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

15.57M

Total shares held

205.04M

Estimated value

778.41K

Avg. position size

1

BANK OF AMERICA CORP /DE/

CIK 70858

Shares

2.88M

Value

38.76M

Filed

Jun 30, 2026

2

UBS GROUP AG

CIK 1610520

Shares

2.57M

Value

34.60M

Filed

Jun 30, 2026

3

MORGAN STANLEY

CIK 895421

Shares

1.55M

Value

20.85M

Filed

Jun 30, 2026

4

WELLS FARGO & COMPANY/MN

CIK 72971

Shares

1.36M

Value

18.32M

Filed

Jun 30, 2026

5

D.A. DAVIDSON & CO.

CIK 1080107

Shares

1.11M

Value

14.86M

Filed

Jun 30, 2026

6

LPL FINANCIAL LLC

CIK 1403438

Shares

700.77K

Value

9.42M

Filed

Jun 30, 2026

7

GUGGENHEIM CAPITAL LLC

CIK 1283072

Shares

643.31K

Value

8.65M

Filed

Jun 30, 2026

8

AMERIPRISE FINANCIAL INC

CIK 820027

Shares

640.13K

Value

8.59M

Filed

Jun 30, 2026

9

BAIRD FINANCIAL GROUP, INC.

CIK 1648711

Shares

613.86K

Value

8.25M

Filed

Jun 30, 2026

10

COMMONWEALTH EQUITY SERVICES, LLC

CIK 312272

Shares

563.69K

Value

7.58M

Filed

Jun 30, 2026

11

ADVISORS ASSET MANAGEMENT, INC.

CIK 1297376

Shares

533.89K

Value

7.18M

Filed

Jun 30, 2026

12

AVANTAX ADVISORY SERVICES, INC.

CIK 1303042

Shares

320.76K

Value

3.37M

Filed

Jun 30, 2025

13

MARATHON STRATEGIC ADVISORS, LLC

CIK 2021711

Shares

293.82K

Value

3.95M

Filed

Jun 30, 2026

14

RAYMOND JAMES FINANCIAL INC

CIK 720005

Shares

288.92K

Value

3.88M

Filed

Jun 30, 2026

15

HARBOUR INVESTMENTS, INC.

CIK 810121

Shares

273.70K

Value

3.68M

Filed

Jun 30, 2026

16

CLARAPHI ADVISORY NETWORK, LLC

CIK 1724134

Shares

261.31K

Value

261.31K

Filed

Dec 31, 2022

17

OSAIC HOLDINGS, INC.

CIK 1677044

Shares

259.05K

Value

3.48M

Filed

Jun 30, 2026

18

CREEKSIDE PARTNERS

CIK 2035951

Shares

237.86K

Value

3.20M

Filed

Jun 30, 2026

19

OPPENHEIMER & CO INC

CIK 822581

Shares

237.34K

Value

3.19M

Filed

Jun 30, 2026

20

ROYAL BANK OF CANADA

CIK 1000275

Shares

222.05K

Value

2.98M

Filed

Jun 30, 2026

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