Calamos Advisors LLC Top Holdings and 13F Report (2026)

About Calamos Advisors LLC

Investment Activity

Calamos Advisors LLC has $30.07 billion in total holdings as of June 30, 2026.
Calamos Advisors LLC owns shares of 948 different stocks, but just 174 companies or ETFs make up 80% of its holdings.
Approximately 13.75% of the portfolio was purchased this quarter.
About 19.93% of the portfolio was sold this quarter.
This quarter, Calamos Advisors LLC has purchased 1,151 new stocks and bought additional shares in 180 stocks.
Calamos Advisors LLC sold shares of 416 stocks and completely divested from 362 stocks this quarter.

Largest Holdings

NVIDIA: $1,414,319,309
SPDR S&P 500 ETF Trust: $1,375,717,049
Apple: $1,175,282,173
CALAMOS ETF TR: $1,077,880,003
WESTERN DIGITAL CORP: $825,099,042

Largest New Holdings this Quarter

12811T514 - CALAMOS ETF TR: $1,077,880,003 Holding
02079K404 - ALPHABET INC: $237,293,709 Holding
02079K602 - ALPHABET INC: $232,178,160 Holding
25809KAB1 - DOORDASH INC: $126,423,024 Holding
18915MAF4 - CLOUDFLARE INC: $121,043,761 Holding

Largest Purchases this Quarter

CALAMOS ETF TR: 10,693,254 shares (about $1.08B)
ALPHABET INC: 4,662,875 shares (about $237.29M)
ALPHABET INC: 4,615,868 shares (about $232.18M)
DOORDASH INC: 128,612,000 shares (about $126.42M)
CLOUDFLARE INC: 95,422,000 shares (about $121.04M)

Largest Sales this Quarter

NVIDIA: 1,127,113 shares (about $225.48M)
Apple: 706,856 shares (about $203.58M)
SPDR S&P 500 ETF Trust: 300,695 shares (about $195.74M)
iShares Core S&P 500 ETF: 258,726 shares (about $193.76M)
Alphabet: 539,546 shares (about $192.71M)

