Asset manager

Calamos Advisors LLC

13F for the quarter to June 30, 2026, filed July 31, 2026 · SEC CIK 1316507

Reported value: $21.6bn
Positions we cover: 437
Copy, a year: +15.3%
Copy Sharpe ratio: 0.82

How copying its 13F would have done

CopyS&P 500 $10,000 copying Calamos Advisors LLC's filed holdings in companies we cover from August 16, 2013, buying on the first trading day after each 13F was filed and holding until the next, against the S&P 500 (total return). Marked weekly, log scale. Before costs and taxes; misses trading within each quarter and anything 13F does not show (shorts, cash, bonds, non-US holdings).

Biggest drop −32.1% (S&P 500 −31.8%); beta 1.04; alpha +0.7% a year (t = 1.24); last 12 months +9.9% against +12.1%.

Reported value by quarter

Calamos Advisors LLC: 13F reported value Total value of all positions in each quarter's 13F, as filed (values before 2023 were filed in thousands of dollars and are converted).

View chart data

Period	Reported value
2013-06-30	$12.4B
2013-09-30	$12.8B
2013-12-31	$12.4B
2014-03-31	$12.3B
2014-06-30	$12.2B
2014-09-30	$11.4B
2014-12-31	$11.2B
2015-03-31	$11.9B
2015-06-30	$12.3B
2015-09-30	$10.7B
2015-12-31	$11.5B
2016-03-31	$11.2B
2016-06-30	$10.6B
2016-09-30	$10.2B
2016-12-31	$8.9B
2017-03-31	$9B
2017-06-30	$8.9B
2017-09-30	$9.4B
2017-12-31	$9.7B
2018-03-31	$10B
2018-06-30	$10.5B
2018-09-30	$11.3B
2018-12-31	$10.3B
2019-03-31	$11B
2019-06-30	$12B
2019-09-30	$12.2B
2019-12-31	$13.2B
2020-03-31	$9B
2020-06-30	$9.3B
2020-09-30	$9.6B
2020-12-31	$10.3B
2021-03-31	$11.6B
2021-06-30	$14B
2021-09-30	$14.6B
2021-12-31	$17.8B
2022-03-31	$18.1B
2022-06-30	$15.5B
2022-09-30	$14.2B
2022-12-31	$13.7T
2023-03-31	$12.9B
2023-06-30	$13.1B
2023-09-30	$12B
2023-12-31	$13.1B
2024-03-31	$14.3B
2024-06-30	$14.5B
2024-09-30	$14.8B
2024-12-31	$15.8B
2025-03-31	$15.4B
2025-06-30	$17.1B
2025-09-30	$18.1B
2025-12-31	$18.1B
2026-03-31	$20.8B
2026-06-30	$21.6B

Holdings and moves

Company	Share of portfolio	Value	Shares	Change in shares
NVDANVIDIA Corporation	6.53%	$1.4bn	7.06M	−13.8% Reduced
AAPLApple Inc.	5.25%	$1.1bn	3.93M	−17.9% Reduced
MSFTMicrosoft Corporation	3.52%	$762.8m	2.05M	−13.9% Reduced
GOOGLAlphabet Inc. (Class A)	3.33%	$721.7m	2.02M	−21.1% Reduced
AMZNAmazon	3.29%	$713.0m	2.99M	−12.2% Reduced
AVGOBroadcom	2.40%	$519.3m	1.37M	−16.8% Reduced
METAMeta Platforms	1.71%	$370.4m	657.6K	−10.0% Reduced
MUMicron Technology	1.67%	$361.8m	313.5K	−2.7% Reduced
LLYLilly (Eli)	1.57%	$339.4m	283.0K	−8.3% Reduced
AMDAdvanced Micro Devices	1.45%	$314.1m	540.8K	+13.1% Added
TSLATesla, Inc.	1.45%	$314.0m	746.4K	−11.3% Reduced
JPMJPMorgan Chase	1.07%	$231.9m	708.4K	−12.0% Reduced
VVisa Inc.	1.05%	$226.9m	661.5K	−13.2% Reduced
AMATApplied Materials	1.01%	$219.4m	303.4K	−1.2% Reduced
INTCIntel	0.82%	$177.1m	1.27M	+30.1% Added
GSGoldman Sachs	0.77%	$167.6m	165.7K	−3.0% Reduced
JNJJohnson & Johnson	0.76%	$164.4m	647.2K	−16.3% Reduced
CATCaterpillar Inc.	0.74%	$160.0m	150.3K	+11.6% Added
LRCXLam Research	0.73%	$158.4m	365.4K	−11.5% Reduced
WMTWalmart	0.71%	$154.4m	1.36M	−13.0% Reduced
GEVGE Vernova	0.67%	$145.3m	123.7K	−19.1% Reduced
CSCOCisco	0.64%	$138.5m	1.18M	+1.8% Added
UNHUnitedHealth Group	0.59%	$128.6m	309.4K	+23.3% Added
BACBank of America	0.58%	$125.8m	2.21M	−3.7% Reduced
MAMastercard	0.57%	$122.7m	239.0K	−3.8% Reduced
WFCWells Fargo	0.52%	$112.9m	1.37M	−18.8% Reduced
LINLinde plc	0.49%	$107.2m	206.6K	−8.3% Reduced
PMPhilip Morris International	0.49%	$105.3m	581.8K	−1.9% Reduced
GEGE Aerospace	0.48%	$103.6m	277.3K	−4.0% Reduced
CCitigroup	0.48%	$102.9m	735.5K	+0.3%
ABBVAbbVie	0.47%	$100.6m	399.9K	−17.3% Reduced
NFLXNetflix	0.46%	$98.7m	1.38M	−20.8% Reduced
HDThe Home Depot	0.43%	$93.1m	264.1K	−19.5% Reduced
MSMorgan Stanley	0.43%	$92.5m	442.4K	−17.4% Reduced
CVXChevron Corporation	0.43%	$92.1m	555.7K	−19.6% Reduced
RTXRTX Corporation	0.42%	$91.0m	479.7K	−4.6% Reduced
PANWPalo Alto Networks	0.39%	$83.7m	245.3K	−7.1% Reduced
MRKMerck & Co.	0.39%	$83.6m	650.5K	−16.4% Reduced
CSXCSX Corporation	0.37%	$80.4m	1.69M	−1.8% Reduced
PWRQuanta Services	0.37%	$80.1m	111.3K	+2.6% Added
KOThe Coca-Cola Company	0.36%	$78.5m	965.6K	−3.4% Reduced
SNDKSandisk	0.36%	$77.8m	34.2K	+47.7% Added
PLTRPalantir Technologies Inc.	0.36%	$77.5m	664.0K	−10.5% Reduced
NSCNorfolk Southern	0.35%	$76.1m	242.0K	−1.0% Reduced
COSTCostco	0.35%	$75.2m	80.4K	−11.6% Reduced
MPCMarathon Petroleum	0.34%	$74.4m	290.9K	−8.8% Reduced
PGProcter & Gamble	0.32%	$70.0m	477.3K	−4.3% Reduced
UNPUnion Pacific Corporation	0.32%	$69.3m	254.9K	−9.2% Reduced
AXPAmerican Express	0.31%	$66.9m	197.9K	−21.8% Reduced
APHAmphenol	0.30%	$65.2m	369.6K	+24.3% Added
LOWLowe's	0.30%	$65.0m	294.8K	−6.3% Reduced
KVUEKenvue	0.30%	$64.0m	3.35M	0.0%
ORCLOracle Corporation	0.29%	$63.4m	432.8K	+4.0% Added
TXNTexas Instruments	0.27%	$59.4m	199.3K	−20.9% Reduced
TMOThermo Fisher Scientific	0.27%	$57.7m	115.2K	−17.3% Reduced
FCXFreeport-McMoRan	0.25%	$54.6m	867.7K	+6.6% Added
CBChubb Limited	0.25%	$54.4m	159.7K	−27.1% Reduced
TJXTJX Companies	0.25%	$54.1m	356.9K	−22.0% Reduced
SHWSherwin-Williams	0.24%	$52.5m	152.4K	−18.9% Reduced
ANETArista Networks	0.24%	$52.2m	307.5K	−41.6% Reduced
ISRGIntuitive Surgical	0.24%	$52.1m	131.0K	−21.0% Reduced
BABoeing	0.24%	$51.9m	239.9K	−30.7% Reduced
AESAES Corporation	0.23%	$50.4m	3.44M	+106.9% Added
DDOGDatadog, Inc.	0.23%	$49.6m	190.5K	−33.7% Reduced
DISThe Walt Disney Company	0.23%	$49.6m	515.1K	−3.4% Reduced
MCDMcDonald's	0.22%	$47.3m	175.0K	−5.0% Reduced
WWayfair Inc.	0.22%	$47.1m	509.2K	New
ETNEaton Corporation	0.21%	$46.6m	109.4K	−22.8% Reduced
TERTeradyne	0.21%	$46.6m	96.3K	−2.8% Reduced
BKNGBooking Holdings	0.21%	$46.2m	258.9K	+2323.2% Added
RCLRoyal Caribbean Group	0.21%	$45.8m	144.3K	−28.2% Reduced
UBERUber	0.21%	$45.2m	626.7K	−23.6% Reduced
GILDGilead Sciences	0.21%	$45.0m	356.5K	−13.6% Reduced
ROKURoku, Inc	0.21%	$44.9m	325.0K	New
CVSCVS Health	0.20%	$43.8m	422.9K	−2.4% Reduced
JCIJohnson Controls	0.20%	$43.1m	294.7K	−9.9% Reduced
PFEPfizer	0.20%	$42.2m	1.75M	−2.9% Reduced
WMBWilliams Companies	0.20%	$42.1m	566.9K	−2.3% Reduced
DHRDanaher Corporation	0.19%	$42.0m	220.7K	−23.5% Reduced
CRWDCrowdStrike	0.19%	$41.6m	54.5K	−4.6% Reduced
CRMSalesforce	0.19%	$41.0m	261.6K	−3.3% Reduced
SBUXStarbucks	0.19%	$40.5m	396.5K	−4.3% Reduced
DASHDoorDash	0.19%	$40.2m	217.6K	−31.2% Reduced
GMGeneral Motors	0.18%	$39.7m	515.1K	−1.7% Reduced
ADIAnalog Devices	0.18%	$39.2m	98.7K	−2.5% Reduced
QCOMQualcomm	0.17%	$37.6m	203.7K	−4.0% Reduced
NEENextEra Energy	0.17%	$37.6m	428.1K	−20.5% Reduced
VRTXVertex Pharmaceuticals	0.17%	$37.4m	75.4K	−3.2% Reduced
MRVLMarvell Technology	0.17%	$37.2m	124.8K	+513.9% Added
WMWaste Management	0.17%	$35.9m	161.0K	−30.3% Reduced
SYKStryker Corporation	0.16%	$35.3m	112.1K	−29.4% Reduced
DALDelta Air Lines	0.16%	$35.1m	374.9K	−1.3% Reduced
UALUnited Airlines Holdings	0.16%	$34.4m	253.2K	−6.7% Reduced
MDTMedtronic	0.15%	$33.3m	425.8K	−29.4% Reduced
EMREmerson Electric	0.15%	$33.0m	230.7K	−32.8% Reduced
DHID. R. Horton	0.15%	$32.6m	200.1K	−5.8% Reduced
RPRXRoyalty Pharma plc	0.15%	$32.2m	573.5K	+31.2% Added
TSMTaiwan Semiconductor Manufacturing Co LTD	0.15%	$32.1m	67.2K	−46.9% Reduced
IBMIBM	0.15%	$31.8m	113.2K	−8.4% Reduced
WOLFWolfspeed, Inc.	0.15%	$31.8m	659.7K	−7.8% Reduced
DEDeere & Company	0.14%	$31.4m	49.5K	−35.0% Reduced
STTState Street Corporation	0.14%	$31.1m	183.6K	+155.7% Added
VZVerizon	0.14%	$30.7m	725.2K	−3.8% Reduced
WDCWestern Digital	0.14%	$30.5m	47.7K	−4.2% Reduced
SCHWCharles Schwab Corporation	0.14%	$30.3m	328.1K	−1.8% Reduced
PHParker Hannifin	0.14%	$29.8m	30.4K	−1.9% Reduced
COFCapital One	0.14%	$29.7m	147.9K	−4.3% Reduced
PENPenumbra Inc	0.13%	$29.0m	91.9K	+37.4% Added
BSXBoston Scientific	0.13%	$28.9m	677.1K	−17.2% Reduced
BLKBlackRock	0.13%	$28.7m	29.8K	−1.8% Reduced
DGDollar General	0.13%	$28.5m	247.3K	−1.1% Reduced
SPGIS&P Global	0.13%	$28.4m	69.7K	−37.7% Reduced
AIZAssurant	0.13%	$28.3m	105.3K	−1.9% Reduced
ORLYO'Reilly Automotive	0.13%	$28.1m	305.0K	+0.4%
INTUIntuit	0.13%	$27.6m	105.8K	−20.2% Reduced
LITELumentum	0.12%	$26.6m	30.9K	−11.7% Reduced
STXSeagate Technology	0.12%	$26.5m	27.4K	+18.2% Added
CLColgate-Palmolive	0.12%	$26.3m	287.2K	−5.5% Reduced
LHXL3Harris	0.12%	$26.3m	90.5K	−2.4% Reduced
PLDPrologis	0.12%	$26.1m	192.5K	−42.8% Reduced
SNPSSynopsys Inc	0.12%	$25.6m	57.3K	−49.3% Reduced
NXPINXP Semiconductors	0.12%	$25.5m	90.8K	−2.7% Reduced
PEPPepsiCo	0.12%	$25.5m	188.4K	−27.6% Reduced
WELLWelltower	0.12%	$25.3m	111.6K	−1.8% Reduced
BNYBNY Mellon	0.12%	$25.3m	175.0K	−4.7% Reduced
TAT&T	0.12%	$25.2m	1.22M	−4.4% Reduced
VIKViking Holdings Ltd	0.12%	$25.1m	240.3K	+0.4%
SNOWSnowflake Inc.	0.12%	$25.0m	98.2K	−33.3% Reduced
BHFBrighthouse Financial, Inc.	0.12%	$24.8m	391.8K	0.0%
AMGNAmgen	0.12%	$24.8m	68.5K	−9.3% Reduced
URIUnited Rentals	0.11%	$24.5m	21.7K	−1.8% Reduced
COPConocoPhillips	0.11%	$24.2m	232.9K	−2.9% Reduced
MDLZMondelez International	0.11%	$23.1m	399.8K	−4.4% Reduced
MCKMcKesson	0.10%	$22.7m	30.0K	−38.7% Reduced
APPApplovin Corp	0.10%	$22.3m	43.4K	−12.6% Reduced
ALLAllstate	0.10%	$22.3m	93.6K	−7.4% Reduced
ABTAbbott Laboratories	0.10%	$22.1m	243.1K	−35.8% Reduced
TXNMTxnm Energy Inc	0.10%	$21.6m	380.7K	New
MRSHMarsh McLennan	0.10%	$21.5m	129.3K	−3.6% Reduced
AMPAmeriprise Financial	0.10%	$21.5m	46.9K	−1.8% Reduced
NOWServiceNow	0.10%	$21.5m	216.3K	−28.9% Reduced
LUVSouthwest Airlines	0.10%	$21.4m	416.7K	+0.3%
DUKDuke Energy	0.10%	$21.3m	168.6K	−4.6% Reduced
AAgilent Technologies	0.10%	$21.3m	160.6K	−1.8% Reduced
ADPAutomatic Data Processing	0.10%	$21.1m	94.1K	−11.7% Reduced
TMUST-Mobile US	0.10%	$21.0m	125.4K	−43.5% Reduced
PSMTPricesmart Inc	0.10%	$21.0m	107.4K	+288.1% Added
TRVThe Travelers Companies	0.10%	$20.7m	62.8K	−8.3% Reduced
CBOECboe Global Markets	0.09%	$20.2m	83.3K	+10286.8% Added
CARRCarrier Global	0.09%	$19.9m	270.7K	−4.0% Reduced

