CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - CHI

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Marathon Strategic Advisors, LLC History Added to 288,327 3,096 2.23% 2.22% 1 +11,401 4.12% Q1 2026 Apr 15, 2026
Creekside Partners History Added to 229,190 2,461 1.01% 0.96% 2 +11,371 5.22% Q1 2026 Apr 21, 2026
OPPENHEIMER & CO INC History Added to 226,313 2,430 0.03% 0.03% 3 +11,510 5.36% Q1 2026 Apr 23, 2026
Samalin Investment Counsel, LLC History Added to 146,349 1,571 0.56% 0.25% 4 +78,643 116.15% Q1 2026 Apr 22, 2026
Everstar Asset Management, LLC History Reduced 111,723 1,199 0.64% 0.66% 5 -6,230 -5.28% Q1 2026 Apr 16, 2026
PMG Family Office LLC History Added to 99,052 1,063 1.19% 1.15% 6 +3,704 3.88% Q1 2026 Apr 17, 2026
KFA Private Wealth Group, LLC History Added to 97,732 1,049 0.25% 0.24% 7 +1,850 1.93% Q1 2026 Apr 20, 2026
Janney Montgomery Scott LLC History Added to 75,654 813 0.0% 0.0% 8 +3,618 5.02% Q1 2026 Apr 22, 2026
Legacy Wealth Management, LLC / MS History Added to 54,938 590 0.17% 0.15% 9 +185 0.34% Q1 2026 Apr 10, 2026
Apollon Wealth Management, LLC History Reduced 37,864 406 0.01% 0.02% 10 -74,996 -66.45% Q1 2026 Apr 22, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Reduced 35,917 401 0.0% 0.0% 11 -30,105 -45.6% Q1 2026 Apr 08, 2026
E&G Advisors, LP History Reduced 34,902 374 0.08% 0.08% 12 -100 -0.29% Q1 2026 Apr 21, 2026
CENTRAL TRUST Co History No change 33,400 358 0.01% 0.01% 13 0 0.0% Q1 2026 Apr 17, 2026
Patten Group, Inc. History No change 29,246 314 0.05% 0.06% 14 0 0.0% Q1 2026 Apr 24, 2026
Game Plan Financial Advisors, LLC History No change 25,000 268 0.12% 0.11% 15 0 0.0% Q1 2026 Apr 23, 2026
Lexington Hill Partners, LLC History Added to 22,497 241 0.14% 0.17% 16 +558 2.54% Q1 2026 Apr 16, 2026
Concurrent Investment Advisors, LLC History Added to 22,306 239 0.0% 0.0% 17 +307 1.4% Q1 2026 Apr 20, 2026
HALBERT HARGROVE GLOBAL ADVISORS, LLC History No change 20,050 215 0.01% 0.01% 18 0 0.0% Q1 2026 Apr 17, 2026
WEALTH EFFECTS LLC History Reduced 18,405 197 0.07% 0.06% 19 -675 -3.54% Q1 2026 Apr 21, 2026
Sunpointe, LLC History No change 17,745 190 0.06% 0.06% 20 0 0.0% Q1 2026 Apr 21, 2026
WEDBUSH SECURITIES INC History No change 17,050 183 0.01% 0.01% 21 0 0.0% Q1 2026 Apr 21, 2026
NOVEM GROUP History Added to 16,592 178 0.02% 0.02% 22 +326 2.0% Q1 2026 Apr 10, 2026
PINNACLE ASSOCIATES LTD History No change 16,433 176 0.0% 0.0% 23 0 0.0% Q1 2026 Apr 21, 2026
Clear Trail Advisors, LLC History Added to 16,245 174 0.03% 0.03% 24 +2,596 19.02% Q1 2026 Apr 17, 2026
Brookstone Capital Management History Added to 15,874 170 0.0% 0.0% 25 +785 5.2% Q1 2026 Apr 16, 2026
ProCore Advisors, LLC History No change 12,136 130 0.2% 0.13% 26 0 0.0% Q1 2026 Apr 23, 2026
MELFA WEALTH MANAGEMENT, INC. History No change 11,819 126 0.07% 0.07% 27 0 0.0% Q1 2026 Apr 10, 2026
CoreCap Advisors, LLC History Reduced 9,750 104 0.0% 0.01% 28 -17,487 -64.2% Q1 2026 Apr 07, 2026
Farther Finance Advisors, LLC History No change 5,340 59 0.0% 0.0% 29 0 0.0% Q1 2026 Apr 07, 2026
NBC SECURITIES, INC. History No change 4,413 47 0.0% 0.0% 30 0 0.0% Q1 2026 Apr 14, 2026
GHP Investment Advisors, Inc. History No change 2,400 25 0.0% 0.0% 31 0 0.0% Q1 2026 Apr 21, 2026
IFP Advisors, Inc History No change 2,000 21 0.0% 0.0% 32 0 0.0% Q1 2026 Apr 13, 2026
CX Institutional History Reduced 1,547 17 0.0% 0.0% 33 -629 -28.91% Q1 2026 Apr 06, 2026
Caldwell Trust Co History No change 1,534 16 0.0% 0.0% 34 0 0.0% Q1 2026 Apr 22, 2026
THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. History No change 1,000 10 0.0% 0.0% 35 0 0.0% Q1 2026 Apr 14, 2026
HHM Wealth Advisors, LLC History No change 725 7 0.0% 0.0% 36 0 0.0% Q1 2026 Apr 17, 2026
HIGHLINE WEALTH PARTNERS LLC History Reduced 250 2 0.0% 0.0% 37 -150 -37.5% Q1 2026 Apr 06, 2026
BANK OF AMERICA CORP /DE/ History Closed out 0 0 0.0% -2,484,015 -100.0% Q4 2025 Feb 17, 2026
UBS Group AG History Closed out 0 0 0.0% -2,187,784 -100.0% Q4 2025 Jan 29, 2026
MORGAN STANLEY History Closed out 0 0 0.0% -1,396,889 -100.0% Q4 2025 Feb 13, 2026
WELLS FARGO & COMPANY/MN History Closed out 0 0 0.0% -1,346,815 -100.0% Q4 2025 Feb 13, 2026
D.A. DAVIDSON & CO. History Closed out 0 0 0.07% -1,045,470 -100.0% Q4 2025 Jan 29, 2026
LPL Financial LLC History Closed out 0 0 0.0% -729,256 -100.0% Q4 2025 Feb 11, 2026
GUGGENHEIM CAPITAL LLC History Closed out 0 0 0.05% -694,810 -100.0% Q4 2025 Feb 17, 2026
AMERIPRISE FINANCIAL INC History Closed out 0 0 0.0% -659,365 -100.0% Q4 2025 Feb 17, 2026
COMMONWEALTH EQUITY SERVICES, LLC History Closed out 0 0 0.01% -554,988 -100.0% Q4 2025 Feb 12, 2026
Baird Financial Group, Inc. History Closed out 0 0 0.01% -543,001 -100.0% Q4 2025 Feb 13, 2026
RAYMOND JAMES FINANCIAL INC History Closed out 0 0 0.0% -322,265 -100.0% Q4 2025 Feb 18, 2026
Grange Capital, LLC History Closed out 0 0 3.11% -309,537 -100.0% Q4 2025 Feb 03, 2026
HARBOUR INVESTMENTS, INC. History Closed out 0 0 0.05% -239,497 -100.0% Q4 2025 Feb 09, 2026
Advisors Asset Management, Inc. History Closed out 0 0 0.04% -226,592 -100.0% Q4 2025 Feb 12, 2026
ROYAL BANK OF CANADA History Closed out 0 0 0.0% -218,299 -100.0% Q4 2025 Feb 17, 2026
OSAIC HOLDINGS, INC. History Closed out 0 0 0.0% -216,092 -100.0% Q4 2025 Feb 17, 2026
Cetera Investment Advisers History Closed out 0 0 0.0% -212,666 -100.0% Q4 2025 Feb 17, 2026
Cambridge Investment Research Advisors, Inc. History Closed out 0 0 0.01% -181,085 -100.0% Q4 2025 Feb 05, 2026
Rockefeller Capital Management L.P. History Closed out 0 0 0.0% -149,847 -100.0% Q4 2025 Mar 16, 2026
Focus Partners Wealth History Closed out 0 0 0.0% -143,225 -100.0% Q4 2025 Feb 13, 2026
NewEdge Advisors, LLC History Closed out 0 0 0.0% -103,066 -100.0% Q4 2025 Feb 18, 2026
COMERICA BANK History Closed out 0 0 0.0% -79,205 -100.0% Q4 2025 Jan 29, 2026
STIFEL FINANCIAL CORP History Closed out 0 0 0.0% -74,297 -100.0% Q4 2025 Feb 13, 2026
Total Wealth Planning & Management, Inc. History Closed out 0 0 0.55% -71,436 -100.0% Q4 2025 Feb 11, 2026
IHT Wealth Management, LLC History Closed out 0 0 0.02% -69,075 -100.0% Q4 2025 Feb 17, 2026
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. History Closed out 0 0 0.05% -68,264 -100.0% Q4 2025 Feb 13, 2026
Institute for Wealth Management, LLC. History Closed out 0 0 0.07% -58,696 -100.0% Q4 2025 Jan 27, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Closed out 0 0 0.0% -52,303 -100.0% Q4 2025 Feb 17, 2026
SAM Advisors, LLC History Closed out 0 0 0.17% -50,967 -100.0% Q4 2025 Feb 12, 2026
SEI INVESTMENTS CO History Closed out 0 0 0.0% -47,018 -100.0% Q4 2025 Feb 13, 2026
GREENBERG FINANCIAL GROUP History Closed out 0 0 0.2% -45,685 -100.0% Q4 2025 Jan 22, 2026
NORTHERN TRUST CORP History Closed out 0 0 0.0% -44,564 -100.0% Q4 2025 Feb 17, 2026
&PARTNERS History Closed out 0 0 0.0% -44,237 -100.0% Q4 2025 Feb 17, 2026
Arax Advisory Partners History Closed out 0 0 0.01% -41,673 -100.0% Q4 2025 Feb 13, 2026
CAPTRUST FINANCIAL ADVISORS History Closed out 0 0 0.0% -40,920 -100.0% Q4 2025 Feb 17, 2026
Geneos Wealth Management Inc. History Closed out 0 0 0.01% -38,474 -100.0% Q4 2025 Jan 28, 2026
CreativeOne Wealth, LLC History Closed out 0 0 0.01% -37,838 -100.0% Q4 2025 Feb 13, 2026
DUMONT & BLAKE INVESTMENT ADVISORS LLC History Closed out 0 0 0.09% -37,098 -100.0% Q4 2025 Jan 29, 2026
STEPHENS INC /AR/ History Closed out 0 0 0.0% -35,540 -100.0% Q4 2025 Feb 05, 2026
BENJAMIN EDWARDS INC History Closed out 0 0 0.0% -33,663 -100.0% Q4 2025 Feb 02, 2026
Stratos Wealth Partners, LTD. History Closed out 0 0 0.0% -31,523 -100.0% Q4 2025 Jan 20, 2026
WOLVERINE ASSET MANAGEMENT LLC History Closed out 0 0 0.0% -31,343 -100.0% Q4 2025 Feb 02, 2026
Jaffetilchin Investment Partners, LLC History Closed out 0 0 0.02% -31,029 -100.0% Q4 2025 Jan 15, 2026
Sigma Planning Corp History Closed out 0 0 0.01% -30,277 -100.0% Q4 2025 Jan 30, 2026
HighTower Advisors, LLC History Closed out 0 0 0.0% -30,121 -100.0% Q4 2025 Feb 06, 2026
DF DENT & CO INC History Closed out 0 0 0.0% -29,418 -100.0% Q4 2025 Feb 17, 2026
Private Advisor Group, LLC History Closed out 0 0 0.0% -29,189 -100.0% Q4 2025 Feb 17, 2026
Mutual Advisors, LLC History Closed out 0 0 0.01% -29,161 -100.0% Q4 2025 Feb 02, 2026
EP Wealth Advisors, LLC History Closed out 0 0 0.0% -28,500 -100.0% Q4 2025 Feb 18, 2026
Founders Financial Alliance, LLC History Closed out 0 0 0.06% -28,412 -100.0% Q4 2025 Feb 12, 2026
Sanctuary Advisors, LLC History Closed out 0 0 0.0% -28,268 -100.0% Q4 2025 Jan 29, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Closed out 0 0 0.0% -26,590 -100.0% Q4 2025 Feb 06, 2026
Capital CS Group, LLC History Closed out 0 0 0.41% -25,224 -100.0% Q4 2025 Jan 09, 2026
READYSTATE ASSET MANAGEMENT LP History Closed out 0 0 0.01% -24,702 -100.0% Q4 2025 Feb 17, 2026
PFG Investments, LLC History Closed out 0 0 0.01% -24,624 -100.0% Q4 2025 Jan 26, 2026
HOLLENCREST CAPITAL MANAGEMENT History Closed out 0 0 0.01% -24,293 -100.0% Q4 2025 Feb 12, 2026
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC History Closed out 0 0 0.02% -23,617 -100.0% Q4 2025 Feb 03, 2026
Mariner, LLC History Closed out 0 0 0.0% -23,380 -100.0% Q4 2025 Feb 13, 2026
MML INVESTORS SERVICES, LLC History Closed out 0 0 0.0% -22,579 -100.0% Q4 2025 Feb 13, 2026
KESTRA PRIVATE WEALTH SERVICES, LLC History Closed out 0 0 0.0% -20,803 -100.0% Q4 2025 Jan 29, 2026
CALTON & ASSOCIATES, INC. History Closed out 0 0 0.03% -20,332 -100.0% Q4 2025 Feb 10, 2026
Beacon Pointe Advisors, LLC History Closed out 0 0 0.0% -19,066 -100.0% Q4 2025 Feb 18, 2026
JANE STREET GROUP, LLC History Closed out 0 0 0.0% -18,563 -100.0% Q4 2025 Feb 12, 2026
Hilltop Partners LLC History Closed out 0 0 0.05% -18,305 -100.0% Q4 2025 Feb 10, 2026
Alpha Cubed Investments, LLC History Closed out 0 0 0.01% -16,808 -100.0% Q4 2025 Feb 03, 2026
HRT FINANCIAL LP History Closed out 0 0 0.0% -14,099 -100.0% Q4 2025 Feb 12, 2026
San Luis Wealth Advisors LLC History Closed out 0 0 0.02% -13,555 -100.0% Q4 2025 Jan 26, 2026
NWAM LLC History Closed out 0 0 0.01% -13,399 -100.0% Q4 2025 Feb 04, 2026
one8zero8, LLC History Closed out 0 0 0.03% -13,350 -100.0% Q4 2025 Feb 17, 2026
Clearwave Capital, LLC History Closed out 0 0 0.1% -13,060 -100.0% Q4 2025 Mar 02, 2026
Kovack Advisors, Inc. History Closed out 0 0 0.01% -12,999 -100.0% Q4 2025 Feb 17, 2026
ENVESTNET ASSET MANAGEMENT INC History Closed out 0 0 0.0% -12,979 -100.0% Q4 2025 Feb 10, 2026
Continuum Advisory, LLC History Closed out 0 0 0.01% -12,120 -100.0% Q4 2025 Feb 11, 2026
Palogic Value Management, L.P. History Closed out 0 0 0.05% -12,000 -100.0% Q4 2025 Feb 17, 2026
Modern Wealth Management, LLC History Closed out 0 0 0.0% -11,915 -100.0% Q4 2025 Feb 17, 2026
Allworth Financial LP History Closed out 0 0 0.0% -11,897 -100.0% Q4 2025 Feb 05, 2026
Clearstead Advisors, LLC History Closed out 0 0 0.0% -11,527 -100.0% Q4 2025 Feb 09, 2026
Cerity Partners LLC History Closed out 0 0 0.0% -11,435 -100.0% Q4 2025 Feb 11, 2026
Semus Wealth Partners LLC History Closed out 0 0 0.06% -11,228 -100.0% Q4 2025 Jan 27, 2026
Creative Planning History Closed out 0 0 0.0% -11,004 -100.0% Q4 2025 Feb 17, 2026
Steward Partners Investment Advisory, LLC History Closed out 0 0 0.0% -9,912 -100.0% Q4 2025 Feb 12, 2026
FLAGSHIP HARBOR ADVISORS, LLC History Closed out 0 0 0.0% -9,679 -100.0% Q4 2025 Jan 21, 2026
Kestra Advisory Services, LLC History Closed out 0 0 0.0% -8,857 -100.0% Q4 2025 Feb 13, 2026
Global Retirement Partners, LLC History Closed out 0 0 0.0% -8,308 -100.0% Q4 2025 Feb 06, 2026
BARRETT & COMPANY, INC. History Closed out 0 0 0.03% -7,750 -100.0% Q4 2025 Jan 28, 2026
MONETARY MANAGEMENT GROUP INC History Closed out 0 0 0.02% -7,500 -100.0% Q4 2025 Feb 11, 2026
Wilmington Savings Fund Society, FSB History Closed out 0 0 0.0% -4,000 -100.0% Q4 2025 Feb 12, 2026
AMERIFLEX GROUP, INC. History Closed out 0 0 0.02% -3,700 -100.0% Q4 2025 Feb 18, 2026
CWM, LLC History Closed out 0 0 0.0% -3,639 -100.0% Q4 2025 Jan 26, 2026
PRIVATE TRUST CO NA History Closed out 0 0 0.0% -3,000 -100.0% Q4 2025 Jan 26, 2026
Gen-Wealth Partners Inc History Closed out 0 0 0.01% -2,575 -100.0% Q4 2025 Feb 13, 2026
Costello Asset Management, INC History Closed out 0 0 0.01% -2,227 -100.0% Q4 2025 Feb 03, 2026
ORG Partners LLC History Closed out 0 0 0.0% -1,500 -100.0% Q4 2025 Jan 14, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History Closed out 0 0 0.0% -1,495 -100.0% Q4 2025 Feb 10, 2026
Center for Financial Planning, Inc. History Closed out 0 0 0.0% -1,094 -100.0% Q4 2025 Feb 05, 2026
McIlrath & Eck, LLC History Closed out 0 0 0.0% -811 -100.0% Q4 2025 Feb 03, 2026
ROTHSCHILD INVESTMENT LLC History Closed out 0 0 0.0% -662 -100.0% Q4 2025 Feb 10, 2026
Garton & Associates Financial Advisors LLC History Closed out 0 0 0.0% -575 -100.0% Q4 2025 Feb 18, 2026
Cape Investment Advisory, Inc. History Closed out 0 0 0.0% -402 -100.0% Q4 2025 Feb 17, 2026
Twin Lakes Capital Management, LLC History Closed out 0 0 0.0% -325 -100.0% Q4 2025 Feb 04, 2026
GAMMA Investing LLC History Closed out 0 0 0.0% -321 -100.0% Q4 2025 Jan 05, 2026
ASSETMARK, INC History Closed out 0 0 0.0% -241 -100.0% Q4 2025 Jan 23, 2026
CITIGROUP INC History Closed out 0 0 -27 -100.0% Q4 2025 Feb 13, 2026
HUNTINGTON NATIONAL BANK History Closed out 0 0 -1 -100.0% Q4 2025 Feb 09, 2026
Key FInancial Inc History No change 89 0 0 0.0% Q1 2026 Apr 24, 2026