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Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

Holdings in Q1 2025

Holdings as of Mar 31, 2025, filed Apr 29, 2025. Long positions only; changes compare share counts with Q4 2024.

Institution overview
Positions
861
−4 vs. Q4 2024
Portfolio value
$21.2B
−$527.8M (−2.4%) vs. Q4 2024
Filed
Apr 29, 2025
SEC
Holdings of Calamos Advisors LLC in Q1 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
AAPLApple Inc.Stock4,267,608$948.0M4.5%−42,664−1.0%ReducedHistory
MSFTMicrosoft CorpStock2,301,583$864.0M4.1%−16,258−0.7%ReducedHistory
NVDANVIDIA CorpStock7,561,156$819.5M3.9%−120,783−1.6%ReducedHistory
AMZNAmazon Com IncStock3,282,694$624.6M3.0%+13,821+0.4%AddedHistory
SPYSPDR S&P 500 ETF TrustETF707,629$395.8M1.9%+696,080+6,027.2%AddedHistory
METAMeta Platforms, Inc.Stock683,836$394.1M1.9%−560−0.1%ReducedHistory
GOOGLAlphabet Inc.Stock2,524,685$390.4M1.8%−48,302−1.9%ReducedHistory
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$377.8M1.8%–––
VVisa Inc.Stock713,318$250.0M1.2%+31,351+4.6%AddedHistory
AVGOBroadcom Inc.Stock1,428,072$239.1M1.1%−16,878−1.2%ReducedHistory
BA.PABoeing CoDEP CONV PFD A3,995,030$239.0M1.1%−247,586−5.8%ReducedHistory
LLYEli Lilly & CoStock273,106$225.6M1.1%−18,870−6.5%ReducedHistory
TSLATesla, Inc.Stock799,493$207.2M1.0%+33,092+4.3%AddedHistory
JPMJPMorgan Chase & CoStock751,786$184.4M0.9%−15,108−2.0%ReducedHistory
NFLXNetflix IncStock176,558$164.6M0.8%+967+0.6%AddedHistory
UNHUnitedHealth Group IncStock304,924$159.7M0.8%−30,450−9.1%ReducedHistory
WMTWalmart Inc.Stock1,761,745$154.7M0.7%+38,852+2.3%AddedHistory
BRK.BBerkshire Hathaway IncStock288,887$153.9M0.7%+24,342+9.2%AddedHistory
GOOGAlphabet Inc.Stock961,458$150.2M0.7%−117,852−10.9%ReducedHistory
MAMastercard IncStock272,729$149.5M0.7%+2,213+0.8%AddedHistory
Spotify USA Inc84921RAB6NOTE 3/1–$149.0M0.7%–––
XOMExxonMobil Holdings CorpCOM1,240,414$147.5M0.7%+97,696+8.5%AddedHistory
Southern Co842587DP9NOTE 3.875%12/1–$143.5M0.7%–––
WFCWells Fargo & CompanyStock1,857,007$133.3M0.6%+114,649+6.6%AddedHistory
PPL Cap FDG Inc69352PAS2NOTE 2.875% 3/1–$122.4M0.6%–––
Airbnb, Inc.009066AB7NOTE 3/1–$119.8M0.6%–––
Uber Technologies, Inc90353TAM2NOTE 0.875%12/0–$116.0M0.5%–––
Apollo Global Mgmt Inc03769M304SER A MAND CNV1,515,928$110.8M0.5%−212,200−12.3%Reduced–
BACBank of America CorpStock2,643,156$110.3M0.5%−63,343−2.3%ReducedHistory
LINLinde PLCStock235,252$109.5M0.5%+2,432+1.0%AddedHistory
ABBVAbbVie Inc.Stock501,761$105.1M0.5%+58,470+13.2%AddedHistory
Sea Ltd81141RAG5NOTE 0.250% 9/1–$104.0M0.5%–––
COSTCostco Wholesale CorpStock105,287$99.6M0.5%−2,301−2.1%ReducedHistory
ORCLOracle CorpStock711,290$99.4M0.5%+10,426+1.5%AddedHistory
On Semiconductor Corp682189AU9NOTE 0.500% 3/0–$98.7M0.5%–––
Strategy Inc594972AJ0NOTE 0.625% 3/1–$98.2M0.5%–New–
BSXBoston Scientific CorpStock969,968$97.9M0.5%−57,089−5.6%ReducedHistory
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$95.3M0.5%–––
JNJJohnson & JohnsonStock570,448$94.6M0.4%+5,694+1.0%AddedHistory
HDHome Depot, Inc.Stock257,306$94.3M0.4%+2,442+1.0%AddedHistory
Axon Enterprise, Inc.05464CAB7NOTE 0.500%12/1–$92.7M0.4%–––
PGProcter & Gamble CoStock543,504$92.6M0.4%+4,674+0.9%AddedHistory
Western Digital Corp958102AT2NOTE 3.000%11/1–$92.4M0.4%–––
PMPhilip Morris International Inc.Stock575,193$91.3M0.4%+65,863+12.9%AddedHistory
Rivian Automotive, Inc.76954AAB9NOTE 4.625% 3/1–$91.2M0.4%–––
NOWServiceNow, Inc.Stock113,970$90.7M0.4%+14,877+15.0%AddedHistory
DraftKings Inc.26142RAB0NOTE 3/1–$89.1M0.4%–––
CRMSalesforce, Inc.Stock329,528$88.4M0.4%+33,180+11.2%AddedHistory
ARES.PBAres Management Corp6.75 SE B PFD1,828,855$88.2M0.4%−142,060−7.2%ReducedHistory
Duke Energy CORP26441CBY0NOTE 4.125% 4/1–$87.9M0.4%–––
HESHess CorpStock549,566$87.8M0.4%+2,171+0.4%AddedHistory
GSGoldman Sachs Group IncStock154,506$84.4M0.4%+2,609+1.7%AddedHistory
TMUST-Mobile US, Inc.Stock312,345$83.3M0.4%+2,211+0.7%AddedHistory
HPE.PCHewlett Packard Enterprise Co7.625 MAND CONV1,698,156$81.1M0.4%+8,971+0.5%AddedHistory
Cloudflare, Inc.18915MAC1NOTE 8/1–$80.8M0.4%–––
Wayfair Inc.94419LAR2NOTE 3.500%11/1–$79.1M0.4%–––
CVXChevron CorpStock469,984$78.6M0.4%+4,557+1.0%AddedHistory
CSCOCisco Systems, Inc.Stock1,160,747$71.6M0.3%+12,553+1.1%AddedHistory
KOCoca Cola CoStock993,447$71.2M0.3%+8,570+0.9%AddedHistory
TMOThermo Fisher Scientific Inc.Stock142,690$71.0M0.3%−3,110−2.1%ReducedHistory
KKR.PDKKR & Co. Inc.6.25 CON SER D1,435,950$70.9M0.3%+1,435,950NewHistory
Akamai Technologies Inc00971TAN1NOTE 1.125% 2/1–$70.4M0.3%–––
Seagate HDD Cayman81180WBL4NOTE 3.500% 6/0–$70.1M0.3%–––
RTXRTX CorpStock515,896$68.3M0.3%+4,766+0.9%AddedHistory
MRSHMarsh & McLennan Companies, Inc.Stock276,184$67.4M0.3%+11,992+4.5%AddedHistory
Nextera Energy Cap Hldgs Inc65339KCY4NOTE 3.000% 3/0–$67.2M0.3%–New–
NCL Corp Ltd62886HBD2NOTE 1.125% 2/1–$66.3M0.3%–––
LOWLowes Companies IncStock282,725$65.9M0.3%−20,167−6.7%ReducedHistory
WMWaste Management IncStock283,500$65.6M0.3%+7,751+2.8%AddedHistory
ABTAbbott LaboratoriesStock483,026$64.1M0.3%+140,723+41.1%AddedHistory
Stride, Inc.86333MAA6NOTE 1.125% 9/0–$63.6M0.3%–––
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$61.5M0.3%–––
SHIFT4 PMTS Inc82452JAD1NOTE 0.500% 8/0–$61.3M0.3%–––
DISWalt Disney CoStock620,848$61.3M0.3%+5,007+0.8%AddedHistory
SPGIS&P Global Inc.Stock120,202$61.1M0.3%+25,369+26.8%AddedHistory
MCDMcDonalds CorpStock193,900$60.6M0.3%+1,725+0.9%AddedHistory
GEGeneral Electric CoStock301,852$60.4M0.3%−14,910−4.7%ReducedHistory
MRKMerck & Co., Inc.Stock668,215$60.0M0.3%−184,632−21.6%ReducedHistory
CBChubb LtdStock197,345$59.6M0.3%−28,165−12.5%ReducedHistory
Invesco Exch Traded FD Tr II46138G508SR LN ETF2,841,231$58.8M0.3%+50,777+1.8%Added–
MCHPPMicrochip Technology IncDEP SHS REPSTG1,149,785$57.9M0.3%+1,149,785NewHistory
CMS Energy Corp125896BX7NOTE 3.375% 5/0–$57.6M0.3%–––
American WTR Cap Corp03040WBE4NOTE 3.625% 6/1–$57.5M0.3%–––
CONMED Corp207410AH4NOTE 2.250% 6/1–$56.4M0.3%–––
ISRGIntuitive Surgical IncCOM NEW113,164$56.0M0.3%+944+0.8%AddedHistory
CMGChipotle Mexican Grill IncCOM1,109,304$55.7M0.3%+23,444+2.2%AddedHistory
Sarepta Therapeutics, Inc.803607AD2NOTE 1.250% 9/1–$55.1M0.3%–––
Digitalocean Hldgs Inc25402DAB8NOTE 12/0–$55.0M0.3%–––
EMREmerson Electric CoStock498,417$54.6M0.3%+34,931+7.5%AddedHistory
AXPAmerican Express CoStock202,571$54.5M0.3%+1,415+0.7%AddedHistory
Liberty Media Corp531229AQ5NOTE 2.250% 8/1–$54.5M0.3%–––
Ssga Active ETF Tr78467V608ST STR BL LN ETF1,312,055$54.0M0.3%00.0%Unchanged–
PLTRPalantir Technologies Inc.Stock632,771$53.4M0.3%+632,771NewHistory
Insulet Corp45784PAK7NOTE 0.375% 9/0–$53.2M0.3%–––
TAT&T Inc.Stock1,845,826$52.2M0.2%+584,680+46.4%AddedHistory
TJXTJX Companies IncStock427,392$52.1M0.2%+65,397+18.1%AddedHistory
MSMorgan StanleyStock444,987$51.9M0.2%−70,270−13.6%ReducedHistory
INTUIntuit Inc.Stock83,977$51.6M0.2%+8,312+11.0%AddedHistory
SHWSherwin Williams CoCOM147,452$51.5M0.2%+11,830+8.7%AddedHistory
Confluent, Inc.20717MAB9NOTE 1/1–$51.3M0.2%–––