Sector Allocation Over Time

Selling

Neutral

Buying

Latest 13F Holdings and Changes Since Previous Quarterly Filing

Issuer Name	Holdings Value	Approximate Purchase/Sale	Change in Shares	Shares Held	% of Portfolio	Sector
NVDA NVIDIA	$1,414,319,309	$225,483,902 â–¼	-13.8%	7,069,674	4.7%	Technology
SPY SPDR S&P 500 ETF Trust	$1,375,717,049	$195,736,572 â–¼	-12.5%	2,113,408	4.6%	ETF
AAPL Apple	$1,175,282,173	$203,579,610 â–¼	-14.8%	4,080,739	3.9%	Technology
CALAMOS ETF TR	$1,077,880,003	$1,077,880,003 â–²	New Holding	10,693,254	3.6%	TAX AWA COLL ETF
WESTERN DIGITAL CORP	$825,099,042	$116,632,782 â–¼	-12.4%	48,728,000	2.7%	NOTE 3.000%11/1
MSFT Microsoft	$786,086,751	$120,483,766 â–¼	-13.3%	2,107,838	2.6%	Technology
AMZN Amazon.com	$733,990,733	$92,418,792 â–¼	-11.2%	3,092,300	2.4%	Consumer Discretionary
GOOGL Alphabet	$723,307,258	$192,713,396 â–¼	-21.0%	2,025,067	2.4%	Communication Services
AVGO Broadcom	$523,871,382	$101,345,522 â–¼	-16.2%	1,389,512	1.7%	Technology
META Meta Platforms	$378,613,919	$41,178,419 â–¼	-9.8%	671,923	1.3%	Communication Services
MU Micron Technology	$361,816,818	$10,102,346 â–¼	-2.7%	313,454	1.2%	Technology
LLY Eli Lilly and Company	$339,439,889	$30,580,667 â–¼	-8.3%	283,001	1.1%	Healthcare
GOOG Alphabet	$320,545,216	$33,445,864 â–¼	-9.4%	907,212	1.1%	Communication Services
AMD Advanced Micro Devices	$314,708,305	$37,078,112 â–²	13.4%	543,570	1.0%	Technology
TSLA Tesla	$314,473,114	$40,036,619 â–¼	-11.3%	747,840	1.0%	Consumer Discretionary
QQQ Invesco QQQ	$294,021,044	$150,379,368 â–¼	-33.8%	506,640	1.0%	ETF
EFA iShares MSCI EAFE ETF	$238,667,836	$104,033,320 â–²	77.3%	2,457,200	0.8%	ETF
ALPHABET INC	$237,293,709	$237,293,709 â–²	New Holding	4,662,875	0.8%	DEP SHS RP1/20 A
ALPHABET INC	$232,178,160	$232,178,160 â–²	New Holding	4,615,868	0.8%	DEP SHS RP1/20 B
JPM JPMorgan Chase & Co.	$231,875,335	$31,604,366 â–¼	-12.0%	708,384	0.8%	Finance
V Visa	$226,942,713	$34,455,156 â–¼	-13.2%	661,467	0.8%	Finance
IWM iShares Russell 2000 ETF	$225,097,154	$32,878,430 â–¼	-12.7%	889,765	0.7%	ETF
ALIBABA GROUP HLDG LTD	$223,223,388	$5,904 â–²	0.0%	189,049,000	0.7%	NOTE 0.500% 6/0
AMAT Applied Materials	$219,354,585	$4,840,485 â–¼	-2.2%	303,395	0.7%	Technology
BOEING CO	$185,409,145	$7,276,947 â–¼	-3.8%	2,754,965	0.6%	DEP CONV PFD A
HEWLETT PACKARD ENTERPRISE C	$183,512,170	$22,455,158 â–²	13.9%	1,586,652	0.6%	7.625 MAND CONV
ORACLE CORP	$178,757,340	$4,794,637 â–¼	-2.6%	3,976,804	0.6%	6.5 DEP CUM SR D
INTC Intel	$177,093,427	$40,961,438 â–²	30.1%	1,268,305	0.6%	Technology
GS The Goldman Sachs Group	$167,595,134	$5,228,783 â–¼	-3.0%	165,711	0.6%	Finance
JNJ Johnson & Johnson	$164,374,971	$31,969,236 â–¼	-16.3%	647,222	0.5%	Healthcare
CAT Caterpillar	$160,012,939	$16,589,012 â–²	11.6%	150,261	0.5%	Industrials
LAM RESEARCH CORP	$158,353,949	$20,676,774 â–¼	-11.5%	365,435	0.5%	COM NEW
XOM ExxonMobil	$155,295,600	$19,999,949 â–¼	-11.4%	1,135,866	0.5%	Energy
