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CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND

CIK: 0001171471 CHI Fixed Income
Report date: 2026-06-26
AUM $968M
Expense Ratio
Category Fixed Income
State
Fiscal Year End
Inception Date
Manager
Latest Filing 2026-06-26

Holdings

From latest SEC N-PORT filing · US-listed stocks only

160 positions
# Security Name CUSIP Asset Type Weight % Value ($M) Quantity
1 LNTH LANTHEUS HOLDINGS INC Since 2026-07-07 516544AB9 Debt
0.36%
$3.46 2,721,000
2 AAP ADVANCE AUTO PARTS Since 2026-07-07 00751YAK2 Debt
0.05%
$0.44 422,000
3 CCO Clear Channel Outdoor Holdings Inc Since 2026-07-07 18452RAF2 LON
0.05%
$0.46 460,998
4 BMRN BIOMARIN PHARMACEUTICAL Since 2026-07-07 09061GAL5 Debt
0.10%
$0.93 940,000
5 CENX CENTURY ALUMINUM COMPANY Since 2026-07-07 156431AS7 Debt
0.10%
$0.98 950,000
6 EMBC EMBECTA CORP Since 2026-07-07 29082KAB1 Debt
0.02%
$0.23 240,000
7 VIAV VIAVI SOLUTIONS INC Since 2026-07-07 925550AF2 Debt
0.14%
$1.37 1,435,000
8 HRI HERC HOLDINGS INC Since 2026-07-07 42704LAE4 Debt
0.05%
$0.49 475,000
9 ENR ENERGIZER HOLDINGS INC Since 2026-07-07 29272WAG4 Debt
0.05%
$0.45 475,000
10 MKSI MKS INC Since 2026-07-07 55306NAB0 Debt
2.88%
$27.87 14,250,000
11 QXO QXO INC Since 2026-07-07 82846H504 Equity (Preferred)
0.48%
$4.65 82,135
12 WFC WELLS FARGO & COMPANY Since 2026-07-07 95002YAE3 Debt
0.10%
$0.94 940,000
13 VST VISTRA CORP Since 2026-07-07 92840MAC6 Debt
0.05%
$0.45 450,000
14 ALLY ALLY FINANCIAL INC Since 2026-07-07 02005NCB4 Debt
0.10%
$0.95 950,000
15 POST POST HOLDINGS INC Since 2026-07-07 737446AU8 Debt
0.10%
$0.97 950,000
16 TWLO TWILIO INC Since 2026-07-07 90138FAC6 Debt
0.07%
$0.65 680,000
17 CNP CENTERPOINT ENERGY INC Since 2026-07-07 15189TBP1 Debt
0.05%
$0.48 475,000
18 NWL NEWELL BRANDS INC Since 2026-07-07 651229BE5 Debt
0.05%
$0.46 475,000
19 DVA DAVITA INC Since 2026-07-07 23918KAW8 Debt
0.10%
$0.96 925,000
20 NBR NABORS INDUSTRIES INC Since 2026-07-07 62957HAR6 Debt
0.14%
$1.34 1,285,000
21 UNFI United Natural Foods Inc Since 2026-07-07 91116KAD7 LON
0.05%
$0.48 475,860
22 ENS ENERSYS Since 2026-07-07 29275YAF9 Debt
0.05%
$0.52 500,000
23 UNFI UNITED NATURAL FOODS INC Since 2026-07-07 911163AA1 Debt
0.06%
$0.63 628,000
24 AAP ADVANCE AUTO PARTS Since 2026-07-07 00751YAL0 Debt
0.03%
$0.24 237,000
25 KKR KKR & CO INC Since 2026-07-07 48251W500 Equity (Preferred)
0.53%
$5.17 116,510
26 VSAT ViaSat Inc Since 2026-07-07 92555WAF2 LON
0.06%
$0.55 549,629
27 CIFR CIPHER DIGITAL INC Since 2026-07-07 17253JAB2 Debt
1.65%
$15.98 11,500,000
28 MHO M/I HOMES INC Since 2026-07-07 55305BAV3 Debt
0.06%
$0.60 635,000
29 CRWV COREWEAVE INC Since 2026-07-07 21873SAH1 Debt
