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Livermore
Livermore
ZHEN

Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

Holdings in Q2 2023

Holdings as of Jun 30, 2023, filed Jul 28, 2023. Long positions only; changes compare share counts with Q1 2023.

Institution overview
Positions
968
−135 vs. Q1 2023
Portfolio value
$19.7B
−$273.9M (−1.4%) vs. Q1 2023
Filed
Jul 28, 2023
SEC
Holdings of Calamos Advisors LLC in Q2 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
AAPLApple Inc.Stock4,821,862$935.3M4.8%−179,104−3.6%ReducedHistory
MSFTMicrosoft CorpStock2,582,089$879.3M4.5%−130,631−4.8%ReducedHistory
AMZNAmazon Com IncStock3,431,198$447.3M2.3%−44,583−1.3%ReducedHistory
NVDANVIDIA CorpStock898,018$379.9M1.9%−109,118−10.8%ReducedHistory
GOOGLAlphabet Inc.Stock2,883,965$345.2M1.8%−46,494−1.6%ReducedHistory
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$272.8M1.4%–––
Tesla, Inc.88160RAG6NOTE 2.000% 5/1–$221.4M1.1%–––
VVisa Inc.Stock840,810$199.7M1.0%−2,796−0.3%ReducedHistory
Pioneer Nat Res Co723787AP2NOTE 0.250% 5/1–$196.8M1.0%–––
METAMeta Platforms, Inc.Stock658,497$189.0M1.0%−21,713−3.2%ReducedHistory
UNHUnitedHealth Group IncStock383,602$184.4M0.9%−3,774−1.0%ReducedHistory
LLYEli Lilly & CoStock386,855$181.4M0.9%−28,107−6.8%ReducedHistory
GOOGAlphabet Inc.Stock1,369,470$165.7M0.8%+1040.0%AddedHistory
MongoDB, Inc.60937PAD8NOTE 0.250% 1/1–$159.6M0.8%–––
AVGOBroadcom Inc.Stock168,718$146.4M0.7%−2,937−1.7%ReducedHistory
On Semiconductor Corp682189AS4NOTE 5/0–$139.8M0.7%–––
Airbnb, Inc.009066AB7NOTE 3/1–$128.4M0.7%–––
SPYSPDR S&P 500 ETF TrustETF273,175$121.1M0.6%−111,038−28.9%ReducedHistory
JPMJPMorgan Chase & CoStock824,767$120.0M0.6%+558+0.1%AddedHistory
JNJJohnson & JohnsonStock696,964$115.4M0.6%+667+0.1%AddedHistory
MAMastercard IncStock283,176$111.4M0.6%−1,301−0.5%ReducedHistory
Unity Software Inc.91332UAB7NOTE 11/1–$106.6M0.5%–––
CVXChevron CorpStock670,510$105.5M0.5%−39,969−5.6%ReducedHistory
LINLinde PLCStock274,830$104.7M0.5%−28,786−9.5%ReducedHistory
TSLATesla, Inc.Stock399,706$104.6M0.5%−30,639−7.1%ReducedHistory
Ford MTR Co Del345370CZ1NOTE 3/1–$102.9M0.5%–––
BRK.BBerkshire Hathaway IncStock291,723$99.5M0.5%00.0%UnchangedHistory
Sea Ltd81141RAG5NOTE 0.250% 9/1–$99.3M0.5%–––
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$98.2M0.5%–––
DraftKings Inc.26142RAB0NOTE 3/1–$97.1M0.5%–––
ORCLOracle CorpStock789,028$94.0M0.5%+84,019+11.9%AddedHistory
Dexcom Inc252131AH0NOTE 0.750%12/0–$93.8M0.5%–––
MRKMerck & Co., Inc.Stock782,141$90.3M0.5%+68,896+9.7%AddedHistory
RTXRTX CorpStock914,767$89.6M0.5%−77,647−7.8%ReducedHistory
BACBank of America CorpStock3,119,600$89.5M0.5%+2,569+0.1%AddedHistory
WMTWalmart Inc.Stock568,865$89.4M0.5%−18,828−3.2%ReducedHistory
CSXCSX CorpStock2,610,697$89.0M0.5%+154,659+6.3%AddedHistory
PGProcter & Gamble CoStock586,050$88.9M0.5%+498+0.1%AddedHistory
XOMExxonMobil Holdings CorpCOM816,926$87.6M0.4%−37,132−4.3%ReducedHistory
Illumina, Inc.452327AK5NOTE 8/1–$84.5M0.4%–––
HONHoneywell International IncCOM406,150$84.3M0.4%+12,432+3.2%AddedHistory
HDHome Depot, Inc.Stock271,127$84.2M0.4%+580.0%AddedHistory
American Elec PWR Co Inc02557T307UNIT 08/15/20251,690,162$84.0M0.4%−8,229−0.5%Reduced–
TMOThermo Fisher Scientific Inc.Stock159,939$83.4M0.4%+12,622+8.6%AddedHistory
Dexcom Inc252131AK3NOTE 0.250%11/1–$83.4M0.4%–––
Cyberark Software Ltd23248VAB1NOTE 11/1–$81.2M0.4%–––
WFCWells Fargo & CompanyStock1,892,879$80.8M0.4%−21,805−1.1%ReducedHistory
Snap Inc83304AAF3NOTE 5/0–$77.2M0.4%–––
KOCoca Cola CoStock1,264,611$76.2M0.4%+749+0.1%AddedHistory
Bill Com Hldgs Inc090043AB6NOTE 12/0–$73.8M0.4%–––
Datadog, Inc.23804LAB9NOTE 0.125% 6/1–$73.1M0.4%–––
Digitalocean Hldgs Inc25402DAB8NOTE 12/0–$71.8M0.4%–––
SHIFT4 PMTS Inc82452JAB5NOTE 12/1–$71.2M0.4%–––
NKENIKE, Inc.Stock636,648$70.3M0.4%+26,657+4.4%AddedHistory
Confluent, Inc.20717MAB9NOTE 1/1–$69.1M0.4%–––
Uber Technologies, Inc90353TAJ9NOTE 12/1–$68.4M0.3%–––
Nextera Energy Inc65339F739UNIT 99/99/99991,361,864$66.8M0.3%−82,006−5.7%Reduced–
Microchip Technology Inc595017AU8NOTE 0.125%11/1–$66.5M0.3%–––
CSCOCisco Systems, Inc.Stock1,283,059$66.4M0.3%+5530.0%AddedHistory
MSMorgan StanleyStock775,981$66.3M0.3%+10,069+1.3%AddedHistory
Akamai Technologies Inc00971TAJ0NOTE 0.125% 5/0–$64.6M0.3%–––
LOWLowes Companies IncStock285,674$64.5M0.3%+360.0%AddedHistory
Square Inc852234AF0NOTE 0.125% 3/0–$64.4M0.3%–––
Spotify USA Inc84921RAB6NOTE 3/1–$63.9M0.3%–––
NFLXNetflix IncStock144,899$63.8M0.3%+6,346+4.6%AddedHistory
Jazz Investments I Ltd472145AF8NOTE 2.000% 6/1–$63.7M0.3%–––
ABBVAbbVie Inc.Stock471,808$63.6M0.3%−1940.0%ReducedHistory
NCL Corp Ltd62886HBD2NOTE 1.125% 2/1–$63.0M0.3%–––
Nextera Energy Inc65339F713UNIT 09/01/20251,385,224$62.7M0.3%+140.0%Added–
ACNAccenture plcStock201,852$62.3M0.3%−209−0.1%ReducedHistory
BSXBoston Scientific CorpStock1,123,004$60.7M0.3%+42,983+4.0%AddedHistory
AES Corp00130H204UNIT 99/99/9999743,848$60.7M0.3%+50,697+7.3%Added–
MCDMcDonalds CorpStock202,618$60.5M0.3%−14,949−6.9%ReducedHistory
AMDAdvanced Micro Devices IncStock529,909$60.4M0.3%−11,022−2.0%ReducedHistory
CRMSalesforce, Inc.Stock284,600$60.1M0.3%+1410.0%AddedHistory
PEPPepsiCo IncStock320,313$59.3M0.3%−9,668−2.9%ReducedHistory
NOWServiceNow, Inc.Stock105,274$59.2M0.3%−7,379−6.6%ReducedHistory
ADBEAdobe Inc.Stock120,922$59.1M0.3%+500.0%AddedHistory
COSTCostco Wholesale CorpStock109,784$59.1M0.3%+65+0.1%AddedHistory
MIDDLEBY Corp596278AB7NOTE 1.000% 9/0–$58.9M0.3%–––
Insulet Corp45784PAK7NOTE 0.375% 9/0–$58.9M0.3%–––
MRSHMarsh & McLennan Companies, Inc.Stock310,589$58.4M0.3%+1160.0%AddedHistory
John Bean Technologies Corp477839AB0NOTE 0.250% 5/1–$58.4M0.3%–––
Vail Resorts Inc91879QAN9NOTE 1/0–$58.1M0.3%–––
AXPAmerican Express CoStock323,673$56.4M0.3%−1390.0%ReducedHistory
PMPhilip Morris International Inc.Stock568,333$55.5M0.3%+492+0.1%AddedHistory
CMCSAComcast CorpStock1,317,261$54.7M0.3%+1,050+0.1%AddedHistory
CONMED Corp207410AH4NOTE 2.250% 6/1–$54.5M0.3%–New–
GSGoldman Sachs Group IncStock168,528$54.4M0.3%−390.0%ReducedHistory
DHRDanaher CorpStock223,468$53.6M0.3%−52,273−19.0%ReducedHistory
DISWalt Disney CoStock593,357$53.0M0.3%+730.0%AddedHistory
Teradyne, Inc880770AG7NOTE 1.250%12/1–$52.9M0.3%–––
INTUIntuit Inc.Stock111,927$51.3M0.3%−15,451−12.1%ReducedHistory
Cloudflare, Inc.18915MAC1NOTE 8/1–$51.2M0.3%–––
MDTMedtronic plcStock579,059$51.0M0.3%+161,384+38.6%AddedHistory
PFEPfizer IncStock1,383,342$50.7M0.3%+6620.0%AddedHistory
Okta, Inc.679295AD7NOTE 0.125% 9/0–$50.1M0.3%–––
TMUST-Mobile US, Inc.Stock359,884$50.0M0.3%+139,852+63.6%AddedHistory
DISH Network CORP25470MAF6NOTE 12/1–$49.7M0.3%–––
Nice Sys Inc65366HAB9NOTE 1.250% 1/1–$49.4M0.3%–––

Options (29)

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 2023
SecurityClassPutsCalls
Invesco QQQ Trust Series I46090E103ETF$155.4M–
State Street Industrial Select Sector SPDR ETF81369Y704ETF$65.8M–
SPYSPDR S&P 500 ETF TrustETF$37.7M–
iShares Tr46428743220 YR TR BD ETF–$34.3M
iShares MSCI Eafe ETF464287465ETF$33.6M–
AMZNAmazon Com IncStock$5.47M$17.7M
iShares Tr464287234MSCI EMG MKT ETF–$22.9M
PNCPNC Financial Services Group, Inc.Stock$9.24M$9.66M
PANWPalo Alto Networks IncStock–$17.8M
TECKTeck Resources LtdCL B–$16.1M
State Street SPDR S&P Regional Banking ETF78464A698ETF$15.1M–
GOOGLAlphabet Inc.Stock$14.3M–
iShares Russell 2000 ETF464287655ETF–$14.3M
MSMorgan StanleyStock$11.2M–
DISHDISH Network CORPCL A$9.54M–
BYNDBeyond Meat, Inc.COM$8.93M–
iShares Inc464286772MSCI STH KOR ETF–$8.48M
PYPLPayPal Holdings, Inc.Stock–$7.06M
INTCIntel CorpStock–$5.47M
BABAAlibaba Group Holding LtdADR–$5.11M
BIDUBaidu, Inc.ADR–$4.90M
CRMSalesforce, Inc.Stock–$4.89M
UBERUber Technologies, IncStock$3.61M–
SESea LtdSPONSORD ADS–$2.01M
NVDANVIDIA CorpStock–$1.17M
IRBTiRobot CorpCOM–$890.3K
FDXFedEx CorpStock$388.4K–
POOLPool CorpCOM$342.4K–
ALGNAlign Technology IncCOM$300.7K–

Sold out since Q1 2023 (205)

Positions held at the end of Q1 2023 that are gone from this filing.

The largest 100 of 205 by value last quarter.

Positions of Calamos Advisors LLC sold out since Q1 2023
SecurityClassShares in Q1 2023Value in Q1 2023% of portfolio in Q1 2023History
Palo Alto Networks Inc697435AD7NOTE 0.750% 7/0–$258.2M1.3%–
Dick's Sporting Goods, Inc.253393AD4NOTE 3.250% 4/1–$99.4M0.5%–
Aptiv PLCG6095L1175.5% CNV PFD A794,260$97.5M0.5%–
Square Inc852234AD5NOTE 0.500% 5/1–$66.1M0.3%–
Boston Scientific Corp1011372065.50% CNV PFD A322,682$39.1M0.2%–
Silicon Laboratories Inc.826919AD4NOTE 0.625% 6/1–$35.3M0.2%–
Oak STR Health Inc67181AAB3NOTE 3/1–$25.3M0.1%–
SUACShoulderUP Technology Acquisition Corp.CL A COM2,000,000$20.8M0.1%History
iQIYI, Inc.46267XAE8NOTE 4.000%12/1–$20.3M0.1%–
7 Acquisition CorpG80694105SHS CL A1,750,000$18.3M0.1%–
Chain Bridge IG2061X102CLASS A ORD1,500,000$15.7M0.1%–
DP Cap Acquisition Corp IG2R05B100CLASS A ORD1,500,000$15.7M0.1%–
LGVCLAMF Global Ventures Corp. ICLASS A ORD1,500,000$15.7M0.1%History
CRECCrescera Capital Acquisition Corp.CLASS A ORD SHS1,500,000$15.7M0.1%History
BFACBattery Future Acquisition Corp.CL A ORD SHS1,500,000$15.7M0.1%History
SOARVolato Group, Inc.CL A COM1,500,000$15.6M0.1%History
St Energy Transition I LtdG8465L107CL A ORD SHS1,500,000$15.6M0.1%–
Guess Inc401617AD7NOTE 2.000% 4/1–$15.6M0.1%–
AEAEAltEnergy Acquisition CorpCOM CL A1,500,000$15.6M0.1%History
VMG Consumer Acquisition Cor91842V102CLASS A COM1,500,000$15.6M0.1%–
NPABNew Providence Acquisition Corp. IICLASS A COM1,500,000$15.5M0.1%History
Trine II Acquisition Corp.G9059F100CL A ORD SHS1,485,784$15.5M0.1%–
Infinera Corp45667GAC7NOTE 2.125% 9/0–$15.3M0.1%–
RCFAPerception Capital Corp. IVCL A COM1,373,044$14.4M0.1%History
HCM Acquisition CorpG4365A101CLASS A ORD SHS1,250,000$13.1M0.1%–
MTVCMotive Capital Corp IICL A ORD1,250,000$13.0M0.1%History
PPYAPapaya Growth Opportunity Corp. ICLASS A COM1,250,000$13.0M0.1%History
Abpro Holdings, Inc.04845A108CLASS A COM1,250,000$13.0M0.1%–
Pra Group Inc69354NAB2NOTE 3.500% 6/0–$13.0M0.1%–
ENTFEnterprise 4.0 Technology Acquisition CorpCLASS A ORD SHS1,200,000$12.5M0.1%History
DEVSFDevvStream Corp.CLASS A COM1,051,600$10.9M0.1%History
TGAATarget Global Acquisition I Corp.CLASS A ORD SHS1,000,000$10.5M0.1%History
HAIAHealthcare AI Acquisition Corp.CLASS A ORD SHS1,000,000$10.4M0.1%History
BIOSBioPlus Acquisition Corp.CLASS A ORD SHS1,000,000$10.4M0.1%History
EVEEVe Mobility Acquisition CorpCL A ORD SHS1,000,000$10.4M0.1%History
PNSTPinstripes Holdings, Inc.CL A COM1,000,000$10.4M0.1%History
XFINExcelFin Acquisition Corp.COM CL A1,000,000$10.4M0.1%History
Ionis Pharmaceuticals Inc462222AB6NOTE 0.125%12/1–$10.4M0.1%–
GSR II Meteora Acquisitn Cor36263W105CLASS A COM1,000,000$10.3M0.1%–
New Relic, Inc.64829BAB6NOTE 0.500% 5/0–$10.3M0.1%–
Neurocrine Biosciences Inc64125CAD1NOTE 2.250% 5/1–$10.1M0.1%–
Ahren Acquisition Corp.G01322109CLASS A ORD SHS963,772$10.0M0.1%–
Magnite, Inc.55955DAB6NOTE 0.250% 3/1–$10.0M0.1%–
Supernus Pharmaceuticals, Inc.868459AD0NOTE 0.625% 4/0–$9.97M0.1%–
Yy Inc98426TAD8NOTE 0.750% 6/1–$9.83M<0.1%–
PGSSPegasus Digital Mobility Acquisition Corp.CL A ORD SHS918,300$9.62M<0.1%History
MRVLMarvell Technology, Inc.COM200,001$8.66M<0.1%History
NewHold Investment Corp. II651450108COM CL A800,000$8.14M<0.1%–
Cactus Acquisition Corp. 1 LtdG1745A108CLASS A ORD750,000$7.83M<0.1%–
Industrial Tech Acqstns II I45635R108CLASS A COM750,000$7.81M<0.1%–
Jackson Acquisition Co46653C106COM CL A750,000$7.76M<0.1%–
JAZZJazz Pharmaceuticals plcSHS USD43,770$6.40M<0.1%History
NUENucor CorpCOM41,000$6.33M<0.1%History
Acropolis Infrastructure Acq005029103CL A616,403$6.24M<0.1%–
Banner Acquisition Corp.06654K101CLASS A COM600,000$6.14M<0.1%–
Worldwide Webb Acquisition CG97775103CLASS A ORD SHS579,015$5.99M<0.1%–
Beard Energy Transition Acq07402Q101CL A COM542,433$5.62M<0.1%–
Paramount Global92556H206CL B240,268$5.36M<0.1%–
Accolade, Inc.00437EAB8NOTE 0.500% 4/0–$5.35M<0.1%–
Spree Acquisition Corp. 1 LtdG83745102CL A ORD SHS500,000$5.34M<0.1%–
Nubia Brand International Co67022R103CLASS A COM500,000$5.29M<0.1%–
SHUASHUAA Partners Acquisition Corp ICLASS A ORD SHS500,000$5.24M<0.1%History
LATGChenghe Acquisition I Co.CLASS A ORD SHS500,000$5.23M<0.1%History
Roc Energy Acquisition Corp77118V108COMMON STOCK500,000$5.22M<0.1%–
LIVBLIV Capital Acquisition Corp. IICLASS A ORD SHS500,000$5.22M<0.1%History
GMFIAetherium Acquisition CorpCLASS A COM500,000$5.21M<0.1%History
Signal Hill Acquisition Corp82664R105CLASS A COM500,000$5.20M<0.1%–
ROCLRoth CH Acquisition V Co.COM500,000$5.16M<0.1%History
Swiftmerge Acquisition CorpG63836103CLASS A ORD SHS500,000$5.16M<0.1%–
IXAQFIX Acquisition Corp.CLASS A ORD SHS500,000$5.14M<0.1%History
ATEKAthena Technology Acquisition Corp. IICL A COM500,000$5.14M<0.1%History
MITAColiseum Acquisition Corp.CLASS A ORD SHS500,000$5.13M<0.1%History
Skydeck Acquisition Corp.G82220123CLASS A ORD SHS500,000$5.12M<0.1%–
HWKZHawks Acquisition CorpCL A500,000$5.08M<0.1%History
Anthemis Digital AcquisitionG03959106CLASS A ORD485,000$5.07M<0.1%–
Bilibili Inc.090040AD8NOTE 1.250% 6/1–$5.05M<0.1%–
BACABerenson Acquisition Corp. ICL A COM500,000$5.03M<0.1%History
TFCTruist Financial CorpCOM145,843$4.97M<0.1%History
CFFSCF Acquisition Corp. VIICLASS A COM478,400$4.95M<0.1%History
FRTFederal Realty Investment TrustSH BEN INT NEW49,047$4.85M<0.1%History
XPOFXponential Fitness, Inc.COM CL A158,543$4.82M<0.1%History
FHNFirst Horizon CorpCOM268,444$4.77M<0.1%History
GCT Semiconductor Holding, Inc.20607V106COM CL A450,000$4.67M<0.1%–
Invesco QQQ Trust Series I46090E103ETF14,295$4.59M<0.1%–
TRUTransUnionCOM73,000$4.54M<0.1%History
Sculptor Acquisition Corp IG7T983103CL A COM421,000$4.40M<0.1%–
Danaher Corp2358514095% CONV PFD B3,453$4.40M<0.1%–
TDYTeledyne Technologies IncCOM9,723$4.35M<0.1%History
Kimbell Tiger Acquisition Co49436K106COM CL A400,000$4.21M<0.1%–
Nabors Energy Transition Cor629567108CL A COM400,000$4.20M<0.1%–
DISHDISH Network CORPCL A426,307$3.98M<0.1%History
IFFInternational Flavors & Fragrances IncCOM43,171$3.97M<0.1%History
Orion Biotech Opportuntes CoG6780C109CLASS A ORD SHS375,000$3.84M<0.1%–
Juniper II Corp48203N103CL A COM350,000$3.72M<0.1%–
NBNiocorp Developments LtdCOM NEW555,985$3.54M<0.1%History
Realogy Grp LLC/Realogy Co75606DAP6NOTE 0.250% 6/1–$3.50M<0.1%–
CEGConstellation Energy CorpStock43,708$3.43M<0.1%History
WELIntegrated Wellness Acquisition CorpORD SHS CL A308,270$3.24M<0.1%History
Patria Latin Amrcn Opprnty AG69454109CLASS A ORD SHS300,000$3.17M<0.1%–
Sound Point Acquisition CorpG8274F101CLASS A ORD SHS300,000$3.17M<0.1%–