WALMART INC	$155,063,798	$23,238,988 â–¼	-13.0%	1,368,551	0.5%	COM
MKS INC.	$149,859,615	$81,171,621 â–¼	-35.1%	50,767,000	0.5%	NOTE 1.250% 6/0
SNOWFLAKE INC	$148,396,486	$35,285,131 â–²	31.2%	83,995,000	0.5%	NOTE 10/0
ON SEMICONDUCTOR CORP	$147,703,593	$19,485,583 â–²	15.2%	122,336,000	0.5%	NOTE 0.500% 3/0
GE VERNOVA INC	$145,278,488	$34,345,857 â–¼	-19.1%	123,656	0.5%	COM
CSCO Cisco Systems	$138,801,116	$2,309,766 â–²	1.7%	1,183,114	0.5%	Technology
UNH UnitedHealth Group	$128,587,194	$24,310,614 â–²	23.3%	309,379	0.4%	Healthcare
DOORDASH INC	$126,423,024	$126,423,024 â–²	New Holding	128,612,000	0.4%	NOTE 5/1
BRK.B Berkshire Hathaway	$126,313,448	$10,723,858 â–¼	-7.8%	252,430	0.4%	Finance
BAC Bank of America	$125,769,789	$4,779,938 â–¼	-3.7%	2,207,262	0.4%	Finance
MA Mastercard	$122,729,856	$4,875,605 â–¼	-3.8%	238,960	0.4%	Finance
CLOUDFLARE INC	$121,043,761	$121,043,761 â–²	New Holding	95,422,000	0.4%	NOTE 6/1
CYBERARK SOFTWARE LTD	$120,745,235	$120,745,235 â–²	New Holding	72,437,000	0.4%	NOTE 6/1
AKAMAI TECHNOLOGIES INC	$114,262,913	$114,262,913 â–²	New Holding	78,152,000	0.4%	NOTE 0.250% 5/1
WFC Wells Fargo & Company	$112,898,884	$26,103,332 â–¼	-18.8%	1,366,153	0.4%	Finance
MICROCHIP TECHNOLOGY INC.	$111,891,814	$32,005,790 â–¼	-22.2%	1,458,634	0.4%	DEP SHS REPSTG
PPL CORP	$109,729,549	$40,581 â–²	0.0%	2,236,184	0.4%	UNIT 02/15/2029
RIVIAN AUTOMOTIVE INC	$108,606,673	$401,891 â–¼	-0.4%	91,611,000	0.4%	NOTE 4.625% 3/1
UBER TECHNOLOGIES INC	$107,263,908	$677,588 â–¼	-0.6%	89,441,000	0.4%	NOTE 0.875%12/0
LINDE PLC	$107,218,193	$10,514,243 â–¼	-8.9%	206,610	0.4%	SHS
NFLX Netflix	$105,626,375	$21,441,797 â–¼	-16.9%	1,454,507	0.4%	Communication Services
PM Philip Morris International	$105,257,961	$2,007,920 â–¼	-1.9%	581,825	0.4%	Consumer Staples
SOUTHERN CO	$105,231,188	$1,706,082 â–²	1.6%	2,115,625	0.3%	UNIT 12/15/2028
GE GE Aerospace	$103,637,571	$4,346,106 â–¼	-4.0%	277,306	0.3%	Industrials
DATADOG INC	$103,264,789	$18,291,930 â–²	21.5%	72,735,000	0.3%	NOTE 12/0
C Citigroup	$102,935,681	$259,486 â–²	0.3%	735,465	0.3%	Finance
NEXTERA ENERGY INC	$101,888,656	$366,022 â–¼	-0.4%	2,125,337	0.3%	UNIT 02/15/2029
ABBV AbbVie	$100,629,075	$21,081,644 â–¼	-17.3%	399,893	0.3%	Healthcare
HD Home Depot	$93,138,203	$22,558,118 â–¼	-19.5%	264,087	0.3%	Consumer Discretionary
MS Morgan Stanley	$92,469,680	$19,515,974 â–¼	-17.4%	442,354	0.3%	Finance
CVX Chevron	$92,113,827	$22,480,371 â–¼	-19.6%	555,706	0.3%	Energy
RTX RTX	$91,008,738	$4,428,488 â–¼	-4.6%	479,675	0.3%	Industrials
EVERGY INC	$87,800,506	$111,088 â–¼	-0.1%	61,649,000	0.3%	NOTE 4.500%12/1
PANW Palo Alto Networks	$86,785,266	$210,392 â–²	0.2%	264,820	0.3%	Technology
CMS ENERGY CORP	$85,850,471	$16,093,262 â–²	23.1%	76,823,000	0.3%	NOTE 3.375% 5/0
ETSY INC	$85,199,618	$85,199,618 â–²	New Holding	73,244,000	0.3%	NOTE 1.000% 6/1
AKAMAI TECHNOLOGIES INC	$84,238,102	$22,767,538 â–²	37.0%	70,576,000	0.3%	NOTE 1.125% 2/1