Options (38)

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 2025
SecurityClassPutsCalls
SPYSPDR S&P 500 ETF TrustETF$582.2M$402.7M
iShares Russell 2000 ETF464287655ETF$128.0M$128.0M
Invesco QQQ Trust Series I46090E103ETF$108.4M$108.4M
iShares MSCI Eafe ETF464287465ETF–$60.5M
Kraneshares Trust500767306CSI CHI INTERNET$43.2M–
BRK.BBerkshire Hathaway IncStock–$34.4M
FLUTFlutter Entertainment plcSHS–$26.9M
iShares Tr464287234MSCI EMG MKT ETF$24.7M–
TSMTaiwan Semiconductor Manufacturing Co LtdADR–$18.4M
AMZNAmazon Com IncStock$16.7M$438.8K
AALAmerican Airlines Group Inc.Stock–$16.6M
iShares MSCI India ETF46429B598ETF–$15.4M
BSXBoston Scientific CorpStock–$12.4M
iShares Tr464287184CHINA LG-CAP ETF$11.5M–
iShares Inc464286608MSCI EURZONE ETF$11.5M–
BABoeing CoStock$9.73M–
NVONovo Nordisk A SADR–$8.18M
PDDPDD Holdings Inc.SPONSORED ADS–$7.57M
RCLRoyal Caribbean Cruises LtdCOM–$6.46M
WFCWells Fargo & CompanyStock$6.36M–
BIDUBaidu, Inc.ADR–$5.29M
FTITechnipFMC plcCOM–$5.12M
iShares Inc464286400MSCI BRAZIL ETF–$4.87M
UALUnited Airlines Holdings, Inc.COM–$4.03M
MMYTMakeMyTrip LtdStock–$2.73M
GOOGLAlphabet Inc.Stock$2.31M$378.6K
BILLBILL Holdings, Inc.Stock–$2.54M
Direxion Shares ETF Trust25459Y207NASDAQ 100 EQ WT–$1.71M
YUMCYum China Holdings, Inc.COM–$1.20M
AAPLApple Inc.Stock–$751.3K
MSFTMicrosoft CorpStock–$632.3K
NVDANVIDIA CorpStock–$604.3K
AVGOBroadcom Inc.Stock–$579.6K
COSTCostco Wholesale CorpStock–$458.1K
NFLXNetflix IncStock–$445.7K
METAMeta Platforms, Inc.Stock–$292.8K
TMUST-Mobile US, Inc.Stock–$220.7K
TSLATesla, Inc.Stock–$201.9K

Sold out since Q4 2024 (109)

Positions held at the end of Q4 2024 that are gone from this filing.

