CHI · Calamos Convertible Opportunities & Income Fund · Holdings

$12.36 -0.01 (-0.08%) At close · Sep 11

Market Cap

$999.57M

80.87M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 137

Total Value: $252,845,298

Total Shares: 18,749,179

Showing 1–100 of 137 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 137 13F filers · Δ vs Mar 31, 2026

Top Holder

15.3%

+0.7 pts

Top 5

50.4%

+0.9 pts

Top 10

67.2%

+0.5 pts

HHI

665

Broadly held+29

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +1

Institutional value: +31.3%

Shares held: +4.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BANK OF AMERICA CORP /DE/	+254,277	2,883,914
Mid Advisors Asset Management, Inc.	+202,941	533,895
Mega UBS Group AG	+196,134	2,574,530
Mega MORGAN STANLEY	+137,555	1,551,031
Small Samalin Investment Counsel, LLC	+60,096	206,445

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Micro Grange Capital, LLC	−148,404	146,012
Micro KFA Private Wealth Group, LLC	−60,563	37,169
Small Institute for Wealth Management, LLC.	−57,582	1,695
Large Cambridge Investment Research Advisors, Inc.	−38,365	148,918
Mid Beacon Pointe Advisors, LLC	−13,676	13,610

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Small Advisory Solutions Group, LLC	82,718	$1,111,729
Mid XTX Topco Ltd	25,761	$346,227
Large Cerity Partners LLC	15,728	$211,384
Small Carrera Capital Advisors	13,000	$174,720
Mid MGO ONE SEVEN LLC	10,807	$145,246

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid First Nebraska Trust Co	33,760	$362,582
Mid Stratos Wealth Partners, LTD.	27,338	$293,610
Small Capital CS Group, LLC	25,224	$270,905
Micro Lexington Hill Partners, LLC	22,497	$241,617
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	19,899	$213,715

Filter: New 16 Increased 48 Reduced 34 Sold out 15 Unchanged 39

Showing 100 of 137

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BANK OF AMERICA CORP /DE/

$38,759,804

15.33%

2,883,914

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.	2,883,914	$38,759,804	100.0%	Defined

UBS Group AG

$34,601,682

13.68%

2,574,530

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	2,570,719	$34,550,463	99.9%	Defined
UBS Securities LLC	3,811	$51,219	0.1%	Defined

MORGAN STANLEY

$20,845,856

8.24%

1,551,031

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	1,551,031	$20,845,856	100.0%	Defined

WELLS FARGO & COMPANY/MN

$18,316,569

7.24%

1,362,840

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	1,220,735	$16,406,678	89.6%	Defined
WELLS FARGO CLEARING SERVICES, LLC	142,105	$1,909,891	10.4%	Defined

D.A. DAVIDSON & CO.

$14,856,817

5.88%

1,105,418

LPL Financial LLC

$9,418,295

3.72%

700,766

GUGGENHEIM CAPITAL LLC

$8,646,072

3.42%

643,309

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GUGGENHEIM FUNDS DISTRIBUTORS, LLC	643,309	$8,646,072	100.0%	Defined

AMERIPRISE FINANCIAL INC

$8,603,306

3.40%

640,127

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Ameriprise Financial Services, LLC	637,201	$8,563,981	99.5%	Defined
Ameriprise Bank, FSB	2,926	$39,325	0.5%	Defined

Baird Financial Group, Inc.

$8,250,291

3.26%

613,861

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Robert W. Baird & Co. Inc	613,861	$8,250,291	100.0%	Defined

COMMONWEALTH EQUITY SERVICES, LLC

$7,575,939

3.00%

563,686

Advisors Asset Management, Inc.

$7,175,548

2.84%

533,895

Marathon Strategic Advisors, LLC

$3,948,954

1.56%

293,821

RAYMOND JAMES FINANCIAL INC

$3,883,137

1.54%

288,924

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	100,781	$1,354,496	34.9%	Defined
Raymond James Financial Services Advisors, Inc.	188,143	$2,528,641	65.1%	Defined

HARBOUR INVESTMENTS, INC.

$3,678,554

1.45%

273,702

OSAIC HOLDINGS, INC.

$3,481,590

1.38%

259,047

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	236,101	$3,173,197	91.1%	Defined
CW Advisors, LLC	16,634	$223,560	6.4%	Sole
Osaic Advisory Services, LLC	6,312	$84,833	2.4%	Defined

Creekside Partners

$3,196,784

1.26%

237,856

OPPENHEIMER & CO INC

$3,189,863

1.26%

237,341

ROYAL BANK OF CANADA

$2,984,311

1.18%

222,047

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	222,047	$2,984,311	100.0%	Defined

Samalin Investment Counsel, LLC

$2,774,620

1.10%

206,445

Cetera Investment Advisers

$2,466,737

0.98%

183,537

NewEdge Advisors, LLC

$2,267,637

0.90%

168,723

Rockefeller Capital Management L.P.

$2,074,087

0.82%

154,322

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	154,322	$2,074,087	100.0%	Defined

Cambridge Investment Research Advisors, Inc.

$2,001,457

0.79%

148,918

Grange Capital, LLC

$1,962,401

0.78%

146,012

Focus Partners Wealth

$1,905,456

0.75%

141,775

Everstar Asset Management, LLC

$1,501,557

0.59%

111,723

PMG Family Office LLC

$1,348,072

0.53%

100,303

STIFEL FINANCIAL CORP

$1,342,696

0.53%

99,903

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STIFEL NICOLAUS & CO INC \MO\	99,903	$1,342,696	100.0%	Defined

Advisory Solutions Group, LLC

$1,111,729

0.44%

82,718

Janney Montgomery Scott LLC

$1,075,052

0.43%

79,989

Total Wealth Planning & Management, Inc.

$1,035,982

0.41%

77,082

FIFTH THIRD BANCORP

$1,026,238

0.41%

76,357

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fifth Third Bank, National Association	76,357	$1,026,238	100.0%	Defined

COHEN & STEERS, INC.

$1,008,000

0.40%

75,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Cohen & Steers Capital Management Inc	75,000	$1,008,000	100.0%	Sole

IHT Wealth Management, LLC

$954,938

0.38%

71,052

Boreal Capital Management LLC

$856,397

0.34%

SEI INVESTMENTS CO

$844,045

0.33%

62,801

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI INVESTMENTS MANAGEMENT CORP	62,801	$844,045	100.0%	Sole

Mutual Advisors, LLC

$815,404

0.32%

60,670

Legacy Wealth Management, LLC / MS

$740,664

0.29%

55,109

SAM Advisors, LLC

$721,405

0.29%

53,676

CAPTRUST FINANCIAL ADVISORS

$680,037

0.27%

50,598

NORTHERN TRUST CORP

$628,750

0.25%

46,782

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO	46,782	$628,750	100.0%	Defined

INDEPENDENT FINANCIAL GROUP, LLC

$609,275

0.24%

45,333

WEALTH ENHANCEMENT ADVISORY SERVICES, LLC

$522,372

0.21%

38,867

Geneos Wealth Management Inc.

$503,650

0.20%

37,474

&PARTNERS

$502,588

0.20%

37,395

KFA Private Wealth Group, LLC

$499,551

0.20%

37,169

Apollon Wealth Management, LLC

$496,298

0.20%

36,927

CreativeOne Wealth, LLC

$493,086

0.20%

36,688

Kestra Advisory Services, LLC

$493,032

0.19%

36,684

E&G Advisors, LP

$469,082

0.19%

34,902

NorthRock Partners, LLC

$468,451

0.19%

34,855

BENJAMIN EDWARDS INC

$455,118

0.18%

33,863

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BENJAMIN F. EDWARDS & COMPANY, INC.	33,863	$455,118	100.0%	Defined

CENTRAL TRUST Co

$443,184

0.18%

32,975

Arax Advisory Partners

$431,397

0.17%

32,098

Sigma Planning Corp

$419,959

0.17%

31,247

Private Advisor Group, LLC

$409,637

0.16%

30,479

PFG Investments, LLC

$400,565

0.16%

29,804

DF DENT & CO INC

$395,377

0.16%

29,418

Sanctuary Advisors, LLC

$393,872

0.16%

29,306

Patten Group, Inc.

$393,066

0.16%

29,246

Game Plan Financial Advisors, LLC

$379,680

0.15%

28,250

Mariner, LLC

$377,556

0.15%

28,092

FLAGSHIP HARBOR ADVISORS, LLC

$376,521

0.15%

28,015

Founders Financial Alliance, LLC

$375,916

0.15%

27,970

STEPHENS INC /AR/

$370,527

0.15%

27,569

PNC FINANCIAL SERVICES GROUP, INC.

$357,368

0.14%

26,590

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	26,390	$354,680	99.2%	Defined
PNC Wealth Management LLC	200	$2,688	0.8%	Defined

XTX Topco Ltd

$346,227

0.14%

25,761

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	25,761	$346,227	100.0%	Defined

DUMONT & BLAKE INVESTMENT ADVISORS LLC

$335,475

0.13%

24,961

HOLLENCREST CAPITAL MANAGEMENT

$326,497

0.13%

24,293

HighTower Advisors, LLC

$320,019

0.13%

23,811

INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC

$317,412

0.13%

23,617

Concurrent Investment Advisors, LLC

$301,808

0.12%

22,456

MML INVESTORS SERVICES, LLC

$291,029

0.12%

21,654

ENVESTNET ASSET MANAGEMENT INC

$268,477

0.11%

19,976

EP Wealth Advisors, LLC

$251,086

0.10%

18,682

WEALTH EFFECTS LLC

$248,263

0.10%

18,472

Hilltop Partners LLC

$246,019

0.10%

18,305

Sunpointe, LLC

$238,492

0.09%

17,745

WEDBUSH SECURITIES INC

$229,152

0.09%

17,050

NOVEM GROUP

$222,996

0.09%

16,592

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MPI Wealth Management	14,260	$191,654	85.9%	Defined
Held directly	2,332	$31,342	14.1%	Sole

HALBERT HARGROVE GLOBAL ADVISORS, LLC

$222,432

0.09%

16,550

Clear Trail Advisors, LLC

$217,714

0.09%

16,199

CoreCap Advisors, LLC

$211,680

0.08%

15,750

Cerity Partners LLC

$211,384

0.08%

15,728

PINNACLE ASSOCIATES LTD

$200,793

0.08%

14,940

Brookstone Capital Management

$190,014

0.08%

14,138

MONEY CONCEPTS CAPITAL CORP

$185,458

0.07%

13,799

Farther Finance Advisors, LLC

$183,321

0.07%

13,640

Beacon Pointe Advisors, LLC

$182,918

0.07%

13,610

San Luis Wealth Advisors LLC

$182,179

0.07%

13,555

Kovack Advisors, Inc.

$178,375

0.07%

13,272

Clearwave Capital, LLC

$175,526

0.07%

13,060

Carrera Capital Advisors

$174,720

0.07%

13,000

NWAM LLC

$173,523

0.07%

12,911

one8zero8, LLC

$168,672

0.07%

12,550

Palogic Value Management, L.P.

$161,280

0.06%

12,000

ProCore Advisors, LLC

$160,366

0.06%

11,932

Modern Wealth Management, LLC

$160,137

0.06%

11,915

MELFA WEALTH MANAGEMENT, INC.

$158,847

0.06%

11,819

MGO ONE SEVEN LLC

$145,246

0.06%

10,807

Key facts CIK 1171471 CUSIP 128117108 13F (30d) 35 filings 35 filers Investor relations