0.67%
$6.47 5,368,000
30 CRBG COREBRIDGE FINANCIAL INC Since 2026-07-07 21871XAT6 Debt
0.10%
$0.93 935,000
31 ES EVERSOURCE ENERGY Since 2026-07-07 30040WBC1 Debt
0.05%
$0.47 475,000
32 GEN GEN DIGITAL INC Since 2026-07-07 668771AK4 Debt
0.05%
$0.50 500,000
33 KSS KOHL'S CORPORATION Since 2026-07-07 500255AV6 Debt
0.03%
$0.28 470,000
34 PSX PHILLIPS 66 CO Since 2026-07-07 718547AZ5 Debt
0.05%
$0.47 475,000
35 BHC Bausch Health Companies Inc Since 2026-07-07 LON
0.21%
$2.04 2,085,302
36 BBIO BRIDGEBIO PHARMA INC Since 2026-07-07 10806XAJ1 Debt
0.47%
$4.53 2,750,000
37 NEE NEXTERA ENERGY INC Since 2026-07-07 65339F119 Equity (Preferred)
1.03%
$9.93 184,410
38 POST POST HOLDINGS INC Since 2026-07-07 737446AV6 Debt
0.09%
$0.83 829,000
39 GPI GROUP 1 AUTOMOTIVE INC Since 2026-07-07 398905AQ2 Debt
0.06%
$0.61 600,000
40 KGS KODIAK GAS SERVICES LLC Since 2026-07-07 50012LAF1 Debt
0.05%
$0.48 475,000
41 LYFT LYFT INC Since 2026-07-07 55087PAE4 Debt
1.26%
$12.24 12,500,000
42 PENN PENN ENTERTAINMENT INC Since 2026-07-07 707569AY5 Debt
0.10%
$0.94 950,000
43 ASTS AST SPACEMOBILE INC Since 2026-07-07 00217DAE0 Debt
0.50%
$4.81 4,750,000
44 DVA DAVITA INC Since 2026-07-07 23918KAT5 Debt
0.11%
$1.06 1,139,000
45 XRAY DENTSPLY SIRONA INC Since 2026-07-07 24906PAB5 Debt
0.10%
$0.95 950,000
46 NWL NEWELL BRANDS INC Since 2026-07-07 651229BG0 Debt
0.05%
$0.50 475,000
47 CSTM CONSTELLIUM SE Since 2026-07-07 21039CAD6 Debt
0.04%
$0.39 375,000
48 DASH DOORDASH INC Since 2026-07-07 25809KAA3 Debt
1.31%
$12.67 13,250,000
49 LITE LUMENTUM HOLDINGS INC Since 2026-07-07 55024UAJ8 Debt
4.79%
$46.31 9,500,000
50 GPI GROUP 1 AUTOMOTIVE INC Since 2026-07-07 398905AN9 Debt
0.04%
$0.40 407,000
51 COHR Coherent Corp Since 2026-07-07 45173JAT1 LON
0.04%
$0.38 376,071
52 COHR COHERENT CORP Since 2026-07-07 902104AC2 Debt
0.06%
$0.55 557,000
53 IAUX I-80 GOLD CORP Since 2026-07-07 44955LAC0 Debt
0.32%
$3.09 2,750,000
54 TWLO TWILIO INC Since 2026-07-07 90138FAD4 Debt
0.02%
$0.22 236,000
55 GTN.A GRAY MEDIA INC Since 2026-07-07 389375AP1 Debt
0.05%
$0.48 475,000
56 AVAV AEROVIRONMENT INC Since 2026-07-07 008073AA6 Debt
0.68%
$6.61 6,500,000
57 ENS ENERSYS Since 2026-07-07 29275YAC6 Debt
0.05%
$0.47 475,000
58 ALLY ALLY FINANCIAL INC Since 2026-07-07 02005NBN9 Debt
0.04%
$0.43 445,000
59 ALLY ALLY FINANCIAL INC Since 2026-07-07 02005NBM1 Debt
0.14%
$1.32 1,327,000
60 WULF TERAWULF INC Since 2026-07-07 88080TAE4 Debt
0.17%
$1.65 1,211,000
61 LEU CENTRUS ENERGY CORP Since 2026-07-07 15643UAF1 Debt
0.71%
$6.84 5,750,000
62 MET METLIFE INC Since 2026-07-07 59156RCR7 Debt
0.02%
$0.24 240,000
63 ZTS ZOETIS INC Since 2026-07-07 98978VAY9 Debt
0.47%
$4.58 4,625,000
64 NFE New Fortress Energy Inc Since 2026-07-07 64439HAC3 LON
65 EQPT EQUIPMENTSHARE.COM INC Since 2026-07-07 29450YAC3 Debt
0.04%
$0.38 359,000
66 CZR Caesars Entertainment Inc Since 2026-07-07 12768EAG1 LON
0.06%
$0.54 557,169
67 NET CLOUDFLARE INC Since 2026-07-07 18915MAE7 Debt
1.96%
$19.01 16,500,000
68 NMRK NEWMARK GROUP INC Since 2026-07-07 65158NAD4 Debt
0.05%
$0.50 475,000
69 SLGN SILGAN HOLDINGS INC Since 2026-07-07 827048AW9 Debt
0.11%
$1.09 1,105,000
70 APO APOLLO GLOBAL MANAGEMENT Since 2026-07-07 03769M304 Equity (Preferred)
0.57%
$5.49 83,465
71 AMRX AMNEAL PHARMACEUTICALS LLC Since 2026-07-07 03167DAS3 LON
0.18%
$1.76 1,749,700
72 CNP CENTERPOINT ENERGY INC Since 2026-07-07 15189TBQ9 Debt
1.97%
$19.10 18,000,000
73 ENR ENERGIZER HOLDINGS INC Since 2026-07-07 29272WAD1 Debt
0.11%
$1.05 1,096,000
74 COGT COGENT BIOSCIENCES INC Since 2026-07-07 19240QAA0 Debt
0.22%
$2.10 1,760,000
75 Q QNITY ELECTRONICS INC Since 2026-07-07 74743LAB6 Debt
0.10%
$0.97 950,000
76 DDOG DATADOG INC Since 2026-07-07 23804LAD5 Debt
1.35%
$13.03 13,000,000
77 C CITIGROUP INC Since 2026-07-07 17327CBC6 Debt
0.09%
$0.90 880,000
78 GTN.A GRAY MEDIA INC Since 2026-07-07 389286AA3 Debt
0.04%
$0.37 475,000
79 SIRI SIRIUS XM HOLDINGS Since 2026-07-07 531229AP7 Debt
0.51%
$4.93 4,500,000
80 VST VISTRA CORP Since 2026-07-07 92840MAB8 Debt
0.03%
$0.25 250,000
81 WULF TERAWULF INC Since 2026-07-07 88080TAC8 Debt
1.70%
$16.41 8,500,000
82 EVRG EVERGY INC Since 2026-07-07 30034WAE6 Debt
0.07%
$0.72 710,000
83 CMCO COLUMBUS MCKINNON CORPORATION Since 2026-07-07 19933MAS2 LON
0.07%
$0.65 644,608
84 BBWI BATH & BODY WORKS INC Since 2026-07-07 501797AW4 Debt
0.07%
$0.66 655,000
85 SAH SONIC AUTOMOTIVE INC Since 2026-07-07 83545GBD3 Debt
0.05%
$0.52 535,000
86 BWXT BWX TECHNOLOGIES INC Since 2026-07-07 05605HAC4 Debt
0.10%
$0.93 956,000
87 PATK PATRICK INDUSTRIES INC Since 2026-07-07 703343AH6 Debt
0.05%
$0.48 475,000
88 F FORD MOTOR COMPANY Since 2026-07-07 345370DB3 Debt
0.11%
$1.02 1,000,000
89 LAD LITHIA MOTORS INC Since 2026-07-07 536797AJ2 Debt
0.05%
$0.47 475,000
90 WOLF WOLFSPEED INC Since 2026-07-07 977852AS1 Debt
0.11%
$1.11 1,358,149
91 BBWI BATH & BODY WORKS INC Since 2026-07-07 501797AL8 Debt
0.05%
$0.48 485,000
92 EQPT EQUIPMENTSHARE.COM INC Since 2026-07-07 29450YAB5 Debt
0.06%
$0.63 590,000
93 NEE NEXTERA ENERGY INC Since 2026-07-07 65339F663 Equity (Preferred)
0.52%
$5.04 85,285
94 COIN COINBASE GLOBAL INC Since 2026-07-07 19260QAJ6 Debt
0.98%
$9.51 11,250,000
95 CDE COEUR MINING INC Since 2026-07-07 192120AA1 Debt
0.10%
$0.98 950,000
96 D DOMINION ENERGY INC Since 2026-07-07 25746UDV8 Debt
