CHI

Calamos Convertible Opportunities & Income Fund

Company with tickers: CHI

CIK

1171471

CUSIP

128117108

Shares Outstanding

80,706,787

13F Activity (30d)

63 filings 54 filers

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 CONVERTIBLE OPPORTUNITIES & INCOME FUND

Reported 2026-01-31

Net Assets

$892,253,112

Total Assets

$1,452,489,550

Holdings

613

Filed

2026-03-31

Holding	CUSIP	Balance	Units	Value	% Net Assets	Category	Country
WESTERN DIGITAL CORP	958102AT2	5,250,000	PA	$34,815,165	3.90%	DBT	US
LUMENTUM HOLDINGS INC	55024UAJ8	13,750,000	PA	$31,221,988	3.50%	DBT	US
BOEING CO/THE	097023204	401,365	NS	$29,989,993	3.36%	EP	US
MKS INC	55306NAB0	15,750,000	PA	$26,571,510	2.98%	DBT	US
BLOOM ENERGY CORP	093712AN7	17,250,000	PA	$19,474,733	2.18%	DBT	US
ALIBABA GROUP HOLDING	000000000	17,250,000	PA	$19,298,610	2.16%	DBT	KY
BWX TECHNOLOGIES INC	05605HAD2	18,500,000	PA	$19,182,095	2.15%	DBT	US
SEAGATE HDD CAYMAN	81180WBL4	3,750,000	PA	$18,674,138	2.09%	DBT	KY
UBER TECHNOLOGIES INC	90353TAM2	14,500,000	PA	$18,580,445	2.08%	DBT	US
CYBERARK SOFTWARE LTD	23248VAC9	16,500,000	PA	$17,368,560	1.95%	DBT	IL
PPL CAPITAL FUNDING INC	69352PAS2	15,250,000	PA	$17,202,610	1.93%	DBT	US
AKAMAI TECHNOLOGIES INC	00971TAP6	14,000,000	PA	$16,997,260	1.90%	DBT	US
ON SEMICONDUCTOR CORP	682189AU9	17,250,000	PA	$16,887,233	1.89%	DBT	US
SOUTHERN CO	842587842	285,000	NS	$14,606,250	1.64%	EP	US
IREN LTD	46270CAE9	15,500,000	PA	$14,342,460	1.61%	DBT	AU
SHIFT4 PAYMENTS INC	82452JAD1	14,750,000	PA	$14,197,908	1.59%	DBT	US
SNAP INC	83304AAK2	16,250,000	PA	$14,014,813	1.57%	DBT	US
DOORDASH INC	25809KAA3	13,250,000	PA	$13,280,078	1.49%	DBT	US
LYFT INC	55087PAE4	12,500,000	PA	$13,215,500	1.48%	DBT	US
SNOWFLAKE INC	833445AD1	9,250,000	PA	$13,034,083	1.46%	DBT	US
DATADOG INC	23804LAD5	13,000,000	PA	$12,810,980	1.44%	DBT	US
ADVANCED ENERGY IND	007973AE0	6,500,000	PA	$12,630,930	1.42%	DBT	US
RIVIAN AUTO INC	76954AAB9	11,500,000	PA	$12,160,445	1.36%	DBT	US
MACOM TECH SOLUTIONS	55405YAD2	8,000,000	PA	$11,549,200	1.29%	DBT	US
TERAWULF INC	88080TAC8	8,500,000	PA	$11,252,470	1.26%	DBT	US
CLOUDFLARE INC	18915MAE7	10,445,000	PA	$10,974,770	1.23%	DBT	US
CIPHER MINING	17253JAB2	8,250,000	PA	$10,589,453	1.19%	DBT	US
LIBERTY MEDIA CORP	531229AQ5	9,000,000	PA	$10,517,220	1.18%	DBT	US
AEROVIRONMENT INC	008073AA6	8,750,000	PA	$10,346,263	1.16%	DBT	US
IONIS PHARMACEUTICALS IN	462222AG5	9,250,000	PA	$10,249,093	1.15%	DBT	US
UBER TECHNOLOGIES INC	90353TAR1	10,147,000	PA	$10,201,794	1.14%	DBT	US
MICROCHIP TECHNOLOGY INC	595017302	152,495	NS	$10,192,766	1.14%	EP	US
Bank of America Corp	060505682	8,100	NS	$10,092,600	1.13%	EP	US
HALOZYME THERAPEUTICS IN	40637HAJ8	9,250,000	PA	$9,728,318	1.09%	DBT	US
MIRION TECHNOLOGIES INC	60471AAA9	7,500,000	PA	$9,724,350	1.09%	DBT	US
COINBASE GLOBAL INC	19260QAJ6	11,250,000	PA	$9,613,463	1.08%	DBT	US
CMS ENERGY CORP	125896BX7	8,750,000	PA	$9,461,900	1.06%	DBT	US
STRATEGY INC	594972AL5	9,000,000	PA	$9,280,260	1.04%	DBT	US
ALBEMARLE CORP	012653200	132,880	NS	$9,213,899	1.03%	EP	US
NextEra Energy Inc	65339F101	102,861	NS	$9,041,482	1.01%	EC	US
LIVE NATION ENTERTAINMEN	538034BC2	8,500,000	PA	$9,038,390	1.01%	DBT	US
ZSCALER INC.	98980GAC6	9,250,000	PA	$8,606,478	0.96%	DBT	US
DIGITAL REALTY TRUST LP	25389JAX4	8,250,000	PA	$8,554,013	0.96%	DBT	US
CENTRUS ENERGY CORP	15643UAF1	5,750,000	PA	$8,378,268	0.94%	DBT	US
GUIDEWIRE SOFTWARE INC	40171VAC4	8,500,000	PA	$8,259,280	0.93%	DBT	US
WAYFAIR INC	94419LAR2	3,500,000	PA	$8,239,665	0.92%	DBT	US
ARES MANAGEMENT CORP	03990B309	165,055	NS	$7,894,581	0.88%	EP	US
DUKE ENERGY CORP	26441CBY0	7,500,000	PA	$7,794,375	0.87%	DBT	US
BARCLAYS BANK PLC	06744EDH7	7,500,000	PA	$7,745,025	0.87%	DBT	GB
KKR & CO INC	48251W500	156,055	NS	$7,637,332	0.86%	EP	US

Showing 1–50 of 613 holdings