The largest 100 of 109 by value last quarter.

Positions of Calamos Advisors LLC sold out since Q4 2024
SecurityClassShares in Q4 2024Value in Q4 2024% of portfolio in Q4 2024History
Square Inc852234AF0NOTE 0.125% 3/0–$59.5M0.3%–
Altair Engr Inc021369AC7NOTE 1.750% 6/1–$45.9M0.2%–
Insight Enterprises Inc45765UAB9NOTE 0.750% 2/1–$29.4M0.1%–
XUnited States Steel CorpCOM851,744$29.0M0.1%History
Pegasystems Inc705573AB9NOTE 0.750% 3/0–$24.4M0.1%–
TechTarget, Inc.87874RAD2NOTE 12/1–$23.4M0.1%–
ACIAlbertsons Companies, Inc.COMMON STOCK1,050,000$20.6M0.1%History
AALAmerican Airlines Group Inc.Stock891,339$15.5M0.1%History
Alphatec Hldgs Inc02081GAB8NOTE 0.750% 8/0–$15.4M0.1%–
Guidewire Software, Inc.40171VAA8NOTE 1.250% 3/1–$13.9M0.1%–
Cracker Barrel Old Ctry Stor22410JAB2NOTE 0.625% 6/1–$11.7M0.1%–
MMYTMakeMyTrip LtdStock99,670$11.2M0.1%History
FISFidelity National Information Services, Inc.Stock128,623$10.4M<0.1%History
KKRKKR & Co. Inc.COM66,086$9.77M<0.1%History
Vine Hill Cap Invt Corp.G93Y09123UNIT 09/06/2026925,000$9.36M<0.1%–
Hadron Energy, Inc.G38648112UNIT 99/99/9999925,000$9.33M<0.1%–
ELVElevance Health, Inc.Stock24,774$9.14M<0.1%History
ARCHArch Resources, Inc.CL A59,158$8.35M<0.1%History
POLEUAndretti Acquisition Corp. IIUNIT 99/99/9999825,000$8.28M<0.1%History
MDBMongoDB, Inc.CL A35,133$8.18M<0.1%History
Infinera Corp45667GAG8NOTE 3.750% 8/0–$7.56M<0.1%–
iShares Tr464287556ISHARES BIOTECH56,295$7.44M<0.1%–
FTIIFutureTech II Acquisition Corp.CLASS A COM500,000$6.12M<0.1%History
Evergreen CorpG3312W109CLASS A ORD SHS500,000$5.94M<0.1%–
iShares Tr46429B614MSCI INDIA SM CP75,273$5.75M<0.1%–
Redfin Corp75737FAC2NOTE 10/1–$5.58M<0.1%–
ALTRAltair Engineering Inc.COM CL A49,773$5.43M<0.1%History
SilverBox Corp IVG81354113UNIT 99/99/9999500,000$5.08M<0.1%–
CPRICapri Holdings LtdSHS240,000$5.05M<0.1%History
HCM II Acquisition CorpG43658114UNIT 99/99/9999500,000$5.04M<0.1%–
SMTCSemtech CorpStock75,672$4.68M<0.1%History
CECelanese CorpStock63,353$4.38M<0.1%History
INVHInvitation Homes Inc.COM129,184$4.13M<0.1%History
SIMOSilicon Motion Technology CORPSPONSORED ADR68,589$3.71M<0.1%History
Cable One, Inc.12685JAE5NOTE 3/1–$3.62M<0.1%–
MODModine Manufacturing CoCOM29,695$3.44M<0.1%History
MTTRMatterport, Inc.COM CL A701,377$3.32M<0.1%History
COHRCoherent Corp.COM29,890$2.83M<0.1%History
SGSweetgreen, Inc.COM CL A79,815$2.56M<0.1%History
RingCentral, Inc.76680RAF4NOTE 3/0–$2.33M<0.1%–
ITCIIntra-Cellular Therapies, Inc.COM27,668$2.31M<0.1%History
FRPTFreshpet, Inc.Stock15,364$2.28M<0.1%History
ALKTAlkami Technology, Inc.Stock61,865$2.27M<0.1%History
PWPPerella Weinberg PartnersCLASS A COM93,601$2.23M<0.1%History
Schwab U.S. Large-Cap ETF808524201ETF89,793$2.08M<0.1%–
Intuitive Machines, Inc.46125A118*W EXP 02/13/202250,000$1.96M<0.1%–
IRENIREN LtdORDINARY SHARES193,349$1.90M<0.1%History
ECGEverus Construction Group, Inc.Stock28,828$1.90M<0.1%History
ZZillow Group, Inc.CL C CAP STK24,855$1.84M<0.1%History
CLSCelestica IncStock18,852$1.74M<0.1%History
ALABAstera Labs, Inc.Stock12,785$1.69M<0.1%History
KRUSKura Sushi USA, Inc.CL A COM17,304$1.57M<0.1%History
XPOXPO, Inc.COM11,817$1.55M<0.1%History
SITMSITIME CorpCOM6,814$1.46M<0.1%History
LAZLazard, Inc.COM27,557$1.42M<0.1%History
CORZCore Scientific, Inc.COM100,030$1.41M<0.1%History
OSOneStream, Inc.CL A48,627$1.39M<0.1%History
APOApollo Global Management, Inc.COM7,850$1.30M<0.1%History
APLDApplied Digital Corp.COM NEW166,600$1.27M<0.1%History
TGLSTecnoglass Holdings Inc.ORD SHS15,266$1.21M<0.1%History
VRTVertiv Holdings CoCOM CL A10,465$1.19M<0.1%History
MNKDMannkind CorpCOM NEW184,661$1.19M<0.1%History
POSTPost Holdings, Inc.COM9,925$1.14M<0.1%History
AXSMAxsome Therapeutics, Inc.COM12,808$1.08M<0.1%History
JEFJefferies Financial Group Inc.COM13,818$1.08M<0.1%History
State Street SPDR Bloomberg Convertible Securities ETF78464A359ETF13,015$1.01M<0.1%–
iShares Russell 1000 Growth ETF464287614ETF2,519$1.01M<0.1%–
EMEEMCOR Group, Inc.Stock2,225$1.01M<0.1%History
GPGIGPGI, Inc.COM CL A65,159$998.9K<0.1%History
BWXTBWX Technologies, Inc.COM8,566$954.2K<0.1%History
Schwab U.S. Mid-Cap ETF808524508ETF33,120$917.8K<0.1%–
EVREvercore Inc.CLASS A3,285$910.6K<0.1%History
ZSZscaler, Inc.Stock4,819$869.4K<0.1%History
Euronet Worldwide, Inc.298736AL3NOTE 0.750% 3/1–$852.8K<0.1%–
KEXKirby CorpCOM7,892$835.0K<0.1%History
MicroStrategy Inc594972AE1NOTE 2/1–$820.7K<0.1%–
CRNXCrinetics Pharmaceuticals, Inc.COM14,402$736.4K<0.1%History
CNOCNO Financial Group, Inc.COM35,070$670.5K<0.1%History
HEIHeico CorpCOM2,744$652.4K<0.1%History
REAXReal REMAX Group Inc.COM NEW137,659$633.2K<0.1%History
LOARLoar Holdings Inc.COM SHS8,521$629.8K<0.1%History
WLDNWilldan Group, Inc.COM15,067$573.9K<0.1%History
VSECVse CorpCOM6,024$572.9K<0.1%History
EXELExelixis, Inc.COM16,280$542.1K<0.1%History
SSentinelOne, Inc.CL A22,868$507.7K<0.1%History
THQabrdn Healthcare Opportunities FundSHS26,108$492.7K<0.1%History
iShares Tr464288687PFD AND INCM SEC15,321$481.7K<0.1%–
HROWHarrow, Inc.COM11,913$399.7K<0.1%History
DBLDoubleLine Opportunistic Credit FundCOM23,911$370.6K<0.1%History
IMAXImax CorpCOM13,699$350.7K<0.1%History
CLHClean Harbors IncCOM1,375$316.4K<0.1%History
INODInnodata IncCOM NEW7,153$282.7K<0.1%History
NOTVInotiv, Inc.COM66,431$275.0K<0.1%History
RABrookfield Real Assets Income Fund Inc.SHS BEN INT20,522$273.4K<0.1%History
Schwab International Equity ETF808524805ETF13,194$244.1K<0.1%–
OCSAWOculis Holding AG*W EXP 03/06/20233,333$186.7K<0.1%History
Nuvasive Inc670704AJ4NOTE 0.375% 3/1–$150.5K<0.1%–
CAFMorgan Stanley China A Share Fund, Inc.COM11,235$140.0K<0.1%History
Consilium Acquisitn Corp I LG2365L127RIGHT 07/01/2023750,000$112.4K<0.1%–
Semtech Corp816850AF8NOTE 1.625%11/0–$86.7K<0.1%–