CSQ

Calamos Strategic Total Return Fund

$20.53 -0.17 (-0.82%) At close · Jul 7

Market Cap

$3.29B

160,369,635

Portfolio holdings reported by registered funds to the SEC on Form N-PORT — the individual securities a fund owns. Only mutual funds, ETFs and closed-end funds file N-PORT, so operating companies show no data.

CALAMOS STRATEGIC TOTAL RETURN FUND

Reported 2026-04-30

Net Assets

$3,482,975,395

Total Assets

$5,353,270,213

Holdings

807

Filed

2026-06-26

Holding	CUSIP	Balance	Units	Value	% Net Assets	Category	Country
NVIDIA Corp	67066G104	1,287,510	NS	$256,948,371	7.38%	EC	US
Alphabet Inc	02079K305	622,250	NS	$239,441,800	6.87%	EC	US
Apple Inc	037833100	860,785	NS	$233,574,010	6.71%	EC	US
Microsoft Corp	594918104	427,570	NS	$174,354,495	5.01%	EC	US
Amazon.com Inc	023135106	646,610	NS	$171,390,447	4.92%	EC	US
Broadcom Inc	11135F101	299,730	NS	$125,116,294	3.59%	EC	US
Meta Platforms Inc	30303M102	138,220	NS	$84,578,200	2.43%	EC	US
Tesla Inc	88160R101	182,630	NS	$69,697,087	2.00%	EC	US
GE Vernova Inc	36828A101	58,710	NS	$63,609,937	1.83%	EC	US
JPMorgan Chase & Co	46625H100	190,495	NS	$59,668,749	1.71%	EC	US
Eli Lilly & Co	532457108	59,040	NS	$55,178,784	1.58%	EC	US
Johnson & Johnson	478160104	217,145	NS	$49,910,778	1.43%	EC	US
ON SEMICONDUCTOR CORP	682189AU9	40,490,000	PA	$49,306,698	1.42%	DBT	US
Visa Inc	92826C839	138,650	NS	$45,732,316	1.31%	EC	US
Lam Research Corp	512807306	176,335	NS	$45,469,743	1.31%	EC	US
Micron Technology Inc	595112103	83,725	NS	$43,299,221	1.24%	EC	US
Exxon Mobil Corp	30231G102	278,830	NS	$43,031,834	1.24%	EC	US
CSX Corp	126408103	903,775	NS	$41,058,498	1.18%	EC	US
Citigroup Inc	172967424	310,915	NS	$39,790,902	1.14%	EC	US
Goldman Sachs Group Inc/The	38141G104	42,230	NS	$39,010,807	1.12%	EC	US
ORACLE CORP	68389X204	776,305	NS	$37,782,764	1.08%	EP	US
BOEING CO/THE	097023204	513,410	NS	$37,068,202	1.06%	EP	US
Mastercard Inc	57636Q104	72,315	NS	$36,368,660	1.04%	EC	US
Morgan Stanley	617446448	188,325	NS	$35,892,862	1.03%	EC	US
Quanta Services Inc	74762E102	47,925	NS	$34,878,377	1.00%	EC	US
Caterpillar Inc	149123101	38,545	NS	$34,309,290	0.99%	EC	US
ADVANCED ENERGY IND	007973AE0	11,960,000	PA	$34,106,810	0.98%	DBT	US
Marathon Petroleum Corp	56585A102	134,880	NS	$33,489,355	0.96%	EC	US
BLOOM ENERGY CORP	093712AN7	19,235,000	PA	$33,485,634	0.96%	DBT	US
Walmart Inc	931142103	251,580	NS	$33,190,949	0.95%	EC	US
Advanced Micro Devices Inc	007903107	92,805	NS	$32,898,444	0.94%	EC	US
Bank of America Corp	060505104	608,685	NS	$32,540,300	0.93%	EC	US
Netflix Inc	64110L106	323,600	NS	$30,292,196	0.87%	EC	US
Wells Fargo & Co	949746101	359,125	NS	$29,530,849	0.85%	EC	US
Linde PLC	000000000	56,835	NS	$28,482,292	0.82%	EC	IE
MICROCHIP TECHNOLOGY INC	595017302	355,315	NS	$27,952,631	0.80%	EP	US
MKS INC	55306NAB0	14,150,000	PA	$27,671,740	0.79%	DBT	US
SEAGATE HDD CAYMAN	81180WBL4	3,310,000	PA	$26,980,075	0.77%	DBT	KY
NEXTERA ENERGY INC	65339F655	509,320	NS	$26,749,486	0.77%	EP	US
Palantir Technologies Inc	69608A108	188,330	NS	$26,198,586	0.75%	EC	US
DOORDASH INC	25809KAA3	27,185,000	PA	$25,992,666	0.75%	DBT	US
Coca-Cola Co/The	191216100	329,140	NS	$25,923,066	0.74%	EC	US
WESTERN DIGITAL CORP	958102AT2	2,200,000	PA	$25,207,666	0.72%	DBT	US
Sherwin-Williams Co/The	824348106	78,355	NS	$25,199,752	0.72%	EC	US
Parker-Hannifin Corp	701094104	27,670	NS	$25,163,651	0.72%	EC	US
WELLTOWER OP LLC	95041AAD0	13,975,000	PA	$24,079,065	0.69%	DBT	US
Union Pacific Corp	907818108	89,065	NS	$24,001,236	0.69%	EC	US
iShares Russell 2000 ETF	464287655	84,565	NS	$23,506,533	0.67%	EC	US
Delta Air Lines Inc	247361702	344,635	NS	$23,431,734	0.67%	EC	US
Philip Morris International Inc	718172109	140,020	NS	$23,113,101	0.66%	EC	US

Showing 1–50 of 807 holdings

Key facts CIK 1275214 CUSIP 128125101 13F (30d) 6 filings 6 filers