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Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

Holdings in Q3 2021

Holdings as of Sep 30, 2021, filed Oct 26, 2021. Long positions only; changes compare share counts with Q2 2021.

Institution overview
Positions
948
+29 vs. Q2 2021
Portfolio value
$21.2B
+$1.06B (+5.3%) vs. Q2 2021
Filed
Oct 26, 2021
SEC
Holdings of Calamos Advisors LLC in Q3 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
MSFTMicrosoft CorpStock3,006,056$847.5M4.0%+143,497+5.0%AddedHistory
AAPLApple Inc.Stock5,461,823$772.8M3.6%+240,441+4.6%AddedHistory
AMZNAmazon Com IncStock173,047$568.5M2.7%+10,018+6.1%AddedHistory
METAMeta Platforms, Inc.Stock1,161,499$394.2M1.9%+53,002+4.8%AddedHistory
Tesla, Inc.88160RAG6NOTE 2.000% 5/1–$387.2M1.8%–––
GOOGLAlphabet Inc.Stock139,038$371.7M1.8%+3,858+2.9%AddedHistory
SPYSPDR S&P 500 ETF TrustETF690,021$296.1M1.4%−535,483−43.7%ReducedHistory
NVDANVIDIA CorpStock1,294,374$268.1M1.3%−37,146−2.8%ReducedConverted for a 4-for-1 splitHistory
JPMJPMorgan Chase & CoStock1,227,506$200.9M0.9%+63,011+5.4%AddedHistory
GOOGAlphabet Inc.Stock73,419$195.7M0.9%+5,539+8.2%AddedHistory
BACBank of America CorpStock4,262,179$180.9M0.9%+474,772+12.5%AddedHistory
UNHUnitedHealth Group IncStock444,740$173.8M0.8%+10,847+2.5%AddedHistory
VVisa Inc.Stock749,952$167.1M0.8%+49,371+7.0%AddedHistory
MongoDB, Inc.60937PAD8NOTE 0.250% 1/1–$165.6M0.8%–––
Palo Alto Networks Inc697435AD7NOTE 0.750% 7/0–$153.5M0.7%–––
Pioneer Nat Res Co723787AP2NOTE 0.250% 5/1–$148.1M0.7%–––
Snap Inc83304AAB2NOTE 0.750% 8/0–$144.4M0.7%–––
CRMSalesforce, Inc.Stock526,866$142.9M0.7%+62,636+13.5%AddedHistory
Southwest Airls Co844741BG2NOTE 1.250% 5/0–$134.1M0.6%–––
DISWalt Disney CoStock771,979$130.6M0.6%+15,186+2.0%AddedHistory
Workday, Inc.98138HAF8NOTE 0.250%10/0–$130.5M0.6%–––
Royal Caribbean Group780153BB7NOTE 4.250% 6/1–$124.0M0.6%–New–
JNJJohnson & JohnsonStock731,080$118.1M0.6%+48,943+7.2%AddedHistory
Sea Ltd81141RAF7NOTE 2.375%12/0–$117.2M0.6%–––
AMATApplied Materials IncStock892,873$114.9M0.5%−162,446−15.4%ReducedHistory
ADBEAdobe Inc.Stock197,057$113.5M0.5%+40,696+26.0%AddedHistory
HDHome Depot, Inc.Stock344,058$112.9M0.5%+22,005+6.8%AddedHistory
Square Inc852234AD5NOTE 0.500% 5/1–$111.9M0.5%–––
LLYEli Lilly & CoStock458,346$105.9M0.5%−7,972−1.7%ReducedHistory
PYPLPayPal Holdings, Inc.Stock406,157$105.7M0.5%+9,247+2.3%AddedHistory
Dick's Sporting Goods, Inc.253393AD4NOTE 3.250% 4/1–$105.4M0.5%–––
MAMastercard IncStock302,601$105.2M0.5%+15,908+5.5%AddedHistory
BRK.BBerkshire Hathaway IncStock383,608$104.7M0.5%+33,849+9.7%AddedHistory
NFLXNetflix IncStock168,952$103.1M0.5%+8,946+5.6%AddedHistory
Okta, Inc.679295AD7NOTE 0.125% 9/0–$100.6M0.5%–––
Nextera Energy Inc65339F796UNIT 09/01/2022S1,675,542$98.2M0.5%−20,787−1.2%Reduced–
TSLATesla, Inc.Stock126,163$97.8M0.5%+13,690+12.2%AddedHistory
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$92.3M0.4%–––
Zendesk, Inc.98936JAD3NOTE 0.625% 6/1–$91.8M0.4%–––
Sea Ltd81141RAG5NOTE 0.250% 9/1–$91.3M0.4%–New–
LINLinde PLCSHS307,419$90.2M0.4%+13,518+4.6%AddedHistory
Zscaler, Inc.98980GAB8NOTE 0.125% 7/0–$90.0M0.4%–New–
NKENIKE, Inc.Stock616,186$89.5M0.4%+22,191+3.7%AddedHistory
HONHoneywell International IncCOM420,321$89.2M0.4%−5,767−1.4%ReducedHistory
PGProcter & Gamble CoStock637,829$89.2M0.4%+38,237+6.4%AddedHistory
MSMorgan StanleyStock905,633$88.1M0.4%+35,078+4.0%AddedHistory
Coupa Software Inc22266LAF3NOTE 0.375% 6/1–$87.6M0.4%–––
UNPUnion Pacific CorpStock445,798$87.4M0.4%+16,192+3.8%AddedHistory
Insulet Corp45784PAK7NOTE 0.375% 9/0–$86.5M0.4%–––
KOCoca Cola CoStock1,647,045$86.4M0.4%+78,042+5.0%AddedHistory
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$84.8M0.4%–––
RTXRTX CorpStock985,524$84.7M0.4%+5,835+0.6%AddedHistory
CVXChevron CorpStock832,055$84.4M0.4%+30,527+3.8%AddedHistory
WMTWalmart Inc.Stock601,970$83.9M0.4%+8,205+1.4%AddedHistory
Microchip Technology Inc595017AU8NOTE 0.125%11/1–$83.6M0.4%–––
Twitter, Inc.90184LAF9NOTE 0.250% 6/1–$83.0M0.4%–––
WFCWells Fargo & CompanyStock1,754,147$81.4M0.4%+33,305+1.9%AddedHistory
CSXCSX CorpStock2,734,634$81.3M0.4%+133,286+5.1%AddedHistory
CMCSAComcast CorpStock1,423,124$79.6M0.4%+89,151+6.7%AddedHistory
NCL Corp Ltd62886HAT8NOTE 6.000% 5/1–$78.8M0.4%–––
ACNAccenture plcStock245,703$78.6M0.4%+12,389+5.3%AddedHistory
Silicon Laboratories Inc.826919AD4NOTE 0.625% 6/1–$78.0M0.4%–––
GSGoldman Sachs Group IncStock202,914$76.7M0.4%+745+0.4%AddedHistory
CSCOCisco Systems, Inc.Stock1,403,738$76.4M0.4%+103,729+8.0%AddedHistory
TMOThermo Fisher Scientific Inc.Stock132,153$75.5M0.4%+35,890+37.3%AddedHistory
Dexcom Inc252131AK3NOTE 0.250%11/1–$75.5M0.4%–––
Omnicell Com68213NAD1NOTE 0.250% 9/1–$73.1M0.3%–New–
Etsy Inc29786AAJ5NOTE 0.125%10/0–$72.9M0.3%–––
Stanley Black & Decker, Inc.854502846UNIT 11/15/2022691,428$72.8M0.3%−33,519−4.6%Reduced–
Jazz Investments I Ltd472145AF8NOTE 2.000% 6/1–$71.2M0.3%–––
Zynga Inc98986TAB4NOTE 0.250% 6/0–$70.9M0.3%–––
Datadog, Inc.23804LAB9NOTE 0.125% 6/1–$68.3M0.3%–––
Okta, Inc.679295AF2NOTE 0.375% 6/1–$68.3M0.3%–––
Nice Sys Inc65366HAB9NOTE 1.250% 1/1–$68.3M0.3%–––
PFEPfizer IncStock1,567,190$67.4M0.3%+177,387+12.8%AddedHistory
Wayfair Inc.94419LAD3NOTE 1.125%11/0–$67.1M0.3%–––
COSTCostco Wholesale CorpStock145,590$65.4M0.3%+23,031+18.8%AddedHistory
Colony Starwood Homes19625XAB8NOTE 3.500% 1/1–$65.3M0.3%–––
Etsy Inc29786AAL0NOTE 0.125% 9/0–$65.0M0.3%–New–
MDTMedtronic plcStock517,721$64.9M0.3%+55,870+12.1%AddedHistory
Wayfair Inc.94419LAF8NOTE 1.000% 8/1–$64.9M0.3%–––
XOMExxonMobil Holdings CorpCOM1,098,565$64.6M0.3%+106,323+10.7%AddedHistory
AES Corp00130H204UNIT 99/99/9999668,295$64.4M0.3%+298,856+80.9%Added–
Sea Ltd81141RAD2NOTE 1.000%12/0–$63.6M0.3%–––
Wayfair Inc.94419LAM3NOTE 0.625%10/0–$61.7M0.3%–New–
PEPPepsiCo IncStock406,174$61.1M0.3%+25,321+6.6%AddedHistory
MRKMerck & Co., Inc.Stock809,768$60.8M0.3%+50,329+6.6%AddedHistory
MCDMcDonalds CorpStock247,932$59.8M0.3%+16,311+7.0%AddedHistory
ABTAbbott LaboratoriesStock496,052$58.6M0.3%+81,836+19.8%AddedHistory
PAYCPaycom Software, Inc.Stock117,426$58.2M0.3%−25,050−17.6%ReducedHistory
ABBVAbbVie Inc.Stock531,451$57.3M0.3%+62,014+13.2%AddedHistory
LOWLowes Companies IncStock281,903$57.2M0.3%+18,706+7.1%AddedHistory
BMYBristol Myers Squibb CoStock940,365$55.6M0.3%+143,994+18.1%AddedHistory
CCitigroup IncStock792,023$55.6M0.3%+39,371+5.2%AddedHistory
Colfax Corp194014205UNIT 01/15/2022T293,520$54.8M0.3%−10,000−3.3%Reduced–
ALCAlcon IncStock677,016$54.5M0.3%+2,995+0.4%AddedHistory
Neogenomics Inc64049MAB6NOTE 0.250% 1/1–$54.0M0.3%–––
Nextera Energy Inc65339F739UNIT 99/99/99991,055,878$54.0M0.3%−200.0%Reduced–
MRSHMarsh & McLennan Companies, Inc.Stock353,816$53.6M0.3%+13,715+4.0%AddedHistory
Teradyne, Inc880770AG7NOTE 1.250%12/1–$52.0M0.2%–––

Options (33)

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 Q3 2021
SecurityClassPutsCalls
SPYSPDR S&P 500 ETF TrustETF$556.9M$36.0M
Invesco QQQ Trust Series I46090E103ETF$265.4M$35.2M
TSLATesla, Inc.Stock$162.8M$12.4M
SESea LtdSPONSORD ADS$140.6M$6.15M
iShares Russell 2000 ETF464287655ETF$66.5M–
SNAPSnap IncStock$52.8M–
State Street Technology Select Sector SPDR ETF81369Y803ETF$40.0M–
GOOGLAlphabet Inc.Stock–$38.0M
RGENRepligen CorpCOM$36.7M–
iShares Tr464287184CHINA LG-CAP ETF–$29.9M
U.S. Global Jets ETF26922A842ETF–$18.6M
AMZNAmazon Com IncStock$9.53M$6.57M
iShares Inc46434G822MSCI JAPAN ETF–$15.3M
FISFidelity National Information Services, Inc.Stock–$14.1M
iShares Tr464287234MSCI EMG MKT ETF$13.8M–
State Street Financial Select Sector SPDR ETF81369Y605ETF–$13.5M
UPSTUpstart Holdings, Inc.COM$13.4M–
ADBEAdobe Inc.Stock–$13.2M
NOWServiceNow, Inc.Stock–$13.1M
PLANAnaplan, Inc.COM–$12.7M
iShares MSCI India ETF46429B598ETF$12.1M–
ARK Innovation ETF00214Q104ETF$11.1M–
ZENZendesk, Inc.COM–$10.3M
DBX ETF Tr233051879XTRACK HRVST CSI–$10.1M
BABAAlibaba Group Holding LtdADR–$9.19M
ITUBItau Unibanco Holding S.A.SPON ADR REP PFD–$9.17M
METAMeta Platforms, Inc.Stock$8.48M–
VanEck Vectors ETF Tr92189F403RUSSIA ETF–$6.22M
NKENIKE, Inc.Stock$5.52M–
SHOPShopify Inc.Stock$5.02M–
Royal Dutch Shell PLC780259206SPONS ADR A–$3.97M
UMCUnited Microelectronics CorpSPON ADR NEW–$1.51M
NMRNomura Holdings IncSPONSORED ADR–$1.04M

Sold out since Q2 2021 (99)

Positions held at the end of Q2 2021 that are gone from this filing.

Positions of Calamos Advisors LLC sold out since Q2 2021
SecurityClassShares in Q2 2021Value in Q2 2021% of portfolio in Q2 2021History
Micron Technology Inc595112AX1NOTE 3.125% 5/0–$148.7M0.7%–
Priceline Grp Inc741503AX4NOTE 0.900% 9/1–$34.0M0.2%–
ALXNAlexion Pharmaceuticals, Inc.COM169,936$31.2M0.2%History
Twitter, Inc.90184LAD4NOTE 1.000% 9/1–$23.0M0.1%–
WDAYWorkday, Inc.CL A80,558$19.2M0.1%History
Nuance Communications, Inc.67020YAG5DEBT 1.500%11/0–$18.0M0.1%–
iShares MSCI Eafe ETF464287465ETF195,550$15.4M0.1%–
International FLAVORS&FRAGRA459506309UNIT 09/15/2021264,706$13.4M0.1%–
DTEDte Energy CoCOM99,075$12.8M0.1%History
WORKSlack Technologies, Inc.COM CL A253,600$11.2M0.1%History
KSUKansas City SouthernCOM NEW37,351$10.6M0.1%History
Nutanix, Inc.67059NAB4NOTE 1/1–$10.6M0.1%–
iQIYI, Inc.46267XAB4NOTE 3.750%12/0–$7.58M<0.1%–
TRUTransUnionCOM66,900$7.35M<0.1%History
UALUnited Airlines Holdings, Inc.COM132,000$6.90M<0.1%History
STXSStereotaxis, Inc.COM NEW660,818$6.37M<0.1%History
MXIMMaxim Integrated Products IncCOM60,000$6.32M<0.1%History
CDMOAvid Bioservices, Inc.COM237,459$6.09M<0.1%History
STIMNeuronetics, Inc.COM363,468$5.82M<0.1%History
SHAKShake Shack Inc.CL A52,838$5.66M<0.1%History
GRWGGrowGeneration Corp.COM111,170$5.35M<0.1%History
Athena Technology Acquisi Co04687A208UNIT 99/99/9999500,000$4.99M<0.1%–
NGVTIngevity CorpCOM59,200$4.82M<0.1%History
Heritage Ins Hldgs Inc42727JAB8CONVERTIBLE BOND–$4.81M<0.1%–
Radius Health, Inc.750469AA6NOTE 3.000% 9/0–$4.64M<0.1%–
ICHRIchor Holdings, Ltd.SHS84,224$4.53M<0.1%History
PRTSCarParts.com, Inc.COM221,391$4.51M<0.1%History
PRAHPRA Health Sciences, Inc.COM26,500$4.38M<0.1%History
ABGAsbury Automotive Group IncCOM25,496$4.37M<0.1%History
AEISAdvanced Energy Industries IncCOM36,112$4.07M<0.1%History
LENLennar CorpCL A38,550$3.83M<0.1%History
MGPMGM Growth Properties LLCCL A COM104,500$3.83M<0.1%History
ALGTAllegiant Travel COCOM17,674$3.43M<0.1%History
PIIPolaris Inc.Stock25,010$3.42M<0.1%History
MAXMediaAlpha, Inc.CL A80,747$3.40M<0.1%History
PRVAPrivia Health Group, Inc.COM75,350$3.34M<0.1%History
HPHelmerich & Payne, Inc.COM98,296$3.21M<0.1%History
TBHCBrand House Collective, Inc.COM139,950$3.20M<0.1%History
ICADIcad IncCOM NEW183,765$3.18M<0.1%History
AZEKAZEK Co Inc.CL A73,531$3.12M<0.1%History
PRTYParty City Holdco Inc.COM329,526$3.08M<0.1%History
PFPTProofpoint IncCOM17,500$3.04M<0.1%History
JAZZJazz Pharmaceuticals plcSHS USD16,940$3.01M<0.1%History
FIVNFive9, Inc.COM15,690$2.88M<0.1%History
MBUUMalibu Boats, Inc.COM CL A38,637$2.83M<0.1%History
PUBMPubMatic, Inc.COM CL A67,899$2.65M<0.1%History
ATECAlphatec Holdings, Inc.COM NEW172,016$2.63M<0.1%History
Alkuri Global Acquisition Corp.66981N202UNIT 01/01/2028250,000$2.57M<0.1%–
Reinvent Technology PartnersG7483N129CL A250,000$2.50M<0.1%–
Liberty Media Corp530715AG6DEB 4.000%11/1–$2.34M<0.1%–
SKYTSkyWater Technology, LLCCOM78,007$2.23M<0.1%History
SONYSony Group CorpSPONSORED ADR22,844$2.22M<0.1%History
COUPCoupa Software IncCOM8,098$2.12M<0.1%History
HEESH&E Equipment Services, Inc.COM63,057$2.10M<0.1%History
Isos Acquisition CorporationG4962C120UNIT 99/99/9999200,000$2.04M<0.1%–
Gores Guggenheim, Inc.38286Q206UNIT 03/25/2028200,000$2.00M<0.1%–
Soaring Eagle Acquisition CoG8354H126CL A SHS200,000$1.99M<0.1%–
Liberty Media Corp530715AL5DEB 3.750% 2/1–$1.85M<0.1%–
OSWOnespaworld Holdings LtdCOM178,878$1.73M<0.1%History
CDLXCardlytics, Inc.COM11,947$1.52M<0.1%History
HYFMHydrofarm Holdings Group, Inc.COM23,851$1.41M<0.1%History
LINDLindblad Expeditions Holdings, Inc.Stock82,023$1.31M<0.1%History
SIBNSI-BONE, Inc.COM41,704$1.31M<0.1%History
QUOTQuotient Technology Inc.COM121,053$1.31M<0.1%History
INFUInfuSystem Holdings, IncCOM58,665$1.22M<0.1%History
CSSEChicken Soup for the Soul Entertainment, Inc.CL A29,063$1.20M<0.1%History
Huazhu Group Ltd16949NAC3NOTE 0.375%11/0–$1.20M<0.1%–
Iclick Interactive Asia Grou45113Y104SPONSORED ADR104,142$1.15M<0.1%–
TCOMTrip.com Group LtdADS31,700$1.12M<0.1%History
ZLABZai Lab LtdADR6,293$1.11M<0.1%History
EAREargo, Inc.COM26,960$1.08M<0.1%History
Ca Healthcare Acquisition Co12510W206UNIT 12/25/2025100,000$1.03M<0.1%–
Centricus Acquisition CorpG2072Q112UNIT 02/08/2028100,000$1.02M<0.1%–
Lightspeed Pos Inc53227R106SUB VTG SHS11,789$986.0K<0.1%–
OSHOak Street Health, Inc.COM16,305$955.0K<0.1%History
VALEVale S.A.SPONSORED ADS40,000$912.0K<0.1%History
TKNOAlpha Teknova, Inc.COM38,051$902.0K<0.1%History
CHRDChord Energy CorpCOM NEW8,572$862.0K<0.1%History
LUMNLumen Technologies, Inc.Stock63,080$857.0K<0.1%History
SAMBoston Beer Co IncCL A808$825.0K<0.1%History
BMBLBumble Inc.COM CL A13,152$758.0K<0.1%History
WLLWhiting Holdings LLCCOM NEW13,398$731.0K<0.1%History
MMYTMakeMyTrip LtdStock22,645$680.0K<0.1%History
PEGAPegasystems IncCOM4,677$651.0K<0.1%History
SMGScotts Miracle-Gro CoStock3,299$633.0K<0.1%History
SPDR Series Trust78468R622ST BLOO HIGH ETF5,435$598.0K<0.1%–
ZZillow Group, Inc.CL C CAP STK4,297$525.0K<0.1%History
ARCOArcos Dorados Holdings Inc.SHS CLASS -A -86,300$515.0K<0.1%History
GDSGDS Holdings LtdSPONSORED ADS6,549$514.0K<0.1%History
EDREndeavor Group Holdings, Inc.CL A COM18,288$507.0K<0.1%History
Altimar Acquisition Corp IIG03709113UNIT 99/99/999950,000$502.0K<0.1%–
Dmy Technology Group Inc IV23344K201UNIT 99/99/999950,000$501.0K<0.1%–
PDEXPro Dex IncCOM NEW15,199$464.0K<0.1%History
OTLYOatly Group ABSPONSORED ADS18,590$455.0K<0.1%History
FTHMFathom Holdings Inc.COM13,567$445.0K<0.1%History
iShares Tr464288513IBOXX HI YD ETF2,600$229.0K<0.1%–
Power & Digital Infra Acq Co739190205UNIT 99/99/999920,000$202.0K<0.1%–
Pathfinder Acquisition CorpG04119114UNIT 02/17/202610,000$99.0K<0.1%–
PIMFranklin Master Intermediate Income TrustSH BEN INT10,441$44.0K<0.1%History