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Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

Holdings in Q2 2026

Holdings as of Jun 30, 2026, filed Jul 31, 2026. Long positions only; changes compare share counts with Q1 2026.

Institution overview
Positions
942
−202 vs. Q1 2026
Portfolio value
$27.6B
+$1.71B (+6.6%) vs. Q1 2026
Filed
Jul 31, 2026
SEC
Holdings of Calamos Advisors LLC in Q2 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
NVDANVIDIA CorpStock7,059,874$1.41B5.1%−1,125,713−13.8%ReducedHistory
AAPLApple Inc.Stock3,925,539$1.14B4.1%−853,256−17.9%ReducedHistory
Calamos ETF Tr12811T514TAX AWA COLL ETF10,693,254$1.08B3.9%+10,693,254New–
Western Digital Corp958102AT2NOTE 3.000%11/1–$825.1M3.0%–––
MSFTMicrosoft CorpStock2,045,038$762.8M2.8%−330,469−13.9%ReducedHistory
GOOGLAlphabet Inc.Stock2,019,467$721.7M2.6%−538,746−21.1%ReducedHistory
AMZNAmazon Com IncStock2,991,600$713.0M2.6%−414,260−12.2%ReducedHistory
AVGOBroadcom Inc.Stock1,374,612$519.3M1.9%−277,808−16.8%ReducedHistory
METAMeta Platforms, Inc.Stock657,623$370.4M1.3%−73,279−10.0%ReducedHistory
MUMicron Technology IncStock313,454$361.8M1.3%−8,752−2.7%ReducedHistory
LLYEli Lilly & CoStock283,001$339.4M1.2%−25,496−8.3%ReducedHistory
GOOGAlphabet Inc.Stock907,212$320.5M1.2%−94,659−9.4%ReducedHistory
AMDAdvanced Micro Devices IncStock540,770$314.1M1.1%+62,842+13.1%AddedHistory
TSLATesla, Inc.Stock746,440$314.0M1.1%−95,010−11.3%ReducedHistory
GOOGMAlphabet Inc.DEP SHS RP1/20 A4,662,875$237.3M0.9%+4,662,875NewHistory
GOOGNAlphabet Inc.DEP SHS RP1/20 B4,615,868$232.2M0.8%+4,615,868NewHistory
JPMJPMorgan Chase & CoStock708,384$231.9M0.8%−96,552−12.0%ReducedHistory
VVisa Inc.Stock661,467$226.9M0.8%−100,426−13.2%ReducedHistory
Alibaba Group Hldg Ltd01609WBG6NOTE 0.500% 6/0–$223.2M0.8%–––
AMATApplied Materials IncStock303,395$219.4M0.8%−3,695−1.2%ReducedHistory
BA.PABoeing CoDEP CONV PFD A2,754,965$185.4M0.7%−108,127−3.8%ReducedHistory
HPE.PCHewlett Packard Enterprise Co7.625 MAND CONV1,586,652$183.5M0.7%+194,148+13.9%AddedHistory
ORCL.PDOracle Corp6.5 DEP CUM SR D3,976,804$178.8M0.6%−106,666−2.6%ReducedHistory
INTCIntel CorpStock1,268,305$177.1M0.6%+293,357+30.1%AddedHistory
GSGoldman Sachs Group IncStock165,711$167.6M0.6%−5,170−3.0%ReducedHistory
JNJJohnson & JohnsonStock647,222$164.4M0.6%−125,878−16.3%ReducedHistory
CATCaterpillar IncStock150,261$160.0M0.6%+15,578+11.6%AddedHistory
LRCXLam Research CorpStock365,435$158.4M0.6%−47,716−11.5%ReducedHistory
XOMExxonMobil Holdings CorpCOM1,135,866$155.3M0.6%−146,284−11.4%ReducedHistory
WMTWalmart Inc.Stock1,362,951$154.4M0.6%−204,301−13.0%ReducedHistory
MKS Inc55306NAB0NOTE 1.250% 6/0–$149.9M0.5%–––
Snowflake Inc.833445AD1NOTE 10/0–$148.4M0.5%–––
On Semiconductor Corp682189AU9NOTE 0.500% 3/0–$147.7M0.5%–––
GEVGE Vernova Inc.Stock123,656$145.3M0.5%−29,234−19.1%ReducedHistory
CSCOCisco Systems, Inc.Stock1,178,914$138.5M0.5%+20,288+1.8%AddedHistory
UNHUnitedHealth Group IncStock309,379$128.6M0.5%+58,491+23.3%AddedHistory
DoorDash, Inc.25809KAB1NOTE 5/1–$126.4M0.5%–New–
BRK.BBerkshire Hathaway IncStock252,430$126.3M0.5%−21,431−7.8%ReducedHistory
BACBank of America CorpStock2,207,262$125.8M0.5%−83,888−3.7%ReducedHistory
MAMastercard IncStock238,960$122.7M0.4%−9,493−3.8%ReducedHistory
Cloudflare, Inc.18915MAF4NOTE 6/1–$121.0M0.4%–New–
Cyberark Software Ltd23248VAD7NOTE 6/1–$120.7M0.4%–New–
Akamai Technologies Inc00971TAQ4NOTE 0.250% 5/1–$114.3M0.4%–New–
WFCWells Fargo & CompanyStock1,366,153$112.9M0.4%−315,868−18.8%ReducedHistory
MCHPPMicrochip Technology IncDEP SHS REPSTG1,458,634$111.9M0.4%−417,231−22.2%ReducedHistory
PPLCPPL CorpUNIT 02/15/20292,236,184$109.7M0.4%+8270.0%AddedHistory
Rivian Automotive, Inc.76954AAB9NOTE 4.625% 3/1–$108.6M0.4%–––
Uber Technologies, Inc90353TAM2NOTE 0.875%12/0–$107.3M0.4%–––
LINLinde PLCStock206,610$107.2M0.4%−18,661−8.3%ReducedHistory
PMPhilip Morris International Inc.Stock581,825$105.3M0.4%−11,099−1.9%ReducedHistory
SOMNSouthern CoUNIT 12/15/20282,115,625$105.2M0.4%+34,300+1.6%AddedHistory
GEGeneral Electric CoStock277,306$103.6M0.4%−11,629−4.0%ReducedHistory
Datadog, Inc.23804LAD5NOTE 12/0–$103.3M0.4%–––
CCitigroup IncStock735,465$102.9M0.4%+1,854+0.3%AddedHistory
NEE.PVNextera Energy IncUNIT 02/15/20292,125,337$101.9M0.4%−7,635−0.4%ReducedHistory
ABBVAbbVie Inc.Stock399,893$100.6M0.4%−83,777−17.3%ReducedHistory
NFLXNetflix IncStock1,382,807$98.7M0.4%−362,160−20.8%ReducedHistory
HDHome Depot, Inc.Stock264,087$93.1M0.3%−63,962−19.5%ReducedHistory
MSMorgan StanleyStock442,354$92.5M0.3%−93,360−17.4%ReducedHistory
CVXChevron CorpStock555,706$92.1M0.3%−135,620−19.6%ReducedHistory
RTXRTX CorpStock479,675$91.0M0.3%−23,341−4.6%ReducedHistory
Evergy, Inc.30034WAD8NOTE 4.500%12/1–$87.8M0.3%–––
CMS Energy Corp125896BX7NOTE 3.375% 5/0–$85.9M0.3%–––
Etsy Inc29786AAQ9NOTE 1.000% 6/1–$85.2M0.3%–New–
Akamai Technologies Inc00971TAN1NOTE 1.125% 2/1–$84.2M0.3%–––
PANWPalo Alto Networks IncStock245,320$83.7M0.3%−18,858−7.1%ReducedHistory
MRKMerck & Co., Inc.Stock650,503$83.6M0.3%−127,160−16.4%ReducedHistory
Seagate HDD Cayman81180WBL4NOTE 3.500% 6/0–$81.2M0.3%–––
CSXCSX CorpStock1,690,905$80.4M0.3%−30,308−1.8%ReducedHistory
PWRQuanta Services, Inc.COM111,284$80.1M0.3%+2,783+2.6%AddedHistory
SMCIPSuper Micro Computer, Inc.7 DEP CM SR A WI1,513,992$78.7M0.3%+1,513,992NewHistory
KOCoca Cola CoStock965,562$78.5M0.3%−33,645−3.4%ReducedHistory
SNDKSandisk CorpCOM34,206$77.8M0.3%+11,041+47.7%AddedHistory
PLTRPalantir Technologies Inc.Stock664,009$77.5M0.3%−77,645−10.5%ReducedHistory
NSCNorfolk Southern CorpStock242,024$76.1M0.3%−2,535−1.0%ReducedHistory
COSTCostco Wholesale CorpStock80,404$75.2M0.3%−10,602−11.6%ReducedHistory
Apollo Global Mgmt Inc03769M304SER A MAND CNV1,231,216$75.0M0.3%+745+0.1%Added–
Jazz Investments I Ltd472145AH4NOTE 3.125% 9/1–$74.5M0.3%–––
MPCMarathon Petroleum CorpStock290,934$74.4M0.3%−28,225−8.8%ReducedHistory
Southern Co842587ED5NOTE 3.250% 6/1–$71.2M0.3%–New–
KKR.PDKKR & Co. Inc.6.25 CON SER D1,782,560$71.0M0.3%+1,797+0.1%AddedHistory
PGProcter & Gamble CoStock477,265$70.0M0.3%−21,422−4.3%ReducedHistory
UNPUnion Pacific CorpStock254,930$69.3M0.3%−25,849−9.2%ReducedHistory
BTSGUBrightSpring Health Services, Inc.UNIT 02/01/2027301,602$69.1M0.3%+379+0.1%AddedHistory
PPL Cap FDG Inc69352PAS2NOTE 2.875% 3/1–$68.7M0.2%–––
ALB.PAAlbemarle Corp7.25% DEP SHS A1,240,723$68.7M0.2%−7,166−0.6%ReducedHistory
Live Nation Entertainment IN538034BC2NOTE 2.875% 1/1–$67.6M0.2%–––
AXPAmerican Express CoStock197,855$66.9M0.2%−55,261−21.8%ReducedHistory
Rivian Automotive, Inc.76954AAD5NOTE 3.625%10/1–$66.5M0.2%–––
Sea Ltd81141RAG5NOTE 0.250% 9/1–$66.0M0.2%–––
APHAmphenol CorpCL A369,605$65.2M0.2%+72,158+24.3%AddedHistory
LOWLowes Companies IncStock294,838$65.0M0.2%−19,736−6.3%ReducedHistory
KVUEKenvue Inc.Stock3,351,000$64.0M0.2%00.0%UnchangedHistory
ORCLOracle CorpStock432,846$63.4M0.2%+16,765+4.0%AddedHistory
Firstenergy Corp337932AV9NOTE 3.875% 1/1–$61.2M0.2%–New–
TXNTexas Instruments IncStock199,288$59.4M0.2%−52,788−20.9%ReducedHistory
EAElectronic Arts Inc.COM286,928$58.8M0.2%+40,871+16.6%AddedHistory
TMOThermo Fisher Scientific Inc.Stock115,172$57.7M0.2%−24,058−17.3%ReducedHistory
Travere Therapeutics, Inc.89422GAB3NOTE 0.500% 5/1–$57.6M0.2%–New–
FCXFreeport-McMoran IncStock867,662$54.6M0.2%+53,879+6.6%AddedHistory

Options (32)

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 2026
SecurityClassPutsCalls
SPYSPDR S&P 500 ETF TrustETF$810.8M$554.9M
Invesco QQQ Trust Series I46090E103ETF$197.2M$89.5M
iShares MSCI Eafe ETF464287465ETF$70.6M$168.0M
iShares Russell 2000 ETF464287655ETF$94.9M$104.8M
iShares Tr464287234MSCI EMG MKT ETF$68.3M–
iShares Inc464286772MSCI STH KOR ETF$60.9M–
VanEck Semiconductor ETF92189F676ETF–$42.6M
AAPLApple Inc.Stock–$39.4M
WBDWarner Bros. Discovery, Inc.Stock–$32.8M
iShares MSCI India ETF46429B598ETF–$26.7M
MSFTMicrosoft CorpStock–$23.2M
AMZNAmazon Com IncStock–$21.0M
SLViShares Silver TrustETF–$12.3M
METAMeta Platforms, Inc.Stock–$8.18M
SPOTSpotify Technology S.A.Stock–$8.00M
NFLXNetflix IncStock–$6.89M
FCXFreeport-McMoran IncStock–$6.82M
Direxion Shares ETF Trust25459Y207NASDAQ 100 EQ WT–$5.24M
AVGOBroadcom Inc.Stock$4.18M$433.3K
LITELumentum Holdings Inc.COM–$4.22M
SCCOSouthern Copper CorpStock–$4.08M
PANWPalo Alto Networks IncStock–$3.13M
SESea LtdSPONSORD ADS–$2.80M
NVDANVIDIA CorpStock–$1.71M
GOOGLAlphabet Inc.Stock–$1.61M
COSTCostco Wholesale CorpStock–$1.40M
WMTWalmart Inc.Stock–$696.0K
AMDAdvanced Micro Devices IncStock$284.8K$284.8K
TSLATesla, Inc.Stock–$520.5K
PLTRPalantir Technologies Inc.Stock–$409.6K
CSCOCisco Systems, Inc.Stock–$325.9K
TMUST-Mobile US, Inc.Stock–$294.0K

Sold out since Q1 2026 (358)

Positions held at the end of Q1 2026 that are gone from this filing.

The largest 100 of 358 by value last quarter.

Positions of Calamos Advisors LLC sold out since Q1 2026
SecurityClassShares in Q1 2026Value in Q1 2026% of portfolio in Q1 2026History
Wayfair Inc.94419LAR2NOTE 3.500%11/1–$102.8M0.4%–
Duke Energy CORP26441CBY0NOTE 4.125% 4/1–$86.5M0.3%–
Lumentum Hldgs Inc55024UAD1NOTE 0.500%12/1–$84.5M0.3%–
Bloom Energy Corp093712AK3NOTE 3.000% 6/0–$79.1M0.3%–
iShares Tr464287689RUSSELL 3000 ETF153,920$57.1M0.2%–
American WTR Cap Corp03040WBE4NOTE 3.625% 6/1–$55.6M0.2%–
Block, Inc.852234AJ2NOTE 5/0–$40.8M0.2%–
HONHoneywell International IncCOM164,159$37.1M0.1%History
CSG Sys Intl Inc126349AH2NOTE 3.875% 9/1–$36.5M0.1%–
CWANClearwater Analytics Holdings, Inc.CL A1,377,682$32.6M0.1%History
Jazz Investments I Ltd472145AF8NOTE 2.000% 6/1–$31.6M0.1%–
Ventas Rlty Ltd Partnership92277GAZ0NOTE 3.750% 6/0–$26.5M0.1%–
BPBP PLCADR475,000$22.3M0.1%History
John Bean Technologies Corp477839AB0NOTE 0.250% 5/1–$20.1M0.1%–
Snap Inc83304AAH9NOTE 0.125% 3/0–$18.3M0.1%–
iShares MSCI Eafe ETF464287465ETF181,127$17.6M0.1%–
Alphatec Hldgs Inc02081GAD4NOTE 0.750% 3/1–$17.1M0.1%–
iShares Core U.S. Aggregate Bond ETF464287226ETF143,355$14.2M0.1%–
Progress Software Corp743312AB6NOTE 1.000% 4/1–$12.5M<0.1%–
State Street SPDR Bloomberg 1-3 Month T-Bill ETF78468R663ETF129,038$11.8M<0.1%–
Calamos ETF Tr12811T530NASDAQ AUTOCALLL475,423$11.3M<0.1%–
SHIFT4 PMTS Inc82452JAD1NOTE 0.500% 8/0–$10.8M<0.1%–
MCOMoodys CorpStock24,196$10.6M<0.1%History
ZBRAZebra Technologies CorpCL A44,488$9.30M<0.1%History
BAHBooz Allen Hamilton Holding CorpCL A117,000$9.13M<0.1%History
iShares MSCI USA Min Vol Factor ETF46429B697ETF92,811$8.61M<0.1%–
Vanguard S&P 500 ETF922908363ETF14,062$8.40M<0.1%–
SDHIUSiddhi Acquisition Corp (Cayman Islands)UNIT 99/99/9999750,000$7.91M<0.1%History
GTENUGores Holdings X, Inc.UNIT 05/02/2030700,000$7.24M<0.1%History
NETCloudflare, Inc.CL A COM34,768$7.17M<0.1%History
Live Oak Acquisition Corp VG5509P128UNIT 02/20/2030600,000$6.99M<0.1%–
AZNAstraZeneca PLCADR33,768$6.66M<0.1%History
CFCF Industries Holdings, Inc.COM50,603$6.57M<0.1%History
CCJCameco CorpStock59,794$6.49M<0.1%History
SVCCUStellar V Capital Corp. (Cayman Islands)UNIT 99/99/9999600,000$6.33M<0.1%History
NUNu Holdings Ltd.ORD SHS CL A436,531$6.27M<0.1%History
BABAAlibaba Group Holding LtdADR49,612$6.22M<0.1%History
iShares Trust iShares 0-1 Year Treasury Bond ETF464288679ETF51,516$5.69M<0.1%–
Calamos ETF Tr12811T506ALTERNATIVE NASD191,167$5.33M<0.1%–
iShares Tr464287234MSCI EMG MKT ETF91,653$5.20M<0.1%–
Starwood Ppty Tr Inc85571BBA2NOTE 6.750% 7/1–$5.10M<0.1%–
Lci Inds501812AB7NOTE 1.125% 5/1–$4.97M<0.1%–
IXOrix CorpSPONSORED ADR163,340$4.90M<0.1%History
TASKTaskUs, Inc.CLASS A COM725,086$4.87M<0.1%History
Vanguard Morningstar Small-Cap ETF922908751ETF18,022$4.72M<0.1%–
BKRBaker Hughes CoCL A74,000$4.52M<0.1%History
TMToyota Motor CorpADS20,763$4.28M<0.1%History
TDACUTranslational Development Acquisition Corp.UNIT 99/99/9999375,000$4.03M<0.1%History
Invesco Exchange Traded FD T46137V357S&P500 EQL WGT20,431$3.92M<0.1%–
AGIAlamos Gold IncStock87,381$3.88M<0.1%History
KBKB Financial Group Inc.SPONSORED ADR38,525$3.84M<0.1%History
SNSharkNinja, Inc.COM SHS34,018$3.60M<0.1%History
ASNDAscendis Pharma A/SSPONSORED ADR15,390$3.52M<0.1%History
FLSFlowserve CorpCOM47,150$3.47M<0.1%History
TATTTat Technologies LtdORD NEW84,223$3.42M<0.1%History
VEEVVeeva Systems IncStock18,930$3.33M<0.1%History
NHICUNewHold Investment Corp. IIIUNIT 99/99/9999300,000$3.21M<0.1%History
PTONPeloton Interactive, Inc.CL A COM725,284$3.11M<0.1%History
TARSTarsus Pharmaceuticals, Inc.COM43,832$3.07M<0.1%History
TDWTidewater IncCOM36,585$3.06M<0.1%History
BLDQXO Insulation, LLCStock8,585$3.02M<0.1%History
FORMFormfactor IncCOM30,909$3.00M<0.1%History
KLACKLA CorpCOM NEW2,002$2.95M<0.1%History
RDDTReddit, Inc.Stock21,875$2.95M<0.1%History
FERGFerguson Enterprises Inc.COMMON STOCK NEW12,584$2.94M<0.1%History
BRK.ABerkshire Hathaway IncCL A4$2.87M<0.1%History
WMSAdvanced Drainage Systems, Inc.COM18,973$2.60M<0.1%History
Zenas BioPharma, Inc.98937LAA3NOTE 2.500% 4/0–$2.59M<0.1%–
iShares Core High Dividend ETF46429B663ETF18,211$2.47M<0.1%–
Vanguard Short-Term Bond ETF921937827ETF30,941$2.43M<0.1%–
Profesionally Managed Portfo74316P579AKRE FOCUS ETF44,302$2.34M<0.1%–
KMTKennametal IncCOM64,685$2.34M<0.1%History
VanEck Semiconductor ETF92189F676ETF5,799$2.22M<0.1%–
iShares Core MSCI Emerging Markets ETF46434G103ETF31,835$2.22M<0.1%–
MPMP Materials Corp.COM CL A45,870$2.21M<0.1%History
Vanguard Information Technology ETF92204A702ETF3,045$2.12M<0.1%–
State Street Energy Select Sector SPDR ETF81369Y506ETF33,072$2.03M<0.1%–
SGISomnigroup International Inc.COM27,293$2.02M<0.1%History
HPHelmerich & Payne, Inc.COM53,800$1.94M<0.1%History
iShares Core S&P Mid-Cap ETF464287507ETF28,094$1.90M<0.1%–
iShares Russell 1000 Value ETF464287598ETF8,782$1.88M<0.1%–
State Street Consumer Discretionary Select Sector SPDR ETF81369Y407ETF16,962$1.85M<0.1%–
iShares Tr464288646ISHS 1-5YR INVS34,776$1.83M<0.1%–
DARDarling Ingredients Inc.COM29,139$1.80M<0.1%History
HEIHeico CorpCOM6,564$1.80M<0.1%History
XENEXenon Pharmaceuticals Inc.COM30,374$1.77M<0.1%History
SHGShinhan Financial Group Co LtdSPN ADR RESTRD28,268$1.73M<0.1%History
MARMarriott International IncStock5,156$1.69M<0.1%History
GLDSPDR Gold TrustETF3,721$1.60M<0.1%History
LRNStride, Inc.COM18,145$1.60M<0.1%History
MELIMercadolibre IncCOM911$1.58M<0.1%History
SONYSony Group CorpSPONSORED ADR72,607$1.50M<0.1%History
Vanguard Star FDS921909768VG TL INTL STK F19,470$1.50M<0.1%–
CSQCalamos Strategic Total Return FundCOM SH BEN INT85,160$1.46M<0.1%History
HIIHuntington Ingalls Industries, Inc.COM3,728$1.42M<0.1%History
iShares Russell Midcap ETF464287499ETF14,105$1.37M<0.1%–
IBITiShares Bitcoin Trust ETFETF35,366$1.36M<0.1%History
CSLCarlisle Companies IncCOM4,059$1.35M<0.1%History
RRyder System IncCOM6,603$1.35M<0.1%History
MUFGMitsubishi Ufj Financial Group IncSPONSORED ADS77,711$1.32M<0.1%History