Security key
128117108
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT (CHI)
CUSIP: 128117108
Q4 2020 13F Holders as of 31 Dec 2020
- Security type / class
- Equity / SH BEN INT
- Total 13F shares
- 14,985,975
- Total 13F value
- $203,040,880
- Share change
- +953,208
- SEC-reported price per share
- $13.54
- Number of holders
- 109
- Value change
- +$13,808,185
- Number of buys
- 59
- Number of sells
- 29
Report period
Q4 2020
Institutions
109
Top holders
10
CHI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND SEC filings
Broader feeds
Reporting periods
Holder history for CUSIP 128117108
Recent filing periods:
Ownership snapshot
Top reported holders of CHI - CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
MORGAN STANLEY
Disclosed value leader
MORGAN STANLEY
Comparable rows
0/15
Latest evidence
30 Sep 2020
13F
Highest disclosed value: $15,025,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
MORGAN STANLEY has the largest disclosed position value at $15.02M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens MORGAN STANLEY's linked filing trail.
Disclosed position value
Top 5
MORGAN STANLEY
$15.02M
Advisors Asset Management, Inc.
$12.71M
WELLS FARGO & COMPANY/MN
$11.61M
GUGGENHEIM CAPITAL LLC
$9.88M
UBS Group AG
$9.78M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$15,025,000
1,365,868 shares
|
— | 30 Sep 2020 |
| Advisors Asset Management, Inc. |
13F
Company
|
—
class O/S missing
|
$12,712,000
1,154,626 shares
|
— | 30 Sep 2020 |
| WELLS FARGO & COMPANY/MN |
13F
Company
|
—
class O/S missing
|
$11,612,000
1,055,579 shares
|
— | 30 Sep 2020 |
| GUGGENHEIM CAPITAL LLC |
13F
Company
|
—
class O/S missing
|
$9,877,000
897,126 shares
|
— | 30 Sep 2020 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$9,781,000
889,165 shares
|
— | 30 Sep 2020 |
| BANK OF AMERICA CORP /DE/ |
13F
Company
|
—
class O/S missing
|
$9,725,000
884,042 shares
|
— | 30 Sep 2020 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
109
Shares
14,985,975
Rows available
109
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2020 vs Q1 2026 Across Filers
Q1 2026 holders
134
Q4 2020 holders
109
Holder diff
-25
| Investor | Q1 2026 Shares | Q4 2020 Shares | Share Diff | Share Chg % | Q1 2026 value | Q4 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend