Latest Period
Q1 2026
Security Snapshot
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT (CHI) Institutional Ownership
CUSIP: 128117108
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
134
Shares (Excl. Options)
17,978,645
Price
$10.74
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- Security type / class
- Equity / SH BEN INT
- Symbol
- CHI on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 17,978,645
- Total 13F value
- $193,126,098
- Portfolio coverage rank
- 0%
- Share change
- +451,565
- Value change
- +$4,893,443
- Number of holders
- 134
- SEC-reported price per share
- $12.57
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
1 identity field
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CHI - CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT is tracked under CUSIP 128117108.
- 134 institutions reported positions in Q1 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 144 to 134 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $185,310,212 to $193,126,098.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 134 institutions filings for Q1 2026.
Security key
128117108
Latest holder period
Q1 2026
13F holders
134
13D/G owners
0
CIK / CUSIP context first
Open Q1 2026 holders
CHI full holder history
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND SEC filings
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 128117108:
As of 31 Mar 2026, 134 institutional investors reported holding 17,978,645 shares of CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT (CHI).
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 17,978,645 | $193,126,098 | +$4,893,443 | $10.74 | 134 |
| 2025 Q4 | 17,678,430 | $185,310,212 | +$3,533,744 | $10.48 | 144 |
| 2025 Q3 | 17,070,691 | $184,146,319 | +$5,131,316 | $10.79 | 129 |
| 2025 Q2 | 16,979,241 | $178,624,693 | +$15,593,733 | $10.52 | 134 |
| 2025 Q1 | 15,493,867 | $148,591,554 | +$271,215 | $9.59 | 118 |
| 2024 Q4 | 15,424,559 | $184,135,726 | +$5,352,899 | $11.94 | 124 |
| 2024 Q3 | 14,763,906 | $171,869,534 | -$6,065,648 | $11.64 | 112 |
| 2024 Q2 | 15,157,268 | $176,428,960 | +$12,208,350 | $11.64 | 109 |
| 2024 Q1 | 14,050,533 | $159,483,568 | -$995,482 | $11.35 | 106 |
| 2023 Q4 | 14,193,414 | $147,042,279 | -$1,334,368 | $10.36 | 111 |
| 2023 Q3 | 14,102,245 | $148,633,069 | +$577,155 | $10.54 | 108 |
| 2023 Q2 | 14,015,139 | $156,968,608 | +$2,590,862 | $11.20 | 107 |
| 2023 Q1 | 13,781,998 | $144,983,759 | +$917,309 | $10.52 | 114 |
| 2022 Q4 | 13,834,422 | $145,444,759 | +$4,118,200 | $10.51 | 107 |
| 2022 Q3 | 13,371,913 | $129,391,450 | -$1,822,719 | $9.66 | 101 |
| 2022 Q2 | 13,617,851 | $146,008,611 | +$3,053,117 | $10.72 | 108 |
| 2022 Q1 | 13,165,436 | $173,801,089 | -$2,217,703 | $13.21 | 112 |
| 2021 Q4 | 13,429,228 | $202,889,847 | +$1,411,658 | $15.11 | 105 |
| 2021 Q3 | 13,339,769 | $199,726,153 | -$2,830,368 | $14.97 | 101 |
| 2021 Q2 | 13,515,913 | $205,053,679 | -$8,497,456 | $15.17 | 103 |
| 2021 Q1 | 14,098,495 | $200,608,799 | -$14,293,315 | $14.22 | 105 |
| 2020 Q4 | 14,985,975 | $203,040,880 | +$13,808,185 | $13.54 | 109 |
| 2020 Q3 | 14,036,204 | $154,556,394 | +$4,967,033 | $11.00 | 96 |
| 2020 Q2 | 13,484,717 | $143,572,181 | +$819,205 | $10.64 | 90 |
| 2020 Q1 | 13,404,853 | $111,913,659 | +$6,684,430 | $8.34 | 95 |