Company	Bought (value)	Shares
WWayfair Inc.	$47.1m	509.2K
ROKURoku, Inc	$44.9m	325.0K
BKNGBooking Holdings	$44.2m	248.3K
INTCIntel	$41.0m	293.4K
AMDAdvanced Micro Devices	$36.5m	62.8K
MRVLMarvell Technology	$31.1m	104.5K
AESAES Corporation	$26.0m	1.78M
SNDKSandisk	$25.1m	11.0K
UNHUnitedHealth Group	$24.3m	58.5K
TXNMTxnm Energy Inc	$21.6m	380.7K
CBOECboe Global Markets	$20.0m	82.5K
STTState Street Corporation	$19.0m	111.8K
CCLCarnival Corporation	$17.8m	621.6K
HONHoneywell Technologies	$17.7m	79.1K
HONAHoneywell Aerospace	$17.5m	79.1K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

Company	Sold (value)	Shares
AAPLApple Inc.	−$246.9m	−853.3K
NVDANVIDIA Corporation	−$225.2m	−1.13M
GOOGLAlphabet Inc. (Class A)	−$192.5m	−538.7K
MSFTMicrosoft Corporation	−$123.3m	−330.5K
AVGOBroadcom	−$104.9m	−277.8K
AMZNAmazon	−$98.7m	−414.3K
METAMeta Platforms	−$41.3m	−73.3K
TSLATesla, Inc.	−$40.0m	−95.0K
ANETArista Networks	−$37.1m	−218.7K
VVisa Inc.	−$34.5m	−100.4K
GEVGE Vernova	−$34.3m	−29.2K
JNJJohnson & Johnson	−$32.0m	−125.9K
JPMJPMorgan Chase	−$31.6m	−96.6K
LLYLilly (Eli)	−$30.6m	−25.5K
TSMTaiwan Semiconductor Manufacturing Co LTD	−$28.3m	−59.2K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

Company	Value last quarter	Shares
MCOMoody's Corporation	$10.6m	24.2K
ZBRAZebra Technologies	$9.3m	44.5K
BAHBooz Allen Hamilton Holding Corp	$9.1m	117.0K
NETCloudflare, Inc.	$7.2m	34.8K
AZNAstrazeneca PLC	$6.7m	33.8K
CFCF Industries	$6.6m	50.6K
CCJCameco Corp	$6.5m	59.8K
NUNu Holdings Ltd.	$6.3m	436.5K
BABAAlibaba Group Holding Ltd	$6.2m	49.6K
TASKTaskus, Inc.	$4.9m	725.1K
BKRBaker Hughes	$4.5m	74.0K
TMToyota Motor Corp/	$4.3m	20.8K
AGIAlamos Gold Inc	$3.9m	87.4K
SNSharkninja, Inc.	$3.6m	34.0K
FLSFlowserve Corp	$3.5m	47.1K
TATTTAT Technologies LTD	$3.4m	84.2K
VEEVVeeva Systems Inc	$3.3m	18.9K
PTONPeloton Interactive, Inc.	$3.1m	725.3K
TARSTarsus Pharmaceuticals, Inc.	$3.1m	43.8K
TDWTidewater Inc	$3.1m	36.6K
FORMFormfactor Inc	$3.0m	30.9K
KLACKLA Corporation	$2.9m	2.0K
RDDTReddit, Inc.	$2.9m	21.9K
FERGFerguson Enterprises	$2.9m	12.6K
WMSAdvanced Drainage Systems, Inc.	$2.6m	19.0K
KMTKennametal Inc	$2.3m	64.7K
MPMP Materials Corp. / DE	$2.2m	45.9K
SGISomnigroup International Inc.	$2.0m	27.3K
HPHelmerich & Payne, Inc.	$1.9m	53.8K
DARDarling Ingredients Inc.	$1.8m	29.1K

Technology39.3%
Financials10.8%
Consumer Discretionary10.6%
Industrials9.8%
Health Care9.6%
Communication Services8.4%
Consumer Staples4.8%
Energy2.1%
Materials1.9%
Utilities1.7%
Real Estate1.0%

Share of the value held in companies we cover, by sector.

Period	Copy, a year	S&P 500	Sharpe	S&P 500	Biggest drop	Beta
Whole backtestAugust 16, 2013 to November 2, 2026	+15.3%	+14.1%	0.82	0.78	−32.1%	1.04
2018 onwardsJanuary 5, 2018 to November 2, 2026	+14.4%	+13.9%	0.67	0.66	−32.1%	1.03
Last three yearsNovember 3, 2023 to November 2, 2026	+21.9%	+21.8%	1.11	1.16	−18.4%	1.05
Last yearNovember 7, 2025 to November 2, 2026	+12.4%	+14.2%	0.69	0.84	−9.8%	1.02

From SEC Form 13F data sets. A 13F lists long positions in US-listed shares at the quarter's end, filed up to 45 days later; it does not show shorts, cash, bonds, non-US holdings or trades within the quarter. Positions in companies outside our coverage are not listed here. Research, not investment advice.