MRK Merck & Co., Inc.	$83,589,636	$23,279,060 â–¼	-21.8%	650,503	0.3%	Healthcare
SEAGATE HDD CAYMAN	$81,242,586	$44,925,964 â–¼	-35.6%	6,917,000	0.3%	NOTE 3.500% 6/0
CSX CSX	$80,368,715	$1,440,539 â–¼	-1.8%	1,690,905	0.3%	Industrials
PWR Quanta Services	$80,128,931	$2,003,871 â–²	2.6%	111,284	0.3%	Industrials
SUPER MICRO COMPUTER INC	$78,667,024	$78,667,024 â–²	New Holding	1,513,992	0.3%	7 DEP CM SR A WI
KO CocaCola	$78,471,224	$2,734,329 â–¼	-3.4%	965,562	0.3%	Consumer Staples
PALANTIR TECHNOLOGIES INC	$77,879,514	$9,115,214 â–¼	-10.5%	666,809	0.3%	CL A
SANDISK CORP	$77,775,208	$25,104,253 â–²	47.7%	34,206	0.3%	COM
COST Costco Wholesale	$76,610,532	$10,116,216 â–¼	-11.7%	81,804	0.3%	Consumer Staples
NSC Norfolk Southern	$76,138,330	$797,486 â–¼	-1.0%	242,024	0.3%	Industrials
APOLLO GLOBAL MGMT INC	$75,005,679	$45,385 â–²	0.1%	1,231,216	0.2%	SER A MAND CNV
JAZZ INVESTMENTS I LTD	$74,544,334		0.0%	43,700,000	0.2%	NOTE 3.125% 9/1
MPC Marathon Petroleum	$74,383,096	$7,216,286 â–¼	-8.8%	290,934	0.2%	Energy
SOUTHERN CO	$71,216,360	$71,216,360 â–²	New Holding	70,422,000	0.2%	NOTE 3.250% 6/1
KKR & CO INC	$71,035,016	$71,610 â–²	0.1%	1,782,560	0.2%	6.25 CON SER D
WBD Warner Bros. Discovery	$70,040,884	$38,948,595 â–²	125.3%	2,591,367	0.2%	Communication Services
PG Procter & Gamble	$69,986,140	$3,141,322 â–¼	-4.3%	477,265	0.2%	Consumer Staples
UNP Union Pacific	$69,340,960	$16,822,928 â–¼	-19.5%	254,930	0.2%	Industrials
BRIGHTSPRING HEALTH SVCS INC	$69,051,778	$86,772 â–²	0.1%	301,602	0.2%	UNIT 02/01/2027
PPL CAP FDG INC	$68,705,100	$656,227 â–¼	-0.9%	60,515,000	0.2%	NOTE 2.875% 3/1
ALBEMARLE CORP	$68,674,018	$396,638 â–¼	-0.6%	1,240,723	0.2%	7.25% DEP SHS A
EEM iShares MSCI Emerging Markets ETF	$68,312,691	$15,318,932 â–²	28.9%	1,202,900	0.2%	ETF
LIVE NATION ENTERTAINMENT IN	$67,574,192	$810,498 â–¼	-1.2%	56,444,000	0.2%	NOTE 2.875% 1/1
AXP American Express	$66,924,454	$18,692,033 â–¼	-21.8%	197,855	0.2%	Finance
RIVIAN AUTOMOTIVE INC	$66,496,860		0.0%	62,000,000	0.2%	NOTE 3.625%10/1
SEA LTD	$65,951,743		0.0%	66,589,000	0.2%	NOTE 0.250% 9/1
APH Amphenol	$65,168,754	$12,722,899 â–²	24.3%	369,605	0.2%	Technology
LOW Lowe's Companies	$65,008,831	$4,351,591 â–¼	-6.3%	294,838	0.2%	Consumer Discretionary
KVUE Kenvue	$64,037,610		0.0%	3,351,000	0.2%	Consumer Staples
ORCL Oracle	$63,433,581	$2,950,784 â–¼	-4.4%	432,846	0.2%	Technology

Showing largest 100 holdings. View all holdings.

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Calamos Advisors LLC Top Holdings and 13F Report (2026)

About Calamos Advisors LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

Best-in-Class Portfolio Monitoring

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Calamos Advisors LLC Top Holdings and 13F Report (2026)

About Calamos Advisors LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Map of 500 Largest Holdings ofCalamos Advisors LLC

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools