CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND

PublicCIK: 1171471
CHINASDAQ
Location

NAPERVILLE, IL

13F Filings

Institutional Holders

CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUNDCHI— Latest position per institution from SEC 13F filings

15

Institutional holders

14.71M

Total shares held

155.40M

Estimated value

735.65K

Avg. position size

1

BANK OF AMERICA CORP /DE/

CIK 70858

Shares

2.63M

Value

28.24M

Filed

Mar 31, 2026

2

UBS GROUP AG

CIK 1610520

Shares

2.38M

Value

25.54M

Filed

Mar 31, 2026

3

MORGAN STANLEY

CIK 895421

Shares

1.41M

Value

15.18M

Filed

Mar 31, 2026

4

WELLS FARGO & COMPANY/MN

CIK 72971

Shares

1.36M

Value

14.59M

Filed

Mar 31, 2026

5

D.A. DAVIDSON & CO.

CIK 1080107

Shares

1.10M

Value

11.78M

Filed

Mar 31, 2026

6

LPL FINANCIAL LLC

CIK 1403438

Shares

673.70K

Value

7.24M

Filed

Mar 31, 2026

7

AMERIPRISE FINANCIAL INC

CIK 820027

Shares

643.32K

Value

6.91M

Filed

Mar 31, 2026

8

GUGGENHEIM CAPITAL LLC

CIK 1283072

Shares

609.48K

Value

6.55M

Filed

Mar 31, 2026

9

BAIRD FINANCIAL GROUP, INC.

CIK 1648711

Shares

591.24K

Value

6.35M

Filed

Mar 31, 2026

10

COMMONWEALTH EQUITY SERVICES, LLC

CIK 312272

Shares

565.06K

Value

6.07M

Filed

Mar 31, 2026

11

ADVISORS ASSET MANAGEMENT, INC.

CIK 1297376

Shares

330.95K

Value

3.55M

Filed

Mar 31, 2026

12

AVANTAX ADVISORY SERVICES, INC.

CIK 1303042

Shares

320.76K

Value

3.37M

Filed

Jun 30, 2025

13

RAYMOND JAMES FINANCIAL INC

CIK 720005

Shares

301.68K

Value

3.24M

Filed

Mar 31, 2026

14

GRANGE CAPITAL, LLC

CIK 2048387

Shares

294.42K

Value

3.16M

Filed

Mar 31, 2026

15

MARATHON STRATEGIC ADVISORS, LLC

CIK 2021711

Shares

288.33K

Value

3.10M

Filed

Mar 31, 2026

16

HARBOUR INVESTMENTS, INC.

CIK 810121

Shares

275.46K

Value

2.96M

Filed

Mar 31, 2026

17

CLARAPHI ADVISORY NETWORK, LLC

CIK 1724134

Shares

261.31K

Value

261.31K

Filed

Dec 31, 2022

18

CREEKSIDE PARTNERS

CIK 2035951

Shares

229.19K

Value

2.46M

Filed

Mar 31, 2026

19

OPPENHEIMER & CO INC

CIK 822581

Shares

226.31K

Value

2.43M

Filed

Mar 31, 2026

20

OSAIC HOLDINGS, INC.

CIK 1677044

Shares

224.51K

Value

2.41M

Filed

Mar 31, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.