, Inc.COM10,115$141.4K<0.1%History
ARLOArlo Technologies, Inc.COM11,000$133.2K<0.1%History
Macom Tech Solutions Hldgs I55405YAB6NOTE 0.250% 3/1–$99.0K<0.1%–
ExcelFin Acquisition Corp.30069X110*W EXP 10/25/202500,000$74.6K<0.1%–
ARQArq, Inc.COM11,254$66.1K<0.1%History
Peabody Engr Corp704551AD2NOTE 3.250% 3/0–$52.6K<0.1%–
LYGLloyds Banking Group plcSPONSORED ADR15,242$47.6K<0.1%History
SDCL EDGE Acquisition CorpG79471127*W EXP 99/99/999400,000$40.0K<0.1%–
APx Acquisition Corp. IG0440J125*W EXP 11/30/202500,000$34.8K<0.1%–
RCF Acquisition CorpG7330C110*W EXP 99/99/999686,522$34.5K<0.1%–
Target Global Acquisi I CorpG8675N125*W EXP 12/08/202333,333$25.0K<0.1%–
Eve Mobility Acquisition CorG3218G117*W EXP 12/31/202500,000$22.3K<0.1%–
Atlantic Coastal Aqstn Corp04845A116*W EXP 01/13/202625,000$21.4K<0.1%–