Security key
128117108
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT (CHI)
CUSIP: 128117108
Q1 2018 13F Holders as of 31 Mar 2018
- Security type / class
- Equity / SH BEN INT
- Total 13F shares
- 8,998,133
- Total 13F value
- $99,841,206
- Share change
- -3,148,406
- SEC-reported price per share
- $11.10
- Number of holders
- 88
- Value change
- -$35,056,827
- Number of buys
- 43
- Number of sells
- 29
Report period
Q1 2018
Institutions
88
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
UBS Group AG
Disclosed value leader
UBS Group AG
Comparable rows
0/15
Latest evidence
31 Dec 2017
13F
Highest disclosed value: $29,590,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
UBS Group AG has the largest disclosed position value at $29.59M.
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 UBS Group AG's linked filing trail.
Disclosed position value
Top 5
UBS Group AG
$29.59M
MORGAN STANLEY
$12.34M
WELLS FARGO & COMPANY/MN
$12.11M
Vident Investment Advisory, LLC
$9.5M
AMERIPRISE FINANCIAL INC
$8.37M
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 |
|---|---|---|---|---|---|
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$29,590,000
2,644,385 shares
|
— | 31 Dec 2017 |
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$12,339,000
1,102,666 shares
|
— | 31 Dec 2017 |
| WELLS FARGO & COMPANY/MN |
13F
Company
|
—
class O/S missing
|
$12,113,000
1,082,467 shares
|
— | 31 Dec 2017 |
| Vident Investment Advisory, LLC |
13F
Company
|
—
class O/S missing
|
$9,505,000
849,447 shares
|
— | 31 Dec 2017 |
| AMERIPRISE FINANCIAL INC |
13F
Company
|
—
class O/S missing
|
$8,370,000
748,920 shares
|
— | 31 Dec 2017 |
| GUGGENHEIM CAPITAL LLC |
13F
Company
|
—
class O/S missing
|
$8,215,000
734,122 shares
|
— | 31 Dec 2017 |
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 Q1 2018
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
88
Shares
8,998,133
Rows available
88
| 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 Q1 2018 vs Q1 2026 Across Filers
Q1 2026 holders
134
Q1 2018 holders
88
Holder diff
-46
| Investor | Q1 2026 Shares | Q1 2018 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2018 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend