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Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

Holdings in Q4 2021

Holdings as of Dec 31, 2021, filed Feb 1, 2022. Long positions only; changes compare share counts with Q3 2021.

Institution overview
Positions
1,083
+135 vs. Q3 2021
Portfolio value
$24.9B
+$3.72B (+17.6%) vs. Q3 2021
Filed
Feb 1, 2022
SEC
Holdings of Calamos Advisors LLC in Q4 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
MSFTMicrosoft CorpStock3,079,218$1.04B4.2%+73,162+2.4%AddedHistory
AAPLApple Inc.Stock5,582,995$991.4M4.0%+121,172+2.2%AddedHistory
AMZNAmazon Com IncStock183,092$610.5M2.5%+10,045+5.8%AddedHistory
SPYSPDR S&P 500 ETF TrustETF1,018,633$483.8M1.9%+328,612+47.6%AddedHistory
Tesla, Inc.88160RAG6NOTE 2.000% 5/1–$432.7M1.7%–––
GOOGLAlphabet Inc.Stock140,588$407.3M1.6%+1,550+1.1%AddedHistory
METAMeta Platforms, Inc.Stock1,133,320$381.2M1.5%−28,179−2.4%ReducedHistory
NVDANVIDIA CorpStock1,294,962$380.9M1.5%+5880.0%AddedHistory
UNHUnitedHealth Group IncStock452,678$227.3M0.9%+7,938+1.8%AddedHistory
GOOGAlphabet Inc.Stock75,969$219.8M0.9%+2,550+3.5%AddedHistory
BACBank of America CorpStock4,297,640$191.2M0.8%+35,461+0.8%AddedHistory
Pioneer Nat Res Co723787AP2NOTE 0.250% 5/1–$182.6M0.7%–––
MongoDB, Inc.60937PAD8NOTE 0.250% 1/1–$179.1M0.7%–––
Palo Alto Networks Inc697435AD7NOTE 0.750% 7/0–$176.9M0.7%–––
Broadcom Inc.11135F200COM81,590$169.3M0.7%+81,590New–
JPMJPMorgan Chase & CoStock1,047,784$165.9M0.7%−179,722−14.6%ReducedHistory
VVisa Inc.Stock753,126$163.2M0.7%+3,174+0.4%AddedHistory
HDHome Depot, Inc.Stock391,203$162.4M0.7%+47,145+13.7%AddedHistory
TSLATesla, Inc.Stock140,042$148.0M0.6%+13,879+11.0%AddedHistory
Sea Ltd81141RAG5NOTE 0.250% 9/1–$145.2M0.6%–––
Workday, Inc.98138HAF8NOTE 0.250%10/0–$141.7M0.6%–––
Avantor, Inc.05352A2096.25 PFD CNV SR1,086,642$140.4M0.6%+1,086,642New–
LLYEli Lilly & CoStock486,387$134.3M0.5%+28,041+6.1%AddedHistory
CRMSalesforce, Inc.Stock510,311$129.7M0.5%−16,555−3.1%ReducedHistory
Danaher Corp2358513004.75 MND CV PFD58,517$128.4M0.5%+58,517New–
AMATApplied Materials IncStock775,561$122.0M0.5%−117,312−13.1%ReducedHistory
Southwest Airls Co844741BG2NOTE 1.250% 5/0–$119.7M0.5%–––
NKENIKE, Inc.Stock694,747$115.8M0.5%+78,561+12.7%AddedHistory
TMOThermo Fisher Scientific Inc.Stock172,685$115.2M0.5%+40,532+30.7%AddedHistory
JNJJohnson & JohnsonStock670,209$114.7M0.5%−60,871−8.3%ReducedHistory
Nextera Energy Inc65339F796UNIT 09/01/2022S1,674,349$114.0M0.5%−1,193−0.1%Reduced–
Aptiv PLCG6095L1175.5% CNV PFD A605,771$111.5M0.4%+605,771New–
NFLXNetflix IncStock183,563$110.6M0.4%+14,611+8.6%AddedHistory
Dick's Sporting Goods, Inc.253393AD4NOTE 3.250% 4/1–$108.1M0.4%–––
Silicon Laboratories Inc.826919AD4NOTE 0.625% 6/1–$106.3M0.4%–––
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$105.6M0.4%–––
DISWalt Disney CoStock675,719$104.7M0.4%−96,260−12.5%ReducedHistory
Bill Com Hldgs Inc090043AB6NOTE 12/0–$103.0M0.4%–New–
PGProcter & Gamble CoStock628,028$102.7M0.4%−9,801−1.5%ReducedHistory
WFCWells Fargo & CompanyStock2,116,688$101.6M0.4%+362,541+20.7%AddedHistory
LINLinde PLCSHS290,063$100.5M0.4%−17,356−5.6%ReducedHistory
Vail Resorts Inc91879QAN9NOTE 1/0–$99.6M0.4%–New–
CSXCSX CorpStock2,623,305$98.6M0.4%−111,329−4.1%ReducedHistory
ACNAccenture plcStock236,664$98.1M0.4%−9,039−3.7%ReducedHistory
CVXChevron CorpStock835,028$98.0M0.4%+2,973+0.4%AddedHistory
Royal Caribbean Group780153BB7NOTE 4.250% 6/1–$97.8M0.4%–––
RTXRTX CorpStock1,133,889$97.6M0.4%+148,365+15.1%AddedHistory
BRK.BBerkshire Hathaway IncStock325,728$97.4M0.4%−57,880−15.1%ReducedHistory
Okta, Inc.679295AD7NOTE 0.125% 9/0–$96.3M0.4%–––
Snap Inc83304AAB2NOTE 0.750% 8/0–$95.9M0.4%–––
ADBEAdobe Inc.Stock166,316$94.3M0.4%−30,741−15.6%ReducedHistory
Microchip Technology Inc595017AU8NOTE 0.125%11/1–$91.9M0.4%–––
PFEPfizer IncStock1,550,031$91.5M0.4%−17,159−1.1%ReducedHistory
Zscaler, Inc.98980GAB8NOTE 0.125% 7/0–$91.4M0.4%–––
HONHoneywell International IncCOM437,916$91.3M0.4%+17,595+4.2%AddedHistory
UNPUnion Pacific CorpStock362,418$91.3M0.4%−83,380−18.7%ReducedHistory
KOCoca Cola CoStock1,524,938$90.3M0.4%−122,107−7.4%ReducedHistory
WMTWalmart Inc.Stock614,744$88.9M0.4%+12,774+2.1%AddedHistory
CSCOCisco Systems, Inc.Stock1,398,678$88.6M0.4%−5,060−0.4%ReducedHistory
Twitter, Inc.90184LAF9NOTE 0.250% 6/1–$88.5M0.4%–––
Omnicell Com68213NAD1NOTE 0.250% 9/1–$86.5M0.3%–––
Zendesk, Inc.98936JAD3NOTE 0.625% 6/1–$86.3M0.3%–––
Coupa Software Inc22266LAF3NOTE 0.375% 6/1–$86.2M0.3%–––
MAMastercard IncStock236,730$85.1M0.3%−65,871−21.8%ReducedHistory
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$84.3M0.3%–––
COSTCostco Wholesale CorpStock148,164$84.1M0.3%+2,574+1.8%AddedHistory
Insulet Corp45784PAK7NOTE 0.375% 9/0–$82.1M0.3%–––
Uber Technologies, Inc90353TAJ9NOTE 12/1–$79.9M0.3%–New–
GSGoldman Sachs Group IncStock207,254$79.3M0.3%+4,340+2.1%AddedHistory
PYPLPayPal Holdings, Inc.Stock412,119$77.7M0.3%+5,962+1.5%AddedHistory
Teradyne, Inc880770AG7NOTE 1.250%12/1–$77.5M0.3%–––
MSMorgan StanleyStock788,450$77.4M0.3%−117,183−12.9%ReducedHistory
DHRDanaher CorpStock233,245$76.7M0.3%+70,044+42.9%AddedHistory
Etsy Inc29786AAJ5NOTE 0.125%10/0–$76.6M0.3%–––
Square Inc852234AD5NOTE 0.500% 5/1–$75.8M0.3%–––
Dexcom Inc252131AK3NOTE 0.250%11/1–$75.1M0.3%–––
ABBVAbbVie Inc.Stock546,653$74.0M0.3%+15,202+2.9%AddedHistory
Nice Sys Inc65366HAB9NOTE 1.250% 1/1–$73.6M0.3%–––
Zynga Inc98986TAB4NOTE 0.250% 6/0–$71.8M0.3%–––
ABTAbbott LaboratoriesStock508,171$71.5M0.3%+12,119+2.4%AddedHistory
CMCSAComcast CorpStock1,417,620$71.3M0.3%−5,504−0.4%ReducedHistory
Jazz Investments I Ltd472145AF8NOTE 2.000% 6/1–$69.6M0.3%–––
LOWLowes Companies IncStock266,649$68.9M0.3%−15,254−5.4%ReducedHistory
AES Corp00130H204UNIT 99/99/9999704,029$67.6M0.3%+35,734+5.3%Added–
Okta, Inc.679295AF2NOTE 0.375% 6/1–$66.4M0.3%–––
Etsy Inc29786AAL0NOTE 0.125% 9/0–$66.1M0.3%–––
XOMExxonMobil Holdings CorpCOM1,060,434$64.9M0.3%−38,131−3.5%ReducedHistory
MDLZMondelez International, Inc.Stock974,681$64.6M0.3%+109,852+12.7%AddedHistory
Datadog, Inc.23804LAB9NOTE 0.125% 6/1–$64.3M0.3%–––
AVGOBroadcom Inc.Stock96,448$64.2M0.3%+3,726+4.0%AddedHistory
KKR and Co Inc 6 McOnv PFD C48251W401CONVERTIBLE PREFERRED STOCK676,756$63.0M0.3%+676,756New–
MCDMcDonalds CorpStock235,033$63.0M0.3%−12,899−5.2%ReducedHistory
Stanley Black & Decker, Inc.854502846UNIT 11/15/2022570,853$62.3M0.3%−120,575−17.4%Reduced–
NOWServiceNow, Inc.Stock95,973$62.3M0.3%+29,463+44.3%AddedHistory
PEPPepsiCo IncStock353,940$61.5M0.2%−52,234−12.9%ReducedHistory
MRKMerck & Co., Inc.Stock799,178$61.2M0.2%−10,590−1.3%ReducedHistory
BMYBristol Myers Squibb CoStock980,076$61.1M0.2%+39,711+4.2%AddedHistory
Nextera Energy Inc65339F739UNIT 99/99/99991,055,089$61.1M0.2%−789−0.1%Reduced–
MRSHMarsh & McLennan Companies, Inc.Stock348,131$60.5M0.2%−5,685−1.6%ReducedHistory
Akamai Technologies Inc00971TAJ0NOTE 0.125% 5/0–$60.4M0.2%–––

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 Q4 2021
SecurityClassPutsCalls
SPYSPDR S&P 500 ETF TrustETF$364.0M$111.0M
Invesco QQQ Trust Series I46090E103ETF$370.3M$39.1M
TSLATesla, Inc.Stock$316.5M–
iShares Tr464287234MSCI EMG MKT ETF$120.3M$15.6M
iShares Russell 2000 ETF464287655ETF–$71.2M
iShares Tr46428743220 YR TR BD ETF$71.1M–
NVDANVIDIA CorpStock$14.7M$36.8M
GOOGLAlphabet Inc.Stock–$41.1M
SNAPSnap IncStock$33.6M–
iShares Tr464287184CHINA LG-CAP ETF–$27.5M
U.S. Global Jets ETF26922A842ETF–$24.5M
iShares Inc464286772MSCI STH KOR ETF–$20.3M
LUVSouthwest Airlines CoCOM–$16.8M
TWLOTwilio IncCL A$7.64M$8.95M
LOWLowes Companies IncStock–$15.5M
iShares MSCI India ETF46429B598ETF$13.7M–
MUMicron Technology IncStock–$12.6M
NFLXNetflix IncStock–$11.1M
XOMExxonMobil Holdings CorpCOM–$10.4M
DBX ETF Tr233051879XTRACK HRVST CSI–$10.4M
HZNPHorizon Therapeutics Public Ltd CoSHS–$9.48M
SESea LtdSPONSORD ADS–$8.90M
TSMTaiwan Semiconductor Manufacturing Co LtdADR–$7.46M
BKRBaker Hughes CoCL A–$7.46M
BABoeing CoStock–$6.95M
NOWServiceNow, Inc.Stock–$6.95M
AMZNAmazon Com IncStock–$6.67M
BBDBank BradescoSP ADR PFD NEW–$5.13M
NMRNomura Holdings IncSPONSORED ADR–$1.00M

Sold out since Q3 2021 (100)

Positions held at the end of Q3 2021 that are gone from this filing.

Positions of Calamos Advisors LLC sold out since Q3 2021
SecurityClassShares in Q3 2021Value in Q3 2021% of portfolio in Q3 2021History
NCL Corp Ltd62886HAT8NOTE 6.000% 5/1–$78.8M0.4%–
NCL Corp Ltd62886HAX9NOTE 5.375% 8/0–$28.1M0.1%–
Teladoc Health, Inc.87918AAF2NOTE 1.250% 6/0–$23.5M0.1%–
AZNAstraZeneca PLCSPONSORED ADR296,907$17.8M0.1%History
LendingTree, Inc.52603BAA5NOTE 0.625% 6/0–$12.5M0.1%–
CPAYCorpay, Inc.COM45,526$11.9M0.1%History
Perficient Inc71375UAD3NOTE 1.250% 8/0–$11.3M0.1%–
State Street SPDR S&P Regional Banking ETF78464A698ETF160,000$10.8M0.1%–
PPDPPD, Inc.COM197,062$9.22M<0.1%History
CSTLCastle Biosciences IncCOM131,984$8.78M<0.1%History
Royal Dutch Shell PLC780259206SPONS ADR A177,000$7.89M<0.1%–
SWKSSkyworks Solutions, Inc.Stock44,000$7.25M<0.1%History
CUTRCutera IncCOM148,764$6.93M<0.1%History
ZENZendesk, Inc.COM59,013$6.87M<0.1%History
CAECae IncCOM216,495$6.47M<0.1%History
SMARSmartsheet IncCOM CL A88,852$6.12M<0.1%History
STAAStaar Surgical CoCOM PAR $0.0145,599$5.86M<0.1%History
FIGSFIGS, Inc.CL A136,191$5.06M<0.1%History
Magnum Opus Acquisition LtdG5S70A120UNIT 06/03/2026465,084$4.89M<0.1%–
Corsair Partnering CorpG2540H124UNIT 99/99/9999500,027$4.86M<0.1%–
XYZBlock, Inc.CL A19,697$4.72M<0.1%History
Intercept Pharmaceuticals IN45845PAA6NOTE 3.250% 7/0–$4.54M<0.1%–
NTRANatera, Inc.COM40,169$4.48M<0.1%History
Growth Cap Acquisition Corp39986V206UNIT 06/01/2027401,201$4.17M<0.1%–
VCELVericel CorpCOM84,765$4.14M<0.1%History
HRCHill-Rom Holdings, Inc.COM26,500$3.98M<0.1%History
Athena Technology Acquisi Co04687A109COM CLASS A400,000$3.97M<0.1%–
SNAPSnap IncStock53,210$3.93M<0.1%History
TMDXTransMedics Group, Inc.COM118,141$3.91M<0.1%History
WYNNWynn Resorts LtdCOM45,112$3.82M<0.1%History
FOURShift4 Payments, Inc.CL A47,606$3.69M<0.1%History
BYRNByrna Technologies Inc.COM NEW168,408$3.68M<0.1%History
SMCISuper Micro Computer, Inc.COM99,629$3.64M<0.1%History
ESTAEstablishment Labs Holdings Inc.COM48,667$3.48M<0.1%History
MMSIMerit Medical Systems IncCOM47,532$3.41M<0.1%History
LIVNLivaNova PLCSHS40,368$3.20M<0.1%History
CLDRCloudera, Inc.COM200,000$3.19M<0.1%History
SRESempraStock25,060$3.17M<0.1%History
ORGOOrganogenesis Holdings Inc.COM218,895$3.12M<0.1%History
SGRYSurgery Partners, Inc.Stock62,398$2.64M<0.1%History
KDMNKadmon Holdings, Inc.COM276,111$2.40M<0.1%History
RNGRingCentral, Inc.CL A11,042$2.40M<0.1%History
Atlantic Coastal Acquistn Co048453203UNIT 03/02/2026240,000$2.37M<0.1%–
LSPDLightspeed Commerce Inc.SUB VTG SHS23,986$2.31M<0.1%History
RYMRYTHM, Inc.COM121,806$2.26M<0.1%History
Nextgen Acquisition Corp IIG65317110UNIT 03/23/2026217,734$2.24M<0.1%–
CDNACareDx, Inc.COM35,134$2.23M<0.1%History
VPC Impact Acqu Holdi III IN91835J207UNIT 99/99/9999200,000$2.04M<0.1%–
EJF Acquisition Corp.G2955B117UNIT 03/10/2026175,000$1.82M<0.1%–
PHRPhreesia, Inc.COM28,945$1.79M<0.1%History
M3-Brigade Acquisition II Corp.553800202UNIT 99/99/9999150,000$1.55M<0.1%–
MGNIMagnite, Inc.COM52,468$1.47M<0.1%History
NEXNNexxen International Ltd.ADS78,371$1.45M<0.1%History
XPOXPO, Inc.COM15,948$1.27M<0.1%History
DKNGDraftKings Inc.COM CL A23,660$1.14M<0.1%History
Spartan Acquisition Corp. III84677R205UNIT 99/99/9999100,000$1.02M<0.1%–
Waldencast Acquisition CorpG9460C126UNIT 03/11/2026100,000$1.01M<0.1%–
Quantum Fintech Acquistin Co74767A204UNIT 10/30/2026100,000$1.01M<0.1%–
Isos Acquisition CorporationG4962C112SHARES CL A99,503$993.0K<0.1%–
VPC Impact Acquisition HldgG9460L100UNIT 03/05/2026100,000$990.0K<0.1%–
Decarbonization Plus Acqu II242794105COM CL A100,000$989.0K<0.1%–
UPWKUpwork, IncCOM21,927$988.0K<0.1%History
CHGGChegg, IncCOM13,787$938.0K<0.1%History
SMWBSimilarweb Ltd.SHS39,710$831.0K<0.1%History
DLOdLocal LtdCLASS A COM14,200$775.0K<0.1%History
RDNTRadNet, Inc.COM25,360$743.0K<0.1%History
Supernova Partners AcquistnG8T86C113UNIT 99/99/999970,000$695.0K<0.1%–
FIVEFive Below, IncCOM3,859$682.0K<0.1%History
ONOn Semiconductor CorpStock14,753$675.0K<0.1%History
Rice Acquisition Corp IIG75529118UNIT 99/99/999965,000$670.0K<0.1%–
CF Acquisition Corp VIII12520C208UNIT 03/31/202850,000$507.0K<0.1%–
First Reserve Sustainable GW336169206UNIT 03/05/202650,000$503.0K<0.1%–
CC Neuberger Principal HoldnG1992N118UNIT 99/99/999950,000$498.0K<0.1%–
ACCDAccolade, Inc.COM11,658$492.0K<0.1%History
TLSTelos CorpCOM16,433$467.0K<0.1%History
Reinvent Technology PartnersG7484L114UNIT 03/12/202640,000$404.0K<0.1%–
Gores Technology Partners II38287L206UNIT 03/16/202840,000$400.0K<0.1%–
NWLNewell Brands Inc.Stock17,525$388.0K<0.1%History
FACA.UFigure Acquisition Corp. IUNIT 99/99/999940,000$384.0K<0.1%History
Proofpoint Inc743424AF0NOTE 0.250% 8/1–$362.0K<0.1%–
Broadscale Acquisition Corp11134Y200UNIT 02/02/202630,000$297.0K<0.1%–
CF Acquisition Corp V12520R205UNIT 01/25/202625,000$254.0K<0.1%–
G Squared Ascend I IncG4204R125UNIT 99/99/999925,000$252.0K<0.1%–
Liberty Media Acquisition Corp53073L203UNIT 01/22/202620,000$207.0K<0.1%–
Schwab International Equity ETF808524805ETF5,186$201.0K<0.1%–
Ecp Environmental GW Opt Cor26829T209UNIT 03/01/202620,000$201.0K<0.1%–
Gores Technology Partners IN382870202UNIT 03/16/202820,000$200.0K<0.1%–
Ion Acquisition Corp 2 LtdG49393120UNIT 99/99/999920,000$200.0K<0.1%–
Gores Hldgs VIII Inc382863207UNIT 02/01/202820,000$199.0K<0.1%–
Ushg Acquisition Corp91748P209UNIT 99/99/999920,000$199.0K<0.1%–
XGNExagen Inc.COM11,768$160.0K<0.1%History
Direct Selling Acquisitin Co25460L202UNIT 99/99/999915,000$151.0K<0.1%–
FTAC Athena Acquisition Corp.G37283127UNIT 99/99/999910,000$102.0K<0.1%–
Alpha Capital Acquisition CoG0316P114UNIT 02/16/202610,000$101.0K<0.1%–
Queens Gambit Growth CapitalG7315C127UNIT 01/19/202610,000$101.0K<0.1%–
Climate Real Impact Slutins187171202UNIT 99/99/999910,000$100.0K<0.1%–
FS Development Corp II30318F100COM CL A10,000$100.0K<0.1%–
Isos Acquisition CorporationG4962C104*W EXP 03/01/20233,167$46.0K<0.1%–
CFMSConformis IncCOM20,000$27.0K<0.1%History
Cinemark Hldgs Inc17243VAB8NOTE 4.500% 8/1–$22.0K<0.1%–