0.05%
$0.48 475,000
97 TRIP TripAdvisor Inc Since 2026-07-07 89677NAE4 LON
0.06%
$0.54 569,274
98 PENN PENN ENTERTAINMENT INC Since 2026-07-07 707569AV1 Debt
0.06%
$0.54 570,000
99 TEM TEMPUS AI INC Since 2026-07-07 88023BAD5 Debt
0.22%
$2.09 2,000,000
100 ACA ARCOSA INC Since 2026-07-07 039653AA8 Debt
0.05%
$0.53 538,000
101 VSNT Versant Media Group Inc Since 2026-07-07 92528PAB0 LON
0.13%
$1.29 1,290,000
102 ENB ENBRIDGE INC Since 2026-07-07 29250NCF0 Debt
0.05%
$0.52 485,000
103 UCTT ULTRA CLEAN HOLDINGS INC Since 2026-07-07 90385VAA5 Debt
1.86%
$18.02 14,500,000
104 LCID LUCID GROUP INC Since 2026-07-07 549498AC7 Debt
0.18%
$1.72 3,500,000
105 DAVE DAVE INC Since 2026-07-07 23834JAA0 Debt
0.61%
$5.89 4,750,000
106 W WAYFAIR INC Since 2026-07-07 94419LAR2 Debt
0.40%
$3.84 2,500,000
107 KBR KBR INC Since 2026-07-07 48242WAC0 Debt
0.11%
$1.03 1,050,000
108 COIN COINBASE GLOBAL INC Since 2026-07-07 19260QAF4 Debt
0.45%
$4.35 4,500,000
109 XYZ BLOCK INC Since 2026-07-07 852234AU7 Debt
0.02%
$0.24 238,000
110 CACI CACI INTERNATIONAL INC Since 2026-07-07 127190AE6 Debt
0.08%
$0.73 710,000
111 ETSY ETSY INC Since 2026-07-07 29786AAP1 Debt
0.48%
$4.62 4,250,000
112 SNEX STONEX GROUP INC Since 2026-07-07 861896AA6 Debt
0.13%
$1.25 1,190,000
113 BBWI BATH & BODY WORKS INC Since 2026-07-07 501797AR5 Debt
0.03%
$0.26 256,000
114 MIR MIRION TECHNOLOGIES INC Since 2026-07-07 60471AAA9 Debt
0.87%
$8.46 7,500,000
115 CRWV COREWEAVE INC Since 2026-07-07 21873SAD0 Debt
0.98%
$9.44 7,250,000
116 DVA DAVITA INC Since 2026-07-07 23918KAS7 Debt
0.11%
$1.03 1,061,000
117 STWD STARWOOD PROPERTY TRUST Since 2026-07-07 85571BBC8 Debt
0.10%
$0.96 950,000
118 JOBY JOBY AVIATION INC Since 2026-07-07 47775AAA9 Debt
0.45%
$4.36 4,750,000
119 BGS B&G Foods, Inc. Since 2026-07-07 05508TAV4 LON
0.07%
$0.68 699,350
120 INDV INDIVIOR PHARMACEUTICALS Since 2026-07-07 45579UAA7 Debt
0.56%
$5.43 4,750,000
121 HRI HERC HOLDINGS INC Since 2026-07-07 42704LAG9 Debt
0.05%
$0.50 475,000
122 WT WISDOMTREE INC Since 2026-07-07 97717PAJ3 Debt
0.52%
$5.04 4,250,000
123 PPL PPL CORPORATION Since 2026-07-07 69351T866 Equity (Preferred)
2.01%
$19.43 385,170
124 LBRT LIBERTY ENERGY INC Since 2026-07-07 53115LAC8 Debt
0.30%
$2.90 2,568,000
125 BBIO BRIDGEBIO PHARMA INC Since 2026-07-07 10806XAK8 Debt
0.54%
$5.19 5,250,000
126 EMBC EMBECTA CORP Since 2026-07-07 29082KAA3 Debt
0.07%
$0.67 717,000
127 ORA ORMAT TECHNOLOGIES INC Since 2026-07-07 686688AD4 Debt
0.52%
$5.03 4,750,000
128 MSTR STRATEGY INC Since 2026-07-07 594972AN1 Debt
1.04%
$10.03 8,250,000
129 FOR FORESTAR GROUP INC Since 2026-07-07 346232AG6 Debt
0.05%
$0.48 475,000
130 WOLF Wolfspeed Inc Since 2026-07-07 97785W106 Equity (Common)
0.34%
$3.32 112,416
131 UUUU ENERGY FUELS INC Since 2026-07-07 292671AC8 Debt
0.45%
$4.31 3,250,000
132 ATEC ALPHATEC HOLDINGS INC Since 2026-07-07 02081GAD4 Debt
0.59%
$5.71 5,750,000
133 SNAP SNAP INC Since 2026-07-07 83304AAK2 Debt
1.42%
$13.75 16,250,000
134 GNL GLOBAL NET LEASE INC Since 2026-07-07 02608AAA7 Debt
0.06%
$0.61 630,000
135 GH GUARDANT HEALTH INC Since 2026-07-07 40131MAE9 Debt
0.51%
$4.96 4,750,000
136 PATK PATRICK INDUSTRIES INC Since 2026-07-07 703343AD5 Debt
0.09%
$0.83 849,000
137 LBRT LIBERTY ENERGY INC Since 2026-07-07 53115LAA2 Debt
0.87%
$8.46 7,000,000
138 RVMD REVOLUTION MEDICINES INC Since 2026-07-07 76155XAA8 Debt
0.49%
$4.71 4,257,000
139 CCS CENTURY COMMUNITIES Since 2026-07-07 156504AN2 Debt
0.10%
$0.95 950,000
140 XEL XCEL ENERGY INC Since 2026-07-07 98389BBF6 Debt
0.02%
$0.24 240,000
141 NWL NEWELL BRANDS INC Since 2026-07-07 651229BF2 Debt
0.05%
$0.47 475,000
142 XYZ BLOCK INC Since 2026-07-07 852234AT0 Debt
0.05%
$0.47 470,000
143 BLCO Bausch & Lomb Corporation Since 2026-07-07 LON
0.11%
$1.06 1,055,510
144 BWXT BWX TECHNOLOGIES INC Since 2026-07-07 05605HAD2 Debt
2.08%
$20.09 18,500,000
145 NI NISOURCE INC Since 2026-07-07 65473PAR6 Debt
0.08%
$0.74 718,000
146 ACA ARCOSA INC Since 2026-07-07 039653AC4 Debt
0.05%
$0.49 475,000
147 WK WORKIVA INC Since 2026-07-07 98139AAD7 Debt
0.36%
$3.49 3,750,000
148 LUMN LUMEN TECHNOLOGIES INC Since 2026-07-07 156700AM8 Debt
0.06%
$0.58 605,000
149 MP MP MATERIALS CORP Since 2026-07-07 553368AC5 Debt
0.58%
$5.57 1,750,000
150 SNOW SNOWFLAKE INC Since 2026-07-07 833445AD1 Debt
1.11%
$10.75 9,250,000
151 ENB ENBRIDGE INC Since 2026-07-07 29250NCG8 Debt
0.08%
$0.77 724,000
152 PTON PELOTON INTERACTIVE INC Since 2026-07-07 70614EAG5 LON
0.07%
$0.66 656,879
153 NEE NEXTERA ENERGY INC Since 2026-07-07 65339F655 Equity (Preferred)
0.52%
$4.99 95,000
154 AKAM AKAMAI TECHNOLOGIES INC Since 2026-07-07 00971TAP6 Debt
2.44%
$23.63 18,000,000
155 EA ELECTRONIC ARTS INC Since 2026-07-07 67123SAB5 LON
0.09%
$0.92 915,000
156 OPTU Optimum Communications Inc Since 2026-07-07 02156K103 Equity (Common)
0.00%
$0.03 20,285
157 TTMI TTM TECHNOLOGIES INC Since 2026-07-07 87305RAK5 Debt
0.14%
$1.31 1,350,000
158 HRI HERC HOLDINGS INC Since 2026-07-07 42704LAF1 Debt
0.05%
$0.49 475,000
159 UBER UBER TECHNOLOGIES INC Since 2026-07-07 90353TAM2 Debt
1.84%
$17.76 14,500,000
160 ASTS AST SPACEMOBILE INC Since 2026-07-07 00217DAG5 Debt
0.36%
$3.49 3,750,000
Frequently Asked Questions — CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
What type of mutual fund is CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND?
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND is a SEC-registered Fixed Income fund, with $968M in assets under management. Fixed Income funds invest in bonds, government securities, and other debt instruments, seeking regular income and capital preservation. They are generally considered lower risk than equity funds but are sensitive to changes in interest rates — when rates rise, bond prices typically fall. Fixed income funds are commonly used by income-oriented investors or as a portfolio stabiliser alongside equities. As of its latest SEC N-PORT filing, CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND holds 160 portfolio positions, all detailed in the holdings table on this page.
What are CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND's assets under management (AUM)?
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND has $968M in assets under management (AUM) according to its most recent SEC N-PORT filing on StockSifting. AUM represents the total market value of all securities and other assets held by the fund as of the report date. A larger AUM generally signals a more established fund with greater institutional adoption, more trading liquidity, and potentially lower per-unit operational costs due to economies of scale. AUM changes daily as market prices fluctuate and as investors purchase or redeem fund shares — the figure shown here reflects the most recently available N-PORT disclosure, not the current real-time value. For the live figure, consult the fund's official website or its latest SEC EDGAR filing.
What are CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND's top holdings?
According to CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND's most recent SEC N-PORT filing, the fund's largest holdings by portfolio weight include LANTHEUS HOLDINGS INC, ADVANCE AUTO PARTS, Clear Channel Outdoor Holdings Inc , among others. The complete list of all 160 holdings — including CUSIP, asset type, portfolio weight percentage, dollar value, and share quantity — is available in the holdings table above. Holdings data is sourced directly from SEC EDGAR N-PORT filings and reflects the fund's positions as of the report date shown at the top of this page. Due to the 60-day SEC disclosure lag, these positions may differ from the fund's current portfolio. For the latest holdings before public release, refer to SEC EDGAR directly.
What is CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND's expense ratio?
Expense ratio data for CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND is not currently available in StockSifting's database. The expense ratio is the annual fee charged by a mutual fund as a percentage of your investment, covering management fees and operational costs. It is one of the most important factors affecting net long-term returns — lower expense ratios allow more of a fund's gross performance to flow through to investors. For the most accurate and current expense ratio, refer to the fund's official prospectus or its SEC EDGAR filings. You can also contact us if you believe this data should be present.
Where can I find CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND's SEC filings?
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND is required to file monthly portfolio reports (Form N-PORT) with the U.S. Securities and Exchange Commission (SEC). Its SEC Central Index Key (CIK) is 0001171471. You can access all of CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND's SEC filings — including N-PORT holdings disclosures, annual reports (Form N-CEN), and registration statements — directly on SEC EDGAR (CIK: 0001171471). N-PORT filings disclose the fund's complete portfolio holdings, fair value measurements, and certain risk metrics as of each filing period end date. StockSifting automatically parses these filings to populate the holdings table, AUM figures, and expense ratio displayed on this page, making the raw EDGAR data accessible without needing to download and parse XML files manually.
How current is CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND's holdings data on StockSifting?
Holdings data for CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND on StockSifting is sourced from its most recent SEC EDGAR N-PORT filing. Under SEC rules, registered investment companies must file N-PORT reports monthly, but these are made publicly available approximately 60 days after the reporting period end date. This means the holdings shown on this page reflect the fund's portfolio from roughly two months prior — not today's exact positions. The Report date displayed at the top of this page indicates exactly when the underlying data was current. If the fund has made significant portfolio changes since that date — responding to market events, earnings releases, or macro shifts — those changes will not be reflected here until the next N-PORT filing is released. For the most up-to-date holdings before the public disclosure window, refer to the fund's official website or SEC EDGAR directly. StockSifting is best used for fundamental research and historical portfolio analysis, not real-time trading decisions.